From 5a6c84024c759048116733881fe2b0c5c890d65a Mon Sep 17 00:00:00 2001
From: teor <teor@riseup.net>
Date: Thu, 27 Oct 2022 08:19:53 +1000
Subject: [PATCH] change(ci): Add patch jobs for lightwalletd build and
 getblocktemplate-rpcs tests (#5474)

* Add test-all-getblocktemplate-rpcs CI patch job

* Cancel concurrent in-progress zcash-lightwalletd jobs

* Add a patch job for zcash-lightwalletd / Build images
---
 .../continous-integration-docker.patch.yml    |  6 +++++
 .../workflows/zcash-lightwalletd.patch.yml    | 22 +++++++++++++++++++
 .github/workflows/zcash-lightwalletd.yml      |  9 ++++++++
 3 files changed, 37 insertions(+)
 create mode 100644 .github/workflows/zcash-lightwalletd.patch.yml

diff --git a/.github/workflows/continous-integration-docker.patch.yml b/.github/workflows/continous-integration-docker.patch.yml
index 3f4bd9b38..5cf685549 100644
--- a/.github/workflows/continous-integration-docker.patch.yml
+++ b/.github/workflows/continous-integration-docker.patch.yml
@@ -42,6 +42,12 @@ jobs:
     steps:
       - run: 'echo "No build required"'
 
+  test-all-getblocktemplate-rpcs:
+    name: Test all with getblocktemplate-rpcs feature
+    runs-on: ubuntu-latest
+    steps:
+      - run: 'echo "No build required"'
+
   test-fake-activation-heights:
     name: Test with fake activation heights
     runs-on: ubuntu-latest
diff --git a/.github/workflows/zcash-lightwalletd.patch.yml b/.github/workflows/zcash-lightwalletd.patch.yml
new file mode 100644
index 000000000..e3d45e496
--- /dev/null
+++ b/.github/workflows/zcash-lightwalletd.patch.yml
@@ -0,0 +1,22 @@
+name: zcash-lightwalletd
+
+# When the real job doesn't run because the files aren't changed,
+# run a fake CI job to satisfy the branch protection rules.
+on:
+  pull_request:
+    branches:
+      - main
+    paths-ignore:
+      - 'zebra-rpc/**'
+      - 'zebrad/tests/acceptance.rs'
+      - 'zebrad/src/config.rs'
+      - 'zebrad/src/commands/start.rs'
+      - 'docker/zcash-lightwalletd/Dockerfile'
+      - '.github/workflows/zcash-lightwalletd.yml'
+
+jobs:
+  build:
+    name: Build images
+    runs-on: ubuntu-latest
+    steps:
+      - run: 'echo "No build required"'
diff --git a/.github/workflows/zcash-lightwalletd.yml b/.github/workflows/zcash-lightwalletd.yml
index 51c64828c..9a14c65a4 100644
--- a/.github/workflows/zcash-lightwalletd.yml
+++ b/.github/workflows/zcash-lightwalletd.yml
@@ -1,5 +1,14 @@
 name: zcash-lightwalletd
 
+# Ensures that only one workflow task will run at a time. Previous builds, if
+# already in process, will get cancelled. Only the latest commit will be allowed
+# to run, cancelling any workflows in between
+#
+# Cancelling old jobs is the most efficient approach, because the workflow is quick.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 on:
   workflow_dispatch: