Feature/mountingplate strengthening #35
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| # .github/workflows/cad-export.yml | |
| # | |
| # Automatically generates STEP files from FreeCAD designs when PRs are opened | |
| # or updated. Exports are committed back to the branch in the appropriate | |
| # STEP_FILES folder. | |
| # | |
| # Directory structure expected: | |
| # */CAD_INTERNAL/FREECAD_FILES/*.FCStd - Source files (triggers export) | |
| # */CAD_INTERNAL/STEP_FILES/*.step - Export destination | |
| # | |
| # Requirements: | |
| # - Git LFS must be configured in the repo for *.step files | |
| # - .gitattributes should contain: *.step filter=lfs diff=lfs merge=lfs -text | |
| name: CAD Export | |
| on: | |
| pull_request: | |
| branches: [main, develop] | |
| paths: | |
| - '**/CAD_INTERNAL/FREECAD_FILES/**/*.FCStd' | |
| workflow_dispatch: | |
| inputs: | |
| export_all: | |
| description: 'Export all designs (not just changed files)' | |
| required: false | |
| default: 'false' | |
| type: boolean | |
| # Prevent concurrent runs on the same PR (avoids commit conflicts) | |
| concurrency: | |
| group: cad-export-${{ github.head_ref || github.ref }} | |
| cancel-in-progress: true | |
| jobs: | |
| export-step: | |
| name: Export STEP files | |
| runs-on: ubuntu-latest | |
| # Required for committing back to the branch | |
| permissions: | |
| contents: write | |
| pull-requests: write | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| with: | |
| lfs: true | |
| fetch-depth: 0 | |
| ref: ${{ github.head_ref }} | |
| token: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Setup Git LFS | |
| run: | | |
| git lfs install | |
| git lfs track "*.step" | |
| git lfs track "*.STEP" | |
| echo "Git LFS configured" | |
| - name: Install FreeCAD | |
| run: | | |
| sudo add-apt-repository -y ppa:freecad-maintainers/freecad-stable | |
| sudo apt-get update | |
| sudo apt-get install -y freecad | |
| echo "FreeCAD version:" | |
| freecad --version || freecadcmd --version || echo "Version check not available" | |
| - name: Identify changed CAD files | |
| id: changed-files | |
| run: | | |
| if [[ "${{ github.event_name }}" == "workflow_dispatch" && "${{ inputs.export_all }}" == "true" ]]; then | |
| FILES=$(find . -path "*/CAD_INTERNAL/FREECAD_FILES/*.FCStd" -type f | tr '\n' ' ') | |
| else | |
| FILES=$(git diff --name-only origin/${{ github.base_ref }}...HEAD -- 'CAD_INTERNAL/FREECAD_FILES/Assemblies/**/*.FCStd' | tr '\n' ' ') | |
| fi | |
| echo "files=$FILES" >> $GITHUB_OUTPUT | |
| echo "Found CAD files to export: $FILES" | |
| if [ -z "$FILES" ]; then | |
| echo "No .FCStd files to process" | |
| echo "has_files=false" >> $GITHUB_OUTPUT | |
| else | |
| echo "has_files=true" >> $GITHUB_OUTPUT | |
| fi | |
| - name: Export STEP files | |
| if: steps.changed-files.outputs.has_files == 'true' | |
| run: | | |
| freecadcmd .github/scripts/export_step.py ${{ steps.changed-files.outputs.files }} | |
| - name: Generate export summary | |
| if: steps.changed-files.outputs.has_files == 'true' | |
| run: | | |
| echo "## 📦 STEP Export Summary" > export_summary.md | |
| echo "" >> export_summary.md | |
| echo "| Source File | Export | Size |" >> export_summary.md | |
| echo "|-------------|--------|------|" >> export_summary.md | |
| for step_file in $(find . -path "*/CAD_INTERNAL/STEP_FILES/*.step" -type f 2>/dev/null); do | |
| if [ -f "$step_file" ]; then | |
| filename=$(basename "$step_file") | |
| source_name="${filename%.step}.FCStd" | |
| size=$(du -h "$step_file" | cut -f1) | |
| relative_path="${step_file#./}" | |
| echo "| \`$source_name\` | \`$relative_path\` | $size |" >> export_summary.md | |
| fi | |
| done | |
| echo "" >> export_summary.md | |
| echo "_Generated by GitHub Actions on $(date -u '+%Y-%m-%d %H:%M UTC')_" >> export_summary.md | |
| cat export_summary.md | |
| - name: Commit STEP files | |
| if: steps.changed-files.outputs.has_files == 'true' | |
| run: | | |
| git config user.name "github-actions[bot]" | |
| git config user.email "github-actions[bot]@users.noreply.github.com" | |
| git add .gitattributes 2>/dev/null || true | |
| find . -path "*/CAD_INTERNAL/STEP_FILES/*.step" -type f -exec git add {} \; | |
| if git diff --staged --quiet; then | |
| echo "No STEP file changes to commit" | |
| else | |
| git commit -m "Auto-generate STEP exports [skip ci]" | |
| git push | |
| echo "Committed and pushed STEP exports" | |
| fi | |
| - name: Collect STEP files for artefact | |
| if: steps.changed-files.outputs.has_files == 'true' | |
| run: | | |
| mkdir -p step_artefacts | |
| find . -path "*/CAD_INTERNAL/STEP_FILES/*.step" -exec cp {} step_artefacts/ \; 2>/dev/null || true | |
| ls -la step_artefacts/ || echo "No files collected" | |
| - name: Upload STEP artefacts | |
| if: steps.changed-files.outputs.has_files == 'true' | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: step-exports | |
| path: step_artefacts/ | |
| if-no-files-found: ignore | |
| retention-days: 30 | |
| - name: Comment on PR | |
| if: github.event_name == 'pull_request' && steps.changed-files.outputs.has_files == 'true' | |
| uses: actions/github-script@v7 | |
| with: | |
| script: | | |
| const fs = require('fs'); | |
| let summary = ''; | |
| try { | |
| summary = fs.readFileSync('export_summary.md', 'utf8'); | |
| } catch (e) { | |
| summary = '## 📦 STEP Export\n\nSTEP files have been exported and committed to this branch.'; | |
| } | |
| github.rest.issues.createComment({ | |
| issue_number: context.issue.number, | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| body: summary | |
| }); | |
| - name: No files to export | |
| if: steps.changed-files.outputs.has_files != 'true' | |
| run: | | |
| echo "No FreeCAD files found that require export." | |
| echo "This workflow runs when .FCStd files in CAD_INTERNAL/FREECAD_FILES/ are changed." |