.github: Bump actions/checkout from 6.0.3 to 7.0.0 (#533268)

.github/actions/checkout/action.yml

@@ -15,7 +15,7 @@ runs:
   steps:
     # We don't actually need anything in this directory, but we need a small
     # sparse checkout, and this directory is small.
-    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       with:
         persist-credentials: false
         sparse-checkout: .github/actions

.github/workflows/backport.yml

@@ -36,13 +36,16 @@ jobs:
           permission-pull-requests: write
           permission-workflows: write
 
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           # Avoid materializing full nixpkgs tree
           sparse-checkout: .
           token: ${{ steps.app-token.outputs.token }}
           persist-credentials: true
+          # The PR is already merged, and its commits are only cherry-picked by
+          # git, never executed, so checking out fork PR commits is safe here.
+          allow-unsafe-pr-checkout: true
 
       - name: Log current API rate limits
         env:

.github/workflows/bot.yml

@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-slim
     if: github.event_name != 'schedule' || github.repository_owner == 'NixOS'
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
           sparse-checkout: |

.github/workflows/check.yml

@@ -47,7 +47,7 @@ jobs:
     runs-on: ubuntu-slim
     timeout-minutes: 3
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
           path: trusted
@@ -101,7 +101,7 @@ jobs:
     runs-on: ubuntu-24.04-arm
     timeout-minutes: 8
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
           path: trusted
@@ -147,7 +147,7 @@ jobs:
     runs-on: ubuntu-24.04-arm
     timeout-minutes: 8
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
           path: trusted

.github/workflows/comment.yml

@@ -23,7 +23,7 @@ jobs:
     timeout-minutes: 2
     if: contains(github.event.comment.body, '@NixOS/nixpkgs-merge-bot merge')
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
           sparse-checkout: |

.github/workflows/eval.yml

@@ -50,7 +50,7 @@ jobs:
       ciPinBumpCommit: ${{ steps.find-pinned-commit.outputs.ciPinBumpCommit }}
       ciPinBumpCommitShort: ${{ steps.find-pinned-commit.outputs.ciPinBumpCommitShort }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
           path: trusted
@@ -58,13 +58,16 @@ jobs:
             ci/supportedVersions.nix
 
       - name: Check out the PR at the test merge commit
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
           ref: ${{ inputs.mergedSha }}
           path: untrusted
           sparse-checkout: |
             ci/pinned.json
+          # ci/pinned.json is only read as data by trusted/ci/supportedVersions.nix,
+          # so checking out the fork PR's merge commit is safe here.
+          allow-unsafe-pr-checkout: true
 
       - name: Find commit that touched ci/pinned.json
         id: find-pinned-commit

.github/workflows/lint.yml

@@ -122,7 +122,7 @@ jobs:
     runs-on: ubuntu-24.04-arm
     timeout-minutes: 8
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: true # Needed to run git fetch for large PRs.
           path: trusted

.github/workflows/merge-group.yml

@@ -25,7 +25,7 @@ jobs:
       targetSha: ${{ steps.prepare.outputs.targetSha }}
       systems: ${{ steps.prepare.outputs.systems }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
           sparse-checkout: |

.github/workflows/periodic-merge.yml

@@ -34,7 +34,7 @@ jobs:
           permission-contents: write
           permission-issues: write
 
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
 

.github/workflows/pull-request-target.yml

@@ -36,7 +36,7 @@ jobs:
       systems: ${{ steps.prepare.outputs.systems }}
       touched: ${{ steps.prepare.outputs.touched }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
           sparse-checkout-cone-mode: true # default, for clarity

.github/workflows/review.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-slim
     timeout-minutes: 2
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
           sparse-checkout: |

.github/workflows/teams.yml

@@ -30,7 +30,7 @@ jobs:
           permission-pull-requests: write
 
       - name: Fetch source
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
           sparse-checkout: |

.github/workflows/test.yml

@@ -19,7 +19,7 @@ jobs:
       push: ${{ steps.files.outputs.push }}
       targetSha: ${{ steps.prepare.outputs.targetSha }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
           sparse-checkout-cone-mode: true # default, for clarity