Use the matching complement branch when running tests in CI. (#10160)

This implements similar behavior to sytest where a matching branch is used,
if one exists. This is useful when needing to modify both application code
and tests at the same time. The following rules are used to find a matching
complement branch:

1. Search for the branch name of the pull request. (E.g. feature/foo.)
2. Search for the base branch of the pull request. (E.g. develop or release-vX.Y.)
3. Search for the reference branch of the commit. (E.g. master or release-vX.Y.)
4. Fallback to 'master', the default complement branch name.
This commit is contained in:
Patrick Cloke 2021-06-11 08:17:17 -04:00 committed by GitHub
parent c8dd4db9eb
commit a14884fbb0
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2 changed files with 24 additions and 5 deletions

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@ -305,11 +305,29 @@ jobs:
with:
path: synapse
- name: Run actions/checkout@v2 for complement
uses: actions/checkout@v2
with:
repository: "matrix-org/complement"
path: complement
# Attempt to check out the same branch of Complement as the PR. If it
# doesn't exist, fallback to master.
- name: Checkout complement
shell: bash
run: |
mkdir -p complement
# Attempt to use the version of complement which best matches the current
# build. Depending on whether this is a PR or release, etc. we need to
# use different fallbacks.
#
# 1. First check if there's a similarly named branch (GITHUB_HEAD_REF
# for pull requests, otherwise GITHUB_REF).
# 2. Attempt to use the base branch, e.g. when merging into release-vX.Y
# (GITHUB_BASE_REF for pull requests).
# 3. Use the default complement branch ("master").
for BRANCH_NAME in "$GITHUB_HEAD_REF" "$GITHUB_BASE_REF" "${GITHUB_REF#refs/heads/}" "master"; do
# Skip empty branch names and merge commits.
if [[ -z "$BRANCH_NAME" || $BRANCH_NAME =~ ^refs/pull/.* ]]; then
continue
fi
(wget -O - "https://github.com/matrix-org/complement/archive/$BRANCH_NAME.tar.gz" | tar -xz --strip-components=1 -C complement) && break
done
# Build initial Synapse image
- run: docker build -t matrixdotorg/synapse:latest -f docker/Dockerfile .

1
changelog.d/10160.misc Normal file
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@ -0,0 +1 @@
Fetch the corresponding complement branch when performing CI.