diff --git a/contrib/remove-notedb-refs.sh b/contrib/remove-notedb-refs.sh new file mode 100755 index 0000000000..3c13067d5a --- /dev/null +++ b/contrib/remove-notedb-refs.sh @@ -0,0 +1,56 @@ +# Copyright (C) 2019 The Android Open Source Project +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#!/usr/bin/env bash + +set -e + +if [[ "$#" -lt "2" ]] ; then + cat <<EOF +Usage: run "$0 /path/to/git/dir [project...]" or "$0 /path/to/git/dir ALL" + +This util script can be used in case of rollback to ReviewDB during an unsuccessful +migration to NoteDB or simply while testing the migration process. + +It will remove all the refs used by NoteDB added during the migration (i.e.: change meta refs and sequence ref). +EOF + exit 1 +fi + +GERRIT_GIT_DIR=$1 +shift + +ALL_PROJECTS=$@ +if [[ "$2" -eq "ALL" ]] ; then + ALL_PROJECTS=`find "${GERRIT_GIT_DIR}" -type d -name "*.git"` +fi + +ALL_PROJECTS_ARRAY=(${ALL_PROJECTS// / }) + +for project in "${ALL_PROJECTS_ARRAY[@]}" +do + if [[ "$project" =~ /All-Users\.git$ ]]; then + echo "Skipping $project ..." + else + echo "Removing meta ref for $project ..." + cd "$project" + if `git show-ref meta | grep -q "/meta$"`; then + git show-ref meta | grep "/meta$" | cut -d' ' -f2 | xargs -L1 git update-ref -d + fi + fi +done + +echo "Remove sequence ref" +allProjectDir="$GERRIT_GIT_DIR/All-Projects.git" +cd $allProjectDir +git update-ref -d refs/sequences/changes