PR - Manage Stale PRs #2117
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
# Contributors: @wicksipedia @william-liebenberg @GordonBeeming | |
# < as per SSW.Rules: https://www.ssw.com.au/rules/standard-set-of-pull-request-workflows/ > | |
name: "PR - Manage Stale PRs" | |
on: | |
pull_request: | |
types: [opened, ready_for_review] | |
branches: [main] | |
schedule: | |
# run every 2nd hour | |
# https://crontab.guru/#0_0/2_*_*_* | |
- cron: "0 0/2 * * *" | |
workflow_dispatch: | |
permissions: | |
contents: read | |
issues: write | |
repository-projects: read | |
pull-requests: write | |
jobs: | |
new_pull_request: | |
if: ${{ github.event_name == 'pull_request' }} | |
runs-on: ubuntu-latest | |
steps: | |
- name: Checkout | |
uses: actions/checkout@v3 | |
- name: add label | |
shell: pwsh | |
run: | | |
$thisPr = gh pr view ${{ github.event.pull_request.number }} --json number,isCrossRepository | ConvertFrom-Json | |
if ($thisPr.isCrossRepository) { | |
Write-Output "Skipping cross repository PR" | |
return | |
} | |
# ensure labels exist - create them if they don't | |
# https://docs.github.com/en/rest/reference/issues#create-a-label | |
$label = "Age: 🥚 - New" | |
$description = "About 2 hours old" | |
Write-Output "Ensuring label exists: $label ($description))" | |
gh api repos/${{ github.repository }}/labels -f name="$label" -f color=000000 -f description="$description" | |
Write-Output "Adding label: $label" | |
gh pr edit $thisPr.number --add-label "$label" | |
env: | |
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
scheduled_run: | |
if: ${{ github.event_name != 'pull_request' }} | |
runs-on: ubuntu-latest | |
steps: | |
- name: Checkout | |
uses: actions/checkout@v3 | |
- name: Find PRs | |
shell: pwsh | |
run: | | |
# labels for each age in hours (as an array) | |
$labels = @( | |
'Age: 🥚 - New', # 2 hours | |
'Age: 🐣 - Young', # 4 hours | |
'Age: 🐥 - Adolescent', # 8 hours | |
'Age: 🐤 - Mature', # 16 hours | |
'Age: 🐓 - Old', # 32 hours | |
'Age: 🍗 - Ancient', # 64 hours | |
'Age: 🦖 - Extinct' # 128 hours | |
) | |
# ensure labels exist - create them if they don't | |
# https://docs.github.com/en/rest/reference/issues#create-a-label | |
$index = 0 | |
$labels | ForEach-Object { | |
$label = $_ | |
$description = "About $([math]::Pow(2, $index + 1)) hours old" | |
Write-Output "Ensuring label exists: $label ($description))" | |
gh api repos/${{ github.repository }}/labels -f name="$label" -f color=000000 -f description="$description" | |
$index++ | |
} | |
$mergeDebtLabelText = "Merge Debt" | |
$mergeDebtLabel = "🔥 $mergeDebtLabelText" | |
$description = "This PR contains merge debt, see https://www.ssw.com.au/rules/merge-debt/" | |
Write-Output "Ensuring label exists: $mergeDebtLabel ($description))" | |
gh api repos/${{ github.repository }}/labels -f name="$mergeDebtLabel" -f color=000000 -f description="$description" | |
$now = Get-Date -AsUTC | |
# use github cli to get a list of open pull requests | |
$openPullRequests = gh pr list -s open --json title,number,createdAt,labels,author | |
Write-Output "Open pull requests:" | |
# for each pull request in the list calculate the age in hours | |
$openPullRequests | ConvertFrom-Json | ForEach-Object { | |
$title = $_.title | |
$number = $_.number | |
$createdAt = $_.createdAt | |
$prLabels = $_.labels | |
$author = $_.author | |
$ageInHours = [int]($now - $createdAt).TotalHours | |
if ($ageInHours -eq 0) { | |
Write-Output "$($number): $title ($ageInHours hours old) - skipping" | |
return | |
} | |
Write-Output "$($number): $title ($ageInHours hours old)" | |
# find age as nearest doubling number of 2 | |
$ageAsPoints = [math]::Ceiling([math]::Log($ageInHours, 2)) | |
Write-Output "ageAsPoints: $([math]::Pow(2,$ageAsPoints))" | |
# if the age is 0, then set it to 1 | |
if ($ageAsPoints -eq 0) { | |
$ageAsPoints = 1 | |
} | |
# if the age is greater than the length of the labels array | |
# then set it to the last label | |
if ($ageAsPoints -gt $labels.Length) { | |
$ageAsPoints = $labels.Length | |
} | |
$newLabel = $labels[$ageAsPoints - 1] | |
Write-Output "Adding label: $newLabel" | |
# all labels except the new label | |
$allLabels = ($labels | Where-Object { $_ -ne $newLabel }) -join ',' | |
Write-Output "Removing labels: $allLabels" | |
gh pr edit $number --add-label "$newLabel" --remove-label "$allLabels" | |
$mergeLabelExists = $prLabels | Where-Object { $_.name.trim().EndsWith($mergeDebtLabelText) } | |
if ($ageInHours -ge 36 -and $mergeLabelExists -eq $null -and $author.is_bot -eq $false) { # after 36 hours old | |
Write-Output "Adding comment to PR: $number" | |
gh pr edit $number --add-label "$mergeDebtLabel" | |
$comment = @" | |
Howzit @$($author.login), | |
This PR has been here a while. | |
[Did you know you should avoid merge debt?](https://www.ssw.com.au/rules/merge-debt/) | |
Please review and merge or close. | |
Thanks! | |
"@ | |
Set-Content -Path "comment.md" -Value $comment | |
gh pr comment $number --body-file comment.md | |
} | |
Write-Output "" | |
} | |
env: | |
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} |