CI: generalise artefact handling

* on PR syncs, delete draft releases on Linux runners only
* delete draft releases when unmerged PRs are closed

Change-type: patch

.github/actions/always/action.yml

@@ -0,0 +1,38 @@
+---
+name: cleanup
+# https://github.com/product-os/flowzone/tree/master/.github/actions
+inputs:
+  json:
+    description: "JSON stringified object containing all the inputs from the calling workflow"
+    required: true
+  secrets:
+    description: "JSON stringified object containing all the secrets from the calling workflow"
+    required: true
+
+  # --- custom environment
+  VERBOSE:
+    type: string
+    default: "true"
+
+runs:
+  # https://docs.github.com/en/actions/creating-actions/creating-a-composite-action
+  using: "composite"
+  steps:
+    # delete draft releases if the pull request is closed without merging
+    - name: Delete draft release
+      if: |
+        runner.os == 'Linux' &&
+        github.event_name == 'pull_request' &&
+        github.event.pull_request.merged == false &&
+        github.event.action == 'closed'
+
+      shell: bash --noprofile --norc -eo pipefail -x {0}
+      run: |
+        set -ea
+
+        [[ '${{ inputs.VERBOSE }}' =~ on|On|Yes|yes|true|True ]] && set -x
+
+        gh release delete --yes '${{ github.event.pull_request.head.ref }}' || true
+
+      env:
+        GITHUB_TOKEN: ${{ fromJSON(inputs.secrets).FLOWZONE_TOKEN }}

.github/actions/publish/action.yml

@@ -31,17 +31,10 @@ runs:
         path: ${{ runner.temp }}
 
     - name: Extract custom source artifact
-      if: runner.os != 'Windows'
-      shell: bash --noprofile --norc -eo pipefail -x {0}
+      shell: pwsh
       working-directory: .
       run: tar -xf ${{ runner.temp }}/custom.tgz
 
-    - name: Extract custom source artifact
-      if: runner.os == 'Windows'
-      shell: powershell
-      working-directory: .
-      run: tar -xf ${{ runner.temp }}\custom.tgz
-
     - name: Setup Node.js
       uses: actions/setup-node@v3
       with:
@@ -233,15 +226,9 @@ runs:
           dist/latest*.yml
 
     - name: Compress custom source
-      if: runner.os != 'Windows'
-      shell: bash --noprofile --norc -eo pipefail -x {0}
+      shell: pwsh
       run: tar -acf ${{ runner.temp }}/custom.tgz .
 
-    - name: Compress custom source
-      if: runner.os == 'Windows'
-      shell: powershell
-      run: tar -acf ${{ runner.temp }}\custom.tgz .
-
     - name: Upload custom artifact
       uses: actions/upload-artifact@v3
       with:

.github/actions/test/action.yml

@@ -22,6 +22,7 @@ runs:
   using: "composite"
   steps:
     - name: Delete previous draft release
+      if: runner.os == 'Linux'
       shell: bash --noprofile --norc -eo pipefail -x {0}
       run: |
         set -ea
@@ -59,15 +60,9 @@ runs:
         ELECTRON_NO_ATTACH_CONSOLE: true
 
     - name: Compress custom source
-      if: runner.os != 'Windows'
-      shell: bash --noprofile --norc -eo pipefail -x {0}
+      shell: pwsh
       run: tar -acf ${{ runner.temp }}/custom.tgz .
 
-    - name: Compress custom source
-      if: runner.os == 'Windows'
-      shell: powershell
-      run: tar -acf ${{ runner.temp }}\custom.tgz .
-
     - name: Upload custom artifact
       uses: actions/upload-artifact@v3
       with: