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-rw-r--r--builtin/blame.c260
1 files changed, 170 insertions, 90 deletions
diff --git a/builtin/blame.c b/builtin/blame.c
index 048ed53c2f..7ec7823430 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -6,6 +6,7 @@
*/
#include "cache.h"
+#include "refs.h"
#include "builtin.h"
#include "blob.h"
#include "commit.h"
@@ -27,6 +28,7 @@
#include "line-range.h"
#include "line-log.h"
#include "dir.h"
+#include "progress.h"
static char blame_usage[] = N_("git blame [<options>] [<rev-opts>] [<rev>] [--] <file>");
@@ -49,11 +51,12 @@ static int incremental;
static int xdl_opts;
static int abbrev = -1;
static int no_whole_file_rename;
+static int show_progress;
-static enum date_mode blame_date_mode = DATE_ISO8601;
+static struct date_mode blame_date_mode = { DATE_ISO8601 };
static size_t blame_date_width;
-static struct string_list mailmap;
+static struct string_list mailmap = STRING_LIST_INIT_NODUP;
#ifndef DEBUG
#define DEBUG 0
@@ -126,7 +129,12 @@ struct origin {
char path[FLEX_ARRAY];
};
-static int diff_hunks(mmfile_t *file_a, mmfile_t *file_b, long ctxlen,
+struct progress_info {
+ struct progress *progress;
+ int blamed_lines;
+};
+
+static int diff_hunks(mmfile_t *file_a, mmfile_t *file_b,
xdl_emit_hunk_consume_func_t hunk_func, void *cb_data)
{
xpparam_t xpp = {0};
@@ -134,7 +142,6 @@ static int diff_hunks(mmfile_t *file_a, mmfile_t *file_b, long ctxlen,
xdemitcb_t ecb = {NULL};
xpp.flags = xdl_opts;
- xecfg.ctxlen = ctxlen;
xecfg.hunk_func = hunk_func;
ecb.priv = cb_data;
return xdi_diff(file_a, file_b, &xpp, &xecfg, &ecb);
@@ -458,12 +465,11 @@ static void queue_blames(struct scoreboard *sb, struct origin *porigin,
static struct origin *make_origin(struct commit *commit, const char *path)
{
struct origin *o;
- o = xcalloc(1, sizeof(*o) + strlen(path) + 1);
+ FLEX_ALLOC_STR(o, path, path);
o->commit = commit;
o->refcnt = 1;
o->next = commit->util;
commit->util = o;
- strcpy(o->path, path);
return o;
}
@@ -504,7 +510,7 @@ static int fill_blob_sha1_and_mode(struct origin *origin)
{
if (!is_null_sha1(origin->blob_sha1))
return 0;
- if (get_tree_entry(origin->commit->object.sha1,
+ if (get_tree_entry(origin->commit->object.oid.hash,
origin->path,
origin->blob_sha1, &origin->mode))
goto error_out;
@@ -555,11 +561,11 @@ static struct origin *find_origin(struct scoreboard *sb,
PATHSPEC_LITERAL_PATH, "", paths);
diff_setup_done(&diff_opts);
- if (is_null_sha1(origin->commit->object.sha1))
- do_diff_cache(parent->tree->object.sha1, &diff_opts);
+ if (is_null_oid(&origin->commit->object.oid))
+ do_diff_cache(parent->tree->object.oid.hash, &diff_opts);
else
- diff_tree_sha1(parent->tree->object.sha1,
- origin->commit->tree->object.sha1,
+ diff_tree_sha1(parent->tree->object.oid.hash,
+ origin->commit->tree->object.oid.hash,
"", &diff_opts);
diffcore_std(&diff_opts);
@@ -592,7 +598,7 @@ static struct origin *find_origin(struct scoreboard *sb,
p->status);
case 'M':
porigin = get_origin(sb, parent, origin->path);
- hashcpy(porigin->blob_sha1, p->one->sha1);
+ hashcpy(porigin->blob_sha1, p->one->oid.hash);
