Parallelize PR build workflow

.github/workflows/build_pull_request.yml

@@ -14,11 +14,14 @@ jobs:
       - name: Validate Gradle Wrapper
         uses: gradle/wrapper-validation-action@v1
 
-  build:
+  build_multisrc:
-    name: Build extension repo
+    name: Build multisrc modules
     needs: check_wrapper
     if: "!startsWith(github.event.head_commit.message, '[SKIP CI]')"
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        lang: [all, ar, ca, de, en, es, fr, id, it, ja, ko, pt, ru, th, tr, vi, zh]
     steps:
       - name: Checkout PR
         uses: actions/checkout@v2
@@ -35,16 +38,54 @@ jobs:
 
       - name: Generate sources from the multi-source library
         uses: eskatos/gradle-command-action@v1
+        env:
+          CI_MULTISRC: "true"
         with:
           arguments: :multisrc:multisrcGenerators
           wrapper-cache-enabled: true
           dependencies-cache-enabled: true
           configuration-cache-enabled: true
 
-      - name: Build extensions
+      - name: Build "${{ matrix.lang }}" extensions
         uses: eskatos/gradle-command-action@v1
+        env:
+          CI_MULTISRC: "true"
+          CI_MATRIX_LANG: ${{ matrix.lang }}
         with:
           arguments: assembleRelease
           wrapper-cache-enabled: true
           dependencies-cache-enabled: true
           configuration-cache-enabled: true
+
+  build_individual:
+    name: Build individual modules
+    needs: check_wrapper
+    if: "!startsWith(github.event.head_commit.message, '[SKIP CI]')"
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        lang: [all, ar, ca, de, en, es, fr, id, it, ja, ko, pt, ru, th, tr, vi, zh]
+    steps:
+      - name: Checkout PR
+        uses: actions/checkout@v2
+
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+
+      - name: Copy CI gradle.properties
+        run: |
+          mkdir -p ~/.gradle
+          cp .github/runner-files/ci-gradle.properties ~/.gradle/gradle.properties
+
+      - name: Build "${{ matrix.lang }}" extensions
+        uses: eskatos/gradle-command-action@v1
+        env:
+          CI_MULTISRC: "false"
+          CI_MATRIX_LANG: ${{ matrix.lang }}
+        with:
+          arguments: assembleRelease
+          wrapper-cache-enabled: true
+          dependencies-cache-enabled: true
+          configuration-cache-enabled: true

settings.gradle.kts

@@ -10,34 +10,70 @@ project(":duktape-stub").projectDir = File("lib/duktape-stub")
 include(":lib-dataimage")
 project(":lib-dataimage").projectDir = File("lib/dataimage")
 
-include(":multisrc")
+if (System.getenv("CI") == null) {
-project(":multisrc").projectDir = File("multisrc")
+    // Local development
 
-// Loads all extensions
+    include(":multisrc")
-File(rootDir, "src").eachDir { dir ->
+    project(":multisrc").projectDir = File("multisrc")
-    dir.eachDir { subdir ->
+
-        val name = ":individual:${dir.name}:${subdir.name}"
+    // Loads all extensions
-        include(name)
+    File(rootDir, "src").eachDir { dir ->
-        project(name).projectDir = File("src/${dir.name}/${subdir.name}")
+        dir.eachDir { subdir ->
+            val name = ":individual:${dir.name}:${subdir.name}"
+            include(name)
+            project(name).projectDir = File("src/${dir.name}/${subdir.name}")
+        }
+    }
+    // Loads generated extensions from multisrc
+    File(rootDir, "generated-src").eachDir { dir ->
+        dir.eachDir { subdir ->
+            val name = ":theme:${dir.name}:${subdir.name}"
+            include(name)
+            project(name).projectDir = File("generated-src/${dir.name}/${subdir.name}")
+        }
+    }
+
+    /**
+     * If you're developing locally and only want to work with a single module,
+     * comment out the parts above and uncomment below.
+     */
+    // val lang = "all"
+    // val name = "mmrcms"
+    // include(":${lang}-${name}")
+    // project(":${lang}-${name}").projectDir = File("src/${lang}/${name}")
+} else {
+    // Running in CI (GitHub Actions)
+
+    val isMultisrc = System.getenv("CI_MULTISRC") == "true"
+    val lang = System.getenv("CI_MATRIX_LANG")
+
+    if (isMultisrc) {
+        include(":multisrc")
+        project(":multisrc").projectDir = File("multisrc")
+
+        // Loads generated extensions from multisrc
+        File(rootDir, "generated-src").eachDir { dir ->
+            if (dir.name == lang) {
+                dir.eachDir { subdir ->
+                    val name = ":theme:${dir.name}:${subdir.name}"
+                    include(name)
+                    project(name).projectDir = File("generated-src/${dir.name}/${subdir.name}")
+                }
+            }
+        }
+    } else {
+        // Loads all extensions
+        File(rootDir, "src").eachDir { dir ->
+            if (dir.name == lang) {
+                dir.eachDir { subdir ->
+                    val name = ":individual:${dir.name}:${subdir.name}"
+                    include(name)
+                    project(name).projectDir = File("src/${dir.name}/${subdir.name}")
+                }
+            }
+        }
     }
 }
-// Loads generated extensions from multisrc
-File(rootDir, "generated-src").eachDir { dir ->
-    dir.eachDir { subdir ->
-        val name = ":theme:${dir.name}:${subdir.name}"
-        include(name)
-        project(name).projectDir = File("generated-src/${dir.name}/${subdir.name}")
-    }
-}
-
-/**
- * If you're developing locally and only want to work with a single module,
- * comment out the parts above and uncomment below.
- */
-// val lang = "all"
-// val name = "mmrcms"
-// include(":${lang}-${name}")
-// project(":${lang}-${name}").projectDir = File("src/${lang}/${name}")
 
 inline fun File.eachDir(block: (File) -> Unit) {
     listFiles()?.filter { it.isDirectory }?.forEach { block(it) }