We only try to get branch name in "format-patch origin" case or
similar and not "format-patch -22" where HEAD is automatically
added. Without correct branch name, branch description cannot be
added. Make sure we always get branch name.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
builtin/log.c | 16 +++++++++++++---
t/t4014-format-patch.sh | 7 +++++++
2 files changed, 20 insertions(+), 3 deletions(-)
diff --git a/builtin/log.c b/builtin/log.c
index 039bf67..81683f6 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -1027,12 +1027,22 @@ static char *find_branch_name(struct rev_info *rev)
else
return NULL;
}
- if (positive < 0)
+ if (positive >= 0)
+ ref = rev->cmdline.rev[positive].name;
+ else if (!rev->cmdline.nr && rev->pending.nr == 1 &&
+ !strcmp(rev->pending.objects[0].name, "HEAD"))
+ /*
+ * No actual ref from command line, but "HEAD" from
+ * rev->def was added in setup_revisions()
+ * e.g. format-patch --cover-letter -12
+ */
+ ref = "HEAD";
+ else
return NULL;
- ref = rev->cmdline.rev[positive].name;
if (dwim_ref(ref, strlen(ref), branch_sha1, &full_ref) &&
!prefixcmp(full_ref, "refs/heads/") &&
- !hashcmp(rev->cmdline.rev[positive].item->sha1, branch_sha1))
+ (positive < 0 ||
+ !hashcmp(rev->cmdline.rev[positive].item->sha1, branch_sha1)))
branch = xstrdup(full_ref + strlen("refs/heads/"));
free(full_ref);
return branch;
diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
index 903a797..7e52941 100755
--- a/t/t4014-format-patch.sh
+++ b/t/t4014-format-patch.sh
@@ -998,4 +998,11 @@ test_expect_success 'cover letter using branch description (5)' '
grep hello actual >/dev/null
'
+test_expect_success 'cover letter using branch description (6)' '
+ git checkout rebuild-1 &&
+ test_config branch.rebuild-1.description hello &&
+ git format-patch --stdout --cover-letter -2 >actual &&
+ grep hello actual >/dev/null
+'
+
test_done
--
1.8.0.rc2.23.g1fb49df
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