Have to inline it as can't use env vars in other env vars.

.github/workflows/build.yml

@@ -10,24 +10,18 @@ env:
   CI_GRADLE_ARG_PROPERTIES: >
     -Porg.gradle.jvmargs=-Xmx2g
     -Porg.gradle.parallel=false
-  CI_GROUP_SUFFIX: >
-    ${{
-    github.ref == 'refs/heads/main' && format('main-{0}', github.sha) ||
-    github.ref == 'refs/heads/develop' && format('develop-{0}', github.sha) ||
-    github.ref
-    }}
 jobs:
   debug:
     name: Build debug APKs (${{ matrix.target }})
     runs-on: ubuntu-latest
-    concurrency:
-      group: ${{ format('build-debug-{0}-{1}', matrix.target, env.CI_GROUP_SUFFIX) }}
-      cancel-in-progress: true
     if: github.ref != 'refs/heads/main'
     strategy:
       fail-fast: false
       matrix:
         target: [ Gplay, Fdroid ]
+    concurrency:
+      group: ${{ github.ref == 'refs/heads/develop' && format('integration-tests-develop-{0}-{1}', matrix.target, github.sha) || format('build-debug-{0}-{1}', matrix.target, github.ref)  }}
+      cancel-in-progress: true
     steps:
       - uses: actions/checkout@v2
       - uses: actions/cache@v2
@@ -50,9 +44,6 @@ jobs:
   release:
     name: Build unsigned GPlay APKs
     runs-on: ubuntu-latest
-    concurrency:
-      group: ${{ format('build-release-{0}-{1}', matrix.target, env.CI_GROUP_SUFFIX) }}
-      cancel-in-progress: true
     if: github.ref == 'refs/heads/main'
     steps:
       - uses: actions/checkout@v2

.github/workflows/integration_tests.yml

@@ -10,19 +10,13 @@ env:
   CI_GRADLE_ARG_PROPERTIES: >
     -Porg.gradle.jvmargs=-Xmx2g
     -Porg.gradle.parallel=false
-  CI_GROUP_SUFFIX: >
-    ${{
-    github.ref == 'refs/heads/main' && format('main-{0}', github.sha) ||
-    github.ref == 'refs/heads/develop' && format('develop-{0}', github.sha) ||
-    github.ref
-    }}
 jobs:
   # Build Android Tests [Matrix SDK]
   build-android-test-matrix-sdk:
     name: Matrix SDK - Build Android Tests
     runs-on: ubuntu-latest
     concurrency:
-      group: ${{ format('test-matrix-sdk-{0}', env.CI_GROUP_SUFFIX) }}
+      group: ${{ github.ref == 'refs/heads/main' && format('test-matrix-sdk-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('test-matrix-sdk-develop-{0}', github.sha) || format('test-matrix-sdk-{0}', github.ref) }}
       cancel-in-progress: true
     steps:
       - uses: actions/checkout@v2
@@ -42,7 +36,7 @@ jobs:
     name: App - Build Android Tests
     runs-on: ubuntu-latest
     concurrency:
-      group: ${{ format('test-app-{0}', env.CI_GROUP_SUFFIX) }}
+      group: ${{ github.ref == 'refs/heads/main' && format('test-app-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('test-app-develop-{0}', github.sha) || format('test-app-{0}', github.ref) }}
       cancel-in-progress: true
     steps:
       - uses: actions/checkout@v2
@@ -62,7 +56,7 @@ jobs:
     name: Matrix SDK - Running Integration Tests
     runs-on: ubuntu-latest
     concurrency:
-      group: ${{ format('integration-tests-{0}', env.CI_GROUP_SUFFIX) }}
+      group: ${{ github.ref == 'refs/heads/main' && format('integration-tests-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('integration-tests-develop-{0}', github.sha) || format('integration-tests-{0}', github.ref) }}
       cancel-in-progress: true
     strategy:
       fail-fast: false

.github/workflows/quality.yml

@@ -5,14 +5,6 @@ on:
   push:
     branches: [ main, develop ]
 
-env:
-  CI_GROUP_SUFFIX: >
-    ${{
-    github.ref == 'refs/heads/main' && format('main-{0}', github.sha) ||
-    github.ref == 'refs/heads/develop' && format('develop-{0}', github.sha) ||
-    github.ref
-    }}
-
 jobs:
   check:
     name: Project Check Suite
@@ -27,7 +19,7 @@ jobs:
     name: Kotlin Linter
     runs-on: ubuntu-latest
     concurrency:
-      group: ${{ format('klint-{0}', env.CI_GROUP_SUFFIX) }}
+      group: ${{ github.ref == 'refs/heads/main' && format('klint-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('klint-develop-{0}', github.sha) || format('klint-{0}', github.ref) }}
       cancel-in-progress: true
     steps:
       - uses: actions/checkout@v2
@@ -99,7 +91,7 @@ jobs:
     name: Android Linter
     runs-on: ubuntu-latest
     concurrency:
-      group: ${{ format('android-lint-{0}', env.CI_GROUP_SUFFIX) }}
+      group: ${{ github.ref == 'refs/heads/main' && format('android-lint-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('android-lint-develop-{0}', github.sha) || format('android-lint-{0}', github.ref) }}
       cancel-in-progress: true
     steps:
       - uses: actions/checkout@v2
@@ -125,14 +117,14 @@ jobs:
   apk-lint:
     name: Lint APK (${{ matrix.target }})
     runs-on: ubuntu-latest
-    concurrency:
-      group: ${{ format('apk-lint-{0}', env.CI_GROUP_SUFFIX) }}
-      cancel-in-progress: true
     if: github.ref != 'refs/heads/main'
     strategy:
       fail-fast: false
       matrix:
         target: [ Gplay, Fdroid ]
+    concurrency:
+      group: ${{ github.ref == 'refs/heads/develop' && format('apk-lint-develop-{0}', github.sha) || format('apk-lint-{0}', github.ref) }}
+      cancel-in-progress: true
     steps:
       - uses: actions/checkout@v2
       - uses: actions/cache@v2

.github/workflows/tests.yml

@@ -10,18 +10,12 @@ env:
   CI_GRADLE_ARG_PROPERTIES: >
     -Porg.gradle.jvmargs=-Xmx2g
     -Porg.gradle.parallel=false
-  CI_GROUP_SUFFIX: >
-    ${{
-    github.ref == 'refs/heads/main' && format('main-{0}', github.sha) ||
-    github.ref == 'refs/heads/develop' && format('develop-{0}', github.sha) ||
-    github.ref
-    }}
 jobs:
   unit-tests:
     name: Run Unit Tests
     runs-on: ubuntu-latest
     concurrency:
-      group: ${{ format('unit-tests-{0}', env.CI_GROUP_SUFFIX) }}
+      group: ${{ github.ref == 'refs/heads/main' && format('unit-test-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('unit-test-develop-{0}', github.sha) || format('unit-test-{0}', github.ref) }}
       cancel-in-progress: true
     steps:
       - uses: actions/checkout@v2