Upstream PR force-push tracking #63
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: Upstream PR force-push tracking | |
| on: | |
| push: | |
| branches-ignore: | |
| - 'subm-pretest/**' | |
| schedule: | |
| - cron: '30 * * * *' | |
| workflow_dispatch: | |
| permissions: | |
| contents: write | |
| concurrency: | |
| group: ${{ github.workflow }} | |
| cancel-in-progress: false | |
| # Upstream pretest needs PR history with no force-pushes | |
| # Otherwise force-pushed changes appear as conflicts, even if they are trivial | |
| # This workflow maintains a force-tracking branch for each PR head branch | |
| jobs: | |
| enmr_subm: | |
| runs-on: windows-latest | |
| outputs: | |
| subm_list: ${{ steps.make_subm_list.outputs.subm_list }} | |
| steps: | |
| - name: git config | |
| run: | | |
| git config --global gc.auto 0 | |
| git config --global core.autocrlf false | |
| git config --global user.name "sun pack bot" | |
| git config --global user.email "[email protected]" | |
| git config --global --add url.https://github.com/.insteadOf "[email protected]:" | |
| - name: Checkout | |
| uses: actions/checkout@main | |
| with: | |
| sparse-checkout-cone-mode: false | |
| sparse-checkout: | | |
| .gitmodules | |
| - name: (!) Make submodule list | |
| id: make_subm_list | |
| run: | | |
| $subm_list = @() | |
| foreach ($config_key in git config --file .gitmodules --name-only --get-regexp '^submodule\..+\.url$') { | |
| $repo_url = git config --file .gitmodules --get $config_key | |
| Write-Host "Repo URL: $repo_url" | |
| if ($repo_url -notmatch '^git@github\.com:([\w\-]+)/([\w\-]+)\.git$') { | |
| throw "Unexpected URL format: $repo_url" | |
| } | |
| $repo_owner = $matches[1] | |
| $repo_name = $matches[2] | |
| $fork_repo = "SunSerega/${repo_name}" | |
| $fork_url = "[email protected]:${fork_repo}.git" | |
| $subm_list += [PSCustomObject]@{ | |
| '!id' = $repo_name; | |
| 'repo_url' = $repo_url; | |
| 'repo_owner' = $repo_owner; | |
| 'repo_name' = $repo_name; | |
| 'fork_repo' = $fork_repo; | |
| 'fork_url' = $fork_url; | |
| } | |
| } | |
| $json = ConvertTo-Json -Compress $subm_list | |
| Write-Host $json | |
| echo "subm_list=$json" >> $env:GITHUB_OUTPUT | |
| update-force-tracking: | |
| runs-on: windows-latest | |
| needs: enmr_subm | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| subm-data: ${{ fromJson(needs.enmr_subm.outputs.subm_list) }} | |
| steps: | |
| - name: git config | |
| run: | | |
| git config --global gc.auto 0 | |
| git config --global core.autocrlf false | |
| git config --global advice.detachedHead false | |
| git config --global user.name "sun pack bot" | |
| git config --global user.email "[email protected]" | |
| git config --global --add url.https://github.com/.insteadOf "[email protected]:" | |
| - name: checkout subm fork | |
| uses: actions/checkout@main | |
| with: | |
| ref: 'custom' | |
| fetch-depth: 0 | |
| repository: ${{ matrix.subm-data.fork_repo }} | |
| token: ${{ secrets.POCGL_pretest_upstream_PAT }} | |
| - name: (!) Update force-tracking | |
| run: | | |
| git remote add upstream ${{ matrix.subm-data.repo_url }} | |
| if (-not $?) { throw "git remote add failed" } | |
| git config --replace-all remote.upstream.fetch '+refs/pull/*:refs/remotes/upstream/pull/*' | |
