GM: fix --mismatchPath option

gm/tests/run.sh

Index: gm/tests/run.sh
===================================================================
--- gm/tests/run.sh	(revision 8959)
+++ gm/tests/run.sh	(working copy)
@@ -63,6 +63,11 @@
   rm -rf $ACTUAL_OUTPUT_DIR
   mkdir -p $ACTUAL_OUTPUT_DIR
   COMMAND="$GM_BINARY $GM_ARGS --writeJsonSummaryPath $JSON_SUMMARY_FILE"
+  # EPOGER: start temporary change (won't be able to commit this, because
+  # different image files are generated on different platforms)
+  #mkdir -p $ACTUAL_OUTPUT_DIR/writePath $ACTUAL_OUTPUT_DIR/mismatchPath
+  COMMAND="$COMMAND --writePath $ACTUAL_OUTPUT_DIR/writePath --mismatchPath $ACTUAL_OUTPUT_DIR/mismatchPath"
+  # EPOGER: end temporary change
   echo "$COMMAND" >$ACTUAL_OUTPUT_DIR/command_line
   $COMMAND >$ACTUAL_OUTPUT_DIR/stdout 2>$ACTUAL_OUTPUT_DIR/stderr
   echo $? >$ACTUAL_OUTPUT_DIR/return_value
@@ -77,6 +82,15 @@
   grep ^GM: $ACTUAL_OUTPUT_DIR/stderr >$ACTUAL_OUTPUT_DIR/stderr-tmp
   mv $ACTUAL_OUTPUT_DIR/stderr-tmp $ACTUAL_OUTPUT_DIR/stderr
 
+  # EPOGER: start temporary change (don't want to commit this)
+  IMAGEFILES=$(ls $ACTUAL_OUTPUT_DIR/*/*/*.png)
+  for IMAGEFILE in $IMAGEFILES; do
+    SUM=$(sum $IMAGEFILE)
+    echo "Replaced image bytes with a checksum, because gcl upload cannot handle PNGs" >$IMAGEFILE
+    echo $SUM >> $IMAGEFILE
+  done
+  # EPOGER: end temporary change
+
   compare_directories $EXPECTED_OUTPUT_DIR $ACTUAL_OUTPUT_DIR
 }