mirror of
https://github.com/flatcar/scripts.git
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507bcbfe06
This is to solve the problem where a build-bot is kicked off for a tree that has no changes in it. This should not happen often. Review URL: http://codereview.chromium.org/2873010
129 lines
2.7 KiB
Bash
Executable File
129 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Save the current state of the tree into a pinned deps file that can later
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# be used to reconstruct the same tree.
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# Load common constants. This should be the first executable line.
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# The path to common.sh should be relative to your script's location.
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. "$(dirname "$0")/common.sh"
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# Script must be run outside the chroot, I am not sure why this is but inside
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# the chroot "gclient" is aliased to a warning about using gclient in the
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# chroot.
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assert_outside_chroot
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# Flags
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BASE_URL="http://src.chromium.org/git"
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DEFINE_string depfile "" "The path to the depfile to create."
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DEFINE_boolean commit ${FLAGS_FALSE} "Commit the resulting depfile."
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DEFINE_boolean substitute ${FLAGS_FALSE} "Substitute a new base git URL."
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DEFINE_string base ${BASE_URL} "Base git URL to substitute"
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# Parse command line
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FLAGS_HELP="usage: $0 [flags]"
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FLAGS "$@" || exit 1
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eval set -- "${FLAGS_ARGV}"
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check_flags_only_and_allow_null_arg "$@" && set --
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# Die on any errors.
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set -e
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if [ -z "$FLAGS_depfile" ] ; then
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echo "Error: --depfile is required."
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exit 1
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fi
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DEPPATH="${GCLIENT_ROOT}/deps"
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DEPFILE="${DEPPATH}/${FLAGS_depfile}"
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TEMPFILE=$(tempfile)
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DIRNAME=$(dirname "${DEPFILE}")
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FILENAME=$(basename "${DEPFILE}")
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cleanup() {
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# Disable die on error.
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set +e
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if [ -f "${TEMPFILE}" ]; then
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rm "${TEMPFILE}"
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fi
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if [ -f "${DEPFILE}" ]; then
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rm "${DEPFILE}"
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fi
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# Turn die on error back on.
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set -e
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}
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reset_repository() {
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echo "Resetting DEPS repository"
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pushd "${DEPPATH}"
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[ -d ".git" ] || die "${DEPPATH} is not a git repository."
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git reset --hard origin/master
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popd
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}
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generate_depfile() {
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echo "Writing pinned DEPS file to ${DEPFILE}"
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mkdir -p "${DIRNAME}"
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gclient revinfo --snapshot > "${TEMPFILE}"
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ARGS=""
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if [[ $FLAGS_substitute -eq $FLAGS_TRUE ]]; then
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ARGS="${ARGS} -s -b ${FLAGS_base}"
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fi
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ARGS="${ARGS} ${TEMPFILE}"
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"${SCRIPTS_DIR}/make_relative_solution" ${ARGS} > ${DEPFILE}
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rm -f "${TEMPFILE}"
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}
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commit_depfile() {
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echo "Commiting pinned DEPS file"
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pushd "${DEPPATH}"
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git add "${FLAGS_depfile}"
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git commit -m "Automated buildbot update of pinned DEPS file." --allow-empty
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git reset --hard HEAD
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git clean -f
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git remote update
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git rebase -s ours origin/master
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git push
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popd
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}
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#
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# Generate a pinned deps file from the current gclient sync and check it into
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# the deps.git repository.
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#
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trap "cleanup" EXIT
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if [[ $FLAGS_commit -eq $FLAGS_TRUE ]]; then
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reset_repository
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fi
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generate_depfile
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if [[ $FLAGS_commit -eq $FLAGS_TRUE ]]; then
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commit_depfile
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fi
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trap - EXIT
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