work around brew erroring in github actions (#317)

* See actions/setup-python#577 * this seemed to be a popular fix
BlueBrain · Nov 22, 2023 · f3049f9 · f3049f9
1 parent f5737b6
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diff --git a/.github/workflows/publish-sdist-wheels.yml b/.github/workflows/publish-sdist-wheels.yml
@@ -44,6 +44,10 @@ jobs:
  env:
  MACOSX_DEPLOYMENT_TARGET: '10.13'
  CIBW_BEFORE_BUILD: |
+ # Unlink and re-link to prevent errors when GitHub macOS runner images
+ # install Python outside of brew.
+ brew list -1 | grep python | while read formula; do brew unlink $formula; brew link --overwrite $formula; done
+
  brew update
  brew --version
  brew install cmake

diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
@@ -66,6 +66,10 @@ jobs:
 
  - name: Install packages on MacOS
  run: |
+ # Unlink and re-link to prevent errors when GitHub macOS runner images
+ # install Python outside of brew; See actions/setup-python#577 
+ brew list -1 | grep python | while read formula; do brew unlink $formula; brew link --overwrite $formula; done
+
  brew update
  brew install cmake || true # macos image has cmake installed, but a new version may exist; ignore it if so
  brew install doxygen