ci(release): add dispatch GHA for snapcraft classic release (#1256)

Signed-off-by: Billy Zha <jinzha1@microsoft.com>

.github/workflows/release-snap.yml

@@ -0,0 +1,64 @@
+# Copyright The ORAS Authors.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: release-snap
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'release version, like v1.2.0-beta.1'
+        required: true
+      isStable:
+        type: boolean
+        description: 'check for stable release'
+        default: false
+
+jobs:
+  release-snap:
+    strategy:
+      matrix:
+        arch:
+        - 'amd64'
+        - 'arm64'
+        - 's390x'
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: extract version
+        id: version
+        run: |
+          if [[ "${{ github.event.inputs.isStable }}" == "true" ]]; then
+            echo "release=stable" >> $GITHUB_OUTPUT
+          else
+            echo "release=candidate" >> $GITHUB_OUTPUT
+          fi
+          echo "version=${{ github.event.inputs.version }}" >> $GITHUB_OUTPUT
+      - name: make snapcraft
+        run: |
+          sed -i 's/{VERSION}/${{ steps.version.outputs.version }}/g' snapcraft.yaml
+          sed -i 's/{ARCH}/${{ matrix.arch }}/g' snapcraft.yaml
+          cat snapcraft.yaml
+      - uses: snapcore/action-build@v1
+        id: build
+      - uses: snapcore/action-publish@v1
+        name: publish
+        env:
+          SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.SNAPCRAFT_STORE_CREDENTIALS }}
+        with:
+          snap: ${{ steps.build.outputs.snap }}
+          release: ${{ steps.version.outputs.release }}
+

snapcraft.yaml

@@ -12,21 +12,17 @@
 # limitations under the License.
 
 name: oras
-version: 'v1.0.0'
+version: '{VERSION}'
 summary: Package for the ORAS CLI tool
 description: |
   A snap package for the ORAS CLI tool, which is used for managing OCI artifacts.
 base: core22
-confinement: strict
+confinement: classic
 grade: stable
 
 architectures:
   - build-on: amd64
-    build-for: amd64
-  - build-on: amd64
-    build-for: arm64
-  - build-on: amd64
-    build-for: s390x
+    build-for: {ARCH}
 
 parts:
   oras:
@@ -35,12 +31,8 @@ parts:
     source-type: git
     source-tag: $SNAPCRAFT_PROJECT_VERSION
     build-environment:
-      - on amd64 to amd64:
-        - TARGET_ARCH: "amd64"
-      - on amd64 to arm64:
-        - TARGET_ARCH: "arm64"
-      - on amd64 to s390x:
-        - TARGET_ARCH: "s390x"
+      - on amd64 to {ARCH}:
+        - TARGET_ARCH: "{ARCH}"
     build-snaps:
       - go/1.22/stable
     build-packages: