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CI test

CI test #65

name: Image metadata check CI
on:
# push:
# branches: [master]
pull_request:
paths:
- '**.webp'
- '**.png'
- '**.jpg'
jobs:
build:
name: Ubuntu - Image Metadata
runs-on: ubuntu-latest
permissions:
contents: read
pull-requests: write
env:
# figured this out from here: https://docs.github.com/en/webhooks/webhook-events-and-payloads?actionType=edited#pull_request
SHA: ${{ github.event.pull_request.head.sha }}
BASE_SHA: ${{ github.event.pull_request.base.sha }}
steps:
- name: exiftool installation
run: |
sudo apt-get install --assume-yes exiftool
- uses: actions/checkout@v4
with:
fetch-depth: 0
# this makes the HEAD be the last commit on the PR, not the merge commit, so wrong older commits would get buried
# ref: ${{ github.event.pull_request.head.sha }}
- name: read/export image metadata
# -id: image_check
run: |
mapfile -t image_files < <(git diff --name-only ${BASE_SHA} ${SHA} | grep '\.webp$')
git status
# array of accepted copyright strings
accepted_cr=("GNU GPL v2+" "CC BY-SA 4.0")
# cycle through the changed image files, make sure they have the right fields
for file in "${image_files[@]}"; do
# check -Artist tag, fail if missing
artist="$(exiftool -Artist $file)"
artist="${artist#*: }"
if [ -z "$artist" ] ; then
echo "no Artist EXIF tag in $file"
exit 1
else
echo "Artist tag in $file is $artist"
fi
# check -Copyright tag, fail if missing or wrong type
copyright="$(exiftool -Copyright $file)"
copyright="${copyright#*: }"
if [ -z "$copyright" ] ; then
echo "no Copyright EXIF tag in $file"
exit 1
# elif [[ ( "$copyright" != ${accepted_cr[0]} ) && ( "$copyright" != ${accepted_cr[1]}) ]] ; then
elif [[ ! " ${accepted_cr[*]} " =~ " ${copyright} " ]]; then
echo "$copyright is not an accepted license"
exit 1
else
echo "Copyright tag in $file is $copyright"
fi
done
# - name: The image_check step has failed
# if: ${{ failure() && steps.image_check.conclusion == 'failure' }}