From 8887a121b43d36c41e6c9da799805d54eaf2b2b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=B3bert=20Papp=20=28TWiStErRob=29?=
 <papp.robert.s@gmail.com>
Date: Sat, 17 Jul 2021 10:08:47 +0100
Subject: [PATCH 1/9] First attempt at a condition expression in
 `concurrency.group`

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

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 1c8822d93..b1052980f 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -3,7 +3,7 @@ on:
   push
 concurrency:
   # Documentation suggests ${{ github.head_ref }}, but that's only available on pull_request/pull_request_target triggers.
-  group: ci-${{ github.ref }}
+  group: github.ref == 'refs/heads/master' && 'ci-${{ github.sha }}' || 'ci-${{ github.ref }}'
   cancel-in-progress: true
 jobs:
   build:

From 0d2ddd8b7024251511cbbc3b5370356f1193a01b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=B3bert=20Papp=20=28TWiStErRob=29?=
 <papp.robert.s@gmail.com>
Date: Sat, 17 Jul 2021 10:09:01 +0100
Subject: [PATCH 2/9] Flip to be able to test on PR

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

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index b1052980f..69e9efaac 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -3,7 +3,7 @@ on:
   push
 concurrency:
   # Documentation suggests ${{ github.head_ref }}, but that's only available on pull_request/pull_request_target triggers.
-  group: github.ref == 'refs/heads/master' && 'ci-${{ github.sha }}' || 'ci-${{ github.ref }}'
+  group: github.ref != 'refs/heads/master' && 'ci-${{ github.sha }}' || 'ci-${{ github.ref }}'
   cancel-in-progress: true
 jobs:
   build:

From 40851d75e7d0fe79fd3f9ab4ceb4aa8b10066d87 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=B3bert=20Papp=20=28TWiStErRob=29?=
 <papp.robert.s@gmail.com>
Date: Sat, 17 Jul 2021 10:14:39 +0100
Subject: [PATCH 3/9] Use explicit branch

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

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 69e9efaac..535c14b23 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -3,7 +3,7 @@ on:
   push
 concurrency:
   # Documentation suggests ${{ github.head_ref }}, but that's only available on pull_request/pull_request_target triggers.
-  group: github.ref != 'refs/heads/master' && 'ci-${{ github.sha }}' || 'ci-${{ github.ref }}'
+  group: github.ref == 'refs/heads/canceltest' && 'ci-${{ github.sha }}' || 'ci-${{ github.ref }}'
   cancel-in-progress: true
 jobs:
   build:

From 3f27b14936999000fe9f31398f2caf0a2a37756a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=B3bert=20Papp=20=28TWiStErRob=29?=
 <papp.robert.s@gmail.com>
Date: Sat, 17 Jul 2021 10:28:58 +0100
Subject: [PATCH 4/9] Change comment

---
 .github/workflows/CI.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 535c14b23..feae40c3f 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -2,7 +2,8 @@ name: CI # Check Gradle and AGP combinations
 on:
   push
 concurrency:
-  # Documentation suggests ${{ github.head_ref }}, but that's only available on pull_request/pull_request_target triggers.
+  # Documentation suggests ${{ github.head_ref }}, but that's only available on pull_request/pull_request_target triggers, so using ${{ github.ref }}.
+  # On master, we want all builds to complete even if merging happens faster to make it easier to discover at which point something broke.
   group: github.ref == 'refs/heads/canceltest' && 'ci-${{ github.sha }}' || 'ci-${{ github.ref }}'
   cancel-in-progress: true
 jobs:

From b5248e44bcbd8f0dd2684eeca0cfca9a15857866 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=B3bert=20Papp=20=28TWiStErRob=29?=
 <papp.robert.s@gmail.com>
Date: Sat, 17 Jul 2021 10:30:12 +0100
Subject: [PATCH 5/9] Change comment2

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

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index feae40c3f..d20b3f0ce 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -2,7 +2,7 @@ name: CI # Check Gradle and AGP combinations
 on:
   push
 concurrency:
-  # Documentation suggests ${{ github.head_ref }}, but that's only available on pull_request/pull_request_target triggers, so using ${{ github.ref }}.
+  # Documentation suggests ${{ github.head_ref }}, but that's only available on pull_request/pull_request_target triggers, so using ${{ github.ref }}.1
   # On master, we want all builds to complete even if merging happens faster to make it easier to discover at which point something broke.
   group: github.ref == 'refs/heads/canceltest' && 'ci-${{ github.sha }}' || 'ci-${{ github.ref }}'
   cancel-in-progress: true

