From 8468b43891f01f2502d7b93c7ef08534b7d139cd Mon Sep 17 00:00:00 2001
From: Tobias Brunner <tobias@strongswan.org>
Date: Fri, 11 Dec 2020 16:30:04 +0100
Subject: [PATCH] github: Prevent duplicate CI runs

This cancels previous runs of the same branch and skips runs of the same
content (e.g. after merges or tags).
---
 .github/workflows/android.yml    | 12 ++++++++++++
 .github/workflows/lgtm.yml       | 12 ++++++++++++
 .github/workflows/linux.yml      | 16 ++++++++++++++++
 .github/workflows/macos.yml      | 12 ++++++++++++
 .github/workflows/sonarcloud.yml | 12 ++++++++++++
 .github/workflows/windows.yml    | 12 ++++++++++++
 6 files changed, 76 insertions(+)

diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
index 567c50772..b4f1bace0 100644
--- a/.github/workflows/android.yml
+++ b/.github/workflows/android.yml
@@ -10,7 +10,19 @@ env:
   OS_NAME: linux
 
 jobs:
+  pre-check:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip-check.outputs.should_skip }}
+    steps:
+      - id: skip-check
+        uses: fkirc/skip-duplicate-actions@master
+        with:
+          concurrent_skipping: 'same_content'
+
   android:
+    needs: pre-check
+    if: ${{ needs.pre-check.outputs.should_skip != 'true' }}
     runs-on: ubuntu-latest
     env:
       TEST: android
diff --git a/.github/workflows/lgtm.yml b/.github/workflows/lgtm.yml
index 8d6fd54a0..f527b2966 100644
--- a/.github/workflows/lgtm.yml
+++ b/.github/workflows/lgtm.yml
@@ -6,7 +6,19 @@ env:
   OS_NAME: linux
 
 jobs:
+  pre-check:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip-check.outputs.should_skip }}
+    steps:
+      - id: skip-check
+        uses: fkirc/skip-duplicate-actions@master
+        with:
+          concurrent_skipping: 'same_content'
+
   lgtm:
+    needs: pre-check
+    if: ${{ needs.pre-check.outputs.should_skip != 'true' }}
     runs-on: ubuntu-latest
     env:
       TEST: lgtm
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index fc51cd35c..442628b7b 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -13,7 +13,19 @@ env:
   OS_NAME: linux
 
 jobs:
+  pre-check:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip-check.outputs.should_skip }}
+    steps:
+      - id: skip-check
+        uses: fkirc/skip-duplicate-actions@master
+        with:
+          concurrent_skipping: 'same_content'
+
   latest:
+    needs: pre-check
+    if: ${{ needs.pre-check.outputs.should_skip != 'true' }}
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -72,6 +84,8 @@ jobs:
           retention-days: 5
 
   crypto-plugins:
+    needs: pre-check
+    if: ${{ needs.pre-check.outputs.should_skip != 'true' }}
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -108,6 +122,8 @@ jobs:
           retention-days: 5
 
   xenial:
+    needs: pre-check
+    if: ${{ needs.pre-check.outputs.should_skip != 'true' }}
     runs-on: ubuntu-16.04
     strategy:
       matrix:
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 1528f3f9e..c89678a55 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -10,7 +10,19 @@ env:
   OS_NAME: macos
 
 jobs:
+  pre-check:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip-check.outputs.should_skip }}
+    steps:
+      - id: skip-check
+        uses: fkirc/skip-duplicate-actions@master
+        with:
+          concurrent_skipping: 'same_content'
+
   macos:
+    needs: pre-check
+    if: ${{ needs.pre-check.outputs.should_skip != 'true' }}
     runs-on: macos-latest
     env:
       TEST: macos
diff --git a/.github/workflows/sonarcloud.yml b/.github/workflows/sonarcloud.yml
index aa6a411e2..293cbe27d 100644
--- a/.github/workflows/sonarcloud.yml
+++ b/.github/workflows/sonarcloud.yml
@@ -9,7 +9,19 @@ env:
   OS_NAME: linux
 
 jobs:
+  pre-check:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip-check.outputs.should_skip }}
+    steps:
+      - id: skip-check
+        uses: fkirc/skip-duplicate-actions@master
+        with:
+          concurrent_skipping: 'same_content'
+
   sonarcloud:
+    needs: pre-check
+    if: ${{ needs.pre-check.outputs.should_skip != 'true' }}
     runs-on: ubuntu-latest
     env:
       TEST: sonarcloud
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 073bd274a..31334c504 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -13,7 +13,19 @@ env:
   MONOLITHIC: yes
 
 jobs:
+  pre-check:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip-check.outputs.should_skip }}
+    steps:
+      - id: skip-check
+        uses: fkirc/skip-duplicate-actions@master
+        with:
+          concurrent_skipping: 'same_content'
+
   cross-compile:
+    needs: pre-check
+    if: ${{ needs.pre-check.outputs.should_skip != 'true' }}
     runs-on: ubuntu-latest
     strategy:
       matrix: