fix: use diddlesnaps/snapcraft-multiarch-action to generate arm64 snap (#949)

.github/workflows/linux.yml

@@ -101,7 +101,12 @@ jobs:
 
   snap:
     needs: release
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        platform:
+        - amd64
+        - arm64
 
     steps:
       - uses: actions/checkout@v2
@@ -109,18 +114,19 @@ jobs:
       - name: Check version
         run: ./stores/snapcraft/check_version.sh
 
-      - name: Install Snapcraft with LXD
-        uses: samuelmeuli/action-snapcraft@v1
+      - uses: docker/setup-qemu-action@v1
+        if: env.SHOULD_DEPLOY == 'yes'
+
+      - uses: diddlesnaps/snapcraft-multiarch-action@v1
         with:
-          use_lxd: true
+          path: stores/snapcraft
+          architecture: ${{ matrix.platform }}
+        id: build
         if: env.SHOULD_DEPLOY == 'yes'
 
-      - name: Build snap
-        run: ./stores/snapcraft/build.sh
-        if: env.SHOULD_DEPLOY == 'yes'
-
-      - name: Release snap
-        run: ./stores/snapcraft/release.sh
-        env:
-          SNAP_STORE_LOGIN: ${{ secrets.SNAP_STORE_LOGIN }}
+      - uses: snapcore/action-publish@v1
+        with:
+          store_login: ${{ secrets.SNAP_STORE_LOGIN }}
+          snap: ${{ steps.build.outputs.snap }}
+          release: stable
         if: env.SHOULD_DEPLOY == 'yes'

stores/snapcraft/build.sh

@@ -1,13 +0,0 @@
-#!/bin/bash
-
-set -e
-
-CALLER_DIR=$( pwd )
-
-cd "$( dirname "${BASH_SOURCE[0]}" )"
-
-sg lxd -c 'snapcraft --use-lxd'
-
-ls -la
-
-cd "${CALLER_DIR}"

stores/snapcraft/release.sh

@@ -1,15 +0,0 @@
-#!/bin/bash
-
-set -e
-
-CALLER_DIR=$( pwd )
-
-cd "$( dirname "${BASH_SOURCE[0]}" )"
-
-echo "$SNAP_STORE_LOGIN" | snapcraft login --with -
-
-snapcraft upload --release=stable *.snap
-
-snapcraft logout
-
-cd "${CALLER_DIR}"

stores/snapcraft/snap/snapcraft.yaml

@@ -73,7 +73,7 @@ parts:
     after:
       - codium
     plugin: dump
-    source: local
+    source: snap/local
 
 apps:
   codium: