From: Joel Rosdahl <joel@rosdahl.net>
Date: Mon, 16 Mar 2015 21:31:33 +0000 (+0100)
Subject: Wipe the whole cached result on failure retrieving a cached file
X-Git-Tag: v3.2.2~17
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=de701185bf2928d70ce732ab03f04a4a031caaa9;p=thirdparty%2Fccache.git

Wipe the whole cached result on failure retrieving a cached file

As suggested by Chiaki ISHIKAWA <ishikawa@yk.rim.or.jp>.
---

diff --git a/ccache.c b/ccache.c
index 44383d1bd..5e904d814 100644
--- a/ccache.c
+++ b/ccache.c
@@ -723,6 +723,14 @@ get_file_from_cache(const char *source, const char *dest)
 			       strerror(errno));
 			stats_update(STATS_ERROR);
 		}
+
+		/* If there was trouble getting a file from the cached result, wipe the
+		 * whole cached result for consistency. */
+		x_unlink(cached_stderr);
+		x_unlink(cached_obj);
+		x_unlink(cached_dep);
+		x_unlink(cached_dia);
+
 		failed();
 	}