Merge pull request #4057 from square/jw.dont-build-branches.2024-01-25

Don't build branches unless manually dispatched

Author: JakeWharton

.github/workflows/build.yml

@@ -1,6 +1,13 @@
 name: build
 
-on: [push, pull_request]
+on:
+  pull_request: {}
+  workflow_dispatch: {}
+  push:
+    branches:
+      - 'trunk'
+    tags-ignore:
+      - '**'
 
 env:
   GRADLE_OPTS: "-Dorg.gradle.jvmargs=-Xmx4g -Dorg.gradle.daemon=false -Dkotlin.incremental=false"
@@ -10,7 +17,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-
       - uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
@@ -42,7 +48,6 @@ jobs:
           ls /dev/kvm
 
       - uses: actions/checkout@v4
-
       - uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
@@ -63,7 +68,6 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-
       - uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
@@ -84,7 +88,6 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-
       - uses: actions/setup-java@v4
         with:
           distribution: 'zulu'