CI: Only run the CI on pull requests, and on the "main" branch

Previously, the actions were duplicated, due to the fact when developing
we often create feature branches and open pull requests.

This new setup requires us to open pull requests to trigger the CI.

.github/workflows/build.yml

@@ -1,6 +1,10 @@
 name: Build dev environments
 on:
+  pull_request:
   push:
+    branches:
+      - main
+      - "test/**"
   schedule:
     - cron: "0 0 * * *" # Run every day at 00:00 UTC.
 

.github/workflows/check_push.yml

@@ -1,6 +1,6 @@
 name: Check branch conformity
 on:
-  push:
+  pull_request:
 
 jobs:
   prevent-fixup-commits:

.github/workflows/ci.yml

@@ -1,8 +1,10 @@
 name: Tests
 on:
-  push:
   pull_request:
-    branches: [main]
+  push:
+    branches:
+      - main
+      - "test/**"
   schedule:
     - cron: "2 0 * * *" # Run every day at 02:00 UTC.
   workflow_dispatch:
@@ -91,7 +93,8 @@ jobs:
 
   windows:
     runs-on: windows-latest
-    needs: download-tessdata
+    needs:
+      - download-tessdata
     env:
       DUMMY_CONVERSION: 1
     steps:
@@ -121,7 +124,8 @@ jobs:
   macOS:
     name: "macOS (${{ matrix.arch }})"
     runs-on: ${{ matrix.runner }}
-    needs: download-tessdata
+    needs:
+      - download-tessdata
     strategy:
       matrix:
         include:
@@ -149,9 +153,10 @@ jobs:
         run: poetry run make test
 
   build-deb:
+    needs:
+      - build-container-image
     name: "build-deb (${{ matrix.distro }} ${{ matrix.version }})"
     runs-on: ubuntu-latest
-    needs: build-container-image
     strategy:
       matrix:
         include:
@@ -221,7 +226,8 @@ jobs:
   install-deb:
     name: "install-deb (${{ matrix.distro }} ${{ matrix.version }})"
     runs-on: ubuntu-latest
-    needs: build-deb
+    needs: 
+      - build-deb
     strategy:
       matrix:
         include:
@@ -277,7 +283,8 @@ jobs:
   build-install-rpm:
     name: "build-install-rpm (${{ matrix.distro }} ${{matrix.version}})"
     runs-on: ubuntu-latest
-    needs: build-container-image
+    needs:
+      - build-container-image
     strategy:
       matrix:
         distro: ["fedora"]

.github/workflows/scan.yml

@@ -1,8 +1,9 @@
 name: Scan latest app and container
 on:
   push:
+    branches:
+      - main
   pull_request:
-    branches: [ main ]
   schedule:
     - cron: '0 0 * * *' # Run every day at 00:00 UTC.
   workflow_dispatch: