Merge branches 'jc/fix-co-candy', 'jc/fix-rename-leak' and 'ar/fix-win' into maint

* jc/fix-co-candy:
  checkout - eye candy.

* jc/fix-rename-leak:
  diffcore-rename: plug memory leak.

* ar/fix-win:
  fix t5600-clone-fail-cleanup.sh on windows

git-clone.sh

@@ -118,7 +118,7 @@ dir="$2"
 [ -e "$dir" ] && echo "$dir already exists." && usage
 mkdir -p "$dir" &&
 D=$(cd "$dir" && pwd) &&
-trap 'err=$?; rm -r $D; exit $err' exit
+trap 'err=$?; cd ..; rm -r "$D"; exit $err' exit
 case "$bare" in
 yes) GIT_DIR="$D" ;;
 *) GIT_DIR="$D/.git" ;;
@@ -253,7 +253,7 @@ Pull: $head_points_at:$origin" &&
 
 	case "$no_checkout" in
 	'')
-		git checkout
+		git-read-tree -m -u -v HEAD HEAD
 	esac
 fi