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-rw-r--r--builtin-diff-files.c3
-rw-r--r--builtin-diff-index.c3
-rw-r--r--builtin-diff-stages.c3
-rw-r--r--builtin-diff-tree.c3
-rw-r--r--builtin-diff.c56
-rw-r--r--builtin-log.c39
-rw-r--r--combine-diff.c68
-rw-r--r--diff.c221
-rw-r--r--diff.h28
-rw-r--r--log-tree.c23
-rw-r--r--log-tree.h2
-rw-r--r--revision.c3
-rwxr-xr-xt/t4013-diff-various.sh238
-rw-r--r--t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_master34
-rw-r--r--t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_side39
-rw-r--r--t/t4013/diff.diff-tree_--cc_--patch-with-stat_master34
-rw-r--r--t/t4013/diff.diff-tree_--cc_--stat_--summary_master6
-rw-r--r--t/t4013/diff.diff-tree_--cc_--stat_--summary_side8
-rw-r--r--t/t4013/diff.diff-tree_--cc_--stat_master6
-rw-r--r--t/t4013/diff.diff-tree_--cc_master30
-rw-r--r--t/t4013/diff.diff-tree_--patch-with-raw_initial2
-rw-r--r--t/t4013/diff.diff-tree_--patch-with-stat_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-raw_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-stat_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-raw_initial33
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-stat_initial34
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_--root_-p_initial29
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_--root_initial6
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_-p_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty=oneline_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--patch-with-raw_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--patch-with-stat_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--patch-with-stat_side43
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_--patch-with-raw_initial38
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_--patch-with-stat_initial39
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_--stat_--summary_initial15
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_--stat_initial12
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_--summary_-r_initial11
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_--summary_initial11
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_-p_initial34
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--root_initial11
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--stat_--summary_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--stat_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_--summary_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_-p_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_-p_side38
-rw-r--r--t/t4013/diff.diff-tree_--pretty_initial2
-rw-r--r--t/t4013/diff.diff-tree_--pretty_side11
-rw-r--r--t/t4013/diff.diff-tree_--root_--abbrev_initial6
-rw-r--r--t/t4013/diff.diff-tree_--root_--patch-with-raw_initial33
-rw-r--r--t/t4013/diff.diff-tree_--root_--patch-with-stat_initial34
-rw-r--r--t/t4013/diff.diff-tree_--root_-p_initial29
-rw-r--r--t/t4013/diff.diff-tree_--root_-r_--abbrev=4_initial6
-rw-r--r--t/t4013/diff.diff-tree_--root_-r_--abbrev_initial6
-rw-r--r--t/t4013/diff.diff-tree_--root_-r_initial6
-rw-r--r--t/t4013/diff.diff-tree_--root_initial6
-rw-r--r--t/t4013/diff.diff-tree_-c_--abbrev_master5
-rw-r--r--t/t4013/diff.diff-tree_-c_--stat_--summary_master6
-rw-r--r--t/t4013/diff.diff-tree_-c_--stat_--summary_side8
-rw-r--r--t/t4013/diff.diff-tree_-c_--stat_master6
-rw-r--r--t/t4013/diff.diff-tree_-c_master5
-rw-r--r--t/t4013/diff.diff-tree_-p_-m_master80
-rw-r--r--t/t4013/diff.diff-tree_-p_initial2
-rw-r--r--t/t4013/diff.diff-tree_-p_master2
-rw-r--r--t/t4013/diff.diff-tree_-r_--abbrev=4_initial2
-rw-r--r--t/t4013/diff.diff-tree_-r_--abbrev_initial2
-rw-r--r--t/t4013/diff.diff-tree_-r_initial2
-rw-r--r--t/t4013/diff.diff-tree_initial2
-rw-r--r--t/t4013/diff.diff-tree_master2
-rw-r--r--t/t4013/diff.format-patch_--attach_--stdout_initial..master165
-rw-r--r--t/t4013/diff.format-patch_--attach_--stdout_initial..master^106
-rw-r--r--t/t4013/diff.format-patch_--attach_--stdout_initial..side60
-rw-r--r--t/t4013/diff.format-patch_--stdout_initial..master120
-rw-r--r--t/t4013/diff.format-patch_--stdout_initial..master^76
-rw-r--r--t/t4013/diff.format-patch_--stdout_initial..side45
-rw-r--r--t/t4013/diff.log_--patch-with-stat_--summary_master_--_dir_72
-rw-r--r--t/t4013/diff.log_--patch-with-stat_master127
-rw-r--r--t/t4013/diff.log_--patch-with-stat_master_--_dir_72
-rw-r--r--t/t4013/diff.log_--root_--cc_--patch-with-stat_--summary_master197
-rw-r--r--t/t4013/diff.log_--root_--patch-with-stat_--summary_master165
-rw-r--r--t/t4013/diff.log_--root_--patch-with-stat_master159
-rw-r--r--t/t4013/diff.log_--root_-c_--patch-with-stat_--summary_master197
-rw-r--r--t/t4013/diff.log_--root_-p_master140
-rw-r--r--t/t4013/diff.log_--root_master32
-rw-r--r--t/t4013/diff.log_-SF_-p_master18
-rw-r--r--t/t4013/diff.log_-SF_master8
-rw-r--r--t/t4013/diff.log_-p_master113
-rw-r--r--t/t4013/diff.log_master32
-rw-r--r--t/t4013/diff.show_--patch-with-raw_side42
-rw-r--r--t/t4013/diff.show_--patch-with-stat_--summary_side44
-rw-r--r--t/t4013/diff.show_--patch-with-stat_side43
-rw-r--r--t/t4013/diff.show_--root_initial34
-rw-r--r--t/t4013/diff.show_--stat_--summary_side13
-rw-r--r--t/t4013/diff.show_--stat_side12
-rw-r--r--t/t4013/diff.show_initial7
-rw-r--r--t/t4013/diff.show_master36
-rw-r--r--t/t4013/diff.show_side38
-rw-r--r--t/t4013/diff.whatchanged_--patch-with-stat_--summary_master_--_dir_59
-rw-r--r--t/t4013/diff.whatchanged_--patch-with-stat_master114
-rw-r--r--t/t4013/diff.whatchanged_--patch-with-stat_master_--_dir_59
-rw-r--r--t/t4013/diff.whatchanged_--root_--cc_--patch-with-stat_--summary_master197
-rw-r--r--t/t4013/diff.whatchanged_--root_--patch-with-stat_--summary_master158
-rw-r--r--t/t4013/diff.whatchanged_--root_--patch-with-stat_master152
-rw-r--r--t/t4013/diff.whatchanged_--root_-c_--patch-with-stat_--summary_master197
-rw-r--r--t/t4013/diff.whatchanged_--root_-p_master133
-rw-r--r--t/t4013/diff.whatchanged_--root_master40
-rw-r--r--t/t4013/diff.whatchanged_-SF_-p_master18
-rw-r--r--t/t4013/diff.whatchanged_-SF_master9
-rw-r--r--t/t4013/diff.whatchanged_-p_master100
-rw-r--r--t/t4013/diff.whatchanged_master30
110 files changed, 4722 insertions, 205 deletions
diff --git a/builtin-diff-files.c b/builtin-diff-files.c
index 5afc1d7208..a655eea91e 100644
--- a/builtin-diff-files.c
+++ b/builtin-diff-files.c
@@ -36,6 +36,9 @@ int cmd_diff_files(int argc, const char **argv, char **envp)
usage(diff_files_usage);
argv++; argc--;
}
+ if (!rev.diffopt.output_format)
+ rev.diffopt.output_format = DIFF_FORMAT_RAW;
+
/*
* Make sure there are NO revision (i.e. pending object) parameter,
* rev.max_count is reasonable (0 <= n <= 3),
diff --git a/builtin-diff-index.c b/builtin-diff-index.c
index c42ef9a7a7..b37c9e8ccb 100644
--- a/builtin-diff-index.c
+++ b/builtin-diff-index.c
@@ -28,6 +28,9 @@ int cmd_diff_index(int argc, const char **argv, char **envp)
else
usage(diff_cache_usage);
}
+ if (!rev.diffopt.output_format)
+ rev.diffopt.output_format = DIFF_FORMAT_RAW;
+
/*
* Make sure there is one revision (i.e. pending object),
* and there is no revision filtering parameters.
diff --git a/builtin-diff-stages.c b/builtin-diff-stages.c
index 7c157ca889..30931fe049 100644
--- a/builtin-diff-stages.c
+++ b/builtin-diff-stages.c
@@ -85,6 +85,9 @@ int cmd_diff_stages(int ac, const char **av, char **envp)
ac--; av++;
}
+ if (!diff_options.output_format)
+ diff_options.output_format = DIFF_FORMAT_RAW;
+
if (ac < 3 ||
sscanf(av[1], "%d", &stage1) != 1 ||
! (0 <= stage1 && stage1 <= 3) ||
diff --git a/builtin-diff-tree.c b/builtin-diff-tree.c
index 3409a39a9f..ae1cde9d00 100644
--- a/builtin-diff-tree.c
+++ b/builtin-diff-tree.c
@@ -84,6 +84,9 @@ int cmd_diff_tree(int argc, const char **argv, char **envp)
usage(diff_tree_usage);
}
+ if (!opt->diffopt.output_format)
+ opt->diffopt.output_format = DIFF_FORMAT_RAW;
+
/*
* NOTE! We expect "a ^b" to be equal to "a..b", so we
* reverse the order of the objects if the second one
diff --git a/builtin-diff.c b/builtin-diff.c
index 99a2f76605..d520c7ca29 100644
--- a/builtin-diff.c
+++ b/builtin-diff.c
@@ -39,8 +39,6 @@ static int builtin_diff_files(struct rev_info *revs,
revs->max_count = 3;
else if (!strcmp(arg, "-q"))
silent = 1;
- else if (!strcmp(arg, "--raw"))
- revs->diffopt.output_format = DIFF_FORMAT_RAW;
else
usage(builtin_diff_usage);
argv++; argc--;
@@ -56,7 +54,7 @@ static int builtin_diff_files(struct rev_info *revs,
3 < revs->max_count)
usage(builtin_diff_usage);
if (revs->max_count < 0 &&
- (revs->diffopt.output_format == DIFF_FORMAT_PATCH))
+ (revs->diffopt.output_format & DIFF_FORMAT_PATCH))
revs->combine_merges = revs->dense_combined_merges = 1;
/*
* Backward compatibility wart - "diff-files -s" used to
@@ -107,14 +105,9 @@ static int builtin_diff_b_f(struct rev_info *revs,
/* Blob vs file in the working tree*/
struct stat st;
- while (1 < argc) {
- const char *arg = argv[1];
- if (!strcmp(arg, "--raw"))
- revs->diffopt.output_format = DIFF_FORMAT_RAW;
- else
- usage(builtin_diff_usage);
- argv++; argc--;
- }
+ if (argc > 1)
+ usage(builtin_diff_usage);
+
if (lstat(path, &st))
die("'%s': %s", path, strerror(errno));
if (!(S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)))
@@ -137,14 +130,9 @@ static int builtin_diff_blobs(struct rev_info *revs,
*/
unsigned mode = canon_mode(S_IFREG | 0644);
- while (1 < argc) {
- const char *arg = argv[1];
- if (!strcmp(arg, "--raw"))
- revs->diffopt.output_format = DIFF_FORMAT_RAW;
- else
- usage(builtin_diff_usage);
- argv++; argc--;
- }
+ if (argc > 1)
+ usage(builtin_diff_usage);
+
stuff_change(&revs->diffopt,
mode, mode,
blob[1].sha1, blob[0].sha1,
@@ -162,8 +150,6 @@ static int builtin_diff_index(struct rev_info *revs,
const char *arg = argv[1];
if (!strcmp(arg, "--cached"))
cached = 1;
- else if (!strcmp(arg, "--raw"))
- revs->diffopt.output_format = DIFF_FORMAT_RAW;
else
usage(builtin_diff_usage);
argv++; argc--;
@@ -185,14 +171,9 @@ static int builtin_diff_tree(struct rev_info *revs,
{
const unsigned char *(sha1[2]);
int swap = 0;
- while (1 < argc) {
- const char *arg = argv[1];
- if (!strcmp(arg, "--raw"))
- revs->diffopt.output_format = DIFF_FORMAT_RAW;
- else
- usage(builtin_diff_usage);
- argv++; argc--;
- }
+
+ if (argc > 1)
+ usage(builtin_diff_usage);
/* We saw two trees, ent[0] and ent[1].
* if ent[1] is unintesting, they are swapped
@@ -214,14 +195,9 @@ static int builtin_diff_combined(struct rev_info *revs,
const unsigned char (*parent)[20];
int i;
- while (1 < argc) {
- const char *arg = argv[1];
- if (!strcmp(arg, "--raw"))
- revs->diffopt.output_format = DIFF_FORMAT_RAW;
- else
- usage(builtin_diff_usage);
- argv++; argc--;
- }
+ if (argc > 1)
+ usage(builtin_diff_usage);
+
if (!revs->dense_combined_merges && !revs->combine_merges)
revs->dense_combined_merges = revs->combine_merges = 1;
parent = xmalloc(ents * sizeof(*parent));
@@ -276,9 +252,13 @@ int cmd_diff(int argc, const char **argv, char **envp)
git_config(git_diff_config);
init_revisions(&rev);
- rev.diffopt.output_format = DIFF_FORMAT_PATCH;
argc = setup_revisions(argc, argv, &rev, NULL);
+ if (!rev.diffopt.output_format) {
+ rev.diffopt.output_format = DIFF_FORMAT_PATCH;
+ diff_setup_done(&rev.diffopt);
+ }
+
/* Do we have --cached and not have a pending object, then
* default to HEAD by hand. Eek.
*/
diff --git a/builtin-log.c b/builtin-log.c
index f9515a8a4a..864c6cd9ea 100644
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -14,25 +14,22 @@
/* this is in builtin-diff.c */
void add_head(struct rev_info *revs);
-static int cmd_log_wc(int argc, const char **argv, char **envp,
+static void cmd_log_init(int argc, const char **argv, char **envp,
struct rev_info *rev)
{
- struct commit *commit;
-
rev->abbrev = DEFAULT_ABBREV;
rev->commit_format = CMIT_FMT_DEFAULT;
rev->verbose_header = 1;
argc = setup_revisions(argc, argv, rev, "HEAD");
- if (rev->always_show_header) {
- if (rev->diffopt.pickaxe || rev->diffopt.filter) {
- rev->always_show_header = 0;
- if (rev->diffopt.output_format == DIFF_FORMAT_RAW)
- rev->diffopt.output_format = DIFF_FORMAT_NO_OUTPUT;
- }
- }
-
+ if (rev->diffopt.pickaxe || rev->diffopt.filter)
+ rev->always_show_header = 0;
if (argc > 1)
die("unrecognized argument: %s", argv[1]);
+}
+
+static int cmd_log_walk(struct rev_info *rev)
+{
+ struct commit *commit;
prepare_revision_walk(rev);
setup_pager();
@@ -54,7 +51,10 @@ int cmd_whatchanged(int argc, const char **argv, char **envp)
rev.diff = 1;
rev.diffopt.recursive = 1;
rev.simplify_history = 0;
- return cmd_log_wc(argc, argv, envp, &rev);
+ cmd_log_init(argc, argv, envp, &rev);
+ if (!rev.diffopt.output_format)
+ rev.diffopt.output_format = DIFF_FORMAT_RAW;
+ return cmd_log_walk(&rev);
}
int cmd_show(int argc, const char **argv, char **envp)
@@ -69,7 +69,8 @@ int cmd_show(int argc, const char **argv, char **envp)
rev.always_show_header = 1;
rev.ignore_merges = 0;
rev.no_walk = 1;
- return cmd_log_wc(argc, argv, envp, &rev);
+ cmd_log_init(argc, argv, envp, &rev);
+ return cmd_log_walk(&rev);
}
int cmd_log(int argc, const char **argv, char **envp)
@@ -78,8 +79,8 @@ int cmd_log(int argc, const char **argv, char **envp)
init_revisions(&rev);
rev.always_show_header = 1;
- rev.diffopt.recursive = 1;
- return cmd_log_wc(argc, argv, envp, &rev);
+ cmd_log_init(argc, argv, envp, &rev);
+ return cmd_log_walk(&rev);
}
static int istitlechar(char c)
@@ -237,11 +238,10 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
rev.commit_format = CMIT_FMT_EMAIL;
rev.verbose_header = 1;
rev.diff = 1;
- rev.diffopt.with_raw = 0;
- rev.diffopt.with_stat = 1;
rev.combine_merges = 0;
rev.ignore_merges = 1;
- rev.diffopt.output_format = DIFF_FORMAT_PATCH;
+ rev.diffopt.msg_sep = "";
+ rev.diffopt.recursive = 1;
git_config(git_format_config);
rev.extra_headers = extra_headers;
@@ -312,6 +312,9 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
if (argc > 1)
die ("unrecognized argument: %s", argv[1]);
+ if (!rev.diffopt.output_format)
+ rev.diffopt.output_format = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_PATCH;
+
if (output_directory) {
if (use_stdout)
die("standard output, or directory, which one?");
diff --git a/combine-diff.c b/combine-diff.c
index 22542217ee..caffb926ea 100644
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -702,7 +702,7 @@ static int show_patch_diff(struct combine_diff_path *elem, int num_parent,
const char *abb;
if (rev->loginfo)
- show_log(rev, rev->loginfo, "\n");
+ show_log(rev, opt->msg_sep);
dump_quoted_path(dense ? "diff --cc " : "diff --combined ", elem->path);
printf("index ");
for (i = 0; i < num_parent; i++) {
@@ -770,9 +770,9 @@ static void show_raw_diff(struct combine_diff_path *p, int num_parent, struct re
inter_name_termination = 0;
if (rev->loginfo)
- show_log(rev, rev->loginfo, "\n");
+ show_log(rev, opt->msg_sep);
- if (opt->output_format == DIFF_FORMAT_RAW) {
+ if (opt->output_format & DIFF_FORMAT_RAW) {
offset = strlen(COLONS) - num_parent;
if (offset < 0)
offset = 0;
@@ -792,8 +792,7 @@ static void show_raw_diff(struct combine_diff_path *p, int num_parent, struct re
printf(" %s ", diff_unique_abbrev(p->sha1, opt->abbrev));
}
- if (opt->output_format == DIFF_FORMAT_RAW ||
- opt->output_format == DIFF_FORMAT_NAME_STATUS) {
+ if (opt->output_format & (DIFF_FORMAT_RAW | DIFF_FORMAT_NAME_STATUS)) {
for (i = 0; i < num_parent; i++)
putchar(p->parent[i].status);
putchar(inter_name_termination);
@@ -819,17 +818,12 @@ void show_combined_diff(struct combine_diff_path *p,
struct diff_options *opt = &rev->diffopt;
if (!p->len)
return;
- switch (opt->output_format) {
- case DIFF_FORMAT_RAW:
- case DIFF_FORMAT_NAME_STATUS:
- case DIFF_FORMAT_NAME:
+ if (opt->output_format & (DIFF_FORMAT_RAW |
+ DIFF_FORMAT_NAME |
+ DIFF_FORMAT_NAME_STATUS)) {
show_raw_diff(p, num_parent, rev);
- return;
- case DIFF_FORMAT_PATCH:
+ } else if (opt->output_format & DIFF_FORMAT_PATCH) {
show_patch_diff(p, num_parent, dense, rev);
- return;
- default:
- return;
}
}
@@ -842,22 +836,20 @@ void diff_tree_combined(const unsigned char *sha1,
struct diff_options *opt = &rev->diffopt;
struct diff_options diffopts;
struct combine_diff_path *p, *paths = NULL;
- int i, num_paths;
- int do_diffstat;
+ int i, num_paths, needsep, show_log_first;
- do_diffstat = (opt->output_format == DIFF_FORMAT_DIFFSTAT ||
- opt->with_stat);
diffopts = *opt;
- diffopts.with_raw = 0;
- diffopts.with_stat = 0;
+ diffopts.output_format = DIFF_FORMAT_NO_OUTPUT;
diffopts.recursive = 1;
+ show_log_first = !!rev->loginfo;
+ needsep = 0;
/* find set of paths that everybody touches */
for (i = 0; i < num_parent; i++) {
/* show stat against the first parent even
* when doing combined diff.
*/
- if (i == 0 && do_diffstat)
+ if (i == 0 && opt->output_format & DIFF_FORMAT_DIFFSTAT)
diffopts.output_format = DIFF_FORMAT_DIFFSTAT;
else
diffopts.output_format = DIFF_FORMAT_NO_OUTPUT;
@@ -865,12 +857,12 @@ void diff_tree_combined(const unsigned char *sha1,
diffcore_std(&diffopts);
paths = intersect_paths(paths, i, num_parent);
- if (do_diffstat && rev->loginfo)
- show_log(rev, rev->loginfo,
- opt->with_stat ? "---\n" : "\n");
+ if (show_log_first && i == 0) {
+ show_log(rev, opt->msg_sep);
+ if (rev->verbose_header && opt->output_format)
+ putchar(opt->line_termination);
+ }
diff_flush(&diffopts);
- if (opt->with_stat)
- putchar('\n');
}
/* find out surviving paths */
@@ -879,17 +871,25 @@ void diff_tree_combined(const unsigned char *sha1,
num_paths++;
}
if (num_paths) {
- if (opt->with_raw) {
- int saved_format = opt->output_format;
- opt->output_format = DIFF_FORMAT_RAW;
+ if (opt->output_format & (DIFF_FORMAT_RAW |
+ DIFF_FORMAT_NAME |
+ DIFF_FORMAT_NAME_STATUS)) {
for (p = paths; p; p = p->next) {
- show_combined_diff(p, num_parent, dense, rev);
+ if (p->len)
+ show_raw_diff(p, num_parent, rev);
}
- opt->output_format = saved_format;
- putchar(opt->line_termination);
+ needsep = 1;
}
- for (p = paths; p; p = p->next) {
- show_combined_diff(p, num_parent, dense, rev);
+ else if (opt->output_format & DIFF_FORMAT_DIFFSTAT)
+ needsep = 1;
+ if (opt->output_format & DIFF_FORMAT_PATCH) {
+ if (needsep)
+ putchar(opt->line_termination);
+ for (p = paths; p; p = p->next) {
+ if (p->len)
+ show_patch_diff(p, num_parent, dense,
+ rev);
+ }
}
}
diff --git a/diff.c b/diff.c
index 428ff786eb..507e4019e8 100644
--- a/diff.c
+++ b/diff.c
@@ -1420,11 +1420,11 @@ static void run_checkdiff(struct diff_filepair *p, struct diff_options *o)
void diff_setup(struct diff_options *options)
{
memset(options, 0, sizeof(*options));
- options->output_format = DIFF_FORMAT_RAW;
options->line_termination = '\n';
options->break_opt = -1;
options->rename_limit = -1;
options->context = 3;
+ options->msg_sep = "";
options->change = diff_change;
options->add_remove = diff_addremove;
@@ -1438,22 +1438,28 @@ int diff_setup_done(struct diff_options *options)
(0 <= options->rename_limit && !options->detect_rename))
return -1;
+ if (options->output_format & (DIFF_FORMAT_NAME |
+ DIFF_FORMAT_NAME_STATUS |
+ DIFF_FORMAT_CHECKDIFF |
+ DIFF_FORMAT_NO_OUTPUT))
+ options->output_format &= ~(DIFF_FORMAT_RAW |
+ DIFF_FORMAT_DIFFSTAT |
+ DIFF_FORMAT_SUMMARY |
+ DIFF_FORMAT_PATCH);
+
/*
* These cases always need recursive; we do not drop caller-supplied
* recursive bits for other formats here.
