Teach append_signoff to detect whether a blank line exists at the position
that the signed-off-by line will be added, and avoid adding an additional
one if one already exists. This is necessary to allow format-patch to add a
s-o-b to a patch with no commit message without adding an extra newline. A
following patch will make format-patch use this function rather than the
append_signoff implementation inside log-tree.c.
Signed-off-by: Brandon Casey <bcasey@xxxxxxxxxx>
---
sequencer.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/sequencer.c b/sequencer.c
index 015cb58..404b786 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -1118,11 +1118,15 @@ void append_signoff(struct strbuf *msgbuf, int ignore_footer, unsigned flag)
for (i = msgbuf->len - 1 - ignore_footer; i > 0 && msgbuf->buf[i - 1] != '\n'; i--)
; /* do nothing */
- if (i)
- has_footer = has_conforming_footer(msgbuf, &sob, ignore_footer);
-
- if (!has_footer)
- strbuf_splice(msgbuf, msgbuf->len - ignore_footer, 0, "\n", 1);
+ if (msgbuf->buf[i] != '\n') {
+ if (i)
+ has_footer = has_conforming_footer(msgbuf, &sob,
+ ignore_footer);
+
+ if (!has_footer)
+ strbuf_splice(msgbuf, msgbuf->len - ignore_footer, 0,
+ "\n", 1);
+ }
if (has_footer != 3 && (!no_dup_sob || has_footer != 2))
strbuf_splice(msgbuf, msgbuf->len - ignore_footer, 0,
--
1.8.1.1.450.g0327af3
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