setup-python fails on self-hosted macOS EC2 runners with:
Error: ln: python314: Permission denied
The setup.sh installer script uses sudo to install the Python framework into /Library/Frameworks/ (line 50), but the subsequent symlink creation inside that root-owned directory runs without sudo, causing a permission error on runners where the CI user is not an admin.
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Problem
setup-python fails on self-hosted macOS EC2 runners with:
The setup.sh installer script uses sudo to install the Python framework into /Library/Frameworks/ (line 50), but the subsequent symlink creation inside that root-owned directory runs without sudo, causing a permission error on runners where the CI user is not an admin.