avoid duplicated workflow invocations for pushes in PRs made from root repository branches (#5377)

This will prevent duplicated workflows from being invoked for pushes
into pull requests made from branches in the root (`danmar`) repository
branches.

.github/workflows/CI-cygwin.yml

@@ -4,7 +4,14 @@
 
 name: CI-cygwin
 
-on: [push,pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read

.github/workflows/CI-mingw.yml

@@ -4,7 +4,14 @@
 
 name: CI-mingw
 
-on: [push,pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read

.github/workflows/CI-unixish-docker.yml

@@ -2,7 +2,14 @@
 # Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
 name: CI-unixish-docker
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read

.github/workflows/CI-unixish.yml

@@ -2,7 +2,14 @@
 # Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
 name: CI-unixish
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read

.github/workflows/CI-windows.yml

@@ -4,7 +4,14 @@
 
 name: CI-windows
 
-on: [push,pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read

.github/workflows/asan.yml

@@ -2,7 +2,14 @@
 # Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
 name: address sanitizer
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read

.github/workflows/buildman.yml

@@ -1,6 +1,13 @@
 name: Build manual
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read

.github/workflows/clang-tidy.yml

@@ -2,7 +2,14 @@
 # Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
 name: clang-tidy
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read

.github/workflows/codeql-analysis.yml

@@ -1,6 +1,13 @@
 name: "CodeQL"
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read

.github/workflows/coverage.yml

@@ -2,7 +2,14 @@
 # Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
 name: Coverage
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read

.github/workflows/format.yml

@@ -2,7 +2,14 @@
 # Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
 name: format
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read

.github/workflows/scriptcheck.yml

@@ -2,7 +2,14 @@
 # Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
 name: scriptcheck
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read

.github/workflows/selfcheck.yml

@@ -2,7 +2,14 @@
 # Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
 name: selfcheck
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read

.github/workflows/tsan.yml

@@ -2,7 +2,14 @@
 # Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
 name: thread sanitizer
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read

.github/workflows/ubsan.yml

@@ -2,7 +2,14 @@
 # Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
 name: undefined behaviour sanitizers
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read

.github/workflows/valgrind.yml

@@ -2,7 +2,14 @@
 # Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
 name: valgrind
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'releases/**'
+    tags:
+      - '2.*'
+  pull_request:
 
 permissions:
   contents: read