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-rw-r--r--builtin/commit.c47
-rw-r--r--sequencer.c7
-rwxr-xr-xt/t3507-cherry-pick-conflict.sh42
3 files changed, 68 insertions, 28 deletions
diff --git a/builtin/commit.c b/builtin/commit.c
index cd455aa..0a78e76 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -596,32 +596,47 @@ static char *cut_ident_timestamp_part(char *string)
/*
* Inspect sb and determine the true "end" of the log message, in
* order to find where to put a new Signed-off-by: line. Ignored are
- * trailing "Conflict:" block.
+ * trailing comment lines and blank lines, and also the traditional
+ * "Conflicts:" block that is not commented out, so that we can use
+ * "git commit -s --amend" on an existing commit that forgot to remove
+ * it.
*
* Returns the number of bytes from the tail to ignore, to be fed as
* the second parameter to append_signoff().
*/
static int ignore_non_trailer(struct strbuf *sb)
{
- int ignore_footer = 0;
- int i, eol, previous = 0;
- const char *nl;
+ int boc = 0;
+ int bol = 0;
+ int in_old_conflicts_block = 0;
- for (i = 0; i < sb->len; i++) {
- nl = memchr(sb->buf + i, '\n', sb->len - i);
- if (nl)
- eol = nl - sb->buf;
+ while (bol < sb->len) {
+ char *next_line;
+
+ if (!(next_line = memchr(sb->buf + bol, '\n', sb->len - bol)))
+ next_line = sb->buf + sb->len;
else
- eol = sb->len;
- if (!prefixcmp(sb->buf + previous, "\nConflicts:\n")) {
- ignore_footer = sb->len - previous;
- break;
+ next_line++;
+
+ if (sb->buf[bol] == comment_line_char || sb->buf[bol] == '\n') {
+ /* is this the first of the run of comments? */
+ if (!boc)
+ boc = bol;
+ /* otherwise, it is just continuing */
+ } else if (!prefixcmp(sb->buf + bol, "Conflicts:\n")) {
+ in_old_conflicts_block = 1;
+ if (!boc)
+ boc = bol;
+ } else if (in_old_conflicts_block && sb->buf[bol] == '\t') {
+ ; /* a pathname in the conflicts block */
+ } else if (boc) {
+ /* the previous was not trailing comment */
+ boc = 0;
+ in_old_conflicts_block = 0;
}
- while (i < eol)
- i++;
- previous = eol;
+ bol = next_line - sb->buf;
}
- return ignore_footer;
+ return boc ? sb->len - boc : 0;
}
static int prepare_to_commit(const char *index_file, const char *prefix,
diff --git a/sequencer.c b/sequencer.c
index 0f84bbe..1d97da3 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -291,13 +291,12 @@ void append_conflicts_hint(struct strbuf *msgbuf)
{
int i;
- strbuf_addstr(msgbuf, "\nConflicts:\n");
+ strbuf_addch(msgbuf, '\n');
+ strbuf_commented_addf(msgbuf, "Conflicts:\n");
for (i = 0; i < active_nr;) {
const struct cache_entry *ce = active_cache[i++];
if (ce_stage(ce)) {
- strbuf_addch(msgbuf, '\t');
- strbuf_addstr(msgbuf, ce->name);
- strbuf_addch(msgbuf, '\n');
+ strbuf_commented_addf(msgbuf, "\t%s\n", ce->name);
while (i < active_nr && !strcmp(ce->name,
active_cache[i]->name))
i++;
diff --git a/t/t3507-cherry-pick-conflict.sh b/t/t3507-cherry-pick-conflict.sh
index 223b984..7c5ad08 100755
--- a/t/t3507-cherry-pick-conflict.sh
+++ b/t/t3507-cherry-pick-conflict.sh
@@ -351,19 +351,45 @@ test_expect_success 'commit after failed cherry-pick does not add duplicated -s'
test_expect_success 'commit after failed cherry-pick adds -s at the right place' '
pristine_detach initial &&
test_must_fail git cherry-pick picked &&
+
git commit -a -s &&
- pwd &&
- cat <<EOF > expected &&
-picked
-Signed-off-by: C O Mitter <committer@example.com>
+ # Do S-o-b and Conflicts appear in the right order?
+ cat <<-\EOF >expect &&
+ Signed-off-by: C O Mitter <committer@example.com>
+ # Conflicts:
+ EOF
+ grep -e "^# Conflicts:" -e '^Signed-off-by' <.git/COMMIT_EDITMSG >actual &&
+ test_cmp expect actual &&
+
+ cat <<-\EOF >expected &&
+ picked
-Conflicts:
- foo
-EOF
+ Signed-off-by: C O Mitter <committer@example.com>
+ EOF
- git show -s --pretty=format:%B > actual &&
+ git show -s --pretty=format:%B >actual &&
test_cmp expected actual
'
+test_expect_success 'commit --amend -s places the sign-off at the right place' '
+ pristine_detach initial &&
+ test_must_fail git cherry-pick picked &&
+
+ # emulate old-style conflicts block
+ mv .git/MERGE_MSG .git/MERGE_MSG+ &&
+ sed -e "/^# Conflicts:/,\$s/^# *//" <.git/MERGE_MSG+ >.git/MERGE_MSG &&
+
+ git commit -a &&
+ git commit --amend -s &&
+
+ # Do S-o-b and Conflicts appear in the right order?
+ cat <<-\EOF >expect &&
+ Signed-off-by: C O Mitter <committer@example.com>
+ Conflicts:
+ EOF
+ grep -e "^Conflicts:" -e '^Signed-off-by' <.git/COMMIT_EDITMSG >actual &&
+ test_cmp expect actual
+'
+
test_done