feat: get strict-confined snaps building

packages/app-electron/package.json

@@ -15,7 +15,7 @@
     "start": "concurrently \"npm:ui-dev\" \"electron-forge start\"",
     "build": "exit 0",
     "no-postinstall": "node scripts/link-electron.cjs",
-    "postinstall": "cd node_modules/@pledger/plugin-agoric-app&&yarn build:electron",
+    "postinstall": "patch-package&&cd node_modules/@pledger/plugin-agoric-app&&yarn build:electron",
     "package": "electron-forge package",
     "make": "electron-forge make",
     "publish:electron": "electron-forge publish",
@@ -62,8 +62,8 @@
           "oldname": "@electron-forge/maker-snap",
           "config": {
             "name": "pledger",
-            "confinement": "devmode",
-            "executableName": "pledger"
+            "confinement": "strict",
+	    "executableName": "pledger"
           }
         },
         {

packages/app-electron/patches/@davidwinter+electron-forge-maker-snap+0.7.1.patch

@@ -0,0 +1,48 @@
+diff --git a/node_modules/@davidwinter/electron-forge-maker-snap/snap-packager.js b/node_modules/@davidwinter/electron-forge-maker-snap/snap-packager.js
+index 28a8775..0c17661 100644
+--- a/node_modules/@davidwinter/electron-forge-maker-snap/snap-packager.js
++++ b/node_modules/@davidwinter/electron-forge-maker-snap/snap-packager.js
+@@ -92,9 +92,11 @@ module.exports = class SnapPackager {
+ 		this.deps.fse.copySync(this.options.makeOptions.dir, appFiles);
+ 		debug(`App files copied to: ${appFiles}`);
+
+-		this.deps.fse.renameSync(path.join(appFiles, this.values.packagedExecutableName), path.join(appFiles, this.values.executableName));
++		const dest = path.join(appFiles, this.values.executableName);
++		if (!this.deps.fse.existsSync(dest)) {
++		this.deps.fse.renameSync(path.join(appFiles, this.values.packagedExecutableName), dest);
+ 		debug(`Rename '${this.values.packagedExecutableName} to ${this.values.executableName} in: ${appFiles}`);
+-
++		}
+ 		return true;
+ 	}
+
+@@ -111,7 +113,7 @@ module.exports = class SnapPackager {
+ 			result = await new Promise((resolve, reject) => {
+ 				const spawnSnapcraftInDirectory = path.join(this.options.makeOptions.makeDir, 'snapcraft');
+
+-				const snapcraft = this.deps.spawn('snapcraft', ['snap', '--output', snapFile], {
++				const snapcraft = this.deps.spawn('snapcraft', ['snap', '--output', snapFile, '--enable-experimental-extensions'], {
+ 					cwd: spawnSnapcraftInDirectory
+ 				});
+
+diff --git a/node_modules/@davidwinter/electron-forge-maker-snap/snapcraft.template.yaml b/node_modules/@davidwinter/electron-forge-maker-snap/snapcraft.template.yaml
+index c0882d6..40213e5 100644
+--- a/node_modules/@davidwinter/electron-forge-maker-snap/snapcraft.template.yaml
++++ b/node_modules/@davidwinter/electron-forge-maker-snap/snapcraft.template.yaml
+@@ -4,14 +4,14 @@ version: ''
+ icon: ./build/icon.png
+ summary: ''
+ description: ''
+-base: core18
++base: core20
+ confinement: ''
+ grade: ''
+
+ apps:
+   SNAP-TEMPLATE:
+     command: SNAP-TEMPLATE/SNAP-TEMPLATE --no-sandbox
+-    extensions: [gnome-3-34]
++    extensions: [gnome-3-38]
+     plugs:
+       - alsa
+       - browser-support