Create executable jar

jzbrooks · Sep 28, 2020 · f72855d · f72855d
1 parent df91a9d
commit f72855d
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Showing 2 changed files with 24 additions and 5 deletions.
diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
@@ -34,10 +34,10 @@ jobs:
       with:
         name: integration_test_results
         path: vgo/build/reports/tests/integrationTest
-    - name: optimize
-      run: ./gradlew optimize
+    - name: release binary
+      run: ./gradlew binary
     - name: archive vgo
       uses: actions/upload-artifact@v1
       with:
-        name: vgo.jar
-        path: vgo/build/libs/vgo.jar
+        name: vgo
+        path: vgo/build/libs/vgo
diff --git a/vgo/build.gradle.kts b/vgo/build.gradle.kts
@@ -4,7 +4,7 @@ import java.io.FileInputStream
 import java.io.PrintWriter
 import java.nio.file.Files
 import java.nio.file.Paths
-import java.util.*
+import java.util.Properties
 
 plugins {
     id("org.jetbrains.kotlin.jvm")
@@ -93,10 +93,14 @@ tasks {
         from(configurations.runtimeClasspath.get().filter { it.isFile }.map(::zipTree))
     }
 
+    val optimizedJar = file("$buildDir/libs/vgo.jar")
     val optimize by registering(JavaExec::class) {
         description = "Runs proguard on the jar application."
         group = "build"
 
+        inputs.file("$buildDir/libs/debug/vgo.jar")
+        outputs.file(optimizedJar)
+
         val javaHome = System.getenv("JAVA_HOME") ?: javaInstalls
                 .installationForCurrentVirtualMachine.get()
                 .installationDirectory.toString()
@@ -114,6 +118,21 @@ tasks {
         dependsOn(getByName("jar"))
     }
 
+    val binaryFile = file("$buildDir/libs/vgo")
+    val binary by registering {
+        dependsOn(optimize)
+        inputs.file(optimizedJar)
+        outputs.file(binaryFile)
+
+        doLast {
+            binaryFile.parentFile.mkdirs()
+            binaryFile.delete()
+            binaryFile.appendText("#!/bin/sh\n\nexec java \$JAVA_OPTS -jar \$0 \"\$@\"\n\n")
+            optimizedJar.inputStream().use { binaryFile.appendBytes(it.readBytes()) }
+            binaryFile.setExecutable(true, false)
+        }
+    }
+
     val integrationTest by registering(Test::class) {
         description = "Runs the integration tests."
         group = "verification"