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Diffstat (limited to 'builtin/commit.c')
-rw-r--r--builtin/commit.c90
1 files changed, 61 insertions, 29 deletions
diff --git a/builtin/commit.c b/builtin/commit.c
index 763fe74b90..a78dbd83bf 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;
@@ -57,7 +62,7 @@ static struct lock_file false_lock; /* used only for partial commits */
static enum {
COMMIT_AS_IS = 1,
COMMIT_NORMAL,
- COMMIT_PARTIAL,
+ COMMIT_PARTIAL
} commit_style;
static const char *logfile, *force_author;
@@ -67,7 +72,7 @@ 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, allow_empty_message;
-static char *untracked_files_arg, *force_date;
+static char *untracked_files_arg, *force_date, *ignore_submodule_arg;
/*
* The default commit message cleanup mode will remove the lines
* beginning with # (shell comments) and leading and trailing
@@ -78,7 +83,7 @@ static char *untracked_files_arg, *force_date;
static enum {
CLEANUP_SPACE,
CLEANUP_NONE,
- CLEANUP_ALL,
+ CLEANUP_ALL
} cleanup_mode;
static char *cleanup_arg;
@@ -91,8 +96,9 @@ static int null_termination;
static enum {
STATUS_FORMAT_LONG,
STATUS_FORMAT_SHORT,
- STATUS_FORMAT_PORCELAIN,
+ STATUS_FORMAT_PORCELAIN
} status_format = STATUS_FORMAT_LONG;
+static int status_show_branch;
static int opt_parse_m(const struct option *opt, const char *arg, int unset)
{
@@ -134,6 +140,7 @@ static struct option builtin_commit_options[] = {
OPT_BOOLEAN(0, "dry-run", &dry_run, "show what would be committed"),
OPT_SET_INT(0, "short", &status_format, "show status concisely",
STATUS_FORMAT_SHORT),
+ OPT_BOOLEAN(0, "branch", &status_show_branch, "show branch information"),
OPT_SET_INT(0, "porcelain", &status_format,
"show porcelain output format", STATUS_FORMAT_PORCELAIN),
OPT_BOOLEAN('z', "null", &null_termination,
@@ -336,9 +343,13 @@ static char *prepare_index(int argc, const char **argv, const char *prefix, int
if (!pathspec || !*pathspec) {
fd = hold_locked_index(&index_lock, 1);
refresh_cache_or_die(refresh_flags);
- if (write_cache(fd, active_cache, active_nr) ||
- commit_locked_index(&index_lock))
- die("unable to write new_index file");
+ if (active_cache_changed) {
+ if (write_cache(fd, active_cache, active_nr) ||
+ commit_locked_index(&index_lock))
+ die("unable to write new_index file");
+ } else {
+ rollback_lock_file(&index_lock);
+ }
commit_style = COMMIT_AS_IS;
return get_index_file();
}
@@ -424,7 +435,7 @@ static int run_status(FILE *fp, const char *index_file, const char *prefix, int
switch (status_format) {
case STATUS_FORMAT_SHORT:
- wt_shortstatus_print(s, null_termination);
+ wt_shortstatus_print(s, null_termination, status_show_branch);
break;
case STATUS_FORMAT_PORCELAIN:
wt_porcelain_print(s, null_termination);
@@ -462,15 +473,21 @@ 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) {
@@ -700,6 +717,8 @@ 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;
}
@@ -724,7 +743,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
if (use_editor) {
char index[PATH_MAX];
- const char *env[2] = { index, NULL };
+ const char *env[2] = { NULL };
+ env[0] = index;
snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
if (launch_editor(git_path(commit_editmsg), NULL, env)) {
fprintf(stderr,
@@ -1030,6 +1050,8 @@ int cmd_status(int argc, const char **argv, const char *prefix)
OPT__VERBOSE(&verbose),
OPT_SET_INT('s', "short", &status_format,
"show status concisely", STATUS_FORMAT_SHORT),
+ OPT_BOOLEAN('b', "branch", &status_show_branch,
+ "show branch information"),
OPT_SET_INT(0, "porcelain", &status_format,
"show porcelain output format",
STATUS_FORMAT_PORCELAIN),
@@ -1041,6 +1063,9 @@ int cmd_status(int argc, const char **argv, const char *prefix)
PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
OPT_BOOLEAN(0, "ignored", &show_ignored_in_status,
"show ignored files"),
+ { OPTION_STRING, 0, "ignore-submodules", &ignore_submodule_arg, "when",
+ "ignore changes to submodules, optional when: all, dirty, untracked. (Default: all)",
+ PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
OPT_END(),
};
@@ -1064,13 +1089,16 @@ int cmd_status(int argc, const char **argv, const char *prefix)
fd = hold_locked_index(&index_lock, 0);
if (0 <= fd) {
- if (!write_cache(fd, active_cache, active_nr))
+ if (active_cache_changed &&
+ !write_cache(fd, active_cache, active_nr))
commit_locked_index(&index_lock);
- rollback_lock_file(&index_lock);
+ else
+ rollback_lock_file(&index_lock);
}
s.is_initial = get_sha1(s.reference, sha1) ? 1 : 0;
s.in_merge = in_merge;
+ s.ignore_submodule_arg = ignore_submodule_arg;
wt_status_collect(&s);
if (s.relative_paths)
@@ -1082,13 +1110,14 @@ int cmd_status(int argc, const char **argv, const char *prefix)
switch (status_format) {
case STATUS_FORMAT_SHORT:
- wt_shortstatus_print(&s, null_termination);
+ wt_shortstatus_print(&s, null_termination, status_show_branch);
break;
case STATUS_FORMAT_PORCELAIN:
wt_porcelain_print(&s, null_termination);
break;
case STATUS_FORMAT_LONG:
s.verbose = verbose;
+ s.ignore_submodule_arg = ignore_submodule_arg;
wt_status_print(&s);
break;
}
@@ -1157,13 +1186,11 @@ 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);
}
@@ -1251,13 +1278,16 @@ 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");
@@ -1268,7 +1298,8 @@ 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)
@@ -1291,7 +1322,8 @@ 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;
}