Setup publishing to s3

.aptly.conf

@@ -0,0 +1,12 @@
+{
+  "S3PublishEndpoints": {
+    "signal-desktop-apt": {
+      "region": "us-east-1",
+      "bucket": "updates.signal.org",
+      "prefix": "desktop/apt",
+      "acl": "public-read",
+      "plusWorkaround": false,
+      "disableMultiDel": false
+    }
+  }
+}

aptly.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+# Setup:
+#   aptly repo create signal-desktop
+#
+# Release:
+#   aptly repo add signal-desktop path/to/signal-desktop_X.X.X_amd64.deb
+#   VERSION=vX.X.X ./aptly.sh
+
+REPO=signal-desktop
+DISTRO=xenial
+ENDPOINT=signal-desktop-apt # Matches endpoint name in .aptly.conf
+DEB_PATH=pack
+SNAPSHOT=signal-desktop_v$VERSION
+GPG_KEYID=57F6FB06
+aptly repo add $REPO $DEB_PATH/$REPO\_$VERSION\_*.deb
+
+while true; do
+    read -p "Create snapshot?" yn
+    case $yn in
+        [Yy]* ) break;;
+        [Nn]* ) exit;;
+        * ) echo "Please answer yes or no.";
+    esac
+done
+aptly snapshot create $SNAPSHOT from repo $REPO
+while true; do
+    read -p "Deploy snapshot?" yn
+    case $yn in
+        [Yy]* ) break;;
+        [Nn]* ) exit;;
+        * ) echo "Please answer yes or no.";
+    esac
+done
+aptly publish switch -gpg-key=$GPG_KEYID $DISTRO $SNAPSHOT
+aptly publish switch -gpg-key=$GPG_KEYID -config=.aptly.conf $DISTRO s3:$ENDPOINT: $SNAPSHOT

package.json

@@ -41,14 +41,29 @@
   "build": {
     "appId": "org.whispersystems.signal-desktop",
     "mac": {
-      "category": "public.app-category.social-networking"
+      "category": "public.app-category.social-networking",
+      "publish": {
+        "provider": "s3",
+        "region": "us-east-1",
+        "bucket": "updates.signal.org",
+        "path": "desktop",
+        "acl": "public-read"
+      }
+    },
+    "win": {
+      "publish": {
+        "provider": "s3",
+        "region": "us-east-1",
+        "bucket": "updates.signal.org",
+        "path": "desktop",
+        "acl": "public-read"
+      }
     },
     "linux": {
       "target": [
         "deb"
       ]
     },
-    "win": {},
     "files": [
       "**/*",
       "!**/node_modules/*/{CHANGELOG.md,README.md,README,readme.md,readme,test,__tests__,tests,powered-test,example,examples,*.d.ts}",
@@ -73,10 +88,7 @@
     ],
     "directories": {
       "output": "pack"
-    },
-    "publish": [
-      "github"
-    ]
+    }
   },
   "dependencies": {
     "electron-updater": "^1.11.2"