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-rw-r--r--builtin/commit.c (renamed from builtin-commit.c)110
1 files changed, 90 insertions, 20 deletions
diff --git a/builtin-commit.c b/builtin/commit.c
index f4c73442cf..80c621dc06 100644
--- a/builtin-commit.c
+++ b/builtin/commit.c
@@ -48,6 +48,11 @@ static const char implicit_ident_advice[] =
"\n"
" git commit --amend --author='Your Name <you@example.com>'\n";
+static const char empty_amend_advice[] =
+"You asked to amend the most recent commit, but doing so would make\n"
+"it empty. You can repeat your command with --allow-empty, or you can\n"
+"remove the commit entirely with \"git reset HEAD^\".\n";
+
static unsigned char head_sha1[20];
static char *use_message_buffer;
@@ -66,6 +71,7 @@ static char *edit_message, *use_message;
static char *author_name, *author_email, *author_date;
static int all, edit_flag, also, interactive, only, amend, signoff;
static int quiet, verbose, no_verify, allow_empty, dry_run, renew_authorship;
+static int no_post_rewrite;
static char *untracked_files_arg, *force_date;
/*
* The default commit message cleanup mode will remove the lines
@@ -137,6 +143,7 @@ static struct option builtin_commit_options[] = {
OPT_BOOLEAN('z', "null", &null_termination,
"terminate entries with NUL"),
OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"),
+ OPT_BOOLEAN(0, "no-post-rewrite", &no_post_rewrite, "bypass post-rewrite hook"),
{ OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, "mode", "show untracked files, optional modes: all, normal, no. (Default: all)", PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
OPT_BOOLEAN(0, "allow-empty", &allow_empty, "ok to record an empty change"),
/* end commit contents options */
@@ -305,7 +312,7 @@ static char *prepare_index(int argc, const char **argv, const char *prefix, int
* (B) on failure, rollback the real index.
*/
if (all || (also && pathspec && *pathspec)) {
- int fd = hold_locked_index(&index_lock, 1);
+ fd = hold_locked_index(&index_lock, 1);
add_files_to_cache(also ? prefix : NULL, pathspec, 0);
refresh_cache_or_die(refresh_flags);
if (write_cache(fd, active_cache, active_nr) ||
@@ -320,8 +327,8 @@ static char *prepare_index(int argc, const char **argv, const char *prefix, int
*
* (1) return the name of the real index file.
*
- * The caller should run hooks on the real index, and run
- * hooks on the real index, and create commit from the_index.
+ * The caller should run hooks on the real index,
+ * and create commit from the_index.
* We still need to refresh the index here.
*/
if (!pathspec || !*pathspec) {
@@ -453,15 +460,21 @@ static void determine_author_info(void)
if (!a)
die("invalid commit: %s", use_message);
- lb = strstr(a + 8, " <");
- rb = strstr(a + 8, "> ");
- eol = strchr(a + 8, '\n');
- if (!lb || !rb || !eol)
+ lb = strchrnul(a + strlen("\nauthor "), '<');
+ rb = strchrnul(lb, '>');
+ eol = strchrnul(rb, '\n');
+ if (!*lb || !*rb || !*eol)
die("invalid commit: %s", use_message);
- name = xstrndup(a + 8, lb - (a + 8));
- email = xstrndup(lb + 2, rb - (lb + 2));
- date = xstrndup(rb + 2, eol - (rb + 2));
+ if (lb == a + strlen("\nauthor "))
+ /* \nauthor <foo@example.com> */
+ name = xcalloc(1, 1);
+ else
+ name = xmemdupz(a + strlen("\nauthor "),
+ (lb - strlen(" ") -
+ (a + strlen("\nauthor "))));
+ email = xmemdupz(lb + strlen("<"), rb - (lb + strlen("<")));
+ date = xmemdupz(rb + strlen("> "), eol - (rb + strlen("> ")));
}
if (force_author) {
@@ -691,6 +704,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
if (!commitable && !in_merge && !allow_empty &&
!(amend && is_a_merge(head_sha1))) {
run_status(stdout, index_file, prefix, 0, s);
+ if (amend)
+ fputs(empty_amend_advice, stderr);
return 0;
}
@@ -1015,6 +1030,7 @@ static int git_status_config(const char *k, const char *v, void *cb)
int cmd_status(int argc, const char **argv, const char *prefix)
{
struct wt_status s;
+ int fd;
unsigned char sha1[20];
static struct option builtin_status_options[] = {
OPT__VERBOSE(&verbose),
@@ -1048,6 +1064,14 @@ int cmd_status(int argc, const char **argv, const char *prefix)
read_cache_preload(s.pathspec);
refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, s.pathspec, NULL, NULL);
+
+ fd = hold_locked_index(&index_lock, 0);
+ if (0 <= fd) {
+ if (!write_cache(fd, active_cache, active_nr))
+ commit_locked_index(&index_lock);
+ rollback_lock_file(&index_lock);
+ }
+
s.is_initial = get_sha1(s.reference, sha1) ? 1 : 0;
s.in_merge = in_merge;
wt_status_collect(&s);
@@ -1136,13 +1160,11 @@ static void print_summary(const char *prefix, const unsigned char *sha1)
initial_commit ? " (root-commit)" : "");
if (!log_tree_commit(&rev, commit)) {
- struct pretty_print_context ctx = {0};
- struct strbuf buf = STRBUF_INIT;
- ctx.date_mode = DATE_NORMAL;
- format_commit_message(commit, format.buf + 7, &buf, &ctx);
- printf("%s\n", buf.buf);
- strbuf_release(&buf);
+ rev.always_show_header = 1;
+ rev.use_terminator = 1;
+ log_tree_commit(&rev, commit);
}
+
strbuf_release(&format);
}
@@ -1160,6 +1182,40 @@ static int git_commit_config(const char *k, const char *v, void *cb)
return git_status_config(k, v, s);
}
+static const char post_rewrite_hook[] = "hooks/post-rewrite";
+
+static int run_rewrite_hook(const unsigned char *oldsha1,
+ const unsigned char *newsha1)
+{
+ /* oldsha1 SP newsha1 LF NUL */
+ static char buf[2*40 + 3];
+ struct child_process proc;
+ const char *argv[3];
+ int code;
+ size_t n;
+
+ if (access(git_path(post_rewrite_hook), X_OK) < 0)
+ return 0;
+
+ argv[0] = git_path(post_rewrite_hook);
+ argv[1] = "amend";
+ argv[2] = NULL;
+
+ memset(&proc, 0, sizeof(proc));
+ proc.argv = argv;
+ proc.in = -1;
+ proc.stdout_to_stderr = 1;
+
+ code = start_command(&proc);
+ if (code)
+ return code;
+ n = snprintf(buf, sizeof(buf), "%s %s\n",
+ sha1_to_hex(oldsha1), sha1_to_hex(newsha1));
+ write_in_full(proc.in, buf, n);
+ close(proc.in);
+ return finish_command(&proc);
+}
+
int cmd_commit(int argc, const char **argv, const char *prefix)
{
struct strbuf sb = STRBUF_INIT;
@@ -1196,13 +1252,16 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
}
/* Determine parents */
+ reflog_msg = getenv("GIT_REFLOG_ACTION");
if (initial_commit) {
- reflog_msg = "commit (initial)";
+ if (!reflog_msg)
+ reflog_msg = "commit (initial)";
} else if (amend) {
struct commit_list *c;
struct commit *commit;
- reflog_msg = "commit (amend)";
+ if (!reflog_msg)
+ reflog_msg = "commit (amend)";
commit = lookup_commit(head_sha1);
if (!commit || parse_commit(commit))
die("could not parse HEAD commit");
@@ -1213,7 +1272,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
struct strbuf m = STRBUF_INIT;
FILE *fp;
- reflog_msg = "commit (merge)";
+ if (!reflog_msg)
+ reflog_msg = "commit (merge)";
pptr = &commit_list_insert(lookup_commit(head_sha1), pptr)->next;
fp = fopen(git_path("MERGE_HEAD"), "r");
if (fp == NULL)
@@ -1236,7 +1296,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
if (allow_fast_forward)
parents = reduce_heads(parents);
} else {
- reflog_msg = "commit";
+ if (!reflog_msg)
+ reflog_msg = "commit";
pptr = &commit_list_insert(lookup_commit(head_sha1), pptr)->next;
}
@@ -1303,6 +1364,15 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
rerere(0);
run_hook(get_index_file(), "post-commit", NULL);
+ if (amend && !no_post_rewrite) {
+ struct notes_rewrite_cfg *cfg;
+ cfg = init_copy_notes_for_rewrite("amend");
+ if (cfg) {
+ copy_note_for_rewrite(cfg, head_sha1, commit_sha1);
+ finish_copy_notes_for_rewrite(cfg);
+ }
+ run_rewrite_hook(head_sha1, commit_sha1);
+ }
if (!quiet)
print_summary(prefix, commit_sha1);
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-17 14:57:59 +0000