don't call git

Index: scripts/genGitHdr.sh
--- scripts/genGitHdr.sh.orig
+++ scripts/genGitHdr.sh
@@ -3,14 +3,14 @@
 OUTPUT_DIR=$1;
 
 FILE="fceux_git_info.cpp"
-TMP_FILE="/tmp/$FILE";
+TMP_FILE="$OUTPUT_DIR/$FILE";
 
 echo "Output File: $OUTPUT_DIR/$FILE";
 
-GIT_URL=`git config --get remote.origin.url`;
-GIT_REV=`git rev-parse HEAD`;
+GIT_URL="${HOMEPAGE}"
+GIT_REV="${V}"
 
-echo "// fceux_git_info.cpp -- DO NOT EDIT: This file is auto-generated at build" >| $TMP_FILE;
+echo "// fceux_git_info.cpp -- DO NOT EDIT: This file is auto-generated at build" > $TMP_FILE;
 echo "#include \"Qt/fceux_git_info.h\" " >> $TMP_FILE;
 echo "#define FCEUX_GIT_URL  \"$GIT_URL\" " >> $TMP_FILE;
 echo "#define FCEUX_GIT_REV  \"$GIT_REV\" " >> $TMP_FILE;
@@ -19,15 +19,3 @@ echo "const char *fceu_get_git_rev(void){ return FCEUX
 
 echo "Git URL: $GIT_URL ";
 echo "Git Rev: $GIT_REV ";
-if [ -e $OUTPUT_DIR/$FILE ]; then
-
-	diff -q $TMP_FILE  $OUTPUT_DIR/$FILE
-
-	if [ $? != 0 ]; then
-		mv -f  $TMP_FILE  $OUTPUT_DIR/$FILE;
-		echo "Updated $OUTPUT_DIR/$FILE";
-	fi
-else
-	mv -f  $TMP_FILE  $OUTPUT_DIR/$FILE
-	echo "Generated $OUTPUT_DIR/$FILE";
-fi