1 files changed, 33 insertions, 34 deletions

diff --git a/builtin/am.c b/builtin/am.c
index 5c747faa05..17c80329c2 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -134,17 +134,15 @@ struct am_state {
 };
 
 /**
- * Initializes am_state with the default values. The state directory is set to
- * dir.
+ * Initializes am_state with the default values.
  */
-static void am_state_init(struct am_state *state, const char *dir)
+static void am_state_init(struct am_state *state)
 {
 	int gpgsign;
 
 	memset(state, 0, sizeof(*state));
 
-	assert(dir);
-	state->dir = xstrdup(dir);
+	state->dir = git_pathdup("rebase-apply");
 
 	state->prec = 4;
 
@@ -762,14 +760,18 @@ static int split_mail_conv(mail_conv_fn fn, struct am_state *state,
 		mail = mkpath("%s/%0*d", state->dir, state->prec, i + 1);
 
 		out = fopen(mail, "w");
-		if (!out)
+		if (!out) {
+			if (in != stdin)
+				fclose(in);
 			return error_errno(_("could not open '%s' for writing"),
 					   mail);
+		}
 
 		ret = fn(out, in, keep_cr);
 
 		fclose(out);
-		fclose(in);
+		if (in != stdin)
+			fclose(in);
 
 		if (ret)
 			return error(_("could not parse patch '%s'"), *paths);
@@ -1049,7 +1051,7 @@ static void am_setup(struct am_state *state, enum patch_format patch_format,
 	} else {
 		write_state_text(state, "abort-safety", "");
 		if (!state->rebasing)
-			delete_ref("ORIG_HEAD", NULL, 0);
+			delete_ref(NULL, "ORIG_HEAD", NULL, 0);
 	}
 
 	/*
@@ -1119,7 +1121,7 @@ static void refresh_and_write_cache(void)
 {
 	struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
 
-	hold_locked_index(lock_file, 1);
+	hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);
 	refresh_cache(REFRESH_QUIET);
 	if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
 		die(_("unable to write index file"));
@@ -1181,42 +1183,39 @@ 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);
 }
 
@@ -1321,9 +1320,6 @@ 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);
 
@@ -1842,6 +1838,9 @@ 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);
 		}
@@ -1970,7 +1969,7 @@ static int fast_forward_to(struct tree *head, struct tree *remote, int reset)
 		return -1;
 
 	lock_file = xcalloc(1, sizeof(struct lock_file));
-	hold_locked_index(lock_file, 1);
+	hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);
 
 	refresh_cache(REFRESH_QUIET);
 
@@ -2010,7 +2009,7 @@ static int merge_tree(struct tree *tree)
 		return -1;
 
 	lock_file = xcalloc(1, sizeof(struct lock_file));
-	hold_locked_index(lock_file, 1);
+	hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);
 
 	memset(&opts, 0, sizeof(opts));
 	opts.head_idx = 1;
@@ -2166,7 +2165,7 @@ static void am_abort(struct am_state *state)
 				has_curr_head ? &curr_head : NULL, 0,
 				UPDATE_REFS_DIE_ON_ERR);
 	else if (curr_branch)
-		delete_ref(curr_branch, NULL, REF_NODEREF);
+		delete_ref(NULL, curr_branch, NULL, REF_NODEREF);
 
 	free(curr_branch);
 	am_destroy(state);
@@ -2316,7 +2315,7 @@ int cmd_am(int argc, const char **argv, const char *prefix)
 
 	git_config(git_am_config, NULL);
 
-	am_state_init(&state, git_path("rebase-apply"));
+	am_state_init(&state);
 
 	in_progress = am_in_progress(&state);
 	if (in_progress)