fix: handle missing symbolic-ref for default branch detection (fixes #3) #2
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Fixes #3 - Replace symbolic-ref based default branch detection with more robust approach - Use current branch when available, fallback to 'main' if not - Fixes 'symbolic-ref refs/remotes/origin/HEAD' error in GitHub Actions environments - Removes complex getDefaultBranch method in favor of simpler validation The issue occurs because GitHub Actions checkout doesn't set up symbolic references properly, causing the action to fail during repository validation. This fix ensures the action works in all GitHub Actions environments while maintaining functionality for repositories with proper git configuration.
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- Update mocks to use rev-parse --abbrev-ref HEAD instead of symbolic-ref - Add test cases for fallback behavior when branch detection fails - Add test for detached HEAD scenario - All tests now pass with the new implementation
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Problem
Fixes #3
The action was failing with this error in GitHub Actions environments:
Root Cause
GitHub Actions checkout doesn't automatically set up the symbolic reference
refs/remotes/origin/HEADthat points to the default branch. Thegit symbolic-ref refs/remotes/origin/HEADcommand fails because this reference isn't established during the checkout process.This is a common issue in GitHub Actions environments where repositories are cloned with specific configurations that may not include all traditional git references.
Solution
Changes
validateRepository()method inGitOperationsclassgetDefaultBranch()method with multiple fallback strategiesTesting
Impact
This fix ensures the action works properly in standard GitHub Actions environments where symbolic references may not be set up, while maintaining functionality for repositories with proper git configuration.
References: