Junio C Hamano <gitster@xxxxxxxxx> writes:
> And a quick attempt without even compilation testing has flaws as
> expected X-<.
>
> Second attempt.
... and I forget the de-dup logic. The third attempt.
builtin/am.c | 32 ++++++++++++++++++++++++++++++--
1 file changed, 30 insertions(+), 2 deletions(-)
diff --git a/builtin/am.c b/builtin/am.c
index 83b3d86..30ffdde 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -1207,6 +1207,34 @@ static void NORETURN die_user_resolve(const struct am_state *state)
exit(128);
}
+static void am_signoff(struct strbuf *sb)
+{
+ char *cp;
+ struct strbuf mine = STRBUF_INIT;
+
+ /* Does it end with our own sign-off? */
+ strbuf_addf(&mine, "%s%s\n",
+ sign_off_header,
+ fmt_name(getenv("GIT_COMMITTER_NAME"),
+ getenv("GIT_COMMITTER_EMAIL")));
+ if (mine.len < sb->len &&
+ !strcmp(mine.buf, sb->buf + sb->len - mine.len))
+ goto exit; /* no need to duplicate */
+
+ /* Does it have any Signed-off-by: in the text */
+ for (cp = sb->buf;
+ cp && *cp && (cp = strstr(cp, sign_off_header)) != NULL;
+ cp = strchr(cp, '\n')) {
+ if (sb->buf == cp || cp[-1] == '\n')
+ break;
+ }
+ if (!cp)
+ strbuf_addch(sb, '\n');
+ strbuf_addbuf(sb, &mine);
+exit:
+ strbuf_release(&mine);
+}
+
/**
* Appends signoff to the "msg" field of the am_state.
*/
@@ -1215,7 +1243,7 @@ static void am_append_signoff(struct am_state *state)
struct strbuf sb = STRBUF_INIT;
strbuf_attach(&sb, state->msg, state->msg_len, state->msg_len);
- append_signoff(&sb, 0, 0);
+ am_signoff(&sb);
state->msg = strbuf_detach(&sb, &state->msg_len);
}
@@ -1319,7 +1347,7 @@ static int parse_mail(struct am_state *state, const char *mail)
stripspace(&msg, 0);
if (state->signoff)
- append_signoff(&msg, 0, 0);
+ am_signoff(&msg);
assert(!state->author_name);
state->author_name = strbuf_detach(&author_name, NULL);
--
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