action.yml

name: 'Manjaro Iso Action'
description: 'Installs prerequisites for building Manjaro on ubuntu'

inputs:
  iso-profiles-repo:
    description: 'iso profiles to clone'
    required: false
    default: 'https://gitlab.manjaro.org/profiles-and-settings/iso-profiles'
  iso-profiles-branch:
    description: 'branch of the iso profiles to check out'
    required: false
  edition:
    description: 'name of the iso profile to build'
    required: true
  branch:
    description: 'stable (default), testing, unstable'
    required: false
    default: stable
  scope:
    description: 'full (default) or minimal image'
    required: false
    default: full
  version:
    description: 'dist_release version (upstream if not given)'
    required: false
  kernel:
    description: 'kernel version'
    required: false
    default: linux510
  code-name:
    description: 'manjaro code-name (upstream if not given)'
    required: false
  release-tag:
    description: 'release tag to upload to (if set)'
    required: false
  custom-repo:
    description: 'name a custom repo to be prioritized above the default ones'
    required: false
  office-chooser:
    description: 'include calamares office installer module'
    required: false
    default: "false"
  build-mirror:
    description: 'specific build mirror to use'
    required: false
    default: https://mirror.easyname.at/manjaro
  gpg-secret-key-base64:
    description: 'base64 encoded gpg secret key (without a passphrase) to sign the zip (if set)'
    required: false
  gpg-passphrase:
    description: 'phrase to decrypt the gpg secret key if given'
    required: false
  additional-trusted-gpg:
    description: 'gpg keyids that pacman should trust'
    required: false

outputs:
  file-path:
    description: "path of the generated iso"
    value: ${{ steps.image-build.outputs.file-path }}

runs:
  using: "composite"
  steps:
    - id: install-build-dependencies
      shell: bash
      run: |
        sudo apt-add-repository -y universe
        sudo apt-get update
        sudo apt-get install \
          xorriso \
          gdisk \
          zip \
          systemd-container \
          bmap-tools \
          asciidoc \
          libarchive-tools \
          git \
          build-essential \
          cmake \
          libarchive-dev \
          pkg-config \
          libcurl4-openssl-dev \
          libgpgme-dev \
          libssl-dev \
          fakeroot \
          dh-autoreconf \
          haveged \
          os-prober \
          kwalify \
          dosfstools \
          libisoburn1 \
          squashfs-tools \
          docbook2x \
          mktorrent \
          doxygen \
          zstd \
          s3cmd
        sudo python3 -m pip install meson
        sudo python3 -m pip install ninja
    - id: install-pacman
      shell: bash
      env:
        PACMAN_VERSION: 6.0.2
      run: |
        sudo git clone --depth 1 https://gitlab.manjaro.org/packages/core/pacman.git
        pushd pacman
          sudo wget https://sources.archlinux.org/other/pacman/pacman-${PACMAN_VERSION}.tar.xz
          sudo tar -xvf pacman-${PACMAN_VERSION}.tar.xz
          pushd pacman-${PACMAN_VERSION}
            sudo meson --prefix=/usr \
                      --buildtype=plain \
                      -Ddoc=disabled \
                      -Ddoxygen=enabled \
                      -Dscriptlet-shell=/usr/bin/bash \
                      -Dldconfig=/usr/bin/ldconfig \
                      build
            sudo meson compile -C build
            sudo meson install -C build
          popd
          sudo install -m644 pacman.conf /etc/pacman.conf
          sudo install -m644 makepkg.conf /etc/
          sudo mkdir -p /etc/pacman.d
          sudo touch /etc/pacman.d/mirrorlist
        popd
    - id: install-keyrings
      shell: bash
      run: |
        sudo install -dm755 /usr/share/pacman/keyrings/

        sudo git clone --depth 1 https://gitlab.manjaro.org/packages/core/manjaro-keyring.git
        pushd manjaro-keyring
          sudo install -m0644 manjaro.gpg /usr/share/pacman/keyrings/
          sudo install -m0644 manjaro-trusted /usr/share/pacman/keyrings/
          sudo install -m0644 manjaro-revoked /usr/share/pacman/keyrings/
        popd

        mkdir -p archlinux-keyring
        pushd archlinux-keyring
          wget https://archlinux.org/packages/core/any/archlinux-keyring/download -O /tmp/archlinux-keyring.tar.zst
          tar --use-compress-program=unzstd --strip-components=4 --wildcards -xvf /tmp/archlinux-keyring.tar.zst usr/share/pacman/keyrings/*
          sudo install -m0644 archlinux.gpg /usr/share/pacman/keyrings/
          sudo install -m0644 archlinux-trusted /usr/share/pacman/keyrings/
          sudo install -m0644 archlinux-revoked /usr/share/pacman/keyrings/
        popd

        sudo pacman-key --init
        sudo pacman-key --populate archlinux manjaro

        for gpg_key in ${{ inputs.additional-trusted-gpg }}; do
          sudo pacman-key --keyserver keys.openpgp.org --recv-key $gpg_key
          sudo pacman-key --lsign-key $gpg_key
        done
    - id: install-arch-install-scripts
      shell: bash
      env:
        VERSION: "27"
      run: |
        sudo wget https://github.com/archlinux/arch-install-scripts/archive/refs/tags/v${VERSION}.tar.gz -O arch-install-scripts.tar.gz
        sudo tar -xvf arch-install-scripts.tar.gz
        sudo make -C arch-install-scripts-${VERSION}
        sudo make -C arch-install-scripts-${VERSION} check
        sudo make -C arch-install-scripts-${VERSION} PREFIX=/usr install
        
        sudo wget https://gitlab.manjaro.org/applications/pacman-mirrors/-/tree/master/data/etc/pacman-mirrors.conf -O /etc/pacman-mirrors.conf
    - id: install-calamares-tools
      shell: bash
      run: |
        sudo git clone --depth 1 https://gitlab.manjaro.org/applications/calamares-tools.git
        
        cd calamares-tools
        sudo install -d /usr/share/calamares/
        sudo cp -rv schemas/ /usr/share/calamares/
    - id: install-mkinitcpio
      shell: bash
      env:
        VERSION: "32"
      run: |
        sudo wget https://gitlab.archlinux.org/archlinux/mkinitcpio/mkinitcpio/-/archive/v${VERSION}/mkinitcpio-v${VERSION}.tar.gz
        sudo tar -xf mkinitcpio-v${VERSION}.tar.gz
        sudo make -C mkinitcpio-v${VERSION} install
        sudo sed -i -e 's|File|Path|' /usr/share/libalpm/hooks/*hook
    - id: install-manjaro-tools
      shell: bash
      env:
        CUSTOM_REPO: ${{ inputs.custom-repo }}
      run: |
        sudo git clone --depth 1 https://gitlab.manjaro.org/tools/development-tools/manjaro-tools.git
        cd manjaro-tools
        sudo make SYSCONFDIR=/etc PREFIX=/usr
        sudo make SYSCONFDIR=/etc PREFIX=/usr install_base
        sudo make SYSCONFDIR=/etc PREFIX=/usr install_yaml
        sudo make SYSCONFDIR=/etc PREFIX=/usr install_iso
        if [ ! -z ${CUSTOM_REPO} ]; then
          echo "## adding repo [${CUSTOM_REPO}]"
          sudo sed -i -e "s/\[core\]/\[${CUSTOM_REPO}\]\nSigLevel = PackageRequired\nInclude = \/etc\/pacman\.d\/mirrorlist\n\n\[core\]/" /usr/share/manjaro-tools/pacman-multilib.conf
        fi
    - id: checkout-iso-profiles
      shell: bash
      env:
        REPO: ${{ inputs.iso-profiles-repo }}
        BRANCH: ${{ inputs.iso-profiles-branch }}
      run: sudo git clone ${BRANCH:+--branch ${BRANCH}} --depth 1 ${REPO} iso-profiles
    - id: cleanup_space_workaround
      shell: bash
      run: |
        sudo apt-get clean
        sudo rm -rf /usr/share/dotnet
        sudo rm -rf /opt/ghc
        sudo rm -rf "/usr/local/share/boost"
        sudo rm -rf "$AGENT_TOOLSDIRECTORY"
    - id: image-build
      shell: bash
      env:
        EDITION: ${{ inputs.edition }}
        BRANCH: ${{ inputs.branch }}
        SCOPE: ${{ inputs.scope }}
        VERSION: ${{ inputs.version }}
        KERNEL: ${{ inputs.kernel }}
        CODE_NAME: ${{ inputs.code-name }}
        OFFICE: ${{ inputs.office-chooser }}
        BUILD_MIRROR: ${{ inputs.build-mirror }}
      run: |
        echo "## building iso"
        [ "$SCOPE" == "minimal" ] && unset SCOPE && unset OFFICE
        [ "$OFFICE" == "false" ] && unset OFFICE

        # source the version info from current release info
        source <(curl -s https://gitlab.manjaro.org/packages/core/manjaro-release/-/raw/master/lsb-release)

        sudo sed -i -e "s|dist_name=\$(get_distname)|dist_name=${DISTRIB_ID%Linux}|g" /usr/lib/manjaro-tools/util.sh
        sudo sed -i -e 's|iso_name=$(get_osid)|iso_name=manjaro|g' /usr/lib/manjaro-tools/util.sh
        sudo sed -i -e "s|dist_release=\$(get_release)|dist_release=${VERSION:-$DISTRIB_RELEASE}|g" /usr/lib/manjaro-tools/util.sh
        sudo sed -i -e "s|dist_codename=\$(get_codename)|dist_codename=\"${CODE_NAME:-$DISTRIB_CODENAME}\"|g" /usr/lib/manjaro-tools/util.sh
        sudo sed -i -e "s|build_mirror='https://mirror.easyname.at/manjaro'|build_mirror=\'${BUILD_MIRROR}\'|g" /usr/lib/manjaro-tools/util.sh
        
        sudo buildiso ${SCOPE:+-f} -p $EDITION -b $BRANCH -k $KERNEL ${OFFICE:+-o}

        sudo rm -Rf /var/lib/manjaro-tools/buildiso/*
        
        OUTPUT_ISO_PATH=$(find /var/cache/manjaro-tools/iso -type f -name "*.iso" -exec stat -c '%Y %n' {} \; | sort -nr | awk 'NR==1 {print $2}')
        TARGET_ISO_PATH=$(basename $OUTPUT_ISO_PATH)
        mv $OUTPUT_ISO_PATH ./$TARGET_ISO_PATH
        echo "file-path=$TARGET_ISO_PATH" >> $GITHUB_OUTPUT

        FILE_PKG=$(find /var/cache/manjaro-tools/iso -type f -name "*-pkgs.txt" -exec stat -c '%Y %n' {} \; | sort -nr | awk 'NR==1 {print $2}')
        mv $FILE_PKG ./${TARGET_ISO_PATH}.pkgs
    - id: hash
      shell: bash
      run: |
        echo "## calculating hashes"
        sha1sum ${{ steps.image-build.outputs.file-path }} >${{ steps.image-build.outputs.file-path }}.sha1
        sha256sum ${{ steps.image-build.outputs.file-path }} >${{ steps.image-build.outputs.file-path }}.sha256
        sha512sum ${{ steps.image-build.outputs.file-path }} >${{ steps.image-build.outputs.file-path }}.sha512
    - id: gpg_sign
      shell: bash
      run: |
        # if is not yet supported in composite https://github.com/actions/runner/blob/main/docs/adrs/0549-composite-run-steps.md#if-condition
        if [ -z "${{ inputs.gpg-secret-key-base64 }}" ]; then 
          echo "## no gpg secret given"
          exit 0
        fi
        echo "## gpg signing"
        cat <(echo -e "${{ inputs.gpg-secret-key-base64 }}" | base64 --decode) | gpg --batch --import &>/dev/null
        gpg --pinentry-mode loopback --passphrase "${{ inputs.gpg-passphrase }}" --detach-sign ./${{ steps.image-build.outputs.file-path }}
    - id: upload-prepare
      shell: bash -O extglob {0}
      run: |
        echo "## ssh setup"
        mkdir -p /home/runner/.ssh
        touch /home/runner/.ssh/github_actions
        chmod 600 /home/runner/.ssh/github_actions
        ssh-agent -a /tmp/ssh_agent.sock > /dev/null
        echo "upload-files=./${{ steps.image-build.outputs.file-path }}+(|.sha*|.pkgs|.sig|.torrent)" >> $GITHUB_OUTPUT
        mkdir -p ${{ inputs.edition }}/${{ inputs.version }}
    - id: upload-github-release
      shell: bash -O extglob {0}
      env:
        LIMIT_MB: '2000'
      run: |
        # if is not yet supported in composite https://github.com/actions/runner/blob/main/docs/adrs/0549-composite-run-steps.md#if-condition
        if [ -z "${{ inputs.release-tag }}" ]; then 
          echo "## no release tag given"
          exit 0
        fi
        echo "## github upload"

        echo ${{ github.token }} | gh auth login --with-token
        gh release create ${{ inputs.release-tag }} --title ${{ inputs.release-tag }} --repo ${{ github.repository }} --notes "automated release" --prerelease || echo "release already exists"

        GITHUB_LINK=https://github.com/${GITHUB_REPOSITORY}/releases/download/${{ inputs.release-tag }}

        if [[ -z "$(du --threshold=${LIMIT_MB}M ${{ steps.image-build.outputs.file-path }})" ]]; then
          # iso is small enough to upload already
          gh release upload ${{ inputs.release-tag }} --repo ${{ github.repository }} --clobber \
            ${{ steps.upload-prepare.outputs.upload-files }}
        else
          # iso is too big - creating a split-zip
          zip -j -s ${LIMIT_MB}m ${{ steps.image-build.outputs.file-path }}.zip ${{ steps.image-build.outputs.file-path }}
          
          REMOTE_FILES=$(find . -maxdepth 1 -name "*.z*" -exec basename {} \; | xargs -I{} echo "-w \"${GITHUB_LINK}/{}\"")
          gh release upload ${{ inputs.release-tag }} --repo ${{ github.repository }} --clobber \
            ./${{ steps.image-build.outputs.file-path }}+(.z*|.sha*|.pkgs|.sig|.torrent)
        fi