Allow override of GFM version

.github/workflows/pelican-version-test.yml

@@ -8,86 +8,85 @@
   workflow_dispatch:
 jobs:
   version-test:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         include:
           - gfm: 'true'
             testbranch: testsite
             buildshouldfail: false
           - gfm: 'true'
             testbranch: testsite
             gfm_version: '0.28.3.gfm.12' # This is the earliest that will build
             buildshouldfail: false
           - gfm: 'true'
             testbranch: testsite
             gfm_version: '0.29.0.gfm.13' # latest
             buildshouldfail: false
           - gfm: 'false'
             testbranch: testsitenogfm
             buildshouldfail: false
           - gfm: 'false'
             testbranch: testsitenogfm
             gfm_version: 'not-a-version'
             buildshouldfail: false
           - gfm: 'true'
             testbranch: testsite
             gfm_version: 'not-a-version'
             buildshouldfail: true # Try to build a non-existent version
           - gfm: 'true'
             testbranch: testsite
             gfm_version: '0.28.0.gfm.11'
             buildshouldfail: true # Try to build an obsolete version
     steps:
       - name: Checkout the test site
         uses: actions/checkout@v4
         with:
           ref: ${{ matrix.testbranch }}
       - name: Ignore the action checkout
         run: |
           echo "self/" >> .git/info/exclude
       - name: Checkout self
         uses: actions/checkout@v4
         with:
           path: self
 
       - name: Build (no publish)
         id: build
         continue-on-error: ${{ matrix.buildshouldfail }}
         uses: ./self/pelican
         with:
           destination: output
           publish: 'false'
           tempdir: output
           gfm: ${{ matrix.gfm }}
           gfm_version: ${{ matrix.gfm_version }}
         env:
           UNIT_TEST_A: This is UNIT_TEST_A
 
       - name: Check build failed when expected
         if:  ${{ matrix.buildshouldfail }}
         run: |
           echo "${{ toJSON(steps.build) }}"
           test '${{ steps.build.outcome }}' != 'success'
 
       - name: 'Upload Artifact'
         uses: actions/upload-artifact@v4
         with:
           name: build-output-${{ matrix.gfm }}-${{ matrix.gfm_version }}
           path: output
           retention-days: 1
 
       - name: Check output
         if: ${{ steps.build.outcome == 'success' }}
         run: |
           test -f output/index.html # check output was created
           if [ '${{ matrix.gfm }}' == 'true' ]
           then
             # Check that GFM was used
             grep '<p><del>Hi</del> Hello, <del>there</del> world!</p>' output/index.html
           else
             # Check that GFM was NOT used
             ! grep '<p><del>Hi</del> Hello, <del>there</del> world!</p>' output/index.html
-          fi
-
+          fi