Fix a minor issue with "git-set-mtimes" on a dirty working tree

bashbrew/git-set-mtimes

@@ -6,6 +6,10 @@ files=( $({ git ls-files | xargs -n1 dirname | sort -u && git ls-files; } | sort
 unset IFS
 
 for f in "${files[@]}"; do
+	if [ ! -e "$f" ]; then
+		# don't try touching files that don't exist
+		continue
+	fi
 	stamp="$(git --no-pager log -1 --format='format:%ai' -- "$f")"
 	touchFormat="$(date --date="$stamp" +'%Y%m%d%H%M.%S')"
 	touch --no-dereference -t "$touchFormat" "$f"