Mirror repositories #1446
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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 |