*/
- if ((options->output_format == DIFF_FORMAT_PATCH) ||
- (options->output_format == DIFF_FORMAT_DIFFSTAT) ||
- (options->output_format == DIFF_FORMAT_CHECKDIFF))
+ if (options->output_format & (DIFF_FORMAT_PATCH |
+ DIFF_FORMAT_DIFFSTAT |
+ DIFF_FORMAT_CHECKDIFF))
options->recursive = 1;
-
/*
- * These combinations do not make sense.
+ * Also pickaxe would not work very well if you do not say recursive
*/
- if (options->output_format == DIFF_FORMAT_RAW)
- options->with_raw = 0;
- if (options->output_format == DIFF_FORMAT_DIFFSTAT)
- options->with_stat = 0;
+ if (options->pickaxe)
+ options->recursive = 1;
if (options->detect_rename && options->rename_limit < 0)
options->rename_limit = diff_rename_limit_default;
@@ -1526,22 +1532,22 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
{
const char *arg = av[0];
if (!strcmp(arg, "-p") || !strcmp(arg, "-u"))
- options->output_format = DIFF_FORMAT_PATCH;
+ options->output_format |= DIFF_FORMAT_PATCH;
else if (opt_arg(arg, 'U', "unified", &options->context))
- options->output_format = DIFF_FORMAT_PATCH;
+ options->output_format |= DIFF_FORMAT_PATCH;
+ else if (!strcmp(arg, "--raw"))
+ options->output_format |= DIFF_FORMAT_RAW;
else if (!strcmp(arg, "--patch-with-raw")) {
- options->output_format = DIFF_FORMAT_PATCH;
- options->with_raw = 1;
+ options->output_format |= DIFF_FORMAT_PATCH | DIFF_FORMAT_RAW;
}
else if (!strcmp(arg, "--stat"))
- options->output_format = DIFF_FORMAT_DIFFSTAT;
+ options->output_format |= DIFF_FORMAT_DIFFSTAT;
else if (!strcmp(arg, "--check"))
- options->output_format = DIFF_FORMAT_CHECKDIFF;
+ options->output_format |= DIFF_FORMAT_CHECKDIFF;
else if (!strcmp(arg, "--summary"))
- options->summary = 1;
+ options->output_format |= DIFF_FORMAT_SUMMARY;
else if (!strcmp(arg, "--patch-with-stat")) {
- options->output_format = DIFF_FORMAT_PATCH;
- options->with_stat = 1;
+ options->output_format |= DIFF_FORMAT_PATCH | DIFF_FORMAT_DIFFSTAT;
}
else if (!strcmp(arg, "-z"))
options->line_termination = 0;
@@ -1550,19 +1556,20 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
else if (!strcmp(arg, "--full-index"))
options->full_index = 1;
else if (!strcmp(arg, "--binary")) {
- options->output_format = DIFF_FORMAT_PATCH;
+ options->output_format |= DIFF_FORMAT_PATCH;
options->full_index = options->binary = 1;
}
else if (!strcmp(arg, "--name-only"))
- options->output_format = DIFF_FORMAT_NAME;
+ options->output_format |= DIFF_FORMAT_NAME;
else if (!strcmp(arg, "--name-status"))
- options->output_format = DIFF_FORMAT_NAME_STATUS;
+ options->output_format |= DIFF_FORMAT_NAME_STATUS;
else if (!strcmp(arg, "-R"))
options->reverse_diff = 1;
else if (!strncmp(arg, "-S", 2))
options->pickaxe = arg + 2;
- else if (!strcmp(arg, "-s"))
- options->output_format = DIFF_FORMAT_NO_OUTPUT;
+ else if (!strcmp(arg, "-s")) {
+ options->output_format |= DIFF_FORMAT_NO_OUTPUT;
+ }
else if (!strncmp(arg, "-O", 2))
options->orderfile = arg + 2;
else if (!strncmp(arg, "--diff-filter=", 14))
@@ -1737,15 +1744,17 @@ const char *diff_unique_abbrev(const unsigned char *sha1, int len)
}
static void diff_flush_raw(struct diff_filepair *p,
- int line_termination,
- int inter_name_termination,
- struct diff_options *options,
- int output_format)
+ struct diff_options *options)
{
int two_paths;
char status[10];
int abbrev = options->abbrev;
const char *path_one, *path_two;
+ int inter_name_termination = '\t';
+ int line_termination = options->line_termination;
+
+ if (!line_termination)
+ inter_name_termination = 0;
path_one = p->one->path;
path_two = p->two->path;
@@ -1774,7 +1783,7 @@ static void diff_flush_raw(struct diff_filepair *p,
two_paths = 0;
break;
}
- if (output_format != DIFF_FORMAT_NAME_STATUS) {
+ if (!(options->output_format & DIFF_FORMAT_NAME_STATUS)) {
printf(":%06o %06o %s ",
p->one->mode, p->two->mode,
diff_unique_abbrev(p->one->sha1, abbrev));
@@ -1983,48 +1992,30 @@ static void diff_resolve_rename_copy(void)
diff_debug_queue("resolve-rename-copy done", q);
}
-static void flush_one_pair(struct diff_filepair *p,
- int diff_output_format,
- struct diff_options *options,
- struct diffstat_t *diffstat)
+static int check_pair_status(struct diff_filepair *p)
{
- int inter_name_termination = '\t';
- int line_termination = options->line_termination;
- if (!line_termination)
- inter_name_termination = 0;
-
switch (p->status) {
case DIFF_STATUS_UNKNOWN:
- break;
+ return 0;
case 0:
die("internal error in diff-resolve-rename-copy");
- break;
default:
- switch (diff_output_format) {
- case DIFF_FORMAT_DIFFSTAT:
- diff_flush_stat(p, options, diffstat);
- break;
- case DIFF_FORMAT_CHECKDIFF:
- diff_flush_checkdiff(p, options);
- break;
- case DIFF_FORMAT_PATCH:
- diff_flush_patch(p, options);
- break;
- case DIFF_FORMAT_RAW:
- case DIFF_FORMAT_NAME_STATUS:
- diff_flush_raw(p, line_termination,
- inter_name_termination,
- options, diff_output_format);
- break;
- case DIFF_FORMAT_NAME:
- diff_flush_name(p, line_termination);
- break;
- case DIFF_FORMAT_NO_OUTPUT:
- break;
- }
+ return 1;
}
}
+static void flush_one_pair(struct diff_filepair *p, struct diff_options *opt)
+{
+ int fmt = opt->output_format;
+
+ if (fmt & DIFF_FORMAT_CHECKDIFF)
+ diff_flush_checkdiff(p, opt);
+ else if (fmt & (DIFF_FORMAT_RAW | DIFF_FORMAT_NAME_STATUS))
+ diff_flush_raw(p, opt);
+ else if (fmt & DIFF_FORMAT_NAME)
+ diff_flush_name(p, opt->line_termination);
+}
+
static void show_file_mode_name(const char *newdelete, struct diff_filespec *fs)
{
if (fs->mode)
@@ -2243,58 +2234,96 @@ int diff_flush_patch_id(struct diff_options *options, unsigned char *sha1)
return result;
}
-void diff_flush(struct diff_options *options)
+static int is_summary_empty(const struct diff_queue_struct *q)
{
- struct diff_queue_struct *q = &diff_queued_diff;
int i;
- int diff_output_format = options->output_format;
- struct diffstat_t *diffstat = NULL;
- if (diff_output_format == DIFF_FORMAT_DIFFSTAT || options->with_stat) {
- diffstat = xcalloc(sizeof (struct diffstat_t), 1);
- diffstat->xm.consume = diffstat_consume;
+ for (i = 0; i < q->nr; i++) {
+ const struct diff_filepair *p = q->queue[i];
+
+ switch (p->status) {
+ case DIFF_STATUS_DELETED:
+ case DIFF_STATUS_ADDED:
+ case DIFF_STATUS_COPIED:
+ case DIFF_STATUS_RENAMED:
+ return 0;
+ default:
+ if (p->score)
+ return 0;
+ if (p->one->mode && p->two->mode &&
+ p->one->mode != p->two->mode)
+ return 0;
+ break;
+ }
}
+ return 1;
+}
- if (options->with_raw) {
+void diff_flush(struct diff_options *options)
+{
+ struct diff_queue_struct *q = &diff_queued_diff;
+ int i, output_format = options->output_format;
+ int separator = 0;
+
+ /*
+ * Order: raw, stat, summary, patch
+ * or: name/name-status/checkdiff (other bits clear)
+ */
+ if (!q->nr)
+ goto free_queue;
+
+ if (output_format & (DIFF_FORMAT_RAW |
+ DIFF_FORMAT_NAME |
+ DIFF_FORMAT_NAME_STATUS |
+ DIFF_FORMAT_CHECKDIFF)) {
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
- flush_one_pair(p, DIFF_FORMAT_RAW, options, NULL);
+ if (check_pair_status(p))
+ flush_one_pair(p, options);
}
- putchar(options->line_termination);
+ separator++;
}
- if (options->with_stat) {
+
+ if (output_format & DIFF_FORMAT_DIFFSTAT) {
+ struct diffstat_t diffstat;
+
+ memset(&diffstat, 0, sizeof(struct diffstat_t));
+ diffstat.xm.consume = diffstat_consume;
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
- flush_one_pair(p, DIFF_FORMAT_DIFFSTAT, options,
- diffstat);
+ if (check_pair_status(p))
+ diff_flush_stat(p, options, &diffstat);
}
- show_stats(diffstat);
- free(diffstat);
- diffstat = NULL;
- if (options->summary)
- for (i = 0; i < q->nr; i++)
- diff_summary(q->queue[i]);
- if (options->stat_sep)
- fputs(options->stat_sep, stdout);
- else
- putchar(options->line_termination);
- }
- for (i = 0; i < q->nr; i++) {
- struct diff_filepair *p = q->queue[i];
- flush_one_pair(p, diff_output_format, options, diffstat);
+ show_stats(&diffstat);
+ separator++;
}
- if (diffstat) {
- show_stats(diffstat);
- free(diffstat);
+ if (output_format & DIFF_FORMAT_SUMMARY && !is_summary_empty(q)) {
+ for (i = 0; i < q->nr; i++)
+ diff_summary(q->queue[i]);
+ separator++;
}
- for (i = 0; i < q->nr; i++) {
- if (diffstat && options->summary)
- diff_summary(q->queue[i]);
- diff_free_filepair(q->queue[i]);
+ if (output_format & DIFF_FORMAT_PATCH) {
+ if (separator) {
+ if (options->stat_sep) {
+ /* attach patch instead of inline */
+ fputs(options->stat_sep, stdout);
+ } else {
+ putchar(options->line_termination);
+ }
+ }
+
+ for (i = 0; i < q->nr; i++) {
+ struct diff_filepair *p = q->queue[i];
+ if (check_pair_status(p))
+ diff_flush_patch(p, options);
+ }
}
+ for (i = 0; i < q->nr; i++)
+ diff_free_filepair(q->queue[i]);
+free_queue:
free(q->queue);
q->queue = NULL;
q->nr = q->alloc = 0;
diff --git a/diff.h b/diff.h
index d5068af7d1..d5573947b3 100644
--- a/diff.h
+++ b/diff.h
@@ -20,19 +20,31 @@ typedef void (*add_remove_fn_t)(struct diff_options *options,
const unsigned char *sha1,
const char *base, const char *path);
+#define DIFF_FORMAT_RAW 0x0001
+#define DIFF_FORMAT_DIFFSTAT 0x0002
+#define DIFF_FORMAT_SUMMARY 0x0004
+#define DIFF_FORMAT_PATCH 0x0008
+
+/* These override all above */
+#define DIFF_FORMAT_NAME 0x0010
+#define DIFF_FORMAT_NAME_STATUS 0x0020
+#define DIFF_FORMAT_CHECKDIFF 0x0040
+
+/* Same as output_format = 0 but we know that -s flag was given
+ * and we should not give default value to output_format.
