It did not check to see if the working tree was clean and matched
the commit we were starting out as, resulting in the initial rebased
commit including whatever dirty state the working tree has had.
Signed-off-by: Junio C Hamano <junkio@cox.net>
+git-update-cache --refresh || exit
+
-1) upstream=`git-rev-parse --verify "$1"` &&
- ours=`git-rev-parse --verify HEAD` || exit
- ;;
-2) upstream=`git-rev-parse --verify "$1"` &&
- ours=`git-rev-parse --verify "$2"` || exit
- ;;
-*) echo >&2 "$usage"; exit 1 ;;
+1) ours_symbolic=HEAD ;;
+2) ours_symbolic="$2" ;;
+*) die "$usage" ;;
+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
git-read-tree -m -u $ours $upstream &&
git-rev-parse --verify "$upstream^0" >"$GIT_DIR/HEAD" || exit