Create GitHub action to automatically update images in PRs #18
Workflow file for this run
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| name: Convert Images | |
| on: | |
| pull_request: | |
| types: [opened, synchronize] | |
| permissions: | |
| actions: read | |
| checks: read | |
| contents: write | |
| deployments: none | |
| issues: read | |
| packages: none | |
| pull-requests: write | |
| repository-projects: none | |
| security-events: none | |
| statuses: none | |
| jobs: | |
| build: | |
| runs-on: 'ubuntu-22.04' | |
| name: Convert Images | |
| steps: | |
| - name: Detect branch for PR | |
| id: vars | |
| run: | | |
| PR="${{ github.event.pull_request.number }}" | |
| PR_INFO=$( curl \ | |
| --request GET \ | |
| --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' \ | |
| --header 'content-type: application/json' \ | |
| --url https://api.github.com/repos/$GITHUB_REPOSITORY/pulls/$PR ) | |
| REF=$(echo "${PR_INFO}" | jq -r .head.ref) | |
| BASE=$(echo "${PR_INFO}" | jq -r .head.repo.full_name) | |
| STATE=$(echo "${PR_INFO}" | jq -r .state) | |
| BASE_SHA=$(echo "${PR_INFO}" | jq -r .base.sha) | |
| if [[ $STATE == "closed" ]] | |
| then | |
| echo "Pull Request already closed." | |
| exit 0; | |
| fi | |
| echo "islocalbranch=$(expr $BASE == $GITHUB_REPOSITORY)" >> $GITHUB_OUTPUT | |
| echo "branch=$REF" >> $GITHUB_OUTPUT | |
| echo "base=$BASE_SHA" >> $GITHUB_OUTPUT | |
| - uses: actions/checkout@v4 | |
| if: steps.vars.outputs.branch != '' | |
| - name: Check images changes | |
| id: imagecheck | |
| run: | | |
| git fetch --depth=1 origin ${{ steps.vars.outputs.base }} | |
| IMAGES_MODIFIED=$(git diff --name-only ${{ steps.vars.outputs.base }} -- src/ | wc -l) | |
| if [[ $IMAGES_MODIFIED == "0" ]] | |
| then | |
| echo "No images modified" | |
| exit 0; | |
| fi | |
| echo "images_modified=1" >> $GITHUB_OUTPUT | |
| if: steps.vars.outputs.branch != '' | |
| - name: Install Dependencies | |
| run: | | |
| npm install | |
| sudo apt-get update | |
| git clone --recursive https://github.com/kornelski/pngquant.git | |
| cd pngquant | |
| cargo build --release | |
| sudo cp target/release/pngquant /usr/local/bin/ | |
| cd .. | |
| pngquant --version | |
| sudo add-apt-repository universe | |
| sudo add-apt-repository ppa:inkscape.dev/stable | |
| sudo apt-get update | |
| sudo apt install inkscape | |
| sudo apt install imagemagick | |
| shell: bash | |
| if: steps.vars.outputs.branch != '' && steps.imagecheck.outputs.images_modified == '1' | |
| - name: Prepare git config | |
| run: | | |
| cat <<- EOF > $HOME/.netrc | |
| machine github.com | |
| login innocraft-automation | |
| password $CUSTOM_ACCESS_TOKEN | |
| machine api.github.com | |
| login innocraft-automation | |
| password $CUSTOM_ACCESS_TOKEN | |
| EOF | |
| chmod 600 $HOME/.netrc | |
| git config --global user.email "[email protected]" | |
| git config --global user.name "innocraft-automation" | |
| git remote set-url origin https://x-access-token:${{ secrets.CUSTOM_ACCESS_TOKEN }}@github.com/$GITHUB_REPOSITORY | |
| if [[ ${{ steps.vars.outputs.islocalbranch }} ]] | |
| then | |
| git fetch --depth=1 origin $BRANCH_NAME | |
| git checkout $BRANCH_NAME | |
| fi | |
| env: | |
| BRANCH_NAME: ${{ steps.vars.outputs.branch }} | |
| if: steps.vars.outputs.branch != '' && steps.imagecheck.outputs.images_modified == '1' | |
| - name: Run convert images | |
| run: ./convert.sh | |
| shell: bash | |
| if: steps.vars.outputs.branch != '' && steps.imagecheck.outputs.images_modified == '1' | |
| - name: Push changes | |
| id: push | |
| run: | | |
| if [[ $( git diff --numstat dist ) ]] | |
| then | |
| if [[ ! ${{ steps.vars.outputs.islocalbranch }} ]] | |
| then | |
| echo "It's only possible to update local branches automatically. Adding a comment instead." | |
| echo "failure=1" >> $GITHUB_OUTPUT | |
| else | |
| cd $GITHUB_WORKSPACE | |
| git add dist/ versions.txt | |
| git commit -m "Generated image files" | |
| git push | |
| fi | |
| fi | |
| if: steps.vars.outputs.branch != '' && steps.imagecheck.outputs.images_modified == '1' | |
| - uses: actions/github-script@v7 | |
| with: | |
| script: | | |
| github.rest.issues.createComment({ | |
| issue_number: context.issue.number, | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| body: 'Image files are not up to date. Please generate them locally and push them to your branch.' | |
| }) | |
| if: steps.push.outputs.failure == '1' | |
| - name: Fail if not up to date | |
| run: exit 1 | |
| if: steps.push.outputs.failure == '1' |