Mirror repositories #1520
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
name: Mirror repositories | |
on: | |
schedule: | |
- cron: '30 9,12,15,18 * * 1-5' | |
workflow_dispatch: {} | |
env: | |
AWS_REGION : eu-west-2 | |
permissions: | |
id-token: write # Needed for requesting the JWT. | |
contents: read | |
jobs: | |
mirror-repos: | |
runs-on: | |
ubuntu-latest | |
steps: | |
- name: Configure AWS Credentials | |
uses: aws-actions/configure-aws-credentials@e3dd6a429d7300a6a4c196c26e071d42e0343502 # v4.0.2 | |
with: | |
role-to-assume: arn:aws:iam::900804735337:role/github_action_mirror_repos_role | |
aws-region: ${{ env.AWS_REGION }} | |
role-session-name: GitHubActionMirrorRepos | |
role-duration-seconds: 10800 | |
- name: Get repos | |
id: get-repos | |
env: | |
GH_TOKEN: ${{ github.token }} | |
run: | | |
GITHUB_REPOS=$(gh search repos --owner alphagov --topic=govuk --archived=false --json=name -L 500 -q '[.[].name] | unique | join(" ")') | |
echo "github-repos=${GITHUB_REPOS}" >> "$GITHUB_OUTPUT" | |
- name: Sync repositories | |
env: | |
GH_TOKEN: ${{ github.token }} | |
GITHUB_REPOS: ${{ steps.get-repos.outputs.github-repos }} | |
run: | | |
# shellcheck disable=SC2086 # Intentional word-splitting on $GITHUB_REPOS. | |
for repo in ${GITHUB_REPOS}; do | |
git config --global credential.helper '!aws codecommit credential-helper $@' | |
git config --global credential.UseHttpPath true | |
echo "updating" | |
git="git --git-dir ${repo}.git" | |
aws_remote="https://git-codecommit.${AWS_REGION}.amazonaws.com/v1/repos/${repo}" | |
echo "Fetching ${repo} from GitHub" | |
gh repo clone "alphagov/${repo}" -- --mirror | |
echo "Doing some cleanup for ${repo}" | |
${git} reflog expire --expire-unreachable=now --all | |
${git} gc --prune=now | |
echo "List latest tags from ${repo}" | |
LATEST_TAGS=$(${git} for-each-ref --sort=taggerdate --format '%(refname:short)' refs/tags | tail -4000 | tr '\n' ' ') | |
echo "Pushing latest ${repo} tags to AWS CodeCommit" | |
${git} push "${aws_remote}" --force ${LATEST_TAGS} | |
echo "Pushing all ${repo} repo branches to AWS CodeCommit" | |
${git} push "${aws_remote}" --force --quiet --all | |
echo "Manually pushing ${repo} git heads information to AWS CodeCommit" | |
${git} push "${aws_remote}" +refs/remotes/origin/*:refs/heads/* | |
done |