feat: support development linux builds

electron-builder.yaml

@@ -45,3 +45,12 @@ appx:
 nsis:
   oneClick: false # allow user to choose per-user or per-machine
   artifactName: "Scratch ${version} Setup.${ext}"
+linux:
+  target: AppImage
+  executableName: scratch-desktop
+  # Currently Linux builds are supported only for development and have
+  # not been tested in a production environment.
+  category: Development
+  # Ensure sandbox permissions are set
+  asarUnpack:
+    - chrome-sandbox

scripts/electron-builder-wrapper.js

@@ -117,6 +117,10 @@ const calculateTargets = function (wrapperConfig) {
         windowsDirectDownload: {
             name: 'nsis:ia32',
             platform: 'win32'
+        },
+        linuxAppImage: {
+            name: 'appimage',
+            platform: 'linux'
         }
     };
     const targets = [];
@@ -145,6 +149,9 @@ const calculateTargets = function (wrapperConfig) {
         }
         targets.push(availableTargets.macDirectDownload);
         break;
+    case 'linux':
+        targets.push(availableTargets.linuxAppImage);
+        break;
     default:
         throw new Error(`Could not determine targets for platform: ${process.platform}`);
     }