+ */
+#define DIFF_FORMAT_NO_OUTPUT 0x0080
+
struct diff_options {
const char *filter;
const char *orderfile;
const char *pickaxe;
unsigned recursive:1,
- with_raw:1,
- with_stat:1,
tree_in_recursive:1,
binary:1,
full_index:1,
silent_on_remove:1,
find_copies_harder:1,
- summary:1,
color_diff:1;
int context;
int break_opt;
@@ -45,6 +57,7 @@ struct diff_options {
int rename_limit;
int setup;
int abbrev;
+ const char *msg_sep;
const char *stat_sep;
long xdl_opts;
@@ -151,15 +164,6 @@ extern void diffcore_std_no_resolve(struct diff_options *);
" show all files diff when -S is used and hit is found.\n"
extern int diff_queue_is_empty(void);
-
-#define DIFF_FORMAT_RAW 1
-#define DIFF_FORMAT_PATCH 2
-#define DIFF_FORMAT_NO_OUTPUT 3
-#define DIFF_FORMAT_NAME 4
-#define DIFF_FORMAT_NAME_STATUS 5
-#define DIFF_FORMAT_DIFFSTAT 6
-#define DIFF_FORMAT_CHECKDIFF 7
-
extern void diff_flush(struct diff_options*);
/* diff-raw status letters */
diff --git a/log-tree.c b/log-tree.c
index ebb49f2970..9d8d46fa00 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -43,9 +43,10 @@ static int append_signoff(char *buf, int buf_sz, int at, const char *signoff)
return at;
}
-void show_log(struct rev_info *opt, struct log_info *log, const char *sep)
+void show_log(struct rev_info *opt, const char *sep)
{
static char this_header[16384];
+ struct log_info *log = opt->loginfo;
struct commit *commit = log->commit, *parent = log->parent;
int abbrev = opt->diffopt.abbrev;
int abbrev_commit = opt->abbrev_commit ? opt->abbrev : 40;
@@ -163,8 +164,22 @@ int log_tree_diff_flush(struct rev_info *opt)
return 0;
}
- if (opt->loginfo && !opt->no_commit_id)
- show_log(opt, opt->loginfo, opt->diffopt.with_stat ? "---\n" : "\n");
+ if (opt->loginfo && !opt->no_commit_id) {
+ /* When showing a verbose header (i.e. log message),
+ * and not in --pretty=oneline format, we would want
+ * an extra newline between the end of log and the
+ * output for readability.
+ */
+ show_log(opt, opt->diffopt.msg_sep);
+ if (opt->verbose_header &&
+ opt->commit_format != CMIT_FMT_ONELINE) {
+ int pch = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_PATCH;
+ if ((pch & opt->diffopt.output_format) == pch)
+ printf("---%c", opt->diffopt.line_termination);
+ else
+ putchar(opt->diffopt.line_termination);
+ }
+ }
diff_flush(&opt->diffopt);
return 1;
}
@@ -261,7 +276,7 @@ int log_tree_commit(struct rev_info *opt, struct commit *commit)
shown = log_tree_diff(opt, commit, &log);
if (!shown && opt->loginfo && opt->always_show_header) {
log.parent = NULL;
- show_log(opt, opt->loginfo, "");
+ show_log(opt, "");
shown = 1;
}
opt->loginfo = NULL;
diff --git a/log-tree.h b/log-tree.h
index a26e4841ff..e82b56a20d 100644
--- a/log-tree.h
+++ b/log-tree.h
@@ -11,6 +11,6 @@ void init_log_tree_opt(struct rev_info *);
int log_tree_diff_flush(struct rev_info *);
int log_tree_commit(struct rev_info *, struct commit *);
int log_tree_opt_parse(struct rev_info *, const char **, int);
-void show_log(struct rev_info *opt, struct log_info *log, const char *sep);
+void show_log(struct rev_info *opt, const char *sep);
#endif
diff --git a/revision.c b/revision.c
index 880fb7bb30..ab89c22417 100644
--- a/revision.c
+++ b/revision.c
@@ -852,8 +852,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
}
if (revs->combine_merges) {
revs->ignore_merges = 0;
- if (revs->dense_combined_merges &&
- (revs->diffopt.output_format != DIFF_FORMAT_DIFFSTAT))
+ if (revs->dense_combined_merges && !revs->diffopt.output_format)
revs->diffopt.output_format = DIFF_FORMAT_PATCH;
}
revs->diffopt.abbrev = revs->abbrev;
diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
new file mode 100755
index 0000000000..026832761f
--- /dev/null
+++ b/t/t4013-diff-various.sh
@@ -0,0 +1,238 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 Junio C Hamano
+#
+
+test_description='Various diff formatting options'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+
+ GIT_AUTHOR_DATE="2006-06-26 00:00:00 +0000" &&
+ GIT_COMMITTER_DATE="2006-06-26 00:00:00 +0000" &&
+ export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
+
+ mkdir dir &&
+ for i in 1 2 3; do echo $i; done >file0 &&
+ for i in A B; do echo $i; done >dir/sub &&
+ cat file0 >file2 &&
+ git add file0 file2 dir/sub &&
+ git commit -m Initial &&
+
+ git branch initial &&
+ git branch side &&
+
+ GIT_AUTHOR_DATE="2006-06-26 00:01:00 +0000" &&
+ GIT_COMMITTER_DATE="2006-06-26 00:01:00 +0000" &&
+ export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
+
+ for i in 4 5 6; do echo $i; done >>file0 &&
+ for i in C D; do echo $i; done >>dir/sub &&
+ rm -f file2 &&
+ git update-index --remove file0 file2 dir/sub &&
+ git commit -m Second &&
+
+ GIT_AUTHOR_DATE="2006-06-26 00:02:00 +0000" &&
+ GIT_COMMITTER_DATE="2006-06-26 00:02:00 +0000" &&
+ export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
+
+ for i in A B C; do echo $i; done >file1 &&
+ git add file1 &&
+ for i in E F; do echo $i; done >>dir/sub &&
+ git update-index dir/sub &&
+ git commit -m Third &&
+
+ GIT_AUTHOR_DATE="2006-06-26 00:03:00 +0000" &&
+ GIT_COMMITTER_DATE="2006-06-26 00:03:00 +0000" &&
+ export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
+
+ git checkout side &&
+ for i in A B C; do echo $i; done >>file0 &&
+ for i in 1 2; do echo $i; done >>dir/sub &&
+ cat dir/sub >file3 &&
+ git add file3 &&
+ git update-index file0 dir/sub &&
+ git commit -m Side &&
+
+ GIT_AUTHOR_DATE="2006-06-26 00:04:00 +0000" &&
+ GIT_COMMITTER_DATE="2006-06-26 00:04:00 +0000" &&
+ export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
+
+ git checkout master &&
+ git pull -s ours . side &&
+
+ GIT_AUTHOR_DATE="2006-06-26 00:05:00 +0000" &&
+ GIT_COMMITTER_DATE="2006-06-26 00:05:00 +0000" &&
+ export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
+
+ for i in A B C; do echo $i; done >>file0 &&
+ for i in 1 2; do echo $i; done >>dir/sub &&
+ git update-index file0 dir/sub &&
+
+ EDITOR=: VISUAL=: git commit --amend &&
+ git show-branch
+'
+
+: <<\EOF
+! [initial] Initial
+ * [master] Merge branch 'side'
+ ! [side] Side
+---
+ - [master] Merge branch 'side'
+ *+ [side] Side
+ * [master^] Second
++*+ [initial] Initial
+EOF
+
+V=`git version | sed -e 's/^git version //'`
+while read cmd
+do
+ case "$cmd" in
+ '' | '#'*) continue ;;
+ esac
+ test=`echo "$cmd" | sed -e 's|[/ ][/ ]*|_|g'`
+ cnt=`expr $test_count + 1`
+ pfx=`printf "%04d" $cnt`
+ expect="../t4013/diff.$test"
+ actual="$pfx-diff.$test"
+
+ test_expect_success "git $cmd" '
+ {
+ echo "\$ git $cmd"
+ git $cmd | sed -e "s/$V/g-i-t--v-e-r-s-i-o-n/"
+ echo "\$"
+ } >"$actual" &&
+ if test -f "$expect"
+ then
+ diff -u "$expect" "$actual" &&
+ rm -f "$actual"
+ else
+ # this is to help developing new tests.
