Start treating the "(cherry picked from" line added by cherry-pick -x
the same way that the s-o-b lines are treated. Namely, separate them
from the main commit message body with an empty line.
Introduce tests to test this functionality.
Signed-off-by: Brandon Casey <bcasey@xxxxxxxxxx>
Reviewed-by: Jonathan Nieder <jrnieder@xxxxxxxxx>
---
sequencer.c | 128 ++++++++++++++++++++++++-----------------------
t/t3511-cherry-pick-x.sh | 53 ++++++++++++++++++++
2 files changed, 118 insertions(+), 63 deletions(-)
diff --git a/sequencer.c b/sequencer.c
index 178e84b..249c4a0 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -20,6 +20,69 @@
const char sign_off_header[] = "Signed-off-by: ";
static const char cherry_picked_prefix[] = "(cherry picked from commit ";
+static int is_rfc2822_line(const char *buf, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++) {
+ int ch = buf[i];
+ if (ch == ':')
+ return 1;
+ if (!isalnum(ch) && ch != '-')
+ break;
+ }
+
+ return 0;
+}
+
+static int is_cherry_picked_from_line(const char *buf, int len)
+{
+ /*
+ * We only care that it looks roughly like (cherry picked from ...)
+ */
+ return len > strlen(cherry_picked_prefix) + 1 &&
+ !prefixcmp(buf, cherry_picked_prefix) && buf[len - 1] == ')';
+}
+
+static int has_conforming_footer(struct strbuf *sb, int ignore_footer)
+{
+ char prev;
+ int i, k;
+ int len = sb->len - ignore_footer;
+ const char *buf = sb->buf;
+
+ /* footer must end with newline */
+ if (!len || buf[len - 1] != '\n')
+ return 0;
+
+ prev = '\0';
+ for (i = len - 1; i > 0; i--) {
+ char ch = buf[i];
+ if (prev == '\n' && ch == '\n') /* paragraph break */
+ break;
+ prev = ch;
+ }
+
+ /* require at least one blank line */
+ if (prev != '\n' || buf[i] != '\n')
+ return 0;
+
+ /* advance to start of last paragraph */
+ while (i < len - 1 && buf[i] == '\n')
+ i++;
+
+ for (; i < len; i = k) {
+ for (k = i; k < len && buf[k] != '\n'; k++)
+ ; /* do nothing */
+ k++;
+
+ if (!is_rfc2822_line(buf + i, k - i - 1) &&
+ !is_cherry_picked_from_line(buf + i, k - i - 1))
+ return 0;
+ }
+ return 1;
+}
+
static void remove_sequencer_state(void)
{
struct strbuf seq_dir = STRBUF_INIT;
@@ -497,6 +560,8 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
}
if (opts->record_origin) {
+ if (!has_conforming_footer(&msgbuf, 0))
+ strbuf_addch(&msgbuf, '\n');
strbuf_addstr(&msgbuf, cherry_picked_prefix);
strbuf_addstr(&msgbuf, sha1_to_hex(commit->object.sha1));
strbuf_addstr(&msgbuf, ")\n");
@@ -1022,69 +1087,6 @@ int sequencer_pick_revisions(struct replay_opts *opts)
return pick_commits(todo_list, opts);
}
-static int is_rfc2822_line(const char *buf, int len)
-{
- int i;
-
- for (i = 0; i < len; i++) {
- int ch = buf[i];
- if (ch == ':')
- return 1;
- if (!isalnum(ch) && ch != '-')
- break;
- }
-
- return 0;
-}
-
-static int is_cherry_picked_from_line(const char *buf, int len)
-{
- /*
- * We only care that it looks roughly like (cherry picked from ...)
