* After building, scan for actual file system references as

  opposed to declared references.  This prunes the reference
  graph, thus allowing better garbage collection and more
  efficient derivate distribution.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/archive.cc b/src/archive.cc
index 7e07b8a08b49..c9b78824e74b 100644
--- a/src/archive.cc
+++ b/src/archive.cc
@@ -87,7 +87,7 @@ static void dumpContents(const string & path, unsigned int size,
     writeInt(size, sink);
 
     int fd = open(path.c_str(), O_RDONLY);
-    if (fd == -1) throw SysError("opening file " + path);
+    if (fd == -1) throw SysError(format("opening file `%1%'") % path);
     
     unsigned char buf[65536];
 
@@ -112,7 +112,7 @@ static void dump(const string & path, DumpSink & sink)
 {
     struct stat st;
     if (lstat(path.c_str(), &st))
-        throw SysError("getting attributes of path " + path);
+        throw SysError(format("getting attributes of path `%1%'") % path);
 
     writeString("(", sink);