fix: use --build-for on later snapcraft versions

release-to-candidate/action.yaml

@@ -57,17 +57,28 @@ runs:
         chmod +x /usr/bin/semver
 
     - name: Setup snapcraft
+      id: setup
       shell: bash
       run: |
         sudo snap install snapcraft --channel "${{inputs.snapcraft-channel}}" --classic
 
         installed_version="$(snapcraft version | cut -d" " -f2)"
 
-        # Setup Launchpad credentials.
-        # For versions of snapcraft after 8.2.0, the path is different for the launchpad 
-        # credentials.
         if [[ "$(semver compare "8.2.0" "$installed_version")" == "1" ]]; then
-          # If the installed version is *lower* than 8.2.0
+          echo "new-remote-build=false" >> "$GITHUB_OUTPUT"
+        else
+          echo "new-remote-build=true" >> "$GITHUB_OUTPUT"
+        fi
+
+        git config --global user.email "[email protected]"
+        git config --global user.name "Github Actions"
+
+    - name: Setup Launchpad credentials
+      shell: bash
+      run: |
+        # For versions of snapcraft after 8.2.0, the path is different
+        # shellcheck disable=SC2193
+        if [[ "${{ steps.setup.outputs.new-remote-build }}" == "false" ]]; then
           mkdir -p ~/.local/share/snapcraft/provider/launchpad
           echo "${{ inputs.launchpad-token }}" > ~/.local/share/snapcraft/provider/launchpad/credentials
         else
@@ -94,17 +105,26 @@ runs:
         version: ${{ steps.snapcraft-yaml.outputs.version }}
         project_root: ${{ steps.snapcraft-yaml.outputs.project-root }}
       run: |
-        # Restrict arch definition to one only in snapcraft.yaml due to:
-        # https://bugs.launchpad.net/snapcraft/+bug/1885150
-        yq -i '.architectures |= [{"build-on": env(arch)}]' "$yaml_path"
+        snapcraft_args=("--launchpad-accept-public-upload")
+
+        # shellcheck disable=SC2193
+        if [[ "${{ steps.setup.outputs.new-remote-build }}" == "false" ]]; then
+          # Restrict arch definition to one only in snapcraft.yaml due to:
+          # https://bugs.launchpad.net/snapcraft/+bug/1885150
+          yq -i '.architectures |= [{"build-on": env(arch)}]' "$yaml_path"
+        else
+          snapcraft_args+=("--build-for $arch")
+        fi
 
         pushd "$project_root" && git init || exit
 
-        if ! snapcraft remote-build --launchpad-accept-public-upload; then
+        # shellcheck disable=SC2068
+        if ! snapcraft remote-build ${snapcraft_args[@]}; then
           cat "${name}_${arch}.txt"
         fi
 
-        cat "${name}_${arch}.txt"
+        # shellcheck disable=SC2086
+        cat ${name}_${arch}*.txt
 
         if [[ ! -e "${name}_${version}_${arch}.snap" ]]; then
             echo "Could not find ${name}_${version}_${arch}.snap"