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#! /bin/bash
# Copyright 2014 Google Inc. 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
function usage() {
[ -n "${1:-}" ] && echo "Invalid command(s): $1" >&2
echo "syntax: $0 command[,command]* [BAZEL_BIN [BAZEL_SUM]]" >&2
echo " Available commands: bootstrap, determinism, test, all" >&2
exit 1
}
function parse_options() {
local keywords="(bootstrap|test|determinism|all)"
[[ "${1:-}" =~ ^$keywords(,$keywords)*$ ]] || usage "$@"
DO_BOOTSTRAP=
DO_CHECKSUM=
DO_TESTS=
[[ "$1" =~ (bootstrap|all) ]] && DO_BOOTSTRAP=1
[[ "$1" =~ (determinism|all) ]] && DO_CHECKSUM=1
[[ "$1" =~ (test|all) ]] && DO_TESTS=1
BAZEL_BIN=${2:-"bazel-bin/src/bazel"}
BAZEL_SUM=${3:-"bazel-out/bazel_checksum"}
}
PLATFORM="$(uname -s | tr 'A-Z' 'a-z')"
if [[ ${PLATFORM} == "darwin" ]]; then
function md5_file() {
md5 $1 | sed 's|^MD5 (\(.*\)) =|\1|'
}
else
function md5_file() {
md5sum $1
}
fi
function md5_outputs() {
[ -n "${BAZEL_TEST_XTRACE:-}" ] && set +x # Avoid garbage in the output
# runfiles/MANIFEST & runfiles_manifest contain absolute path, ignore.
# ar on OS-X is non-deterministic, ignore .a files.
for i in $(find bazel-bin/ -type f -a \! -name MANIFEST -a \! -name '*.runfiles_manifest' -a \! -name '*.a'); do
md5_file $i
done
for i in $(find bazel-genfiles/ -type f); do
md5_file $i
done
[ -n "${BAZEL_TEST_XTRACE:-}" ] && set -x
}
function get_outputs_sum() {
md5_outputs | sort -k 2
}
function fail() {
echo $1 >&2
exit 1
}
function bootstrap() {
local BAZEL_BIN=$1
local BAZEL_SUM=$2
[ -x "${BAZEL_BIN}" ] || fail "syntax: bootstrap bazel-binary"
${BAZEL_BIN} --blazerc=/dev/null clean || return $?
${BAZEL_BIN} --blazerc=/dev/null build --nostamp //src:bazel //src:tools || return $?
if [ -n "${BAZEL_SUM}" ]; then
get_outputs_sum > ${BAZEL_SUM} || return $?
fi
}
function copy_bootstrap() {
if [ -z "${BOOTSTRAP:-}" ]; then
BOOTSTRAP=$(mktemp /tmp/bootstrap.XXXXXXXXXX)
trap '{ rm -f $BOOTSTRAP; }' EXIT
cp -f $BAZEL_BIN $BOOTSTRAP
chmod +x $BOOTSTRAP
fi
}
function start_test() {
echo "****${1//?/*}****"
echo "*** $1 ***"
echo "****${1//?/*}****"
}
function end_test() {
echo " ==> $1 passed"
echo
echo
}
parse_options "$@"
if [ -n "${DO_BOOTSTRAP}" -o ! -x ${BAZEL_BIN} ]; then
start_test bootstrap
[ -x "output/bazel" ] || ./compile.sh || fail "Compilation failed"
bootstrap output/bazel ${BAZEL_SUM} || fail "Bootstrap failed"
end_test bootstrap
fi
# check that bootstrapped binary actually runs correctly
copy_bootstrap
$BOOTSTRAP >/dev/null || fail "Bootstrapped binary is non-functional"
if [ $DO_CHECKSUM ]; then
start_test checksum
SUM1=$(mktemp /tmp/bootstrap-sum.XXXXXXXXXX)
SUM2=$(mktemp /tmp/bootstrap-sum.XXXXXXXXXX)
trap '{ rm -f $BOOTSTRAP $SUM1 $SUM2; }' EXIT
cat $BAZEL_SUM > $SUM1
# Second run
bootstrap $BOOTSTRAP $SUM2 || fail "Bootstrap failed"
(diff -U 0 $SUM1 $SUM2 >&2) || fail "Differences detected in outputs!"
end_test checksum
fi
if [ $DO_TESTS ]; then
start_test "test"
$BOOTSTRAP --blazerc=/dev/null test -k --test_output=errors //src/... || fail "Tests failed"
end_test "test"
fi
echo "Bootstrap tests succeeded (tested: $1)"
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