revert platform case

Author: lynxlynxlynx

scripts/prepare-commit.sh

@@ -20,15 +20,7 @@ set -e
 if [ -d .svn ]; then
 	MODIFIED=$(svn status | sed -ne "s/^[MA] *//p")
 elif [ -d .git ]; then
-  case $OSTYPE in
-  darwin*)
-    MODIFIED=$(git status | sed -Ene "s/^#	(modified|new file): *//p" | sort -u)
-    ;;
-  *)
-    MODIFIED=$(git status | sed -rne "s/^#	(modified|new file): *//p" | sort -u)
-    ;;
-  esac
-
+	MODIFIED=$(git status --porcelain| sed -ne "s/^ *[MA]  *//p" | sort -u)
 else
 	echo No working copy
 	exit 1