porigin->mode = p->one->mode;
break;
case 'A':
@@ -602,7 +608,7 @@ static struct origin *find_origin(struct scoreboard *sb,
}
}
diff_flush(&diff_opts);
- free_pathspec(&diff_opts.pathspec);
+ clear_pathspec(&diff_opts.pathspec);
return porigin;
}
@@ -625,11 +631,11 @@ static struct origin *find_rename(struct scoreboard *sb,
diff_opts.single_follow = origin->path;
diff_setup_done(&diff_opts);
- if (is_null_sha1(origin->commit->object.sha1))
- do_diff_cache(parent->tree->object.sha1, &diff_opts);
+ if (is_null_oid(&origin->commit->object.oid))
+ do_diff_cache(parent->tree->object.oid.hash, &diff_opts);
else
- diff_tree_sha1(parent->tree->object.sha1,
- origin->commit->tree->object.sha1,
+ diff_tree_sha1(parent->tree->object.oid.hash,
+ origin->commit->tree->object.oid.hash,
"", &diff_opts);
diffcore_std(&diff_opts);
@@ -638,13 +644,13 @@ static struct origin *find_rename(struct scoreboard *sb,
if ((p->status == 'R' || p->status == 'C') &&
!strcmp(p->two->path, origin->path)) {
porigin = get_origin(sb, parent, p->one->path);
- hashcpy(porigin->blob_sha1, p->one->sha1);
+ hashcpy(porigin->blob_sha1, p->one->oid.hash);
porigin->mode = p->one->mode;
break;
}
}
diff_flush(&diff_opts);
- free_pathspec(&diff_opts.pathspec);
+ clear_pathspec(&diff_opts.pathspec);
return porigin;
}
@@ -973,10 +979,10 @@ static void pass_blame_to_parent(struct scoreboard *sb,
fill_origin_blob(&sb->revs->diffopt, target, &file_o);
num_get_patch++;
- if (diff_hunks(&file_p, &file_o, 0, blame_chunk_cb, &d))
+ if (diff_hunks(&file_p, &file_o, blame_chunk_cb, &d))
die("unable to generate diff (%s -> %s)",
- sha1_to_hex(parent->commit->object.sha1),
- sha1_to_hex(target->commit->object.sha1));
+ oid_to_hex(&parent->commit->object.oid),
+ oid_to_hex(&target->commit->object.oid));
/* The rest are the same as the parent */
blame_chunk(&d.dstq, &d.srcq, INT_MAX, d.offset, INT_MAX, parent);
*d.dstq = NULL;
@@ -1122,9 +1128,9 @@ static void find_copy_in_blob(struct scoreboard *sb,
* file_p partially may match that image.
*/
memset(split, 0, sizeof(struct blame_entry [3]));
- if (diff_hunks(file_p, &file_o, 1, handle_split_cb, &d))
+ if (diff_hunks(file_p, &file_o, handle_split_cb, &d))
die("unable to generate diff (%s)",
- sha1_to_hex(parent->commit->object.sha1));
+ oid_to_hex(&parent->commit->object.oid));
/* remainder, if any, all match the preimage */
handle_split(sb, ent, d.tlno, d.plno, ent->num_lines, parent, split);
}
@@ -1273,11 +1279,11 @@ static void find_copy_in_parent(struct scoreboard *sb,
&& (!porigin || strcmp(target->path, porigin->path))))
DIFF_OPT_SET(&diff_opts, FIND_COPIES_HARDER);
- if (is_null_sha1(target->commit->object.sha1))
- do_diff_cache(parent->tree->object.sha1, &diff_opts);
+ if (is_null_oid(&target->commit->object.oid))
+ do_diff_cache(parent->tree->object.oid.hash, &diff_opts);
else
- diff_tree_sha1(parent->tree->object.sha1,
- target->commit->tree->object.sha1,
+ diff_tree_sha1(parent->tree->object.oid.hash,
+ target->commit->tree->object.oid.hash,
"", &diff_opts);
if (!DIFF_OPT_TST(&diff_opts, FIND_COPIES_HARDER))
@@ -1302,7 +1308,7 @@ static void find_copy_in_parent(struct scoreboard *sb,
continue;
norigin = get_origin(sb, parent, p->one->path);
- hashcpy(norigin->blob_sha1, p->one->sha1);
+ hashcpy(norigin->blob_sha1, p->one->oid.hash);
norigin->mode = p->one->mode;
fill_origin_blob(&sb->revs->diffopt, norigin, &file_p);
if (!file_p.ptr)
@@ -1336,7 +1342,7 @@ static void find_copy_in_parent(struct scoreboard *sb,
} while (unblamed);
target->suspects = reverse_blame(leftover, NULL);
diff_flush(&diff_opts);
- free_pathspec(&diff_opts.pathspec);
+ clear_pathspec(&diff_opts.pathspec);
}
/*
@@ -1370,8 +1376,15 @@ static void pass_whole_blame(struct scoreboard *sb,
*/
static struct commit_list *first_scapegoat(struct rev_info *revs, struct commit *commit)
{
- if (!reverse)
+ if (!reverse) {
+ if (revs->first_parent_only &&
+ commit->parents &&
+ commit->parents->next) {
+ free_commit_list(commit->parents->next);
+ commit->parents->next = NULL;
+ }
return commit->parents;
+ }
return lookup_decoration(&revs->children, &commit->object);
}
@@ -1681,7 +1694,7 @@ static void get_commit_info(struct commit *commit,
if (len)
strbuf_add(&ret->summary, subject, len);
else
- strbuf_addf(&ret->summary, "(%s)", sha1_to_hex(commit->object.sha1));
+ strbuf_addf(&ret->summary, "(%s)", oid_to_hex(&commit->object.oid));
unuse_commit_buffer(commit, message);
}
@@ -1724,7 +1737,7 @@ static int emit_one_suspect_detail(struct origin *suspect, int repeat)
printf("boundary\n");
if (suspect->previous) {
struct origin *prev = suspect->previous;
- printf("previous %s ", sha1_to_hex(prev->commit->object.sha1));
+ printf("previous %s ", oid_to_hex(&prev->commit->object.oid));
write_name_quoted(prev->path, stdout, '\n');
}
@@ -1737,18 +1750,21 @@ static int emit_one_suspect_detail(struct origin *suspect, int repeat)
* The blame_entry is found to be guilty for the range.
* Show it in incremental output.
*/
-static void found_guilty_entry(struct blame_entry *ent)
+static void found_guilty_entry(struct blame_entry *ent,
+ struct progress_info *pi)
{
if (incremental) {
struct origin *suspect = ent->suspect;
printf("%s %d %d %d\n",
- sha1_to_hex(suspect->commit->object.sha1),
+ oid_to_hex(&suspect->commit->object.oid),
ent->s_lno + 1, ent->lno + 1, ent->num_lines);
emit_one_suspect_detail(suspect, 0);
write_filename_info(suspect->path);
maybe_flush_or_die(stdout, "stdout");
}
+ pi->blamed_lines += ent->num_lines;
+ display_progress(pi->progress, pi->blamed_lines);
}
/*
@@ -1759,6 +1775,11 @@ static void assign_blame(struct scoreboard *sb, int opt)
{
struct rev_info *revs = sb->revs;
struct commit *commit = prio_queue_get(&sb->commits);
+ struct progress_info pi = { NULL, 0 };
+
+ if (show_progress)
+ pi.progress = start_progress_delay(_("Blaming lines"),
+ sb->num_lines, 50, 1);
while (commit) {
struct blame_entry *ent;
@@ -1800,7 +1821,7 @@ static void assign_blame(struct scoreboard *sb, int opt)
suspect->guilty = 1;
for (;;) {
struct blame_entry *next = ent->next;
- found_guilty_entry(ent);
+ found_guilty_entry(ent, &pi);
if (next) {
ent = next;
continue;
@@ -1816,6 +1837,8 @@ static void assign_blame(struct scoreboard *sb, int opt)
if (DEBUG) /* sanity */
sanity_check_refcnt(sb);
}
+
+ stop_progress(&pi.progress);
}
static const char *format_time(unsigned long time, const char *tz_str,
@@ -1832,7 +1855,7 @@ static const char *format_time(unsigned long time, const char *tz_str,
size_t time_width;
int tz;
tz = atoi(tz_str);
- time_str = show_date(time, tz, blame_date_mode);
+ time_str = show_date(time, tz, &blame_date_mode);
strbuf_addstr(&time_buf, time_str);
/*
* Add space paddings to time_buf to display a fixed width
@@ -1871,9 +1894,9 @@ static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent,
int cnt;
const char *cp;
struct origin *suspect = ent->suspect;
- char hex[41];
+ char hex[GIT_SHA1_HEXSZ + 1];
- strcpy(hex, sha1_to_hex(suspect->commit->object.sha1));
+ sha1_to_hex_r(hex, suspect->commit->object.oid.hash);
printf("%s %d %d %d\n",
hex,
ent->s_lno + 1,
@@ -1909,11 +1932,11 @@ static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt)
const char *cp;
struct origin *suspect = ent->suspect;
struct commit_info ci;
- char hex[41];
+ char hex[GIT_SHA1_HEXSZ + 1];
int show_raw_time = !!(opt & OUTPUT_RAW_TIMESTAMP);
get_commit_info(suspect->commit, &ci, 1);
- strcpy(hex, sha1_to_hex(suspect->commit->object.sha1));
+ sha1_to_hex_r(hex, suspect->commit->object.oid.hash);
cp = nth_line(sb, ent->lno);
for (cnt = 0; cnt < ent->num_lines; cnt++) {
@@ -2033,7 +2056,8 @@ static int prepare_lines(struct scoreboard *sb)
for (p = buf; p < end; p = get_next_line(p, end))
num++;
- sb->lineno = lineno = xmalloc(sizeof(*sb->lineno) * (num + 1));
+ ALLOC_ARRAY(sb->lineno, num + 1);
+ lineno = sb->lineno;
for (p = buf; p < end; p = get_next_line(p, end))
*lineno++ = p - buf;
@@ -2068,7 +2092,7 @@ static int read_ancestry(const char *graft_file)
static int update_auto_abbrev(int auto_abbrev, struct origin *suspect)
{
- const char *uniq = find_unique_abbrev(suspect->commit->object.sha1,
+ const char *uniq = find_unique_abbrev(suspect->commit->object.oid.hash,
auto_abbrev);
int len = strlen(uniq);
if (auto_abbrev < len)
@@ -2144,7 +2168,7 @@ static void sanity_check_refcnt(struct scoreboard *sb)
if (ent->suspect->refcnt <= 0) {
fprintf(stderr, "%s in %s has negative refcnt %d\n",
ent->suspect->path,
- sha1_to_hex(ent->suspect->commit->object.sha1),
+ oid_to_hex(&ent->suspect->commit->object.oid),
ent->suspect->refcnt);
baa = 1;
}
@@ -2181,10 +2205,18 @@ static int git_blame_config(const char *var, const char *value, void *cb)
blank_boundary = git_config_bool(var, value);
return 0;
}
+ if (!strcmp(var, "blame.showemail")) {
+ int *output_option = cb;
+ if (git_config_bool(var, value))
+ *output_option |= OUTPUT_SHOW_EMAIL;
+ else
+ *output_option &= ~OUTPUT_SHOW_EMAIL;
+ return 0;
+ }
if (!strcmp(var, "blame.date")) {
if (!value)
return config_error_nonbool(var);
- blame_date_mode = parse_date_format(value);
+ parse_date_format(value, &blame_date_mode);
return 0;
}
@@ -2197,9 +2229,10 @@ static int git_blame_config(const char *var, const char *value, void *cb)
static void verify_working_tree_path(struct commit *work_tree, const char *path)
{
struct commit_list *parents;
+ int pos;
for (parents = work_tree->parents; parents; parents = parents->next) {
- const unsigned char *commit_sha1 = parents->item->object.sha1;
+ const unsigned char *commit_sha1 = parents->item->object.oid.hash;
unsigned char blob_sha1[20];
unsigned mode;
@@ -2207,7 +2240,14 @@ static void verify_working_tree_path(struct commit *work_tree, const char *path)
sha1_object_info(blob_sha1, NULL) == OBJ_BLOB)
return;
}
- die("no such path '%s' in HEAD", path);
+
+ pos = cache_name_pos(path, strlen(path));
+ if (pos >= 0)
+ ; /* path is in the index */
+ else if (!strcmp(active_cache[-1 - pos]->name, path))
+ ; /* path is in the index, unmerged */
+ else
+ die("no such path '%s' in HEAD", path);
}
static struct commit_list **append_parent(struct commit_list **tail, const unsigned char *sha1)
@@ -2223,20 +2263,19 @@ static struct commit_list **append_parent(struct commit_list **tail, const unsig
static void append_merge_parents(struct commit_list **tail)
{
int merge_head;
- const char *merge_head_file = git_path("MERGE_HEAD");
struct strbuf line = STRBUF_INIT;
- merge_head = open(merge_head_file, O_RDONLY);
+ merge_head = open(git_path_merge_head(), O_RDONLY);
if (merge_head < 0) {
if (errno == ENOENT)
return;
- die("cannot open '%s' for reading", merge_head_file);
+ die("cannot open '%s' for reading", git_path_merge_head());
}
while (!strbuf_getwholeline_fd(&line, merge_head, '\n')) {
unsigned char sha1[20];
if (line.len < 40 || get_sha1_hex(line.buf, sha1))
- die("unknown line in '%s': %s", merge_head_file, line.buf);
+ die("unknown line in '%s': %s", git_path_merge_head(), line.buf);
tail = append_parent(tail, sha1);
}
close(merge_head);
@@ -2275,6 +2314,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
unsigned mode;
struct strbuf msg = STRBUF_INIT;
+ read_cache();
time(&now);
commit = alloc_commit_node();
commit->object.parsed = 1;
@@ -2294,7 +2334,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
strbuf_addstr(&msg, "tree 0000000000000000000000000000000000000000\n");
for (parent = commit->parents; parent; parent = parent->next)
strbuf_addf(&msg, "parent %s\n",
- sha1_to_hex(parent->item->object.sha1));
+ oid_to_hex(&parent->item->object.oid));
strbuf_addf(&msg,
"author %s\n"
"committer %s\n\n"
@@ -2376,42 +2416,41 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
ce->ce_mode = create_ce_mode(mode);
add_cache_entry(ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE);
- /*
- * We are not going to write this out, so this does not matter
- * right now, but someday we might optimize diff-index --cached
- * with cache-tree information.
- */
cache_tree_invalidate_path(&the_index, path);
return commit;
}
-static char *prepare_final(struct scoreboard *sb)
+static struct commit *find_single_final(struct rev_info *revs,
+ const char **name_p)
{
int i;
- const char *final_commit_name = NULL;
- struct rev_info *revs = sb->revs;
+ struct commit *found = NULL;
+ const char *name = NULL;
- /*
- * There must be one and only one positive commit in the
- * revs->pending array.
- */
for (i = 0; i < revs->pending.nr; i++) {
struct object *obj = revs->pending.objects[i].item;
if (obj->flags & UNINTERESTING)
continue;
- while (obj->type == OBJ_TAG)
- obj = deref_tag(obj, NULL, 0);
+ obj = deref_tag(obj, NULL, 0);
if (obj->type != OBJ_COMMIT)
die("Non commit %s?", revs->pending.objects[i].name);
- if (sb->final)
+ if (found)
die("More than one commit to dig from %s and %s?",
- revs->pending.objects[i].name,
- final_commit_name);
- sb->final = (struct commit *) obj;
- final_commit_name = revs->pending.objects[i].name;
+ revs->pending.objects[i].name, name);
+ found = (struct commit *)obj;
+ name = revs->pending.objects[i].name;
}
- return xstrdup_or_null(final_commit_name);
+ if (name_p)
+ *name_p = name;
+ return found;
+}
+
+static char *prepare_final(struct scoreboard *sb)
+{
+ const char *name;
+ sb->final = find_single_final(sb->revs, &name);
+ return xstrdup_or_null(name);
}
static char *prepare_initial(struct scoreboard *sb)
@@ -2428,8 +2467,7 @@ static char *prepare_initial(struct scoreboard *sb)
struct object *obj = revs->pending.objects[i].item;
if (!(obj->flags & UNINTERESTING))
continue;
- while (obj->type == OBJ_TAG)
- obj = deref_tag(obj, NULL, 0);
+ obj = deref_tag(obj, NULL, 0);
if (obj->type != OBJ_COMMIT)
die("Non commit %s?", revs->pending.objects[i].name);
if (sb->final)
@@ -2487,17 +2525,19 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
long dashdash_pos, lno;
char *final_commit_name = NULL;
enum object_type type;
-
- static struct string_list range_list;
- static int output_option = 0, opt = 0;
- static int show_stats = 0;
- static const char *revs_file = NULL;
- static const char *contents_from = NULL;
- static const struct option options[] = {
+ struct commit *final_commit = NULL;
+
+ struct string_list range_list = STRING_LIST_INIT_NODUP;
+ int output_option = 0, opt = 0;
+ int show_stats = 0;
+ const char *revs_file = NULL;
+ const char *contents_from = NULL;
+ const struct option options[] = {
OPT_BOOL(0, "incremental", &incremental, N_("Show blame entries as we find them, incrementally")),
OPT_BOOL('b', NULL, &blank_boundary, N_("Show blank SHA-1 for boundary commits (Default: off)")),
OPT_BOOL(0, "root", &show_root, N_("Do not treat root commits as boundaries (Default: off)")),
OPT_BOOL(0, "show-stats", &show_stats, N_("Show work cost statistics")),
+ OPT_BOOL(0, "progress", &show_progress, N_("Force progress reporting")),
OPT_BIT(0, "score-debug", &output_option, N_("Show output score for blame entries"), OUTPUT_SHOW_SCORE),
OPT_BIT('f', "show-name", &output_option, N_("Show original filename (Default: auto)"), OUTPUT_SHOW_NAME),
OPT_BIT('n', "show-number", &output_option, N_("Show original linenumber (Default: off)"), OUTPUT_SHOW_NUMBER),
@@ -2525,7 +2565,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
unsigned int range_i;
long anchor;
- git_config(git_blame_config, NULL);
+ git_config(git_blame_config, &output_option);
init_revisions(&revs, NULL);
revs.date_mode = blame_date_mode;
DIFF_OPT_SET(&revs.diffopt, ALLOW_TEXTCONV);
@@ -2533,6 +2573,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
save_commit_buffer = 0;
dashdash_pos = 0;
+ show_progress = -1;
parse_options_start(&ctx, argc, argv, prefix, options,
PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_ARGV0);
@@ -2557,6 +2598,13 @@ parse_done:
DIFF_OPT_CLR(&revs.diffopt, FOLLOW_RENAMES);
argc = parse_options_end(&ctx);
+ if (incremental || (output_option & OUTPUT_PORCELAIN)) {
+ if (show_progress > 0)
+ die("--progress can't be used with --incremental or porcelain formats");
+ show_progress = 0;
+ } else if (show_progress < 0)
+ show_progress = isatty(2);
+
if (0 < abbrev)
/* one more abbrev length is needed for the boundary commit */
abbrev++;
@@ -2566,13 +2614,13 @@ parse_done:
if (cmd_is_annotate) {
output_option |= OUTPUT_ANNOTATE_COMPAT;
- blame_date_mode = DATE_ISO8601;
+ blame_date_mode.type = DATE_ISO8601;
} else {
blame_date_mode = revs.date_mode;
}
/* The maximum width used to show the dates */
- switch (blame_date_mode) {
+ switch (blame_date_mode.type) {
case DATE_RFC2822:
blame_date_width = sizeof("Thu, 19 Oct 2006 16:00:04 -0700");
break;
@@ -2585,6 +2633,9 @@ parse_done:
case DATE_RAW:
blame_date_width = sizeof("1161298804 -0700");
break;
+ case DATE_UNIX:
+ blame_date_width = sizeof("1161298804");
+ break;
case DATE_SHORT:
blame_date_width = sizeof("2006-10-19");
break;
@@ -2597,10 +2648,12 @@ parse_done:
fewer display columns. */
blame_date_width = utf8_strwidth(_("4 years, 11 months ago")) + 1; /* add the null */
break;
- case DATE_LOCAL:
case DATE_NORMAL:
blame_date_width = sizeof("Thu Oct 19 16:00:04 2006 -0700");
break;
+ case DATE_STRFTIME:
+ blame_date_width = strlen(show_date(0, 0, &blame_date_mode)) + 1; /* add the null */
+ break;
}
blame_date_width -= 1; /* strip the null */
@@ -2673,10 +2726,12 @@ parse_done:
sb.commits.compare = compare_commits_by_commit_date;
}
else if (contents_from)
- die("--contents and --children do not blend well.");
+ die("--contents and --reverse do not blend well.");
else {
final_commit_name = prepare_initial(&sb);
sb.commits.compare = compare_commits_by_reverse_commit_date;
+ if (revs.first_parent_only)
+ revs.children.name = NULL;
}
if (!sb.final) {
@@ -2693,6 +2748,12 @@ parse_done:
else if (contents_from)
die("Cannot use --contents with final commit object name");
+ if (reverse && revs.first_parent_only) {
+ final_commit = find_single_final(sb.revs, NULL);
+ if (!final_commit)
+ die("--reverse and --first-parent together require specified latest commit");
+ }
+
/*
* If we have bottom, this will mark the ancestors of the
* bottom commits we would reach while traversing as
@@ -2701,7 +2762,26 @@ parse_done:
if (prepare_revision_walk(&revs))
die(_("revision walk setup failed"));
- if (is_null_sha1(sb.final->object.sha1)) {
+ if (reverse && revs.first_parent_only) {
+ struct commit *c = final_commit;
+
+ sb.revs->children.name = "children";
+ while (c->parents &&
+ oidcmp(&c->object.oid, &sb.final->object.oid)) {
+ struct commit_list *l = xcalloc(1, sizeof(*l));
+
+ l->item = c;
+ if (add_decoration(&sb.revs->children,
+ &c->parents->item->object, l))
+ die("BUG: not unique item in first-parent chain");
+ c = c->parents->item;
+ }
+
+ if (oidcmp(&c->object.oid, &sb.final->object.oid))
+ die("--reverse --first-parent together require range along first-parent chain");
+ }
+
+ if (is_null_oid(&sb.final->object.oid)) {
o = sb.final->util;
sb.final_buf = xmemdupz(o->file.ptr, o->file.size);
sb.final_buf_size = o->file.size;
@@ -2728,7 +2808,7 @@ parse_done:
lno = prepare_lines(&sb);
if (lno && !range_list.nr)
- string_list_append(&range_list, xstrdup("1"));
+ string_list_append(&range_list, "1");
anchor = 1;
range_set_init(&ranges, range_list.nr);
@@ -2777,11 +2857,11 @@ parse_done:
read_mailmap(&mailmap, NULL);
+ assign_blame(&sb, opt);
+
if (!incremental)
setup_pager();
- assign_blame(&sb, opt);
-
free(final_commit_name);
if (incremental)