Issue
In gitlab we have support for CI_COMMIT_BEFORE_SHA
and CI_COMMIT_SHA
Whereas in github we only have support for GITHUB_REF which holds SHA of current commit that triggered this action.
My requirement is to find if a particular file changed since last Action execution
Solution
Found a way to solve this using event payload - see push event payload:
in .github/workflows/release.yaml
name: release
on:
push:
branches: [ main ]
jobs:
deploy:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
- name: deploy
run: sh deploy.sh
env:
CI_COMMIT_BEFORE_SHA: ${{ github.event.before }}
CI_COMMIT_SHA: ${{ github.event.after }}
in bin/deploy.sh
HAS_DESIRED_CHANGES=`git diff --name-only $CI_COMMIT_BEFORE_SHA $CI_COMMIT_SHA | grep -E 'path/to/file1|path/to/dir2'`
echo $HAS_DESIRED_CHANGES
HAS_DESIRED_CHANGES=`echo ${#HAS_DESIRED_CHANGES}`
if ! [ $HAS_DESIRED_CHANGES -eq 0 ]
then
echo "Has desired changes, proceed performing necessary actions"
else
echo "No desired changes. Skipping...."
fi
Answered By - Rohit Reddy Abbadi Answer Checked By - Candace Johnson (PHPFixing Volunteer)
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