Build and publish appimage

.github/workflows/build-appimage.yaml

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+#on: workflow_dispatch
+on: push
+
+name: Build AppImage package
+
+jobs:
+  build-appimage:
+    runs-on: ubuntu-latest
+    name: Build AppImage package
+
+    steps:
+      - name: Clone repo
+        uses: actions/checkout@v4
+
+      - name: Install necessary packages
+        run: |
+          sudo apt-get update
+          sudo apt-get -y install desktop-file-utils
+
+      - name: Build AppImage
+        env:
+          TARGET_ARCH: amd64
+        run: |
+          bash ./appimage/build-appimage.sh
+
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: Quarto-amd64.AppImage
+          path: Quarto-amd64.AppImage
+
+  test-appimage:
+    runs-on: ubuntu-latest
+    name: Test Appimage Package
+    needs: build-appimage
+
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: Quarto-amd64.AppImage
+          path: .
+
+      - run: |
+          mv Quarto-amd64.AppImage quarto
+          chmod a+x quarto
+
+      - run: |
+          ls -lR
+          ./quarto check
+          ./quarto --paths
+          ./quarto --version

appimage/AppRun

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+#!/bin/sh
+SELF=$(readlink -f "$0")
+HERE=${SELF%/*}
+export PATH="${HERE}/usr/bin/:${HERE}/usr/sbin/:${HERE}/usr/games/:${HERE}/bin/:${HERE}/sbin/${PATH:+:$PATH}"
+export LD_LIBRARY_PATH="${HERE}/usr/lib/:${HERE}/usr/lib/i386-linux-gnu/:${HERE}/usr/lib/x86_64-linux-gnu/:${HERE}/usr/lib32/:${HERE}/usr/lib64/:${HERE}/lib/:${HERE}/lib/i386-linux-gnu/:${HERE}/lib/x86_64-linux-gnu/:${HERE}/lib32/:${HERE}/lib64/${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"
+export PYTHONPATH="${HERE}/usr/share/pyshared/${PYTHONPATH:+:$PYTHONPATH}"
+export XDG_DATA_DIRS="${HERE}/usr/share/${XDG_DATA_DIRS:+:$XDG_DATA_DIRS}"
+export PERLLIB="${HERE}/usr/share/perl5/:${HERE}/usr/lib/perl5/${PERLLIB:+:$PERLLIB}"
+export GSETTINGS_SCHEMA_DIR="${HERE}/usr/share/glib-2.0/schemas/${GSETTINGS_SCHEMA_DIR:+:$GSETTINGS_SCHEMA_DIR}"
+export QT_PLUGIN_PATH="${HERE}/usr/lib/qt4/plugins/:${HERE}/usr/lib/i386-linux-gnu/qt4/plugins/:${HERE}/usr/lib/x86_64-linux-gnu/qt4/plugins/:${HERE}/usr/lib32/qt4/plugins/:${HERE}/usr/lib64/qt4/plugins/:${HERE}/usr/lib/qt5/plugins/:${HERE}/usr/lib/i386-linux-gnu/qt5/plugins/:${HERE}/usr/lib/x86_64-linux-gnu/qt5/plugins/:${HERE}/usr/lib32/qt5/plugins/:${HERE}/usr/lib64/qt5/plugins/${QT_PLUGIN_PATH:+:$QT_PLUGIN_PATH}"
+EXEC=$(grep -e '^Exec=.*' "${HERE}"/*.desktop | head -n 1 | cut -d "=" -f 2 | cut -d " " -f 1)
+exec "${EXEC}" "$@"

appimage/build-appimage.sh

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+#! /usr/bin/env bash
+
+# -e - Exit immediately if any command fails.
+# -u - Exit if an unset variable is invoked.
+# -o pipefail - Exit if a command in a piped series of commands fails.
+set -euo pipefail
+
+DIR_OUTPUT="./AppDir"
+URL_RELEASE="https://quarto.org/docs/download/_download.json"
+PLATFORM_TARGET=$TARGET_ARCH
+
+get_current_release_build() {
+    echo "Trying to get latest release build."
+
+    # Download release info document.
+    wget --output-document "release-info.json" $URL_RELEASE
+
+    # Get latest download url. Matching here a fixed host as security
+    # precaution.
+    myurl=$(grep -oP "download_url\": \"\Khttps://github.com/quarto-dev/quarto-cli/.*-linux-${PLATFORM_TARGET}.*.tar.gz(?=\")" release-info.json)
+
+    # Download release tarball.
+    wget --output-document "quarto-release.tar.gz" $myurl
+}
+
+extract_release_build() {
+    echo "Extracting latest release build."
+
+    mkdir -p "quarto-release"
+    tar --strip-components=1 -xvf "quarto-release.tar.gz" --directory "quarto-release"
+}
+
+get_appimage_builder() {
+    echo "Getting appimage builder."
+
+    if [ $PLATFORM_TARGET = "amd64" ]
+    then
+        wget --output-document "appimagetool.AppImage" "https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-x86_64.AppImage"
+    elif [ $PLATFORM_TARGET = "arm64" ]
+    then
+        wget --output-document "appimagetool.AppImage" "https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-aarch64.AppImage"
+    else
+        echo "Unsupported target platform."
+        exit 1
+    fi
+
+    chmod a+x ./appimagetool.AppImage
+}
+
+prepare_appimage() {
+    echo "Preparing appimage directory."
+
+    mkdir -p $DIR_OUTPUT
+
+    # Copy files from release tarball.
+    cp -a -r ./quarto-release/ $DIR_OUTPUT/usr/
+
+    # Copy other necessary files.
+    cp ./appimage/AppRun $DIR_OUTPUT/
+    cp ./appimage/quarto.desktop $DIR_OUTPUT/
+    cp ./appimage/quarto.svg $DIR_OUTPUT/
+}
+
+build_appimage() {
+    echo "Building quarto appimage."
+
+    ./appimagetool.AppImage $DIR_OUTPUT Quarto-${PLATFORM_TARGET}.AppImage
+}
+
+get_current_release_build
+extract_release_build
+get_appimage_builder
+prepare_appimage
+build_appimage

appimage/quarto.desktop

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+[Desktop Entry]
+Type=Application
+Name=Quarto
+Icon=quarto
+Exec=quarto render %u
+Terminal=true
+Categories=Development;Building;Science;