+ cp "$actual" "$expect"
+ false
+ fi
+ '
+done <<\EOF
+diff-tree initial
+diff-tree -r initial
+diff-tree -r --abbrev initial
+diff-tree -r --abbrev=4 initial
+diff-tree --root initial
+diff-tree --root --abbrev initial
+diff-tree --root -r initial
+diff-tree --root -r --abbrev initial
+diff-tree --root -r --abbrev=4 initial
+diff-tree -p initial
+diff-tree --root -p initial
+diff-tree --patch-with-stat initial
+diff-tree --root --patch-with-stat initial
+diff-tree --patch-with-raw initial
+diff-tree --root --patch-with-raw initial
+
+diff-tree --pretty initial
+diff-tree --pretty --root initial
+diff-tree --pretty -p initial
+diff-tree --pretty --stat initial
+diff-tree --pretty --summary initial
+diff-tree --pretty --stat --summary initial
+diff-tree --pretty --root -p initial
+diff-tree --pretty --root --stat initial
+# improved by Timo's patch
+diff-tree --pretty --root --summary initial
+# improved by Timo's patch
+diff-tree --pretty --root --summary -r initial
+diff-tree --pretty --root --stat --summary initial
+diff-tree --pretty --patch-with-stat initial
+diff-tree --pretty --root --patch-with-stat initial
+diff-tree --pretty --patch-with-raw initial
+diff-tree --pretty --root --patch-with-raw initial
+
+diff-tree --pretty=oneline initial
+diff-tree --pretty=oneline --root initial
+diff-tree --pretty=oneline -p initial
+diff-tree --pretty=oneline --root -p initial
+diff-tree --pretty=oneline --patch-with-stat initial
+# improved by Timo's patch
+diff-tree --pretty=oneline --root --patch-with-stat initial
+diff-tree --pretty=oneline --patch-with-raw initial
+diff-tree --pretty=oneline --root --patch-with-raw initial
+
+diff-tree --pretty side
+diff-tree --pretty -p side
+diff-tree --pretty --patch-with-stat side
+
+diff-tree master
+diff-tree -p master
+diff-tree -p -m master
+diff-tree -c master
+diff-tree -c --abbrev master
+diff-tree --cc master
+# stat only should show the diffstat with the first parent
+diff-tree -c --stat master
+diff-tree --cc --stat master
+diff-tree -c --stat --summary master
+diff-tree --cc --stat --summary master
+# stat summary should show the diffstat and summary with the first parent
+diff-tree -c --stat --summary side
+diff-tree --cc --stat --summary side
+# improved by Timo's patch
+diff-tree --cc --patch-with-stat master
+# improved by Timo's patch
+diff-tree --cc --patch-with-stat --summary master
+# this is correct
+diff-tree --cc --patch-with-stat --summary side
+
+log master
+log -p master
+log --root master
+log --root -p master
+log --patch-with-stat master
+log --root --patch-with-stat master
+log --root --patch-with-stat --summary master
+# improved by Timo's patch
+log --root -c --patch-with-stat --summary master
+# improved by Timo's patch
+log --root --cc --patch-with-stat --summary master
+log -SF master
+log -SF -p master
+
+whatchanged master
+whatchanged -p master
+whatchanged --root master
+whatchanged --root -p master
+whatchanged --patch-with-stat master
+whatchanged --root --patch-with-stat master
+whatchanged --root --patch-with-stat --summary master
+# improved by Timo's patch
+whatchanged --root -c --patch-with-stat --summary master
+# improved by Timo's patch
+whatchanged --root --cc --patch-with-stat --summary master
+whatchanged -SF master
+whatchanged -SF -p master
+
+log --patch-with-stat master -- dir/
+whatchanged --patch-with-stat master -- dir/
+log --patch-with-stat --summary master -- dir/
+whatchanged --patch-with-stat --summary master -- dir/
+
+show initial
+show --root initial
+show side
+show master
+show --stat side
+show --stat --summary side
+show --patch-with-stat side
+show --patch-with-raw side
+show --patch-with-stat --summary side
+
+format-patch --stdout initial..side
+format-patch --stdout initial..master^
+format-patch --stdout initial..master
+format-patch --attach --stdout initial..side
+format-patch --attach --stdout initial..master^
+format-patch --attach --stdout initial..master
+
+EOF
+
+test_done
diff --git a/t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_master b/t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_master
new file mode 100644
index 0000000000..0ac9800913
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_master
@@ -0,0 +1,34 @@
+$ git diff-tree --cc --patch-with-stat --summary master
+176b998f5d647cbd77a9d8acf4531e930754d16d
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --cc dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --cc file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+$
diff --git a/t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_side b/t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_side
new file mode 100644
index 0000000000..a61ad8cb13
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--cc_--patch-with-stat_--summary_side
@@ -0,0 +1,39 @@
+$ git diff-tree --cc --patch-with-stat --summary side
+c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+$
diff --git a/t/t4013/diff.diff-tree_--cc_--patch-with-stat_master b/t/t4013/diff.diff-tree_--cc_--patch-with-stat_master
new file mode 100644
index 0000000000..f6ecf76366
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--cc_--patch-with-stat_master
@@ -0,0 +1,34 @@
+$ git diff-tree --cc --patch-with-stat master
+176b998f5d647cbd77a9d8acf4531e930754d16d
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --cc dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --cc file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+$
diff --git a/t/t4013/diff.diff-tree_--cc_--stat_--summary_master b/t/t4013/diff.diff-tree_--cc_--stat_--summary_master
new file mode 100644
index 0000000000..712ffd2d89
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--cc_--stat_--summary_master
@@ -0,0 +1,6 @@
+$ git diff-tree --cc --stat --summary master
+176b998f5d647cbd77a9d8acf4531e930754d16d
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+$
diff --git a/t/t4013/diff.diff-tree_--cc_--stat_--summary_side b/t/t4013/diff.diff-tree_--cc_--stat_--summary_side
new file mode 100644
index 0000000000..50362be7bf
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--cc_--stat_--summary_side
@@ -0,0 +1,8 @@
+$ git diff-tree --cc --stat --summary side
+c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+$
diff --git a/t/t4013/diff.diff-tree_--cc_--stat_master b/t/t4013/diff.diff-tree_--cc_--stat_master
new file mode 100644
index 0000000000..8d5bdc985a
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--cc_--stat_master
@@ -0,0 +1,6 @@
+$ git diff-tree --cc --stat master
+176b998f5d647cbd77a9d8acf4531e930754d16d
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+$
diff --git a/t/t4013/diff.diff-tree_--cc_master b/t/t4013/diff.diff-tree_--cc_master
new file mode 100644
index 0000000000..e57d943bdc
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--cc_master
@@ -0,0 +1,30 @@
+$ git diff-tree --cc master
+176b998f5d647cbd77a9d8acf4531e930754d16d
+diff --cc dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --cc file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+$
diff --git a/t/t4013/diff.diff-tree_--patch-with-raw_initial b/t/t4013/diff.diff-tree_--patch-with-raw_initial
new file mode 100644
index 0000000000..fc177ab3f2
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--patch-with-raw_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --patch-with-raw initial
+$
diff --git a/t/t4013/diff.diff-tree_--patch-with-stat_initial b/t/t4013/diff.diff-tree_--patch-with-stat_initial
new file mode 100644
index 0000000000..bd905b1c57
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--patch-with-stat_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --patch-with-stat initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-raw_initial b/t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-raw_initial
new file mode 100644
index 0000000000..7bb8b45e3e
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-raw_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty=oneline --patch-with-raw initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-stat_initial b/t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-stat_initial
new file mode 100644
index 0000000000..cbdde4f400
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_--patch-with-stat_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty=oneline --patch-with-stat initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-raw_initial b/t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-raw_initial
new file mode 100644
index 0000000000..cd79f1a0ff
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-raw_initial
@@ -0,0 +1,33 @@
+$ git diff-tree --pretty=oneline --root --patch-with-raw initial
+444ac553ac7612cc88969031b02b3767fb8a353a Initial
+:000000 100644 0000000000000000000000000000000000000000 35d242ba79ae89ac695e26b3d4c27a8e6f028f9e A dir/sub
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file0
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file2
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-stat_initial b/t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-stat_initial
new file mode 100644
index 0000000000..d5c333a378
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_--root_--patch-with-stat_initial
@@ -0,0 +1,34 @@
+$ git diff-tree --pretty=oneline --root --patch-with-stat initial
+444ac553ac7612cc88969031b02b3767fb8a353a Initial
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_--root_-p_initial b/t/t4013/diff.diff-tree_--pretty=oneline_--root_-p_initial
new file mode 100644
index 0000000000..3c5092c699
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_--root_-p_initial
@@ -0,0 +1,29 @@
+$ git diff-tree --pretty=oneline --root -p initial
+444ac553ac7612cc88969031b02b3767fb8a353a Initial
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_--root_initial b/t/t4013/diff.diff-tree_--pretty=oneline_--root_initial
new file mode 100644
index 0000000000..08920ac658
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_--root_initial
@@ -0,0 +1,6 @@
+$ git diff-tree --pretty=oneline --root initial
+444ac553ac7612cc88969031b02b3767fb8a353a Initial
+:000000 040000 0000000000000000000000000000000000000000 da7a33fa77d8066d6698643940ce5860fe2d7fb3 A dir
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file0
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file2
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_-p_initial b/t/t4013/diff.diff-tree_--pretty=oneline_-p_initial
new file mode 100644
index 0000000000..94b76bfef1
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_-p_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty=oneline -p initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty=oneline_initial b/t/t4013/diff.diff-tree_--pretty=oneline_initial
new file mode 100644
index 0000000000..d50970d574
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty=oneline_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty=oneline initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--patch-with-raw_initial b/t/t4013/diff.diff-tree_--pretty_--patch-with-raw_initial
new file mode 100644
index 0000000000..3a85316d8a
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--patch-with-raw_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty --patch-with-raw initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--patch-with-stat_initial b/t/t4013/diff.diff-tree_--pretty_--patch-with-stat_initial
new file mode 100644
index 0000000000..2e08239a46
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--patch-with-stat_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty --patch-with-stat initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--patch-with-stat_side b/t/t4013/diff.diff-tree_--pretty_--patch-with-stat_side
new file mode 100644
index 0000000000..4d30e7eddc
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--patch-with-stat_side
@@ -0,0 +1,43 @@
+$ git diff-tree --pretty --patch-with-stat side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_--patch-with-raw_initial b/t/t4013/diff.diff-tree_--pretty_--root_--patch-with-raw_initial
new file mode 100644
index 0000000000..a3203bd19b
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_--patch-with-raw_initial
@@ -0,0 +1,38 @@
+$ git diff-tree --pretty --root --patch-with-raw initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+:000000 100644 0000000000000000000000000000000000000000 35d242ba79ae89ac695e26b3d4c27a8e6f028f9e A dir/sub
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file0
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file2
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_--patch-with-stat_initial b/t/t4013/diff.diff-tree_--pretty_--root_--patch-with-stat_initial
new file mode 100644
index 0000000000..7dfa6af3c9
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_--patch-with-stat_initial
@@ -0,0 +1,39 @@
+$ git diff-tree --pretty --root --patch-with-stat initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_--stat_--summary_initial b/t/t4013/diff.diff-tree_--pretty_--root_--stat_--summary_initial
new file mode 100644
index 0000000000..43bfce253e
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_--stat_--summary_initial
@@ -0,0 +1,15 @@
+$ git diff-tree --pretty --root --stat --summary initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 file2
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_--stat_initial b/t/t4013/diff.diff-tree_--pretty_--root_--stat_initial
new file mode 100644
index 0000000000..9154aa4d47
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_--stat_initial
@@ -0,0 +1,12 @@
+$ git diff-tree --pretty --root --stat initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_--summary_-r_initial b/t/t4013/diff.diff-tree_--pretty_--root_--summary_-r_initial
new file mode 100644
index 0000000000..ccdaafb377
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_--summary_-r_initial
@@ -0,0 +1,11 @@
+$ git diff-tree --pretty --root --summary -r initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 file2
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_--summary_initial b/t/t4013/diff.diff-tree_--pretty_--root_--summary_initial
new file mode 100644
index 0000000000..ea48205537
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_--summary_initial
@@ -0,0 +1,11 @@
+$ git diff-tree --pretty --root --summary initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+ create mode 040000 dir
+ create mode 100644 file0
+ create mode 100644 file2
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_-p_initial b/t/t4013/diff.diff-tree_--pretty_--root_-p_initial
new file mode 100644
index 0000000000..d0411f64ec
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_-p_initial
@@ -0,0 +1,34 @@
+$ git diff-tree --pretty --root -p initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--root_initial b/t/t4013/diff.diff-tree_--pretty_--root_initial
new file mode 100644
index 0000000000..94e32eabb1
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--root_initial
@@ -0,0 +1,11 @@
+$ git diff-tree --pretty --root initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+:000000 040000 0000000000000000000000000000000000000000 da7a33fa77d8066d6698643940ce5860fe2d7fb3 A dir
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file0
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file2
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--stat_--summary_initial b/t/t4013/diff.diff-tree_--pretty_--stat_--summary_initial
new file mode 100644
index 0000000000..c22983ac4a
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--stat_--summary_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty --stat --summary initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--stat_initial b/t/t4013/diff.diff-tree_--pretty_--stat_initial
new file mode 100644
index 0000000000..8fdcfb4c0a
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--stat_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty --stat initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_--summary_initial b/t/t4013/diff.diff-tree_--pretty_--summary_initial
new file mode 100644
index 0000000000..9bc2c4fbad
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_--summary_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty --summary initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_-p_initial b/t/t4013/diff.diff-tree_--pretty_-p_initial
new file mode 100644
index 0000000000..3c9942faf4
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_-p_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty -p initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_-p_side b/t/t4013/diff.diff-tree_--pretty_-p_side
new file mode 100644
index 0000000000..b993aa7b89
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_-p_side
@@ -0,0 +1,38 @@
+$ git diff-tree --pretty -p side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_initial b/t/t4013/diff.diff-tree_--pretty_initial
new file mode 100644
index 0000000000..14715bf7d0
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_initial
@@ -0,0 +1,2 @@
+$ git diff-tree --pretty initial
+$
diff --git a/t/t4013/diff.diff-tree_--pretty_side b/t/t4013/diff.diff-tree_--pretty_side
new file mode 100644
index 0000000000..e9b6e1c102
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--pretty_side
@@ -0,0 +1,11 @@
+$ git diff-tree --pretty side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+:040000 040000 da7a33fa77d8066d6698643940ce5860fe2d7fb3 f977ed46ae6873c1c30ab878e15a4accedc3618b M dir
+:100644 100644 01e79c32a8c99c557f0757da7cb6d65b3414466d f4615da674c09df322d6ba8d6b21ecfb1b1ba510 M file0
+:000000 100644 0000000000000000000000000000000000000000 7289e35bff32727c08dda207511bec138fdb9ea5 A file3
+$
diff --git a/t/t4013/diff.diff-tree_--root_--abbrev_initial b/t/t4013/diff.diff-tree_--root_--abbrev_initial
new file mode 100644
index 0000000000..5aa84b2a86
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_--abbrev_initial
@@ -0,0 +1,6 @@
+$ git diff-tree --root --abbrev initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+:000000 040000 0000000... da7a33f... A dir
+:000000 100644 0000000... 01e79c3... A file0
+:000000 100644 0000000... 01e79c3... A file2
+$
diff --git a/t/t4013/diff.diff-tree_--root_--patch-with-raw_initial b/t/t4013/diff.diff-tree_--root_--patch-with-raw_initial
new file mode 100644
index 0000000000..d295e475dd
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_--patch-with-raw_initial
@@ -0,0 +1,33 @@
+$ git diff-tree --root --patch-with-raw initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+:000000 100644 0000000000000000000000000000000000000000 35d242ba79ae89ac695e26b3d4c27a8e6f028f9e A dir/sub
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file0
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file2
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.diff-tree_--root_--patch-with-stat_initial b/t/t4013/diff.diff-tree_--root_--patch-with-stat_initial
new file mode 100644
index 0000000000..1562b62708
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_--patch-with-stat_initial
@@ -0,0 +1,34 @@
+$ git diff-tree --root --patch-with-stat initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.diff-tree_--root_-p_initial b/t/t4013/diff.diff-tree_--root_-p_initial
new file mode 100644
index 0000000000..3219c72fcb
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_-p_initial
@@ -0,0 +1,29 @@
+$ git diff-tree --root -p initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.diff-tree_--root_-r_--abbrev=4_initial b/t/t4013/diff.diff-tree_--root_-r_--abbrev=4_initial
new file mode 100644
index 0000000000..0c5361688c
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_-r_--abbrev=4_initial
@@ -0,0 +1,6 @@
+$ git diff-tree --root -r --abbrev=4 initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+:000000 100644 0000... 35d2... A dir/sub
+:000000 100644 0000... 01e7... A file0
+:000000 100644 0000... 01e7... A file2
+$
diff --git a/t/t4013/diff.diff-tree_--root_-r_--abbrev_initial b/t/t4013/diff.diff-tree_--root_-r_--abbrev_initial
new file mode 100644
index 0000000000..c7b460faf6
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_-r_--abbrev_initial
@@ -0,0 +1,6 @@
+$ git diff-tree --root -r --abbrev initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+:000000 100644 0000000... 35d242b... A dir/sub
+:000000 100644 0000000... 01e79c3... A file0
+:000000 100644 0000000... 01e79c3... A file2
+$
diff --git a/t/t4013/diff.diff-tree_--root_-r_initial b/t/t4013/diff.diff-tree_--root_-r_initial
new file mode 100644
index 0000000000..eed435e175
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_-r_initial
@@ -0,0 +1,6 @@
+$ git diff-tree --root -r initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+:000000 100644 0000000000000000000000000000000000000000 35d242ba79ae89ac695e26b3d4c27a8e6f028f9e A dir/sub
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file0
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file2
+$
diff --git a/t/t4013/diff.diff-tree_--root_initial b/t/t4013/diff.diff-tree_--root_initial
new file mode 100644
index 0000000000..ddf6b068ab
--- /dev/null
+++ b/t/t4013/diff.diff-tree_--root_initial
@@ -0,0 +1,6 @@
+$ git diff-tree --root initial
+444ac553ac7612cc88969031b02b3767fb8a353a
+:000000 040000 0000000000000000000000000000000000000000 da7a33fa77d8066d6698643940ce5860fe2d7fb3 A dir
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file0
+:000000 100644 0000000000000000000000000000000000000000 01e79c32a8c99c557f0757da7cb6d65b3414466d A file2
+$
diff --git a/t/t4013/diff.diff-tree_-c_--abbrev_master b/t/t4013/diff.diff-tree_-c_--abbrev_master
new file mode 100644
index 0000000000..39d511a7cf
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-c_--abbrev_master
@@ -0,0 +1,5 @@
+$ git diff-tree -c --abbrev master
+176b998f5d647cbd77a9d8acf4531e930754d16d
+::100644 100644 100644 cead32e... 7289e35... 992913c... MM dir/sub
+::100644 100644 100644 b414108... f4615da... 10a8a9f... MM file0
+$
diff --git a/t/t4013/diff.diff-tree_-c_--stat_--summary_master b/t/t4013/diff.diff-tree_-c_--stat_--summary_master
new file mode 100644
index 0000000000..2d239feb5d
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-c_--stat_--summary_master
@@ -0,0 +1,6 @@
+$ git diff-tree -c --stat --summary master
+176b998f5d647cbd77a9d8acf4531e930754d16d
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+$
diff --git a/t/t4013/diff.diff-tree_-c_--stat_--summary_side b/t/t4013/diff.diff-tree_-c_--stat_--summary_side
new file mode 100644
index 0000000000..2afcca11f4
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-c_--stat_--summary_side
@@ -0,0 +1,8 @@
+$ git diff-tree -c --stat --summary side
+c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+$
diff --git a/t/t4013/diff.diff-tree_-c_--stat_master b/t/t4013/diff.diff-tree_-c_--stat_master
new file mode 100644
index 0000000000..226300b93c
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-c_--stat_master
@@ -0,0 +1,6 @@
+$ git diff-tree -c --stat master
+176b998f5d647cbd77a9d8acf4531e930754d16d
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+$
diff --git a/t/t4013/diff.diff-tree_-c_master b/t/t4013/diff.diff-tree_-c_master
new file mode 100644
index 0000000000..c258efe222
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-c_master
@@ -0,0 +1,5 @@
+$ git diff-tree -c master
+176b998f5d647cbd77a9d8acf4531e930754d16d
+::100644 100644 100644 cead32e925b1420c84c14cbf7cf755e7e45af8ad 7289e35bff32727c08dda207511bec138fdb9ea5 992913c5aa0a5476d10c49ed0f21fc0c6d1aedf3 MM dir/sub
+::100644 100644 100644 b414108e81e5091fe0974a1858b4d0d22b107f70 f4615da674c09df322d6ba8d6b21ecfb1b1ba510 10a8a9f3657f91a156b9f0184ed79a20adef9f7f MM file0
+$
diff --git a/t/t4013/diff.diff-tree_-p_-m_master b/t/t4013/diff.diff-tree_-p_-m_master
new file mode 100644
index 0000000000..1be721560a
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-p_-m_master
@@ -0,0 +1,80 @@
+$ git diff-tree -p -m master
+176b998f5d647cbd77a9d8acf4531e930754d16d
+diff --git a/dir/sub b/dir/sub
+index cead32e..992913c 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -4,3 +4,5 @@ C
+ D
+ E
+ F
++1
++2
+diff --git a/file0 b/file0
+index b414108..10a8a9f 100644
+--- a/file0
++++ b/file0
+@@ -4,3 +4,6 @@
+ 4
+ 5
+ 6
++A
++B
++C
+176b998f5d647cbd77a9d8acf4531e930754d16d
+diff --git a/dir/sub b/dir/sub
+index 7289e35..992913c 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,4 +1,8 @@
+ A
+ B
++C
++D
++E
++F
+ 1
+ 2
+diff --git a/file0 b/file0
+index f4615da..10a8a9f 100644
+--- a/file0
++++ b/file0
+@@ -1,6 +1,9 @@
+ 1
+ 2
+ 3
++4
++5
++6
+ A
+ B
+ C
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+diff --git a/file3 b/file3
+deleted file mode 100644
+index 7289e35..0000000
+--- a/file3
++++ /dev/null
+@@ -1,4 +0,0 @@
+-A
+-B
+-1
+-2
+$
diff --git a/t/t4013/diff.diff-tree_-p_initial b/t/t4013/diff.diff-tree_-p_initial
new file mode 100644
index 0000000000..e20ce88370
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-p_initial
