1 files changed, 37 insertions, 0 deletions
diff --git a/scripts/filter.sh b/scripts/filter.sh
new file mode 100755
index 0000000000000..61ecb36fee977
--- /dev/null
+++ b/scripts/filter.sh
@@ -0,0 +1,37 @@
+#!/bin/sh
+
+# git branch -D upstream/rewritten-prev upstream/master upstream/rewritten filter-state      
+
+set -e
+
+export SCRIPTS=$(dirname $(readlink -f $0))
+
+UPSTREAM_MASTER=upstream/master
+UPSTREAM_REWRITTEN=upstream/dts
+
+LAST=$(git show-ref -s refs/heads/$UPSTREAM_MASTER||true)
+if [ -n "$LAST" ] ; then
+    RANGE="$LAST..$UPSTREAM_REWRITTEN"
+else
+    # This must be a new conversion...
+    RANGE="$UPSTREAM_REWRITTEN"
+fi
+
+FETCH_HEAD=$(git rev-parse FETCH_HEAD)
+if [ "$LAST" = "$FETCH_HEAD" ] ; then
+	echo "Nothing new in FETCH_HEAD: $FETCH_HEAD"
+	exit 0
+fi
+
+rm -f .git/refs/original/refs/heads/${UPSTREAM_REWRITTEN}
+
+git branch -f $UPSTREAM_REWRITTEN FETCH_HEAD
+
+sh $SCRIPTS/git-filter-branch --force \
+	--index-filter ${SCRIPTS}/index-filter.sh \
+	--msg-filter 'cat && /bin/echo -e "\n[ upstream commit: $GIT_COMMIT ]"' \
+	--tag-name-filter 'while read t ; do /bin/echo -n $t-dts ; done' \
+	--prune-empty --state-branch refs/heads/filter-state \
+	-- $RANGE
+
+git branch -f $UPSTREAM_MASTER FETCH_HEAD