[PATH] cg-Xlib: Fix problem with cg-update and deleted files

[Jonas Fonseca <fonseca@diku.dk>]

Marcel Holtmann <marcel@holtmann.org> wrote Mon, May 30, 2005:
> with the latest cg-update and pulling the linux-2.6 repository I saw
> problems with deleted files:

Update tree_timewarp()s git-diff-tree logic to handle the diff-format
header and file both being NUL separated.

Signed-off-by: Jonas Fonseca <fonseca@diku.dk>
---

I've only tested it in a small test script ...

diff --git a/cg-Xlib b/cg-Xlib
--- a/cg-Xlib
+++ b/cg-Xlib
@@ -73,10 +73,15 @@ tree_timewarp () {
 	echo "$branch" > $_git/HEAD
 
 	# Kill gone files
-	git-diff-tree -z -r $base $branch | egrep -z '^:([^ ][^ ]* ){4}D' | xargs -0 bash -c '
+	git-diff-tree -r $base $branch | xargs -0 bash -c '
 		while [ "$1" ]; do
-			rm -- "$(echo "$1" | cut -f 2)"
-			shift
+			header="$1"; shift
+			file="$1"; shift
+
+			# match ":100755 000000 14d43b1abf... 000000000... D"
+			if echo "$header" | egrep "^:([^ ][^ ]* ){4}D" >/dev/null; then
+				rm -- "$file"
+			fi
 		done
 	' padding
 	git-checkout-cache -f -a
-- 
Jonas Fonseca