Cause error when date parsing is failed

2 files changed, 5 insertions, 3 deletions

diff --git a/src/date.c b/src/date.c
index 2297ee66c..af6694e30 100644
--- a/src/date.c
+++ b/src/date.c
@@ -853,7 +853,7 @@ static git_time_t approxidate_str(const char *date,
 	}
 	pending_number(&tm, &number);
 	if (!touched)
-		*error_ret = 1;
+		*error_ret = -1;
 	return update_tm(&tm, &now, 0);
 }
 
@@ -872,7 +872,7 @@ int git__date_parse(git_time_t *out, const char *date)
 		return -1;
 
 	*out = approxidate_str(date, time_sec, &error_ret);
-   return error_ret;
+	return error_ret;
 }
 
 int git__date_rfc2822_fmt(char *out, size_t len, const git_time *date)
diff --git a/src/revparse.c b/src/revparse.c
index 8be22d6dd..2815bcfc4 100644
--- a/src/revparse.c
+++ b/src/revparse.c
@@ -348,8 +348,10 @@ static int handle_at_syntax(git_object **out, git_reference **ref, const char *s
 		goto cleanup;
 	}
 
-	if (git__date_parse(&timestamp, curly_braces_content) < 0)
+	if (git__date_parse(&timestamp, curly_braces_content) < 0) {
+		error = GIT_EINVALIDSPEC;
 		goto cleanup;
+	}
 
 	error = retrieve_revobject_from_reflog(out, ref, repo, git_str_cstr(&identifier), (size_t)timestamp);