Add steps to publish to Snapcraft (#1102)

Draft until our Snap package is approved for classic confinement:
https://forum.snapcraft.io/t/classic-confinement-request-for-waveterm/43562

.github/workflows/publish-release.yml

@@ -16,6 +16,8 @@ jobs:
               with:
                   version: 3.x
                   repo-token: ${{ secrets.GITHUB_TOKEN }}
+            - name: Install Snapcraft
+              uses: samuelmeuli/action-snapcraft@v2
             - name: Publish from staging
               run: "task artifacts:publish:${{ github.ref_name }}"
               env:
@@ -23,6 +25,17 @@ jobs:
                   AWS_SECRET_ACCESS_KEY: "${{ secrets.PUBLISHER_KEY_SECRET }}"
                   AWS_DEFAULT_REGION: us-west-2
               shell: bash
+            - name: Download Snap from Release
+              uses: i3h/download-release-asset@v1
+              with:
+                  owner: wavetermdev
+                  repo: waveterm
+                  tag: ${{github.ref_name}}
+                  file: /*.snap/
+            - name: Publish to Snapcraft
+              run: "task artifacts:publish:snap:${{ github.ref_name }}"
+              env:
+                  SNAPCRAFT_STORE_CREDENTIALS: "${{secrets.SNAPCRAFT_LOGIN_CREDS}}"
     bump-winget:
         if: ${{ startsWith(github.ref, 'refs/tags/') && !contains(github.ref_name, 'beta') }}
         runs-on: windows-latest

Taskfile.yml

@@ -230,6 +230,14 @@ tasks:
                     echo "https://$SUFFIX"
                 fi
             done
+    artifacts:publish:snap:*:
+        desc: Publishes the specified artifacts version to Snapcraft.
+        vars:
+            UP_VERSION: '{{ replace "v" "" (index .MATCH 0)}}'
+            CHANNEL: '{{if contains .UP_VERSION "beta"}}beta{{else}}beta,stable{{end}}'
+        cmd: |
+            snapcraft upload --release={{.CHANNEL}} waveterm_{{.UP_VERSION}}_arm64.snap
+            snapcraft upload --release={{.CHANNEL}} waveterm_{{.UP_VERSION}}_amd64.snap
 
     artifacts:publish:winget:*:
         desc: Submits a version bump request to WinGet for the latest release.

electron-builder.config.cjs

@@ -88,6 +88,7 @@ const config = {
         base: "core22",
         confinement: "classic",
         allowNativeWayland: true,
+        artifactName: `${productName}_${version}_${arch}.${ext}`,
     },
     publish: {
         provider: "generic",