Merge branch 'cc/find-commit-subject'

* cc/find-commit-subject:
  blame: use find_commit_subject() instead of custom code
  merge-recursive: use find_commit_subject() instead of custom code
  bisect: use find_commit_subject() instead of custom code
  revert: rename variables related to subject in get_message()
  revert: refactor code to find commit subject in find_commit_subject()
  revert: fix off by one read when searching the end of a commit subject

commit.c

@@ -315,6 +315,25 @@ int parse_commit(struct commit *item)
 	return ret;
 }
 
+int find_commit_subject(const char *commit_buffer, const char **subject)
+{
+	const char *eol;
+	const char *p = commit_buffer;
+
+	while (*p && (*p != '\n' || p[1] != '\n'))
+		p++;
+	if (*p) {
+		p += 2;
+		for (eol = p; *eol && *eol != '\n'; eol++)
+			; /* do nothing */
+	} else
+		eol = p;
+
+	*subject = p;
+
+	return eol - p;
+}
+
 struct commit_list *commit_list_insert(struct commit *item, struct commit_list **list_p)
 {
 	struct commit_list *new_list = xmalloc(sizeof(struct commit_list));