@@ -0,0 +1,2 @@
+$ git diff-tree -p initial
+$
diff --git a/t/t4013/diff.diff-tree_-p_master b/t/t4013/diff.diff-tree_-p_master
new file mode 100644
index 0000000000..b182875fb2
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-p_master
@@ -0,0 +1,2 @@
+$ git diff-tree -p master
+$
diff --git a/t/t4013/diff.diff-tree_-r_--abbrev=4_initial b/t/t4013/diff.diff-tree_-r_--abbrev=4_initial
new file mode 100644
index 0000000000..c5a3aa5aa4
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-r_--abbrev=4_initial
@@ -0,0 +1,2 @@
+$ git diff-tree -r --abbrev=4 initial
+$
diff --git a/t/t4013/diff.diff-tree_-r_--abbrev_initial b/t/t4013/diff.diff-tree_-r_--abbrev_initial
new file mode 100644
index 0000000000..0b689b773c
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-r_--abbrev_initial
@@ -0,0 +1,2 @@
+$ git diff-tree -r --abbrev initial
+$
diff --git a/t/t4013/diff.diff-tree_-r_initial b/t/t4013/diff.diff-tree_-r_initial
new file mode 100644
index 0000000000..1765d83ce4
--- /dev/null
+++ b/t/t4013/diff.diff-tree_-r_initial
@@ -0,0 +1,2 @@
+$ git diff-tree -r initial
+$
diff --git a/t/t4013/diff.diff-tree_initial b/t/t4013/diff.diff-tree_initial
new file mode 100644
index 0000000000..b49fc53457
--- /dev/null
+++ b/t/t4013/diff.diff-tree_initial
@@ -0,0 +1,2 @@
+$ git diff-tree initial
+$
diff --git a/t/t4013/diff.diff-tree_master b/t/t4013/diff.diff-tree_master
new file mode 100644
index 0000000000..fe9226f8a1
--- /dev/null
+++ b/t/t4013/diff.diff-tree_master
@@ -0,0 +1,2 @@
+$ git diff-tree master
+$
diff --git a/t/t4013/diff.format-patch_--attach_--stdout_initial..master b/t/t4013/diff.format-patch_--attach_--stdout_initial..master
new file mode 100644
index 0000000000..a89bbbbcfb
--- /dev/null
+++ b/t/t4013/diff.format-patch_--attach_--stdout_initial..master
@@ -0,0 +1,165 @@
+$ git format-patch --attach --stdout initial..master
+From 7952a93e09bf565b5592766a438b40cd81f4846f Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:01:00 +0000
+Subject: [PATCH] Second
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="7952a93e09bf565b5592766a438b40cd81f4846f.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="7952a93e09bf565b5592766a438b40cd81f4846f.diff"
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+--------------g-i-t--v-e-r-s-i-o-n--
+
+
+
+From 889b315013ef9f2e2f90aa0b054b267c8a557847 Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:02:00 +0000
+Subject: [PATCH] Third
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="889b315013ef9f2e2f90aa0b054b267c8a557847.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="889b315013ef9f2e2f90aa0b054b267c8a557847.diff"
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+--------------g-i-t--v-e-r-s-i-o-n--
+
+
+
+From c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:03:00 +0000
+Subject: [PATCH] Side
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+--------------g-i-t--v-e-r-s-i-o-n--
+
+
+$
diff --git a/t/t4013/diff.format-patch_--attach_--stdout_initial..master^ b/t/t4013/diff.format-patch_--attach_--stdout_initial..master^
new file mode 100644
index 0000000000..4de9091a40
--- /dev/null
+++ b/t/t4013/diff.format-patch_--attach_--stdout_initial..master^
@@ -0,0 +1,106 @@
+$ git format-patch --attach --stdout initial..master^
+From 7952a93e09bf565b5592766a438b40cd81f4846f Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:01:00 +0000
+Subject: [PATCH] Second
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="7952a93e09bf565b5592766a438b40cd81f4846f.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="7952a93e09bf565b5592766a438b40cd81f4846f.diff"
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+--------------g-i-t--v-e-r-s-i-o-n--
+
+
+
+From 889b315013ef9f2e2f90aa0b054b267c8a557847 Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:02:00 +0000
+Subject: [PATCH] Third
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="889b315013ef9f2e2f90aa0b054b267c8a557847.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="889b315013ef9f2e2f90aa0b054b267c8a557847.diff"
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+--------------g-i-t--v-e-r-s-i-o-n--
+
+
+$
diff --git a/t/t4013/diff.format-patch_--attach_--stdout_initial..side b/t/t4013/diff.format-patch_--attach_--stdout_initial..side
new file mode 100644
index 0000000000..3769fa6daf
--- /dev/null
+++ b/t/t4013/diff.format-patch_--attach_--stdout_initial..side
@@ -0,0 +1,60 @@
+$ git format-patch --attach --stdout initial..side
+From c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:03:00 +0000
+Subject: [PATCH] Side
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+--------------g-i-t--v-e-r-s-i-o-n--
+
+
+$
diff --git a/t/t4013/diff.format-patch_--stdout_initial..master b/t/t4013/diff.format-patch_--stdout_initial..master
new file mode 100644
index 0000000000..b7b4e7ca91
--- /dev/null
+++ b/t/t4013/diff.format-patch_--stdout_initial..master
@@ -0,0 +1,120 @@
+$ git format-patch --stdout initial..master
+From 7952a93e09bf565b5592766a438b40cd81f4846f Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:01:00 +0000
+Subject: [PATCH] Second
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+--
+g-i-t--v-e-r-s-i-o-n
+
+
+From 889b315013ef9f2e2f90aa0b054b267c8a557847 Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:02:00 +0000
+Subject: [PATCH] Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+--
+g-i-t--v-e-r-s-i-o-n
+
+
+From c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:03:00 +0000
+Subject: [PATCH] Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+--
+g-i-t--v-e-r-s-i-o-n
+
+$
diff --git a/t/t4013/diff.format-patch_--stdout_initial..master^ b/t/t4013/diff.format-patch_--stdout_initial..master^
new file mode 100644
index 0000000000..e56dd98df3
--- /dev/null
+++ b/t/t4013/diff.format-patch_--stdout_initial..master^
@@ -0,0 +1,76 @@
+$ git format-patch --stdout initial..master^
+From 7952a93e09bf565b5592766a438b40cd81f4846f Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:01:00 +0000
+Subject: [PATCH] Second
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+--
+g-i-t--v-e-r-s-i-o-n
+
+
+From 889b315013ef9f2e2f90aa0b054b267c8a557847 Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:02:00 +0000
+Subject: [PATCH] Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+--
+g-i-t--v-e-r-s-i-o-n
+
+$
diff --git a/t/t4013/diff.format-patch_--stdout_initial..side b/t/t4013/diff.format-patch_--stdout_initial..side
new file mode 100644
index 0000000000..e7ddbf4814
--- /dev/null
+++ b/t/t4013/diff.format-patch_--stdout_initial..side
@@ -0,0 +1,45 @@
+$ git format-patch --stdout initial..side
+From c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:03:00 +0000
+Subject: [PATCH] Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+--
+g-i-t--v-e-r-s-i-o-n
+
+$
diff --git a/t/t4013/diff.log_--patch-with-stat_--summary_master_--_dir_ b/t/t4013/diff.log_--patch-with-stat_--summary_master_--_dir_
new file mode 100644
index 0000000000..cc5537697d
--- /dev/null
+++ b/t/t4013/diff.log_--patch-with-stat_--summary_master_--_dir_
@@ -0,0 +1,72 @@
+$ git log --patch-with-stat --summary master -- dir/
+commit 176b998f5d647cbd77a9d8acf4531e930754d16d
+Merge: 889b315... c7a2ab9...
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.log_--patch-with-stat_master b/t/t4013/diff.log_--patch-with-stat_master
new file mode 100644
index 0000000000..b97969dc98
--- /dev/null
+++ b/t/t4013/diff.log_--patch-with-stat_master
@@ -0,0 +1,127 @@
+$ git log --patch-with-stat master
+commit 176b998f5d647cbd77a9d8acf4531e930754d16d
+Merge: 889b315... c7a2ab9...
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.log_--patch-with-stat_master_--_dir_ b/t/t4013/diff.log_--patch-with-stat_master_--_dir_
new file mode 100644
index 0000000000..71a6d0f853
--- /dev/null
+++ b/t/t4013/diff.log_--patch-with-stat_master_--_dir_
@@ -0,0 +1,72 @@
+$ git log --patch-with-stat master -- dir/
+commit 176b998f5d647cbd77a9d8acf4531e930754d16d
+Merge: 889b315... c7a2ab9...
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.log_--root_--cc_--patch-with-stat_--summary_master b/t/t4013/diff.log_--root_--cc_--patch-with-stat_--summary_master
new file mode 100644
index 0000000000..b652c6a823
--- /dev/null
+++ b/t/t4013/diff.log_--root_--cc_--patch-with-stat_--summary_master
@@ -0,0 +1,197 @@
+$ git log --root --cc --patch-with-stat --summary master
+commit 176b998f5d647cbd77a9d8acf4531e930754d16d
+Merge: 889b315... c7a2ab9...
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --cc dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --cc file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ create mode 100644 file1
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+ delete mode 100644 file2
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 file2
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.log_--root_--patch-with-stat_--summary_master b/t/t4013/diff.log_--root_--patch-with-stat_--summary_master
new file mode 100644
index 0000000000..b24a504759
--- /dev/null
+++ b/t/t4013/diff.log_--root_--patch-with-stat_--summary_master
@@ -0,0 +1,165 @@
+$ git log --root --patch-with-stat --summary master
+commit 176b998f5d647cbd77a9d8acf4531e930754d16d
+Merge: 889b315... c7a2ab9...
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ create mode 100644 file1
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+ delete mode 100644 file2
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 file2
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.log_--root_--patch-with-stat_master b/t/t4013/diff.log_--root_--patch-with-stat_master
new file mode 100644
index 0000000000..1e9bdc4c1c
--- /dev/null
+++ b/t/t4013/diff.log_--root_--patch-with-stat_master
@@ -0,0 +1,159 @@
+$ git log --root --patch-with-stat master
+commit 176b998f5d647cbd77a9d8acf4531e930754d16d
+Merge: 889b315... c7a2ab9...
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.log_--root_-c_--patch-with-stat_--summary_master b/t/t4013/diff.log_--root_-c_--patch-with-stat_--summary_master
new file mode 100644
index 0000000000..3a155d288c
--- /dev/null
+++ b/t/t4013/diff.log_--root_-c_--patch-with-stat_--summary_master
@@ -0,0 +1,197 @@
+$ git log --root -c --patch-with-stat --summary master
+commit 176b998f5d647cbd77a9d8acf4531e930754d16d
+Merge: 889b315... c7a2ab9...
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --combined dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --combined file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ create mode 100644 file1
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+ delete mode 100644 file2
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 file2
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.log_--root_-p_master b/t/t4013/diff.log_--root_-p_master
new file mode 100644
index 0000000000..2296986ad1
--- /dev/null
+++ b/t/t4013/diff.log_--root_-p_master
@@ -0,0 +1,140 @@
+$ git log --root -p master
+commit 176b998f5d647cbd77a9d8acf4531e930754d16d
+Merge: 889b315... c7a2ab9...
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.log_--root_master b/t/t4013/diff.log_--root_master
new file mode 100644
index 0000000000..7554a468d1
--- /dev/null
+++ b/t/t4013/diff.log_--root_master
@@ -0,0 +1,32 @@
+$ git log --root master
+commit 176b998f5d647cbd77a9d8acf4531e930754d16d
+Merge: 889b315... c7a2ab9...
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.log_-SF_-p_master b/t/t4013/diff.log_-SF_-p_master
new file mode 100644
index 0000000000..db2264c6e9
--- /dev/null
+++ b/t/t4013/diff.log_-SF_-p_master
@@ -0,0 +1,18 @@
+$ git log -SF -p master
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+$
diff --git a/t/t4013/diff.log_-SF_master b/t/t4013/diff.log_-SF_master
new file mode 100644
index 0000000000..f307b4d2a8
--- /dev/null
+++ b/t/t4013/diff.log_-SF_master
@@ -0,0 +1,8 @@
+$ git log -SF master
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+$
diff --git a/t/t4013/diff.log_-p_master b/t/t4013/diff.log_-p_master
new file mode 100644
index 0000000000..e82a72f6f8
--- /dev/null
+++ b/t/t4013/diff.log_-p_master
@@ -0,0 +1,113 @@
+$ git log -p master
+commit 176b998f5d647cbd77a9d8acf4531e930754d16d
+Merge: 889b315... c7a2ab9...
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.log_master b/t/t4013/diff.log_master
new file mode 100644
index 0000000000..7b86ed1f5d
--- /dev/null
+++ b/t/t4013/diff.log_master
@@ -0,0 +1,32 @@
+$ git log master
+commit 176b998f5d647cbd77a9d8acf4531e930754d16d
+Merge: 889b315... c7a2ab9...