From cef11a0bffee950daa71093deb223c78da0cabc1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=B3bert=20Papp=20=28TWiStErRob=29?=
 <papp.robert.s@gmail.com>
Date: Sat, 17 Jul 2021 10:57:55 +0100
Subject: [PATCH 6/9] Use expression wrapper and format2

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

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index d20b3f0ce..0185b9d48 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -4,7 +4,7 @@ on:
 concurrency:
   # Documentation suggests ${{ github.head_ref }}, but that's only available on pull_request/pull_request_target triggers, so using ${{ github.ref }}.1
   # On master, we want all builds to complete even if merging happens faster to make it easier to discover at which point something broke.
-  group: github.ref == 'refs/heads/canceltest' && 'ci-${{ github.sha }}' || 'ci-${{ github.ref }}'
+  group: ${{ github.ref == 'refs/heads/canceltest' && format('ci-master-{0}', github.sha) || format('ci-{0}', github.ref) }}
   cancel-in-progress: true
 jobs:
   build:

From 0106286c58232e3af9756d584cedee484d15d994 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=B3bert=20Papp=20=28TWiStErRob=29?=
 <papp.robert.s@gmail.com>
Date: Sat, 17 Jul 2021 11:14:28 +0100
Subject: [PATCH 7/9] Use expression wrapper and format2

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

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 0185b9d48..bc25cd494 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -2,7 +2,7 @@ name: CI # Check Gradle and AGP combinations
 on:
   push
 concurrency:
-  # Documentation suggests ${{ github.head_ref }}, but that's only available on pull_request/pull_request_target triggers, so using ${{ github.ref }}.1
+  # Documentation suggests ${{ github.head_ref }}, but that's only available on pull_request/pull_request_target triggers, so using ${{ github.ref }}.
   # On master, we want all builds to complete even if merging happens faster to make it easier to discover at which point something broke.
   group: ${{ github.ref == 'refs/heads/canceltest' && format('ci-master-{0}', github.sha) || format('ci-{0}', github.ref) }}
   cancel-in-progress: true

From e752932358b656f267e7edc50211b77ccf2e57da Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=B3bert=20Papp=20=28TWiStErRob=29?=
 <papp.robert.s@gmail.com>
Date: Sat, 17 Jul 2021 16:44:55 +0100
Subject: [PATCH 8/9] Final

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

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index bc25cd494..467156ce3 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -4,7 +4,7 @@ on:
 concurrency:
   # Documentation suggests ${{ github.head_ref }}, but that's only available on pull_request/pull_request_target triggers, so using ${{ github.ref }}.
   # On master, we want all builds to complete even if merging happens faster to make it easier to discover at which point something broke.
-  group: ${{ github.ref == 'refs/heads/canceltest' && format('ci-master-{0}', github.sha) || format('ci-{0}', github.ref) }}
+  group: ${{ github.ref == 'refs/heads/master' && format('ci-master-{0}', github.sha) || format('ci-{0}', github.ref) }}
   cancel-in-progress: true
 jobs:
   build:

From a8b8663c95e7e4a04299b5b8bc89bcc4c2248e12 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=B3bert=20Papp=20=28TWiStErRob=29?=
 <papp.robert.s@gmail.com>
Date: Sat, 17 Jul 2021 16:53:49 +0100
Subject: [PATCH 9/9] Comment

---
 .github/workflows/CI.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 467156ce3..4822f3ee5 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -4,6 +4,7 @@ on:
 concurrency:
   # Documentation suggests ${{ github.head_ref }}, but that's only available on pull_request/pull_request_target triggers, so using ${{ github.ref }}.
   # On master, we want all builds to complete even if merging happens faster to make it easier to discover at which point something broke.
+  # More info: https://stackoverflow.com/a/68422069/253468:
   group: ${{ github.ref == 'refs/heads/master' && format('ci-master-{0}', github.sha) || format('ci-{0}', github.ref) }}
   cancel-in-progress: true
 jobs: