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Diffstat (limited to 'builtin/log.c')
-rw-r--r--builtin/log.c276
1 files changed, 233 insertions, 43 deletions
diff --git a/builtin/log.c b/builtin/log.c
index 0d738d6ddc..fd1652f52b 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -33,6 +33,7 @@ static const char *default_date_mode = NULL;
static int default_abbrev_commit;
static int default_show_root = 1;
static int default_follow;
+static int default_show_signature;
static int decoration_style;
static int decoration_given;
static int use_mailmap_config;
@@ -100,6 +101,12 @@ static int log_line_range_callback(const struct option *option, const char *arg,
return 0;
}
+static void init_log_defaults(void)
+{
+ init_grep_defaults();
+ init_diff_ui_defaults();
+}
+
static void cmd_log_init_defaults(struct rev_info *rev)
{
if (fmt_pretty)
@@ -113,6 +120,7 @@ static void cmd_log_init_defaults(struct rev_info *rev)
rev->abbrev_commit = default_abbrev_commit;
rev->show_root_diff = default_show_root;
rev->subject_prefix = fmt_patch_subject_prefix;
+ rev->show_signature = default_show_signature;
DIFF_OPT_SET(&rev->diffopt, ALLOW_TEXTCONV);
if (default_date_mode)
@@ -230,16 +238,17 @@ static void show_early_header(struct rev_info *rev, const char *stage, int nr)
if (rev->commit_format != CMIT_FMT_ONELINE)
putchar(rev->diffopt.line_termination);
}
- printf(_("Final output: %d %s\n"), nr, stage);
+ fprintf(rev->diffopt.file, _("Final output: %d %s\n"), nr, stage);
}
static struct itimerval early_output_timer;
static void log_show_early(struct rev_info *revs, struct commit_list *list)
{
- int i = revs->early_output;
+ int i = revs->early_output, close_file = revs->diffopt.close_file;
int show_header = 1;
+ revs->diffopt.close_file = 0;
sort_in_topological_order(&list, revs->sort_order);
while (list && i) {
struct commit *commit = list->item;
@@ -256,14 +265,19 @@ static void log_show_early(struct rev_info *revs, struct commit_list *list)
case commit_ignore:
break;
case commit_error:
+ if (close_file)
+ fclose(revs->diffopt.file);
return;
}
list = list->next;
}
/* Did we already get enough commits for the early output? */
- if (!i)
+ if (!i) {
+ if (close_file)
+ fclose(revs->diffopt.file);
return;
+ }
/*
* ..if no, then repeat it twice a second until we
@@ -325,7 +339,7 @@ static int cmd_log_walk(struct rev_info *rev)
{
struct commit *commit;
int saved_nrl = 0;
- int saved_dcctc = 0;
+ int saved_dcctc = 0, close_file = rev->diffopt.close_file;
if (rev->early_output)
setup_early_output(rev);
@@ -341,6 +355,7 @@ static int cmd_log_walk(struct rev_info *rev)
* and HAS_CHANGES being accumulated in rev->diffopt, so be careful to
* retain that state information if replacing rev->diffopt in this loop
*/
+ rev->diffopt.close_file = 0;
while ((commit = get_revision(rev)) != NULL) {
if (!log_tree_commit(rev, commit) && rev->max_count >= 0)
/*
@@ -361,6 +376,8 @@ static int cmd_log_walk(struct rev_info *rev)
}
rev->diffopt.degraded_cc_to_c = saved_dcctc;
rev->diffopt.needed_rename_limit = saved_nrl;
+ if (close_file)
+ fclose(rev->diffopt.file);
if (rev->diffopt.output_format & DIFF_FORMAT_CHECKDIFF &&
DIFF_OPT_TST(&rev->diffopt, CHECK_FAILED)) {
@@ -403,6 +420,10 @@ static int git_log_config(const char *var, const char *value, void *cb)
use_mailmap_config = git_config_bool(var, value);
return 0;
}
+ if (!strcmp(var, "log.showsignature")) {
+ default_show_signature = git_config_bool(var, value);
+ return 0;
+ }
if (grep_config(var, value, cb) < 0)
return -1;
@@ -416,7 +437,7 @@ int cmd_whatchanged(int argc, const char **argv, const char *prefix)
struct rev_info rev;
struct setup_revision_opt opt;
- init_grep_defaults();
+ init_log_defaults();
git_config(git_log_config, NULL);
init_revisions(&rev, prefix);
@@ -439,7 +460,7 @@ static void show_tagger(char *buf, int len, struct rev_info *rev)
pp.fmt = rev->commit_format;
pp.date_mode = rev->date_mode;
pp_user_info(&pp, "Tagger", &out, buf, get_log_output_encoding());
- printf("%s", out.buf);
+ fprintf(rev->diffopt.file, "%s", out.buf);
strbuf_release(&out);
}
@@ -450,7 +471,7 @@ static int show_blob_object(const unsigned char *sha1, struct rev_info *rev, con
char *buf;
unsigned long size;
- fflush(stdout);
+ fflush(rev->diffopt.file);
if (!DIFF_OPT_TOUCHED(&rev->diffopt, ALLOW_TEXTCONV) ||
!DIFF_OPT_TST(&rev->diffopt, ALLOW_TEXTCONV))
return stream_blob_to_fd(1, sha1, NULL, 0);
@@ -490,7 +511,7 @@ static int show_tag_object(const unsigned char *sha1, struct rev_info *rev)
}
if (offset < size)
- fwrite(buf + offset, size - offset, 1, stdout);
+ fwrite(buf + offset, size - offset, 1, rev->diffopt.file);
free(buf);
return 0;
}
@@ -499,7 +520,8 @@ static int show_tree_object(const unsigned char *sha1,
struct strbuf *base,
const char *pathname, unsigned mode, int stage, void *context)
{
- printf("%s%s\n", pathname, S_ISDIR(mode) ? "/" : "");
+ FILE *file = context;
+ fprintf(file, "%s%s\n", pathname, S_ISDIR(mode) ? "/" : "");
return 0;
}
@@ -527,7 +549,7 @@ int cmd_show(int argc, const char **argv, const char *prefix)
struct pathspec match_all;
int i, count, ret = 0;
- init_grep_defaults();
+ init_log_defaults();
git_config(git_log_config, NULL);
memset(&match_all, 0, sizeof(match_all));
@@ -559,7 +581,7 @@ int cmd_show(int argc, const char **argv, const char *prefix)
if (rev.shown_one)
putchar('\n');
- printf("%stag %s%s\n",
+ fprintf(rev.diffopt.file, "%stag %s%s\n",
diff_get_color_opt(&rev.diffopt, DIFF_COMMIT),
t->tag,
diff_get_color_opt(&rev.diffopt, DIFF_RESET));
@@ -578,12 +600,12 @@ int cmd_show(int argc, const char **argv, const char *prefix)
case OBJ_TREE:
if (rev.shown_one)
putchar('\n');
- printf("%stree %s%s\n\n",
+ fprintf(rev.diffopt.file, "%stree %s%s\n\n",
diff_get_color_opt(&rev.diffopt, DIFF_COMMIT),
name,
diff_get_color_opt(&rev.diffopt, DIFF_RESET));
read_tree_recursive((struct tree *)o, "", 0, 0, &match_all,
- show_tree_object, NULL);
+ show_tree_object, rev.diffopt.file);
rev.shown_one = 1;
break;
case OBJ_COMMIT:
@@ -608,7 +630,7 @@ int cmd_log_reflog(int argc, const char **argv, const char *prefix)
struct rev_info rev;
struct setup_revision_opt opt;
- init_grep_defaults();
+ init_log_defaults();
git_config(git_log_config, NULL);
init_revisions(&rev, prefix);
@@ -647,7 +669,7 @@ int cmd_log(int argc, const char **argv, const char *prefix)
struct rev_info rev;
struct setup_revision_opt opt;
- init_grep_defaults();
+ init_log_defaults();
git_config(git_log_config, NULL);
init_revisions(&rev, prefix);
@@ -668,9 +690,9 @@ static int auto_number = 1;
static char *default_attach = NULL;
-static struct string_list extra_hdr;
-static struct string_list extra_to;
-static struct string_list extra_cc;
+static struct string_list extra_hdr = STRING_LIST_INIT_NODUP;
+static struct string_list extra_to = STRING_LIST_INIT_NODUP;
+static struct string_list extra_cc = STRING_LIST_INIT_NODUP;
static void add_header(const char *value)
{
@@ -696,6 +718,7 @@ static void add_header(const char *value)
#define THREAD_DEEP 2
static int thread;
static int do_signoff;
+static int base_auto;
static const char *signature = git_version_string;
static const char *signature_file;
static int config_cover_letter;
@@ -780,15 +803,18 @@ static int git_format_config(const char *var, const char *value, void *cb)
}
if (!strcmp(var, "format.outputdirectory"))
return git_config_string(&config_output_directory, var, value);
+ if (!strcmp(var, "format.useautobase")) {
+ base_auto = git_config_bool(var, value);
+ return 0;
+ }
return git_log_config(var, value, cb);
}
-static FILE *realstdout = NULL;
static const char *output_directory = NULL;
static int outdir_offset;
-static int reopen_stdout(struct commit *commit, const char *subject,
+static int open_next_file(struct commit *commit, const char *subject,
struct rev_info *rev, int quiet)
{
struct strbuf filename = STRBUF_INIT;
@@ -810,9 +836,9 @@ static int reopen_stdout(struct commit *commit, const char *subject,
fmt_output_subject(&filename, subject, rev);
if (!quiet)
- fprintf(realstdout, "%s\n", filename.buf + outdir_offset);
+ printf("%s\n", filename.buf + outdir_offset);
- if (freopen(filename.buf, "w", stdout) == NULL)
+ if ((rev->diffopt.file = fopen(filename.buf, "w")) == NULL)
return error(_("Cannot open patch file %s"), filename.buf);
strbuf_release(&filename);
@@ -871,15 +897,15 @@ static void gen_message_id(struct rev_info *info, char *base)
info->message_id = strbuf_detach(&buf, NULL);
}
-static void print_signature(void)
+static void print_signature(FILE *file)
{
if (!signature || !*signature)
return;
- printf("-- \n%s", signature);
+ fprintf(file, "-- \n%s", signature);
if (signature[strlen(signature)-1] != '\n')
- putchar('\n');
- putchar('\n');
+ putc('\n', file);
+ putc('\n', file);
}
static void add_branch_description(struct strbuf *buf, const char *branch_name)
@@ -942,13 +968,13 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
struct pretty_print_context pp = {0};
struct commit *head = list[0];
- if (rev->commit_format != CMIT_FMT_EMAIL)
+ if (!cmit_fmt_is_mail(rev->commit_format))
die(_("Cover letter needs email format"));
committer = git_committer_info(0);
if (!use_stdout &&
- reopen_stdout(NULL, rev->numbered_files ? NULL : "cover-letter", rev, quiet))
+ open_next_file(NULL, rev->numbered_files ? NULL : "cover-letter", rev, quiet))
return;
log_write_email_headers(rev, head, &pp.subject, &pp.after_subject,
@@ -971,7 +997,7 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
pp_title_line(&pp, &msg, &sb, encoding, need_8bit_cte);
pp_remainder(&pp, &msg, &sb, 0);
add_branch_description(&sb, branch_name);
- printf("%s\n", sb.buf);
+ fprintf(rev->diffopt.file, "%s\n", sb.buf);
strbuf_release(&sb);
@@ -980,6 +1006,7 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
log.wrap = 72;
log.in1 = 2;
log.in2 = 4;
+ log.file = rev->diffopt.file;
for (i = 0; i < nr; i++)
shortlog_add_commit(&log, list[i]);
@@ -1002,8 +1029,8 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
diffcore_std(&opts);
diff_flush(&opts);
- printf("\n");
- print_signature();
+ fprintf(rev->diffopt.file, "\n");
+ print_signature(rev->diffopt.file);
}
static const char *clean_message_id(const char *msg_id)
@@ -1185,6 +1212,155 @@ static int from_callback(const struct option *opt, const char *arg, int unset)
return 0;
}
+struct base_tree_info {
+ struct object_id base_commit;
+ int nr_patch_id, alloc_patch_id;
+ struct object_id *patch_id;
+};
+
+static struct commit *get_base_commit(const char *base_commit,
+ struct commit **list,
+ int total)
+{
+ struct commit *base = NULL;
+ struct commit **rev;
+ int i = 0, rev_nr = 0;
+
+ if (base_commit && strcmp(base_commit, "auto")) {
+ base = lookup_commit_reference_by_name(base_commit);
+ if (!base)
+ die(_("Unknown commit %s"), base_commit);
+ } else if ((base_commit && !strcmp(base_commit, "auto")) || base_auto) {
+ struct branch *curr_branch = branch_get(NULL);
+ const char *upstream = branch_get_upstream(curr_branch, NULL);
+ if (upstream) {
+ struct commit_list *base_list;
+ struct commit *commit;
+ unsigned char sha1[20];
+
+ if (get_sha1(upstream, sha1))
+ die(_("Failed to resolve '%s' as a valid ref."), upstream);
+ commit = lookup_commit_or_die(sha1, "upstream base");
+ base_list = get_merge_bases_many(commit, total, list);
+ /* There should be one and only one merge base. */
+ if (!base_list || base_list->next)
+ die(_("Could not find exact merge base."));
+ base = base_list->item;
+ free_commit_list(base_list);
+ } else {
+ die(_("Failed to get upstream, if you want to record base commit automatically,\n"
+ "please use git branch --set-upstream-to to track a remote branch.\n"
+ "Or you could specify base commit by --base=<base-commit-id> manually."));
+ }
+ }
+
+ ALLOC_ARRAY(rev, total);
+ for (i = 0; i < total; i++)
+ rev[i] = list[i];
+
+ rev_nr = total;
+ /*
+ * Get merge base through pair-wise computations
+ * and store it in rev[0].
+ */
+ while (rev_nr > 1) {
+ for (i = 0; i < rev_nr / 2; i++) {
+ struct commit_list *merge_base;
+ merge_base = get_merge_bases(rev[2 * i], rev[2 * i + 1]);
+ if (!merge_base || merge_base->next)
+ die(_("Failed to find exact merge base"));
+
+ rev[i] = merge_base->item;
+ }
+
+ if (rev_nr % 2)
+ rev[i] = rev[2 * i];
+ rev_nr = (rev_nr + 1) / 2;
+ }
+
+ if (!in_merge_bases(base, rev[0]))
+ die(_("base commit should be the ancestor of revision list"));
+
+ for (i = 0; i < total; i++) {
+ if (base == list[i])
+ die(_("base commit shouldn't be in revision list"));
+ }
+
+ free(rev);
+ return base;
+}
+
+static void prepare_bases(struct base_tree_info *bases,
+ struct commit *base,
+ struct commit **list,
+ int total)
+{
+ struct commit *commit;
+ struct rev_info revs;
+ struct diff_options diffopt;
+ int i;
+
+ if (!base)
+ return;
+
+ diff_setup(&diffopt);
+ DIFF_OPT_SET(&diffopt, RECURSIVE);
+ diff_setup_done(&diffopt);
+
+ oidcpy(&bases->base_commit, &base->object.oid);
+
+ init_revisions(&revs, NULL);
+ revs.max_parents = 1;
+ revs.topo_order = 1;
+ for (i = 0; i < total; i++) {
+ list[i]->object.flags &= ~UNINTERESTING;
+ add_pending_object(&revs, &list[i]->object, "rev_list");
+ list[i]->util = (void *)1;
+ }
+ base->object.flags |= UNINTERESTING;
+ add_pending_object(&revs, &base->object, "base");
+
+ if (prepare_revision_walk(&revs))
+ die(_("revision walk setup failed"));
+ /*
+ * Traverse the commits list, get prerequisite patch ids
+ * and stuff them in bases structure.
+ */
+ while ((commit = get_revision(&revs)) != NULL) {
+ unsigned char sha1[20];
+ struct object_id *patch_id;
+ if (commit->util)
+ continue;
+ if (commit_patch_id(commit, &diffopt, sha1))
+ die(_("cannot get patch id"));
+ ALLOC_GROW(bases->patch_id, bases->nr_patch_id + 1, bases->alloc_patch_id);
+ patch_id = bases->patch_id + bases->nr_patch_id;
+ hashcpy(patch_id->hash, sha1);
+ bases->nr_patch_id++;
+ }
+}
+
+static void print_bases(struct base_tree_info *bases, FILE *file)
+{
+ int i;
+
+ /* Only do this once, either for the cover or for the first one */
+ if (is_null_oid(&bases->base_commit))
+ return;
+
+ /* Show the base commit */
+ fprintf(file, "base-commit: %s\n", oid_to_hex(&bases->base_commit));
+
+ /* Show the prerequisite patches */
+ for (i = bases->nr_patch_id - 1; i >= 0; i--)
+ fprintf(file, "prerequisite-patch-id: %s\n", oid_to_hex(&bases->patch_id[i]));
+
+ free(bases->patch_id);
+ bases->nr_patch_id = 0;
+ bases->alloc_patch_id = 0;
+ oidclr(&bases->base_commit);
+}
+
int cmd_format_patch(int argc, const char **argv, const char *prefix)
{
struct commit *commit;
@@ -1209,6 +1385,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
int reroll_count = -1;
char *branch_name = NULL;
char *from = NULL;
+ char *base_commit = NULL;
+ struct base_tree_info bases;
+
const struct option builtin_format_patch_options[] = {
{ OPTION_CALLBACK, 'n', "numbered", &numbered, NULL,
N_("use [PATCH n/m] even with a single patch"),
@@ -1271,6 +1450,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
PARSE_OPT_OPTARG, thread_callback },
OPT_STRING(0, "signature", &signature, N_("signature"),
N_("add a signature")),
+ OPT_STRING(0, "base", &base_commit, N_("base-commit"),
+ N_("add prerequisite tree info to the patch series")),
OPT_FILENAME(0, "signature-file", &signature_file,
N_("add a signature from a file")),
OPT__QUIET(&quiet, N_("don't print the patch filenames")),
@@ -1280,10 +1461,11 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
extra_hdr.strdup_strings = 1;
extra_to.strdup_strings = 1;
extra_cc.strdup_strings = 1;
- init_grep_defaults();
+ init_log_defaults();
git_config(git_format_config, NULL);
init_revisions(&rev, prefix);
rev.commit_format = CMIT_FMT_EMAIL;
+ rev.expand_tabs_in_log_default = 0;
rev.verbose_header = 1;
rev.diff = 1;
rev.max_parents = 1;
@@ -1403,6 +1585,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
setup_pager();
if (output_directory) {
+ if (rev.diffopt.use_color != GIT_COLOR_ALWAYS)
+ rev.diffopt.use_color = GIT_COLOR_NEVER;
if (use_stdout)
die(_("standard output, or directory, which one?"));
if (mkdir(output_directory, 0777) < 0 && errno != EEXIST)
@@ -1460,9 +1644,6 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
get_patch_ids(&rev, &ids);
}
- if (!use_stdout)
- realstdout = xfdopen(xdup(1), "w");
-
if (prepare_revision_walk(&rev))
die(_("revision walk setup failed"));
rev.boundary = 1;
@@ -1507,6 +1688,13 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
signature = strbuf_detach(&buf, NULL);
}
+ memset(&bases, 0, sizeof(bases));
+ if (base_commit || base_auto) {
+ struct commit *base = get_base_commit(base_commit, list, nr);
+ reset_revision_walk();
+ prepare_bases(&bases, base, list, nr);
+ }
+
if (in_reply_to || thread || cover_letter)
rev.ref_message_ids = xcalloc(1, sizeof(struct string_list));
if (in_reply_to) {
@@ -1520,6 +1708,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
gen_message_id(&rev, "cover");
make_cover_letter(&rev, use_stdout,
origin, nr, list, branch_name, quiet);
+ print_bases(&bases, rev.diffopt.file);
total++;
start_number--;
}
@@ -1565,7 +1754,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
}
if (!use_stdout &&
- reopen_stdout(rev.numbered_files ? NULL : commit, NULL, &rev, quiet))
+ open_next_file(rev.numbered_files ? NULL : commit, NULL, &rev, quiet))
die(_("Failed to create output files"));
shown = log_tree_commit(&rev, commit);
free_commit_buffer(commit);
@@ -1580,14 +1769,15 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
rev.shown_one = 0;
if (shown) {
if (rev.mime_boundary)
- printf("\n--%s%s--\n\n\n",
+ fprintf(rev.diffopt.file, "\n--%s%s--\n\n\n",
mime_boundary_leader,
rev.mime_boundary);
else
- print_signature();
+ print_signature(rev.diffopt.file);
+ print_bases(&bases, rev.diffopt.file);
}
if (!use_stdout)
- fclose(stdout);
+ fclose(rev.diffopt.file);
}
free(list);
free(branch_name);
@@ -1619,15 +1809,15 @@ static const char * const cherry_usage[] = {
};
static void print_commit(char sign, struct commit *commit, int verbose,
- int abbrev)
+ int abbrev, FILE *file)
{
if (!verbose) {
- printf("%c %s\n", sign,
+ fprintf(file, "%c %s\n", sign,
find_unique_abbrev(commit->object.oid.hash, abbrev));
} else {
struct strbuf buf = STRBUF_INIT;
pp_commit_easy(CMIT_FMT_ONELINE, commit, &buf);
- printf("%c %s %s\n", sign,
+ fprintf(file, "%c %s %s\n", sign,
find_unique_abbrev(commit->object.oid.hash, abbrev),
buf.buf);
strbuf_release(&buf);
@@ -1708,7 +1898,7 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
commit = list->item;
if (has_commit_patch_id(commit, &ids))
sign = '-';
- print_commit(sign, commit, verbose, abbrev);
+ print_commit(sign, commit, verbose, abbrev, revs.diffopt.file);
list = list->next;
}