feat: new workflow to build the iso image of the distro #8
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| name: Build remastered ISO | |
| on: | |
| pull_request: | |
| types: | |
| - opened | |
| - synchronize | |
| workflow_dispatch: | |
| inputs: | |
| iso_image_url: | |
| description: 'URL of the Debian ISO' | |
| type: string | |
| required: false | |
| arch: | |
| description: 'Architecture of the ISO image to generate' | |
| type: choice | |
| options: [amd64] | |
| required: true | |
| default: amd64 | |
| type: | |
| description: 'Type of the installation image' | |
| type: choice | |
| options: [netinst, dvd] | |
| required: true | |
| default: dvd | |
| branch: | |
| description: 'The branch of debian to use' | |
| type: choice | |
| options: [stable, testing, sid] | |
| required: true | |
| default: stable | |
| jobs: | |
| debian-desktop: | |
| runs-on: ubuntu-latest | |
| environment: build-iso-image | |
| env: | |
| ISO_IMAGE_URL: ${{ github.event.inputs.iso_image_url || vars.ISO_IMAGE_URL }} | |
| REMASTERED_ISO_IMAGE: preseed-debian-${{ github.event.inputs.branch }}-${{ github.event.inputs.type }}-${{ github.event.inputs.arch }}.iso | |
| ORIGINAL_ISO_IMAGE: debian.iso | |
| PRESEED_FILE_TEMPLATE: preseed.cfg.template | |
| PRESEED_FILE: preseed.cfg | |
| ISO_FILES_DIR: isofiles | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| with: | |
| sparse-checkout: | | |
| ${{ env.PRESEED_FILE_TEMPLATE }} | |
| ${{ env.ORIGINAL_ISO_IMAGE }} | |
| sparse-checkout-cone-mode: false | |
| - name: Install dependencies | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install -y gettext cpio isolinux xorriso | |
| - name: Download Debian ISO | |
| run: | | |
| if [ ! -f '${{ env.ORIGINAL_ISO_IMAGE }}' ]; then | |
| curl -L ${{ env.ISO_IMAGE_URL }} -o ${{ env.ORIGINAL_ISO_IMAGE }} | |
| fi | |
| - name: Extract ISO files | |
| run: | | |
| mkdir ${{ env.ISO_FILES_DIR }} | |
| sudo xorriso -osirrox on -indev ${{ env.ORIGINAL_ISO_IMAGE }} -extract / /media/debian | |
| cp -rT /media/debian ${{ env.ISO_FILES_DIR }} | |
| - name: Generate preseed file | |
| env: | |
| ROOT_PASSWORD_HASH: ${{ secrets.ROOT_PASSWORD_HASH }} | |
| USER_FULLNAME: ${{ vars.USER_FULLNAME }} | |
| USERNAME: ${{ vars.USERNAME }} | |
| USER_PASSWORD_HASH: ${{ secrets.USER_PASSWORD_HASH }} | |
| run: | | |
| envsubst < ${{ env.PRESEED_FILE_TEMPLATE }} > ${{ env.PRESEED_FILE }} | |
| - name: Modify initrd and add preseed file | |
| env: | |
| INSTALL_DIR: ${{ env.ISO_FILES_DIR }}/install.amd | |
| run: | | |
| chmod +w -R ${{ env.INSTALL_DIR }} | |
| gunzip ${{ env.INSTALL_DIR }}/initrd.gz | |
| echo ${{ env.PRESEED_FILE }} | cpio -H newc -o -A -F ${{ env.INSTALL_DIR }}/initrd | |
| gzip ${{ env.INSTALL_DIR }}/initrd | |
| chmod -w -R ${{ env.INSTALL_DIR }} | |
| - name: Regenerate md5sum.txt | |
| working-directory: ${{ env.ISO_FILES_DIR }} | |
| run: | | |
| chmod +w md5sum.txt | |
| find -follow -type f ! -name md5sum.txt -print0 | xargs -0 md5sum > md5sum.txt | |
| chmod -w md5sum.txt | |
| - name: Create new bootable ISO | |
| env: | |
| ORIGINAL_ISO: ${{ env.ORIGINAL_ISO_IMAGE }} | |
| NEW_FILES: ${{ env.ISO_FILES_DIR }} | |
| NEW_ISO: ${{ env.REMASTERED_ISO_IMAGE }} | |
| MBR_TEMPLATE: /usr/lib/ISOLINUX/isohdpfx.bin | |
| # Note: FS_NAME must be at most 32 characters long | |
| FS_NAME: 'Debian ${{ github.event.inputs.branch }} preseed ${{ github.event.inputs.arch }}' | |
| run: | | |
| # Extract MBR template file to disk | |
| sudo dd if=${{ env.ORIGINAL_ISO }} bs=1 count=432 of=${{ env.MBR_TEMPLATE }} | |
| # Create the new ISO image | |
| xorriso \ | |
| -as mkisofs \ | |
| -r -V '${{ env.FS_NAME }}' \ | |
| -o ${{ env.NEW_ISO }} \ | |
| -J -joliet-long -cache-inodes \ | |
| -isohybrid-mbr ${{ env.MBR_TEMPLATE }} \ | |
| -b isolinux/isolinux.bin \ | |
| -c isolinux/boot.cat \ | |
| -boot-load-size 4 -boot-info-table -no-emul-boot \ | |
| -eltorito-alt-boot \ | |
| -e boot/grub/efi.img \ | |
| -no-emul-boot -isohybrid-gpt-basdat -isohybrid-apm-hfsplus \ | |
| ${{ env.NEW_FILES }} | |
| - name: Upload ISO artifact | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: remastered-iso | |
| path: ${{ env.REMASTERED_ISO_IMAGE }} | |
| if-no-files-found: warn | |
| retention-days: 7 |