add appimage support to packaging

.github/workflows/build.yml

@@ -40,7 +40,7 @@ jobs:
         if: ${{ matrix.os == 'ubuntu-latest' }}
         run: |
           sudo apt update
-          sudo apt install -y rpm
+          sudo apt install -y rpm fuse
       - name: Install WiX Toolset
         if: ${{ matrix.os == 'windows-latest' }}
         run: |
@@ -59,6 +59,7 @@ jobs:
           if [ "${{ matrix.os }}" == "ubuntu-latest" ]; then
             mv desktop/build/temp-*/binaries/haveno-*.rpm ${{ github.workspace }}/release
             mv desktop/build/temp-*/binaries/haveno_*.deb ${{ github.workspace }}/release
+            mv desktop/build/temp-*/binaries/haveno_*.AppImage ${{ github.workspace }}/release
           else
             mv desktop/build/temp-*/binaries/Haveno-*.dmg ${{ github.workspace }}/release
           fi

desktop/package/linux/Haveno.AppDir/Haveno.desktop

@@ -0,0 +1,16 @@
+# If you want Haveno to appear in a Linux app launcher ("start menu"), install this by doing:
+# sudo desktop-file-install electrum-ltc.desktop
+
+[Desktop Entry]
+Comment=A decentralized, Tor-based, P2P Monero exchange network.
+Exec=sh -c "PATH=\"\\$HOME/.local/bin:\\$PATH\"; bin/Haveno %u"
+GenericName[en_US]=Monero Exchange
+GenericName=Monero Exchange
+Icon=haveno
+Categories=Office;Finance;Java;P2P;
+Name[en_US]=Haveno
+Name=Haveno
+Terminal=false
+Type=Application
+MimeType=
+X-AppImage-Name=Haveno

desktop/package/package.gradle

@@ -113,6 +113,8 @@ task getJavaBinariesDownloadURLs {
             }
         }
 
+        ext.osKey = osKey
+
         ext.jdk21Binary_DownloadURL = jdk21Binaries[osKey]
         ext.jdk21Binary_SHA256Hash = jdk21Binaries[osKey + '-sha256']
     }
@@ -321,6 +323,69 @@ task packageInstallers {
                     " --linux-deb-maintainer [email protected]" +
                     " --type deb")
 
+            // Clean jpackage temp folder, needs to be empty for the next packaging step (AppImage)
+            jpackageTempDir.deleteDir()
+            jpackageTempDir.mkdirs()
+
+            executeCmd(jPackageFilePath + commonOpts +
+                    " --dest \"${jpackageTempDir}\"" +
+                    " --type app-image")
+
+            // Path to the app-image directory: THIS IS NOT THE ACTUAL .AppImage FILE.
+            // See JPackage documentation on --type app-image for more.
+            String appImagePath = new String(
+                    "\"${binariesFolderPath}/${appNameAndVendor}\""
+            )
+
+            // Which version of AppImageTool to use
+            String AppImageToolVersion = "13";
+
+            // Download AppImageTool
+            Map AppImageToolBinaries = [
+                    'linux'                 : "https://github.com/AppImage/AppImageKit/releases/download/${AppImageToolVersion}/appimagetool-x86_64.AppImage",
+                    'linux-aarch64'         : "https://github.com/AppImage/AppImageKit/releases/download/${AppImageToolVersion}/appimagetool-aarch64.AppImage",
+            ]
+
+            String osKey = getJavaBinariesDownloadURLs.property('osKey')
+
+            File appDir = new File("${jpackageTempDir}/Haveno")
+            File templateAppDir = new File("${project(':desktop').projectDir}/package/linux/Haveno.AppDir")
+            File jpackDir = appDir
+
+            appDir.mkdirs()
+
+            File AppImageToolBinary = new File("${jpackageTempDir}/appimagetool.AppImage")
+
+            // Adding a platform to the AppImageToolBinaries essentially adds it to the "supported" list of platforms able to make AppImages
+            // However, be warned that any platform that doesn't support unix `ln` and `chmod` will not work with the current method.
+            if (AppImageToolBinaries.containsKey(osKey)) {
+                println "Downloading ${AppImageToolBinaries[osKey]}"
+                ant.get(src: AppImageToolBinaries[osKey], dest: AppImageToolBinary)
+                println 'Download saved to ' + jpackageTempDir
+
+                project.exec {
+                    commandLine('chmod', '+x', AppImageToolBinary)
+                }
+
+                copy {
+                    from templateAppDir
+                    into appDir
+                    boolean includeEmptyDirs = true
+                }
+
+                project.exec {
+                    workingDir appDir
+                    commandLine 'ln', '-s', 'bin/Haveno', 'AppRun'
+                }
+
+                project.exec {
+                    commandLine "${AppImageToolBinary}", appDir, "${binariesFolderPath}/haveno_${appVersion}.AppImage"
+                }
+            } else {
+                println "Your platform does not support AppImageTool ${AppImageToolVersion}"
+            }
+
+
             // Clean jpackage temp folder, needs to be empty for the next packaging step (rpm)
             jpackageTempDir.deleteDir()
             jpackageTempDir.mkdirs()
@@ -345,6 +410,7 @@ task packageInstallers {
                     from binariesFolderPath
                     into envVariableSharedFolder
                 }
+
                 executeCmd("open " + envVariableSharedFolder)
             }
         }