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.show_--patch-with-raw_side b/t/t4013/diff.show_--patch-with-raw_side
new file mode 100644
index 0000000000..221b46a7cc
--- /dev/null
+++ b/t/t4013/diff.show_--patch-with-raw_side
@@ -0,0 +1,42 @@
+$ git show --patch-with-raw side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+:100644 100644 35d242b... 7289e35... M dir/sub
+:100644 100644 01e79c3... f4615da... M file0
+:000000 100644 0000000... 7289e35... A file3
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+$
diff --git a/t/t4013/diff.show_--patch-with-stat_--summary_side b/t/t4013/diff.show_--patch-with-stat_--summary_side
new file mode 100644
index 0000000000..377f2b7b7a
--- /dev/null
+++ b/t/t4013/diff.show_--patch-with-stat_--summary_side
@@ -0,0 +1,44 @@
+$ git show --patch-with-stat --summary side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+$
diff --git a/t/t4013/diff.show_--patch-with-stat_side b/t/t4013/diff.show_--patch-with-stat_side
new file mode 100644
index 0000000000..fb14c530d2
--- /dev/null
+++ b/t/t4013/diff.show_--patch-with-stat_side
@@ -0,0 +1,43 @@
+$ git show --patch-with-stat side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+$
diff --git a/t/t4013/diff.show_--root_initial b/t/t4013/diff.show_--root_initial
new file mode 100644
index 0000000000..8c89136c4d
--- /dev/null
+++ b/t/t4013/diff.show_--root_initial
@@ -0,0 +1,34 @@
+$ git show --root initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.show_--stat_--summary_side b/t/t4013/diff.show_--stat_--summary_side
new file mode 100644
index 0000000000..5bd5977628
--- /dev/null
+++ b/t/t4013/diff.show_--stat_--summary_side
@@ -0,0 +1,13 @@
+$ git show --stat --summary side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+$
diff --git a/t/t4013/diff.show_--stat_side b/t/t4013/diff.show_--stat_side
new file mode 100644
index 0000000000..3b22327e48
--- /dev/null
+++ b/t/t4013/diff.show_--stat_side
@@ -0,0 +1,12 @@
+$ git show --stat side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+$
diff --git a/t/t4013/diff.show_initial b/t/t4013/diff.show_initial
new file mode 100644
index 0000000000..4c4066ae48
--- /dev/null
+++ b/t/t4013/diff.show_initial
@@ -0,0 +1,7 @@
+$ git show initial
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+$
diff --git a/t/t4013/diff.show_master b/t/t4013/diff.show_master
new file mode 100644
index 0000000000..3772a87e13
--- /dev/null
+++ b/t/t4013/diff.show_master
@@ -0,0 +1,36 @@
+$ git show master
+commit 176b998f5d647cbd77a9d8acf4531e930754d16d
+Merge: 889b315... c7a2ab9...
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+diff --cc dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --cc file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+$
diff --git a/t/t4013/diff.show_side b/t/t4013/diff.show_side
new file mode 100644
index 0000000000..530a073b19
--- /dev/null
+++ b/t/t4013/diff.show_side
@@ -0,0 +1,38 @@
+$ git show side
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+$
diff --git a/t/t4013/diff.whatchanged_--patch-with-stat_--summary_master_--_dir_ b/t/t4013/diff.whatchanged_--patch-with-stat_--summary_master_--_dir_
new file mode 100644
index 0000000000..054513f312
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--patch-with-stat_--summary_master_--_dir_
@@ -0,0 +1,59 @@
+$ git whatchanged --patch-with-stat --summary master -- dir/
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+$
diff --git a/t/t4013/diff.whatchanged_--patch-with-stat_master b/t/t4013/diff.whatchanged_--patch-with-stat_master
new file mode 100644
index 0000000000..a89b573f45
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--patch-with-stat_master
@@ -0,0 +1,114 @@
+$ git whatchanged --patch-with-stat master
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+$
diff --git a/t/t4013/diff.whatchanged_--patch-with-stat_master_--_dir_ b/t/t4013/diff.whatchanged_--patch-with-stat_master_--_dir_
new file mode 100644
index 0000000000..b6d9752164
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--patch-with-stat_master_--_dir_
@@ -0,0 +1,59 @@
+$ git whatchanged --patch-with-stat master -- dir/
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+---
+ dir/sub | 2 ++
+ 1 files changed, 2 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+$
diff --git a/t/t4013/diff.whatchanged_--root_--cc_--patch-with-stat_--summary_master b/t/t4013/diff.whatchanged_--root_--cc_--patch-with-stat_--summary_master
new file mode 100644
index 0000000000..e9e17cdafb
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--root_--cc_--patch-with-stat_--summary_master
@@ -0,0 +1,197 @@
+$ git whatchanged --root --cc --patch-with-stat --summary master
+commit 176b998f5d647cbd77a9d8acf4531e930754d16d
+Merge: 889b315... c7a2ab9...
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --cc dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --cc file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ create mode 100644 file1
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+ delete mode 100644 file2
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 file2
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.whatchanged_--root_--patch-with-stat_--summary_master b/t/t4013/diff.whatchanged_--root_--patch-with-stat_--summary_master
new file mode 100644
index 0000000000..f707bfa3a1
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--root_--patch-with-stat_--summary_master
@@ -0,0 +1,158 @@
+$ git whatchanged --root --patch-with-stat --summary master
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ create mode 100644 file1
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+ delete mode 100644 file2
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 file2
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.whatchanged_--root_--patch-with-stat_master b/t/t4013/diff.whatchanged_--root_--patch-with-stat_master
new file mode 100644
index 0000000000..61aca41711
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--root_--patch-with-stat_master
@@ -0,0 +1,152 @@
+$ git whatchanged --root --patch-with-stat master
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.whatchanged_--root_-c_--patch-with-stat_--summary_master b/t/t4013/diff.whatchanged_--root_-c_--patch-with-stat_--summary_master
new file mode 100644
index 0000000000..596765e804
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--root_-c_--patch-with-stat_--summary_master
@@ -0,0 +1,197 @@
+$ git whatchanged --root -c --patch-with-stat --summary master
+commit 176b998f5d647cbd77a9d8acf4531e930754d16d
+Merge: 889b315... c7a2ab9...
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:04:00 2006 +0000
+
+ Merge branch 'side'
+
+ dir/sub | 2 ++
+ file0 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+
+diff --combined dir/sub
+index cead32e,7289e35..992913c
+--- a/dir/sub
++++ b/dir/sub
+@@@ -1,6 -1,4 +1,8 @@@
+ A
+ B
+ +C
+ +D
+ +E
+ +F
++ 1
++ 2
+diff --combined file0
+index b414108,f4615da..10a8a9f
+--- a/file0
++++ b/file0
+@@@ -1,6 -1,6 +1,9 @@@
+ 1
+ 2
+ 3
+ +4
+ +5
+ +6
++ A
++ B
++ C
+
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file3 | 4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+---
+ dir/sub | 2 ++
+ file1 | 3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ create mode 100644 file1
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+ delete mode 100644 file2
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+---
+ dir/sub | 2 ++
+ file0 | 3 +++
+ file2 | 3 +++
+ 3 files changed, 8 insertions(+), 0 deletions(-)
+ create mode 100644 dir/sub
+ create mode 100644 file0
+ create mode 100644 file2
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.whatchanged_--root_-p_master b/t/t4013/diff.whatchanged_--root_-p_master
new file mode 100644
index 0000000000..b4cd05e576
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--root_-p_master
@@ -0,0 +1,133 @@
+$ git whatchanged --root -p master
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+diff --git a/dir/sub b/dir/sub
+new file mode 100644
+index 0000000..35d242b
+--- /dev/null
++++ b/dir/sub
+@@ -0,0 +1,2 @@
++A
++B
+diff --git a/file0 b/file0
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file0
+@@ -0,0 +1,3 @@
++1
++2
++3
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..01e79c3
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,3 @@
++1
++2
++3
+$
diff --git a/t/t4013/diff.whatchanged_--root_master b/t/t4013/diff.whatchanged_--root_master
new file mode 100644
index 0000000000..011a22178f
--- /dev/null
+++ b/t/t4013/diff.whatchanged_--root_master
@@ -0,0 +1,40 @@
+$ git whatchanged --root master
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+:100644 100644 35d242b... 7289e35... M dir/sub
+:100644 100644 01e79c3... f4615da... M file0
+:000000 100644 0000000... 7289e35... A file3
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+:100644 100644 8422d40... cead32e... M dir/sub
+:000000 100644 0000000... b1e6722... A file1
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+:100644 100644 35d242b... 8422d40... M dir/sub
+:100644 100644 01e79c3... b414108... M file0
+:100644 000000 01e79c3... 0000000... D file2
+
+commit 444ac553ac7612cc88969031b02b3767fb8a353a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:00:00 2006 +0000
+
+ Initial
+
+:000000 100644 0000000... 35d242b... A dir/sub
+:000000 100644 0000000... 01e79c3... A file0
+:000000 100644 0000000... 01e79c3... A file2
+$
diff --git a/t/t4013/diff.whatchanged_-SF_-p_master b/t/t4013/diff.whatchanged_-SF_-p_master
new file mode 100644
index 0000000000..6a76f4e604
--- /dev/null
+++ b/t/t4013/diff.whatchanged_-SF_-p_master
@@ -0,0 +1,18 @@
+$ git whatchanged -SF -p master
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+$
diff --git a/t/t4013/diff.whatchanged_-SF_master b/t/t4013/diff.whatchanged_-SF_master
new file mode 100644
index 0000000000..a4fe6f8a39
--- /dev/null
+++ b/t/t4013/diff.whatchanged_-SF_master
@@ -0,0 +1,9 @@
+$ git whatchanged -SF master
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+:100644 100644 8422d40... cead32e... M dir/sub
+$
diff --git a/t/t4013/diff.whatchanged_-p_master b/t/t4013/diff.whatchanged_-p_master
new file mode 100644
index 0000000000..f9a4456725
--- /dev/null
+++ b/t/t4013/diff.whatchanged_-p_master
@@ -0,0 +1,100 @@
+$ git whatchanged -p master
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+$
diff --git a/t/t4013/diff.whatchanged_master b/t/t4013/diff.whatchanged_master
new file mode 100644
index 0000000000..c22416c006
--- /dev/null
+++ b/t/t4013/diff.whatchanged_master
@@ -0,0 +1,30 @@
+$ git whatchanged master
+commit c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:03:00 2006 +0000
+
+ Side
+
+:100644 100644 35d242b... 7289e35... M dir/sub
+:100644 100644 01e79c3... f4615da... M file0
+:000000 100644 0000000... 7289e35... A file3
+
+commit 889b315013ef9f2e2f90aa0b054b267c8a557847
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:02:00 2006 +0000
+
+ Third
+
+:100644 100644 8422d40... cead32e... M dir/sub
+:000000 100644 0000000... b1e6722... A file1
+
+commit 7952a93e09bf565b5592766a438b40cd81f4846f
+Author: A U Thor <author@example.com>
+Date: Mon Jun 26 00:01:00 2006 +0000
+
+ Second
+
+:100644 100644 35d242b... 8422d40... M dir/sub
+:100644 100644 01e79c3... b414108... M file0
+:100644 000000 01e79c3... 0000000... D file2
+$