# HG changeset patch
# User Ryan Pavlik <rpavlik@iastate.edu>
# Date 1336413341 18000
# Node ID 31a737274b4d4b7ebc43295fce1aabb249139bd5
# Parent  f3bf37ef00a37f7d1cbe975ad520a8cae8530466
patch tool: check preconditions for export

diff -r f3bf37ef00a3 -r 31a737274b4d tools/patch-tool-mxe
--- a/tools/patch-tool-mxe	Mon May 07 12:55:30 2012 -0500
+++ b/tools/patch-tool-mxe	Mon May 07 12:55:41 2012 -0500
@@ -73,6 +73,11 @@
 
 function export_patch {
   setupEnv
+  if [ ! -d $gitsdir/$pkg_subdir ]; then
+    echo "Error: $gitsdir/$pkg_subdir does not exist, so cannot export patches. Cancelling export." >&2
+    exit 1
+  fi
+
   cd $gitsdir/$pkg_subdir && \
   (
     echo 'This file is part of MXE.'