| 1 | #!/bin/bash |
| 2 | # shellcheck disable=SC2103 |
| 3 | # |
| 4 | # Copyright (C) 2020 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com> |
| 5 | # |
| 6 | # This program is free software: you can redistribute it and/or modify |
| 7 | # it under the terms of the GNU General Public License as published by |
| 8 | # the Free Software Foundation, either version 3 of the License, or |
| 9 | # (at your option) any later version. |
| 10 | # |
| 11 | # This program is distributed in the hope that it will be useful, |
| 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | # GNU General Public License for more details. |
| 15 | # |
| 16 | # You should have received a copy of the GNU General Public License |
| 17 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 18 | |
| 19 | set -exu |
| 20 | |
| 21 | #Required variables |
| 22 | GERRIT_NAME=${GERRIT_NAME:-} |
| 23 | WORKSPACE=${WORKSPACE:-} |
| 24 | conf=${conf:-} |
| 25 | |
| 26 | gerrit_url="https://${GERRIT_NAME}" |
| 27 | gerrit_query="?o=CURRENT_REVISION&o=DOWNLOAD_COMMANDS" |
| 28 | gerrit_json_query=".revisions[.current_revision].ref" |
| 29 | gerrit_json_query_status=".status" |
| 30 | |
| 31 | possible_depends_on="lttng-ust|lttng-modules|userspace-rcu" |
| 32 | re="Depends-on: (${possible_depends_on}): ([^'$'\n'']*)" |
| 33 | property_file="${WORKSPACE}/gerrit_custom_dependencies.properties" |
| 34 | |
| 35 | # Create the property file even if it ends up being empty |
| 36 | touch "$property_file" |
| 37 | |
| 38 | # Move to lttng-tools source directory |
| 39 | pushd "${WORKSPACE}/src/lttng-tools" |
| 40 | |
| 41 | git rev-list --format=%B --max-count=1 HEAD | while read -r line; do |
| 42 | # Deactivate debug mode to prevent the gcc warning publisher from picking up |
| 43 | # compiler error present in the commit message. |
| 44 | set +x |
| 45 | if ! [[ ${line} =~ ${re} ]]; then |
| 46 | set -x |
| 47 | continue |
| 48 | fi |
| 49 | set -x |
| 50 | |
| 51 | project=${BASH_REMATCH[1]} |
| 52 | gerrit_id=${BASH_REMATCH[2]} |
| 53 | |
| 54 | project_sanitize=${BASH_REMATCH[1]//-/_} |
| 55 | |
| 56 | if [ "$conf" = "no-ust" ] && [ "$project" = "lttng-ust" ]; then |
| 57 | # No need to checkout lttng-ust for this configuration axis |
| 58 | continue |
| 59 | fi |
| 60 | |
| 61 | if [ "$project" = "lttng-modules" ]; then |
| 62 | if [ -d "$WORKSPACE/src/lttng-modules" ]; then |
| 63 | # Remove the regular modules sources to replace them with those |
| 64 | # from the gerrit change |
| 65 | rm -rf "$WORKSPACE/src/lttng-modules" |
| 66 | else |
| 67 | # This job does not require modules sources |
| 68 | continue |
| 69 | fi |
| 70 | fi |
| 71 | |
| 72 | # Export the GERRIT_DEP_... into the property file for further jenkins usage |
| 73 | echo "GERRIT_DEP_${project_sanitize^^}=${gerrit_id}" >> "$property_file" |
| 74 | |
| 75 | # Get the change latest ref |
| 76 | ref=$(curl "${gerrit_url}/changes/${gerrit_id}${gerrit_query}" | tail -n+2 | jq -r "$gerrit_json_query") |
| 77 | change_status=$(curl "${gerrit_url}/changes/${gerrit_id}${gerrit_query}" | tail -n+2 | jq -r "$gerrit_json_query_status") |
| 78 | if [ "$change_status" == "MERGED" ]; then |
| 79 | # When the change we depends on is merged use master as the ref. |
| 80 | # This is not ideal CI time wise since we do not reuse artifacts. |
| 81 | # This solve a tricky situation where we actually want to use master |
| 82 | # instead of the change available on gerrit. Intermediary changes |
| 83 | # present in master could have an impact on the change under test. |
| 84 | ref="refs/heads/master" |
| 85 | elif [ "$change_status" == "ABANDONED" ]; then |
| 86 | # We have a situation where the "HEAD" commit for feature branch are |
| 87 | # not merged and abandoned. Default to the master branch and hope |
| 88 | # for the best. This is far from ideal but we need might also need |
| 89 | # to find a better way to handle feature branch here. In the |
| 90 | # meantime use master for such cases. |
| 91 | echo "Depends-on change is ABANDONED. Defaulting to master" |
| 92 | ref="refs/heads/master" |
| 93 | fi |
| 94 | |
| 95 | # The build.sh script from userspace-rcu expects the source to be located in |
| 96 | # `liburcu` instead of userspace-rcu. Accommodate for this here. |
| 97 | if [ "$project" = "userspace-rcu" ]; then |
| 98 | clone_directory="liburcu" |
| 99 | else |
| 100 | clone_directory="$project" |
| 101 | fi |
| 102 | |
| 103 | clone_directory="$WORKSPACE/src/$clone_directory" |
| 104 | |
| 105 | git clone "${gerrit_url}/${project}" "$clone_directory" |
| 106 | pushd "$clone_directory" |
| 107 | git fetch "${gerrit_url}/${project}" "$ref" |
| 108 | git checkout FETCH_HEAD |
| 109 | popd |
| 110 | done |
| 111 | |
| 112 | popd |