fix(snap): (fix canonical#300) remotely build snaps from GH

.github/workflows/snap.yml

@@ -3,62 +3,112 @@ name: Pebble snap
 on:
   pull_request:
     branches: [master]
+  push:
+    branches: [master]
   release:
     types: [published]
 
 env:
-  SNAP_NAME: pebble
+  SNAP_NAME: pebble-cjdc
+  DEFAULT_TRACK: latest
+  DEFAULT_RISK: edge
 
 jobs:
   build:
     runs-on: ubuntu-latest
-    outputs:
-      pebble-snap: ${{ steps.build-pebble-snap.outputs.snap }}
-
+    strategy:
+      fail-fast: false
+      matrix:
+        arch: [amd64, arm64, ppc64el, armhf, s390x]
     steps:
       - name: Checkout Pebble repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
-      - name: Build Pebble Snap
-        id: build-pebble-snap
-        uses: snapcore/action-build@v1
+      - name: Set LP credentials for remote build
+        id: set-local-paths
+        run: |
+          lp_creds_path="$HOME/.local/share/snapcraft/provider/launchpad"
+          mkdir -p $lp_creds_path
+          echo '${{ secrets.LP_CREDENTIALS }}' > ${lp_creds_path}/credentials
+          git config --global user.email "${{ secrets.PEBBLE_DEV_MAILING_LIST}}"
+          git config --global user.name "pebble-dev"
+
+          echo "home=$HOME" >> $GITHUB_OUTPUT
 
-      - name: Attach pebble snap to GH workflow execution
+      - name: Build ${{ env.SNAP_NAME }} Snap for ${{ matrix.arch }}
+        id: build-snap
+        uses: snapcore/[email protected]
+        with:
+          snapcraft-args: remote-build --build-for=${{ matrix.arch }} --launchpad-accept-public-upload
+
+      - uses: actions/upload-artifact@v3
+        if: failure()
+        with:
+          name: snapcraft-logs
+          path: |
+            ${{ steps.set-local-paths.outputs.home }}/.cache/snapcraft/log/
+            ${{ steps.set-local-paths.outputs.home }}/.local/state/snapcraft/log/
+            ${{ env.SNAP_NAME }}_*.txt
+
+      - name: Attach ${{ matrix.arch }} snap to GH workflow execution
         uses: actions/upload-artifact@v2
         with:
-          name: ${{ steps.build-pebble-snap.outputs.snap }}
-          path: ${{ steps.build-pebble-snap.outputs.snap }}
+          name: ${{ steps.build-snap.outputs.snap }}
+          path: ${{ steps.build-snap.outputs.snap }}
 
   test:
     runs-on: ubuntu-latest
     needs: [build]
-    outputs:
-      pebble-version: ${{ steps.install-pebble.outputs.version }}
-
+    strategy:
+      fail-fast: true
+      # NOTE: adjust this matrix if we ever start testing with multi-arch runners.
+      matrix:
+        arch: [amd64]
     steps:
-      - uses: actions/download-artifact@v3
+      - name: Download ${{ env.SNAP_NAME }} snap for ${{ matrix.arch }}
+        id: download-artifact
+        uses: dawidd6/action-download-artifact@v2
         with:
-          name: ${{ needs.build.outputs.pebble-snap }}
+          name: "${{ env.SNAP_NAME }}*${{ matrix.arch }}.snap"
+          name_is_regexp: true
 
       - name: Install the Pebble snap
         id: install-pebble
         run: |
           set -ex
+          ls
           # Install the Pebble snap from the artifact built in the previous job
-          sudo snap install --dangerous --classic ${{ needs.build.outputs.pebble-snap }}
+          sudo snap install --dangerous --classic \
+            `ls ${{ env.SNAP_NAME }}*${{ matrix.arch }}.snap`
 
           # Make sure Pebble is installed
-          echo "version=$(pebble version --client)" >> "$GITHUB_OUTPUT"
+          echo "version=$(pebble-cjdc.pebble version --client)" >> "$GITHUB_OUTPUT"
 
       - name: Run smoke test
-        run: pebble enter --create-dirs exec echo Hello | grep Hello
+        run: pebble-cjdc.pebble enter --create-dirs exec echo Hello | grep Hello
+
+  # upload:
+  #   if: ${{ github.event_name != 'pull_request' }}
+  #   runs-on: ubuntu-latest
+  #   needs: [test]
+  #   steps:
+  #     - uses: actions/download-artifact@v3
+  #       with:
+  #         name: snaps
+
+  #     - name: Upload snaps to ${{ env.DEFAULT_TRACK }}/${{ env.DEFAULT_RISK }}
+  #       run: |
+  #         set -ex
+  #         for snap in `ls ${{ env.SNAP_NAME }}*.snap`
+  #         do
+  #           snapcraft
 
   promote:
     if: ${{ github.event_name == 'release' }}
     runs-on: ubuntu-latest
-    needs: [test]
+    needs: [upload]
     strategy:
       fail-fast: false
       matrix:

snap/snapcraft.yaml

@@ -42,7 +42,7 @@ parts:
     plugin: nil
     source: .
     override-build: |
-      version="$(${CRAFT_PART_INSTALL}/bin/pebble version --client)"
+      version="$(${CRAFT_STAGE}/bin/pebble version --client)"
 
       # Set snap version
       craftctl set version="$version"