Temporarily downgrade Git to prevent fatal error

Author: hugovk

.github/workflows/reusable-check-html-ids.yml

@@ -20,6 +20,14 @@ jobs:
         with:
           persist-credentials: false
           ref: ${{ github.event.pull_request.head.sha }}
+      - name: 'Downgrade Git'
+        # Temporarily downgrade to 2.43 until 2.55 is in the runner image,
+        # to avoid "fatal: shallow file has changed since we read it" bug.
+        # See https://github.com/python/cpython/issues/151365.
+        run: |
+          version=$(apt-cache madison git | awk '/noble-updates/ {print $3; exit}')
+          sudo apt-get install -y --allow-downgrades "git=${version}" "git-man=${version}"
+          git --version
       - name: 'Find merge base'
         id: merge-base
         run: |

.github/workflows/reusable-context.yml

@@ -90,6 +90,16 @@ jobs:
             || ''
           }}
 
+    - name: 'Downgrade Git'
+      # Temporarily downgrade to 2.43 until 2.55 is in the runner image,
+      # to avoid "fatal: shallow file has changed since we read it" bug.
+      # See https://github.com/python/cpython/issues/151365.
+      if: github.event_name == 'pull_request'
+      run: |
+        version=$(apt-cache madison git | awk '/noble-updates/ {print $3; exit}')
+        sudo apt-get install -y --allow-downgrades "git=${version}" "git-man=${version}"
+        git --version
+
     # Adapted from https://github.com/actions/checkout/issues/520#issuecomment-1167205721
     - name: Fetch commits to get branch diff
       if: github.event_name == 'pull_request'

.github/workflows/reusable-docs.yml

@@ -47,6 +47,15 @@ jobs:
             && github.event.pull_request.head.sha
             || ''
           }}
+    - name: 'Downgrade Git'
+      # Temporarily downgrade to 2.43 until 2.55 is in the runner image,
+      # to avoid "fatal: shallow file has changed since we read it" bug.
+      # See https://github.com/python/cpython/issues/151365.
+      if: github.event_name == 'pull_request'
+      run: |
+        version=$(apt-cache madison git | awk '/noble-updates/ {print $3; exit}')
+        sudo apt-get install -y --allow-downgrades "git=${version}" "git-man=${version}"
+        git --version
     # Adapted from https://github.com/actions/checkout/issues/520#issuecomment-1167205721
     - name: 'Fetch commits to get branch diff'
       if: github.event_name == 'pull_request'