From 3ff66793d589d115f337fc5b4ba7eadf2f57f58e Mon Sep 17 00:00:00 2001
From: Brad Jorsch <anomie@users.sourceforge.net>
Date: Fri, 14 May 2021 13:10:14 -0400
Subject: [PATCH 1/4] testing

---
 .github/workflows/test.yml | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bb919b2..a4b9201 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,17 +1,14 @@
 name: Test
 on:
-  pull_request_target:
-    branches: [ '🙄' ]
+  pull_request:
   push:
-    tags: [ testtag ]
-
 
 jobs:
   job:
-    name: Test
+    name: Test expressions
     runs-on: ubuntu-latest
     steps:
-      - name: Env
-        run: env
-      - name: Event data
-        run: cat $GITHUB_EVENT_PATH
+      - name: Expr
+        env:
+          XXX: build-${{ github.event_name == 'push' && github.run_id || "pr" }}-${{ github.ref }}
+        run: echo "$XXX"

From c6add079b30fc7ac884825d9acb1532c91bf656e Mon Sep 17 00:00:00 2001
From: Brad Jorsch <anomie@users.sourceforge.net>
Date: Fri, 14 May 2021 13:11:48 -0400
Subject: [PATCH 2/4] oops

---
 .github/workflows/test.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a4b9201..3cb3960 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,5 +10,5 @@ jobs:
     steps:
       - name: Expr
         env:
-          XXX: build-${{ github.event_name == 'push' && github.run_id || "pr" }}-${{ github.ref }}
+          XXX: build-${{ github.event_name == 'push' && github.run_id || 'pr' }}-${{ github.ref }}
         run: echo "$XXX"

From 93fdfe2ca7c271ef2d36477465b5418f1621e7c8 Mon Sep 17 00:00:00 2001
From: Brad Jorsch <anomie@users.sourceforge.net>
Date: Fri, 14 May 2021 13:16:53 -0400
Subject: [PATCH 3/4] Test cross-job and cross-workflow concurrency

---
 .github/workflows/A.yml | 15 +++++++++++++++
 .github/workflows/B.yml | 15 +++++++++++++++
 .github/workflows/C.yml | 23 +++++++++++++++++++++++
 3 files changed, 53 insertions(+)
 create mode 100644 .github/workflows/A.yml
 create mode 100644 .github/workflows/B.yml
 create mode 100644 .github/workflows/C.yml

diff --git a/.github/workflows/A.yml b/.github/workflows/A.yml
new file mode 100644
index 0000000..91a41c6
--- /dev/null
+++ b/.github/workflows/A.yml
@@ -0,0 +1,15 @@
+name: A
+on:
+  push:
+
+concurrency:
+  group: foo
+  cancel-in-progress: true
+
+jobs:
+  job:
+    name: A
+    runs-on: ubuntu-latest
+    steps:
+      - name: Sleep
+        run: sleep 20
diff --git a/.github/workflows/B.yml b/.github/workflows/B.yml
new file mode 100644
index 0000000..bd8771b
--- /dev/null
+++ b/.github/workflows/B.yml
@@ -0,0 +1,15 @@
+name: B
+on:
+  push:
+
+concurrency:
+  group: foo
+  cancel-in-progress: true
+
+jobs:
+  job:
+    name: B
+    runs-on: ubuntu-latest
+    steps:
+      - name: Sleep
+        run: sleep 20
diff --git a/.github/workflows/C.yml b/.github/workflows/C.yml
new file mode 100644
index 0000000..1e1a339
--- /dev/null
+++ b/.github/workflows/C.yml
@@ -0,0 +1,23 @@
+name: C
+on:
+  push:
+
+jobs:
+  job1:
+    name: C1
+    runs-on: ubuntu-latest
+    concurrency:
+      group: C
+      cancel-in-progress: true
+    steps:
+      - name: Sleep
+        run: sleep 20
+  job2:
+    name: C2
+    runs-on: ubuntu-latest
+    concurrency:
+      group: C
+      cancel-in-progress: true
+    steps:
+      - name: Sleep
+        run: sleep 20

From 9aa8db57053c20802c29e3a3de89e2afcf1387d6 Mon Sep 17 00:00:00 2001
From: Brad Jorsch <anomie@users.sourceforge.net>
Date: Fri, 14 May 2021 13:21:12 -0400
Subject: [PATCH 4/4] more testing

---
 .github/workflows/C.yml | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/.github/workflows/C.yml b/.github/workflows/C.yml
index 1e1a339..8b6b878 100644
--- a/.github/workflows/C.yml
+++ b/.github/workflows/C.yml
@@ -21,3 +21,33 @@ jobs:
     steps:
       - name: Sleep
         run: sleep 20
+  job3:
+    name: C3
+    runs-on: ubuntu-latest
+    concurrency:
+      group: C
+      cancel-in-progress: true
+    steps:
+      - name: Sleep
+        run: sleep 20
+  job4:
+    name: C4
+    runs-on: ubuntu-latest
+    concurrency:
+      group: C
+      cancel-in-progress: true
+    steps:
+      - name: Sleep
+        run: sleep 20
+  jobX:
+    name: matrix ${{matrix.n}}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        n: [ 1, 2, 3, 4 ]
+    concurrency:
+      group: CM
+      cancel-in-progress: true
+    steps:
+      - name: Sleep
+        run: sleep 20