1 files changed, 59 insertions, 0 deletions
diff --git a/git-rebase-script b/git-rebase-script
new file mode 100755
index 0000000000..7b1d4900bd
--- /dev/null
+++ b/git-rebase-script
@@ -0,0 +1,59 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Junio C Hamano.
+#
+
+. git-sh-setup-script || die "Not a git archive."
+
+usage="usage: $0 "'<upstream> [<head>]
+
+Uses output from git-cherry to rebase local commits to the new head of
+upstream tree.'
+
+case "$#,$1" in
+1,*..*)
+    upstream=$(expr "$1" : '\(.*\)\.\.') ours=$(expr "$1" : '.*\.\.\(.*\)$')
+    set x "$upstream" "$ours"
+    shift ;;
+esac
+
+git-update-cache --refresh || exit
+
+case "$#" in
+1) ours_symbolic=HEAD ;;
+2) ours_symbolic="$2" ;;
+*) die "$usage" ;;
+esac
+
+upstream=`git-rev-parse --verify "$1"` &&
+ours=`git-rev-parse --verify "$ours_symbolic^` || exit
+test "$(git-diff-cache --cached "$ours")" = "" || 
+die "Your working tree does not match $ours_symbolic."
+
+git-read-tree -m -u $ours $upstream &&
+git-rev-parse --verify "$upstream^0" >"$GIT_DIR/HEAD" || exit
+
+tmp=.rebase-tmp$$
+fail=$tmp-fail
+trap "rm -rf $tmp-*" 0 1 2 3 15
+
+>$fail
+
+git-cherry $upstream $ours |
+while read sign commit
+do
+	case "$sign" in
+	-) continue ;;
+	esac
+	S=`cat "$GIT_DIR/HEAD"` &&
+        GIT_EXTERNAL_DIFF=git-apply-patch-script git-diff-tree -p $commit &&
+	git-commit-script -C "$commit" || {
+		echo $commit >>$fail
+		git-read-tree --reset -u $S
+	}
+done
+if test -s $fail
+then
+	echo Some commits could not be rebased, check by hand:
+	cat $fail
+fi