Upstream PR force-push tracking #49
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| 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" } | |
| } |