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Diffstat (limited to 'combine_distfiles_to_tar.sh')
-rwxr-xr-x | combine_distfiles_to_tar.sh | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/combine_distfiles_to_tar.sh b/combine_distfiles_to_tar.sh new file mode 100755 index 0000000000..40a8f4a336 --- /dev/null +++ b/combine_distfiles_to_tar.sh @@ -0,0 +1,44 @@ +#!/bin/sh + +# Copyright 2016 The Bazel Authors. All rights reserved. +# +# 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. + +set -eu + +# Combine the archives passed to a single archive. +# NOTE: This assumes that the individual archives are already packed +# in a way to contain canonical timestamps. This assumption must be +# met in order to obtain reproducible output; the assumption is met +# for the source tree and the archive of the generated java files. + +OUTPUT="${PWD}/$1" +shift + +TMP_DIR=${TMPDIR:-/tmp} +PACKAGE_DIR="$(mktemp -d ${TMP_DIR%%/}/bazel.XXXXXXXX)" +trap "rm -fr \"${PACKAGE_DIR}\"" EXIT +mkdir -p "${PACKAGE_DIR}" + +for i in $* +do + ARCHIVE="${PWD}/$i" + case "$i" in + *.zip) UNPACK="unzip -q" ;; + *.tar) UNPACK="tar xf" ;; + esac + (cd "${PACKAGE_DIR}" && ${UNPACK} "${ARCHIVE}") +done + +(cd "${PACKAGE_DIR}" && tar -c -f "${OUTPUT}" --group=0 --owner=0 \ + $(find . -type f | sort)) |