From: Phillip Wood <phillip.wood@xxxxxxxxxxxxx>
Move the functions that check for empty messages from bulitin/commit.c
to sequencer.c so they can be shared with other commands. The
functions are refactored to take an explicit cleanup mode and template
filename passed by the caller.
Signed-off-by: Phillip Wood <phillip.wood@xxxxxxxxxxxxx>
---
Notes:
changes since v1:
- prefix cleanup_mode enum and constants with commit_msg_
builtin/commit.c | 99 +++++++++++---------------------------------------------
sequencer.c | 61 ++++++++++++++++++++++++++++++++++
sequencer.h | 11 +++++++
3 files changed, 91 insertions(+), 80 deletions(-)
diff --git a/builtin/commit.c b/builtin/commit.c
index 8a877014145435516930c787dec37b8c4ac3da90..d958c2eb2adc9a29dab29340ce9b56daea41fecd 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -128,12 +128,7 @@ static char *sign_commit;
* if editor is used, and only the whitespaces if the message
* is specified explicitly.
*/
-static enum {
- CLEANUP_SPACE,
- CLEANUP_NONE,
- CLEANUP_SCISSORS,
- CLEANUP_ALL
-} cleanup_mode;
+static enum commit_msg_cleanup_mode cleanup_mode;
static const char *cleanup_arg;
static enum commit_whence whence;
@@ -673,7 +668,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
struct strbuf sb = STRBUF_INIT;
const char *hook_arg1 = NULL;
const char *hook_arg2 = NULL;
- int clean_message_contents = (cleanup_mode != CLEANUP_NONE);
+ int clean_message_contents = (cleanup_mode != COMMIT_MSG_CLEANUP_NONE);
int old_display_comment_prefix;
/* This checks and barfs if author is badly specified */
@@ -812,7 +807,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
struct ident_split ci, ai;
if (whence != FROM_COMMIT) {
- if (cleanup_mode == CLEANUP_SCISSORS)
+ if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS)
wt_status_add_cut_line(s->fp);
status_printf_ln(s, GIT_COLOR_NORMAL,
whence == FROM_MERGE
@@ -832,14 +827,15 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
}
fprintf(s->fp, "\n");
- if (cleanup_mode == CLEANUP_ALL)
+ if (cleanup_mode == COMMIT_MSG_CLEANUP_ALL)
status_printf(s, GIT_COLOR_NORMAL,
_("Please enter the commit message for your changes."
" Lines starting\nwith '%c' will be ignored, and an empty"
" message aborts the commit.\n"), comment_line_char);
- else if (cleanup_mode == CLEANUP_SCISSORS && whence == FROM_COMMIT)
+ else if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS &&
+ whence == FROM_COMMIT)
wt_status_add_cut_line(s->fp);
- else /* CLEANUP_SPACE, that is. */
+ else /* COMMIT_MSG_CLEANUP_SPACE, that is. */
status_printf(s, GIT_COLOR_NORMAL,
_("Please enter the commit message for your changes."
" Lines starting\n"
@@ -984,65 +980,6 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
return 1;
}
-static int rest_is_empty(struct strbuf *sb, int start)
-{
- int i, eol;
- const char *nl;
-
- /* Check if the rest is just whitespace and Signed-off-by's. */
- for (i = start; i < sb->len; i++) {
- nl = memchr(sb->buf + i, '\n', sb->len - i);
- if (nl)
- eol = nl - sb->buf;
- else
- eol = sb->len;
-
- if (strlen(sign_off_header) <= eol - i &&
- starts_with(sb->buf + i, sign_off_header)) {
- i = eol;
- continue;
- }
- while (i < eol)
- if (!isspace(sb->buf[i++]))
- return 0;
- }
-
- return 1;
-}
-
-/*
- * Find out if the message in the strbuf contains only whitespace and
- * Signed-off-by lines.
- */
-static int message_is_empty(struct strbuf *sb)
-{
- if (cleanup_mode == CLEANUP_NONE && sb->len)
- return 0;
- return rest_is_empty(sb, 0);
-}
-
-/*
- * See if the user edited the message in the editor or left what
- * was in the template intact
- */
-static int template_untouched(struct strbuf *sb)
-{
- struct strbuf tmpl = STRBUF_INIT;
- const char *start;
-
- if (cleanup_mode == CLEANUP_NONE && sb->len)
- return 0;
-
- if (!template_file || strbuf_read_file(&tmpl, template_file, 0) <= 0)
- return 0;
-
- strbuf_stripspace(&tmpl, cleanup_mode == CLEANUP_ALL);
- if (!skip_prefix(sb->buf, tmpl.buf, &start))
- start = sb->buf;
- strbuf_release(&tmpl);
- return rest_is_empty(sb, start - sb->buf);
-}
-
static const char *find_author_by_nickname(const char *name)
{
struct rev_info revs;
@@ -1227,15 +1164,17 @@ static int parse_and_validate_options(int argc, const char *argv[],
if (argc == 0 && (also || (only && !amend && !allow_empty)))
die(_("No paths with --include/--only does not make sense."));
if (!cleanup_arg || !strcmp(cleanup_arg, "default"))
- cleanup_mode = use_editor ? CLEANUP_ALL : CLEANUP_SPACE;
+ cleanup_mode = use_editor ? COMMIT_MSG_CLEANUP_ALL :
+ COMMIT_MSG_CLEANUP_SPACE;
else if (!strcmp(cleanup_arg, "verbatim"))
- cleanup_mode = CLEANUP_NONE;
+ cleanup_mode = COMMIT_MSG_CLEANUP_NONE;
else if (!strcmp(cleanup_arg, "whitespace"))
- cleanup_mode = CLEANUP_SPACE;
+ cleanup_mode = COMMIT_MSG_CLEANUP_SPACE;
else if (!strcmp(cleanup_arg, "strip"))
- cleanup_mode = CLEANUP_ALL;
+ cleanup_mode = COMMIT_MSG_CLEANUP_ALL;
else if (!strcmp(cleanup_arg, "scissors"))
- cleanup_mode = use_editor ? CLEANUP_SCISSORS : CLEANUP_SPACE;
+ cleanup_mode = use_editor ? COMMIT_MSG_CLEANUP_SCISSORS :
+ COMMIT_MSG_CLEANUP_SPACE;
else
die(_("Invalid cleanup mode %s"), cleanup_arg);
@@ -1768,17 +1707,17 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
}
if (verbose || /* Truncate the message just before the diff, if any. */
- cleanup_mode == CLEANUP_SCISSORS)
+ cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS)
strbuf_setlen(&sb, wt_status_locate_end(sb.buf, sb.len));
- if (cleanup_mode != CLEANUP_NONE)
- strbuf_stripspace(&sb, cleanup_mode == CLEANUP_ALL);
+ if (cleanup_mode != COMMIT_MSG_CLEANUP_NONE)
+ strbuf_stripspace(&sb, cleanup_mode == COMMIT_MSG_CLEANUP_ALL);
- if (message_is_empty(&sb) && !allow_empty_message) {
+ if (message_is_empty(&sb, cleanup_mode) && !allow_empty_message) {
rollback_index_files();
fprintf(stderr, _("Aborting commit due to empty commit message.\n"));
exit(1);
}
- if (template_untouched(&sb) && !allow_empty_message) {
+ if (template_untouched(&sb, template_file, cleanup_mode) && !allow_empty_message) {
rollback_index_files();
fprintf(stderr, _("Aborting commit; you did not edit the message.\n"));
exit(1);
diff --git a/sequencer.c b/sequencer.c
index 19dd575ed9b3b280a3fdabc9121a2e193d6984db..36e03d041f32bcc0fdd1fddebb33b23c7e4d8a70 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -691,6 +691,67 @@ static int run_git_commit(const char *defmsg, struct replay_opts *opts,
return run_command(&cmd);
}
+static int rest_is_empty(const struct strbuf *sb, int start)
+{
+ int i, eol;
+ const char *nl;
+
+ /* Check if the rest is just whitespace and Signed-off-by's. */
+ for (i = start; i < sb->len; i++) {
+ nl = memchr(sb->buf + i, '\n', sb->len - i);
+ if (nl)
+ eol = nl - sb->buf;
+ else
+ eol = sb->len;
+
+ if (strlen(sign_off_header) <= eol - i &&
+ starts_with(sb->buf + i, sign_off_header)) {
+ i = eol;
+ continue;
+ }
+ while (i < eol)
+ if (!isspace(sb->buf[i++]))
+ return 0;
+ }
+
+ return 1;
+}
+
+/*
+ * Find out if the message in the strbuf contains only whitespace and
+ * Signed-off-by lines.
+ */
+int message_is_empty(const struct strbuf *sb,
+ enum commit_msg_cleanup_mode cleanup_mode)
+{
+ if (cleanup_mode == COMMIT_MSG_CLEANUP_NONE && sb->len)
+ return 0;
+ return rest_is_empty(sb, 0);
+}
+
+/*
+ * See if the user edited the message in the editor or left what
+ * was in the template intact
+ */
+int template_untouched(const struct strbuf *sb, const char *template_file,
+ enum commit_msg_cleanup_mode cleanup_mode)
+{
+ struct strbuf tmpl = STRBUF_INIT;
+ const char *start;
+
+ if (cleanup_mode == COMMIT_MSG_CLEANUP_NONE && sb->len)
+ return 0;
+
+ if (!template_file || strbuf_read_file(&tmpl, template_file, 0) <= 0)
+ return 0;
+
+ strbuf_stripspace(&tmpl, cleanup_mode == COMMIT_MSG_CLEANUP_ALL);
+ if (!skip_prefix(sb->buf, tmpl.buf, &start))
+ start = sb->buf;
+ strbuf_release(&tmpl);
+ return rest_is_empty(sb, start - sb->buf);
+}
+
static int is_original_commit_empty(struct commit *commit)
{
const struct object_id *ptree_oid;
diff --git a/sequencer.h b/sequencer.h
index 6f3d3df82c0ade64b7b125acd49bf3f5e15c53af..82e57713a2940c5d65ccac013c3f42c55cc12baf 100644
--- a/sequencer.h
+++ b/sequencer.h
@@ -58,4 +58,15 @@ extern const char sign_off_header[];
void append_signoff(struct strbuf *msgbuf, int ignore_footer, unsigned flag);
void append_conflicts_hint(struct strbuf *msgbuf);
+enum commit_msg_cleanup_mode {
+ COMMIT_MSG_CLEANUP_SPACE,
+ COMMIT_MSG_CLEANUP_NONE,
+ COMMIT_MSG_CLEANUP_SCISSORS,
+ COMMIT_MSG_CLEANUP_ALL
+};
+
+int message_is_empty(const struct strbuf *sb,
+ enum commit_msg_cleanup_mode cleanup_mode);
+int template_untouched(const struct strbuf *sb, const char *template_file,
+ enum commit_msg_cleanup_mode cleanup_mode);
#endif
--
2.15.0