| if (-not $?) { throw "git config failed" } | |
| git fetch upstream 2>&1 | Out-Null | |
| if (-not $?) { throw "git fetch failed" } | |
| $l_open_prs = @() | |
| foreach ($b_pr_merge in git branch --format='%(refname:short)' -r --list 'upstream/pull/*/merge') { | |
| Write-Host "PR merge branch: $b_pr_merge" | |
| if ($b_pr_merge -notmatch '^upstream/pull/(\d+)/merge$') { | |
| throw "Unexpected merge branch format: $b_pr_merge" | |
| } | |
| $pr_num = $matches[1] | |
| $l_open_prs += $pr_num | |
| } | |
| if (-not $?) { throw "git branch failed" } | |
| $l_force_tracking = @() | |
| foreach ($b_pr_ft in git branch --format='%(refname:short)' -r --list 'origin/force-tracking/*') { | |
| Write-Host "PR force-tracking branch: $b_pr_ft" | |
| if ($b_pr_ft -notmatch '^origin/force-tracking/(\d+)$') { | |
| throw "Unexpected force-tracking branch format: $b_pr_ft" | |
| } | |
| $pr_num = $matches[1] | |
| $l_force_tracking += $pr_num | |
| } | |
| if (-not $?) { throw "git branch failed" } | |
| $l_legacy_ft = @() | |
| foreach ($pr_num in $l_force_tracking) { | |
| if ($pr_num -in $l_open_prs) { continue } | |
| Write-Host "Delete force-tracking branch for PR $pr_num" | |
| $l_legacy_ft += "force-tracking/$pr_num" | |
| } | |
| if ($l_legacy_ft) { | |
| git push origin --delete $l_legacy_ft | |
| if (-not $?) { throw "git push failed" } | |
| } | |
| foreach ($pr_num in $l_open_prs) { | |
| $b_upstream = "pull/$pr_num/head" | |
| $b_r_upstream = "upstream/$b_upstream" | |
| $b_ft = "force-tracking/$pr_num" | |
| $b_r_ft = "origin/$b_ft" | |
| if ($pr_num -notin $l_force_tracking) { | |
| Write-Host "Create force-tracking branch for PR $pr_num" | |
| git checkout -b $b_ft $b_r_upstream 2>&1 | Out-Null | |
| if (-not $?) { throw "git checkout failed" } | |
| git push --set-upstream origin $b_ft 2>&1 | Out-Null | |
| if (-not $?) { throw "git push failed" } | |
| continue | |
| } | |
| # Write-Host "Checkout force-tracking branch for PR $pr_num" | |
| git checkout --track $b_r_ft 2>&1 | Out-Null | |
| if (-not $?) { throw "git checkout failed" } | |
| $upstream_fwd_c = git rev-list --count "HEAD..$b_r_upstream" | |
| if (-not $?) { throw "git rev-list failed" } | |
| if ($upstream_fwd_c -eq 0) { | |
| # Write-Host "No upstream changes for PR $pr_num" | |
| continue | |
| } | |
| Write-Host "Upstream changes for PR ${pr_num}: $upstream_fwd_c new commits" | |
| $ft_fwd_c = git rev-list --count "$b_r_upstream..HEAD" | |
| if (-not $?) { throw "git rev-list failed" } | |
| if ($ft_fwd_c -eq 0) { | |
| Write-Host "Force-tracking branch is inline under upstream, fast-forwarding" | |
| git reset --hard $b_r_upstream | |
| if (-not $?) { throw "git reset failed" } | |
| git push | |
| if (-not $?) { throw "git push failed" } | |
| continue | |
| } | |
| Write-Host "Force-tracking branch has $ft_fwd_c unique commits, merging" | |
| git merge --no-commit $b_r_upstream | |
| if (-not $?) { | |
| Write-Host "Conflicts detected, ignoring" | |
| } | |
| Remove-Item -Recurse -Exclude '.\.git' .\* | |
| git checkout $b_r_upstream -- . | |
| git add . | |
| if (-not $?) { throw "git add failed" } | |
| git commit --no-edit | |
| if (-not $?) { throw "git commit failed" } | |
| git push | |
| if (-not $?) { throw "git push failed" } | |
| } |