Merge branch 'gb/rebase-signoff'

"git rebase" learns "--signoff" option.

* gb/rebase-signoff:
  rebase: pass --[no-]signoff option to git am
  builtin/am: fold am_signoff() into am_append_signoff()
  builtin/am: honor --signoff also when --rebasing

1 files changed, 18 insertions, 21 deletions

diff --git a/builtin/am.c b/builtin/am.c
index 805f56cec2..f08b7e6626 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -1185,42 +1185,39 @@ static void NORETURN die_user_resolve(const struct am_state *state)
 	exit(128);
 }
 
-static void am_signoff(struct strbuf *sb)
+/**
+ * Appends signoff to the "msg" field of the am_state.
+ */
+static void am_append_signoff(struct am_state *state)
 {
 	char *cp;
 	struct strbuf mine = STRBUF_INIT;
+	struct strbuf sb = STRBUF_INIT;
 
-	/* Does it end with our own sign-off? */
+	strbuf_attach(&sb, state->msg, state->msg_len, state->msg_len);
+
+	/* our sign-off */
 	strbuf_addf(&mine, "\n%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))
+
+	/* Does sb end with it already? */
+	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;
+	for (cp = sb.buf;
 	     cp && *cp && (cp = strstr(cp, sign_off_header)) != NULL;
 	     cp = strchr(cp, '\n')) {
-		if (sb->buf == cp || cp[-1] == '\n')
+		if (sb.buf == cp || cp[-1] == '\n')
 			break;
 	}
 
-	strbuf_addstr(sb, mine.buf + !!cp);
+	strbuf_addstr(&sb, mine.buf + !!cp);
 exit:
 	strbuf_release(&mine);
-}
-
-/**
- * Appends signoff to the "msg" field of the am_state.
- */
-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);
-	am_signoff(&sb);
 	state->msg = strbuf_detach(&sb, &state->msg_len);
 }
 
@@ -1325,9 +1322,6 @@ static int parse_mail(struct am_state *state, const char *mail)
 	strbuf_addbuf(&msg, &mi.log_message);
 	strbuf_stripspace(&msg, 0);
 
-	if (state->signoff)
-		am_signoff(&msg);
-
 	assert(!state->author_name);
 	state->author_name = strbuf_detach(&author_name, NULL);
 
@@ -1852,6 +1846,9 @@ static void am_run(struct am_state *state, int resume)
 			if (skip)
 				goto next; /* mail should be skipped */
 
+			if (state->signoff)
+				am_append_signoff(state);
+
 			write_author_script(state);
 			write_commit_msg(state);
 		}