Create GitHub action to automatically update images in PRs #18
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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' |