| #!/bin/bash |
| # |
| # 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. |
| |
| # |
| # Test that bootstrapping bazel is a fixed point |
| # |
| |
| set -u |
| DISTFILE=$(rlocation io_bazel/${1#./}) |
| shift 1 |
| |
| if [ "${JAVA_VERSION:-}" == "1.7" ] ; then |
| echo "Warning: bootstrapping not tested for java 1.7" |
| exit 0 |
| fi |
| |
| # Load the test setup defined in the parent directory |
| source $(rlocation io_bazel/src/test/shell/integration_test_setup.sh) \ |
| || { echo "integration_test_setup.sh not found!" >&2; exit 1; } |
| |
| function hash_outputs() { |
| [ -n "${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 |
| sha256sum $i |
| done |
| for i in $(find bazel-genfiles/ -type f); do |
| sha256sum $i |
| done |
| [ -n "${BAZEL_TEST_XTRACE:-}" ] && set -x |
| } |
| |
| function get_outputs_sum() { |
| hash_outputs | sort -k 2 |
| } |
| |
| function test_determinism() { |
| local olddir=$(pwd) |
| WRKDIR=$(mktemp -d ${TEST_TMPDIR}/bazelbootstrap.XXXXXXXX) |
| mkdir -p "${WRKDIR}" || fail "Could not create workdir" |
| trap "rm -rf \"$WRKDIR\"" EXIT |
| cd "${WRKDIR}" || fail "Could not change to work directory" |
| unzip -q ${DISTFILE} |
| # Compile bazel a first time |
| bazel build --nostamp src:bazel |
| cp bazel-bin/src/bazel bazel1 |
| get_outputs_sum >"${TEST_TMPDIR}/sum1" |
| ./bazel1 clean --expunge |
| ./bazel1 build --nostamp src:bazel |
| get_outputs_sum >"${TEST_TMPDIR}/sum2" |
| if ! (diff -q "${TEST_TMPDIR}/sum1" "${TEST_TMPDIR}/sum2"); then |
| diff -U0 "${TEST_TMPDIR}/sum1" "${TEST_TMPDIR}/sum2" >$TEST_log |
| fail "Non deterministic outputs found!" |
| fi |
| } |
| |
| run_suite "determinism test" |