- */
- return len > strlen(cherry_picked_prefix) + 1 &&
- !prefixcmp(buf, cherry_picked_prefix) && buf[len - 1] == ')';
-}
-
-static int has_conforming_footer(struct strbuf *sb, int ignore_footer)
-{
- char prev;
- int i, k;
- int len = sb->len - ignore_footer;
- const char *buf = sb->buf;
-
- /* footer must end with newline */
- if (!len || buf[len - 1] != '\n')
- return 0;
-
- prev = '\0';
- for (i = len - 1; i > 0; i--) {
- char ch = buf[i];
- if (prev == '\n' && ch == '\n') /* paragraph break */
- break;
- prev = ch;
- }
-
- /* require at least one blank line */
- if (prev != '\n' || buf[i] != '\n')
- return 0;
-
- /* advance to start of last paragraph */
- while (i < len - 1 && buf[i] == '\n')
- i++;
-
- for (; i < len; i = k) {
- for (k = i; k < len && buf[k] != '\n'; k++)
- ; /* do nothing */
- k++;
-
- if (!is_rfc2822_line(buf + i, k - i - 1) &&
- !is_cherry_picked_from_line(buf + i, k - i - 1))
- return 0;
- }
- return 1;
-}
-
void append_signoff(struct strbuf *msgbuf, int ignore_footer)
{
struct strbuf sob = STRBUF_INIT;
diff --git a/t/t3511-cherry-pick-x.sh b/t/t3511-cherry-pick-x.sh
index 73da182..a845e45 100755
--- a/t/t3511-cherry-pick-x.sh
+++ b/t/t3511-cherry-pick-x.sh
@@ -57,6 +57,19 @@ test_expect_success setup '
test_commit conflicting unrelated
'
+test_expect_success 'cherry-pick -x inserts blank line after one line subject' '
+ pristine_detach initial &&
+ sha1=`git rev-parse mesg-one-line^0` &&
+ git cherry-pick -x mesg-one-line &&
+ cat <<-EOF >expect &&
+ $mesg_one_line
+
+ (cherry picked from commit $sha1)
+ EOF
+ git log -1 --pretty=format:%B >actual &&
+ test_cmp expect actual
+'
+
test_expect_success 'cherry-pick -s inserts blank line after one line subject' '
pristine_detach initial &&
git cherry-pick -s mesg-one-line &&
@@ -81,6 +94,19 @@ test_expect_failure 'cherry-pick -s inserts blank line after non-conforming foot
test_cmp expect actual
'
+test_expect_success 'cherry-pick -x inserts blank line when conforming footer not found' '
+ pristine_detach initial &&
+ sha1=`git rev-parse mesg-no-footer^0` &&
+ git cherry-pick -x mesg-no-footer &&
+ cat <<-EOF >expect &&
+ $mesg_no_footer
+
+ (cherry picked from commit $sha1)
+ EOF
+ git log -1 --pretty=format:%B >actual &&
+ test_cmp expect actual
+'
+
test_expect_success 'cherry-pick -s inserts blank line when conforming footer not found' '
pristine_detach initial &&
git cherry-pick -s mesg-no-footer &&
@@ -93,6 +119,20 @@ test_expect_success 'cherry-pick -s inserts blank line when conforming footer no
test_cmp expect actual
'
+test_expect_success 'cherry-pick -x -s inserts blank line when conforming footer not found' '
+ pristine_detach initial &&
+ sha1=`git rev-parse mesg-no-footer^0` &&
+ git cherry-pick -x -s mesg-no-footer &&
+ cat <<-EOF >expect &&
+ $mesg_no_footer
+
+ (cherry picked from commit $sha1)
+ Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>
+ EOF
+ git log -1 --pretty=format:%B >actual &&
+ test_cmp expect actual
+'
+
test_expect_success 'cherry-pick -s adds sob when last sob doesnt match committer' '
pristine_detach initial &&
git cherry-pick -s mesg-with-footer &&
@@ -163,4 +203,17 @@ test_expect_success 'cherry-pick -s treats "(cherry picked from..." line as part
test_cmp expect actual
'
+test_expect_success 'cherry-pick -x -s treats "(cherry picked from..." line as part of footer' '
+ pristine_detach initial &&
+ sha1=`git rev-parse mesg-with-cherry-footer^0` &&
+ git cherry-pick -x -s mesg-with-cherry-footer &&
+ cat <<-EOF >expect &&
+ $mesg_with_cherry_footer
+ (cherry picked from commit $sha1)
+ Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>
+ EOF
+ git log -1 --pretty=format:%B >actual &&
+ test_cmp expect actual
+'
+
test_done
--
1.8.1.3.579.gd9af3b6
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