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improvement(ci): reuse PR checkout mirrors for integration jobs #9651

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waleedlatif1 merged 1 commit into from
Nov 4, 2026
Merged

improvement(ci): reuse PR checkout mirrors for integration jobs #9651

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25 changes: 11 additions & 14 deletions .github/workflows/checks.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -129,7 +129,15 @@ jobs:
ENCRYPTION_KEY: '0000000000000000000000000000000000000000000000000000000000000000'

steps:
- name: Checkout code
# The writable mirror is shared per repository, so only trusted PR jobs use it.
# Forks and deployment-gating pushes use a plain checkout, matching cache isolation.
- &checkout-mirror
name: Checkout code (mirror)
if: (vars.CI_PROVIDER == '' || vars.CI_PROVIDER == 'blacksmith') && github.event_name == 'pull_request' && !github.event.pull_request.head.repo.fork
uses: useblacksmith/checkout@2b9fe87d796feea153b455ec2f3125b471a7b0e7 # v1.8.2
- &checkout-plain
name: Checkout code
if: (vars.CI_PROVIDER != '' && vars.CI_PROVIDER != 'blacksmith') || github.event_name != 'pull_request' || github.event.pull_request.head.repo.fork
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v6

- name: Setup workspace
Expand Down Expand Up @@ -348,19 +356,8 @@ jobs:
ENCRYPTION_KEY: '0000000000000000000000000000000000000000000000000000000000000000'

steps:
# A same-repository pull request checks out through a git mirror on a sticky disk, so a slow
# clone from GitHub (1 in 10 took a minute or more, up to 4) no longer sets the run's pace.
# The mirror is one disk per repository that job steps can write to, so fork pull requests
# and pushes, whose checks gate a deploy, keep the plain checkout: same trust split as the
# setup action's caches.
- &checkout-mirror
name: Checkout code (mirror)
if: (vars.CI_PROVIDER == '' || vars.CI_PROVIDER == 'blacksmith') && github.event_name == 'pull_request' && !github.event.pull_request.head.repo.fork
uses: useblacksmith/checkout@2b9fe87d796feea153b455ec2f3125b471a7b0e7 # v1.8.2
- &checkout-plain
name: Checkout code
if: (vars.CI_PROVIDER != '' && vars.CI_PROVIDER != 'blacksmith') || github.event_name != 'pull_request' || github.event.pull_request.head.repo.fork
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v6
- *checkout-mirror
- *checkout-plain


- name: Setup workspace
Expand Down
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