Fix export on linux platform

Author: dwursteisen

.github/workflows/build.yml

@@ -107,11 +107,17 @@ jobs:
         run: |
           tiny-cli-${{github.ref_name}}/bin/tiny-cli export tiny-sample -p desktop --include-jdk -o exported-game-jdk
           test -d exported-game-jdk
+          if [ "$(uname -s)" = "Linux" ]; then
+            ls exported-game-jdk/*.deb
+          elif [ "$(uname -s)" = "Darwin" ]; then
+            ls exported-game-jdk/*.dmg
+          fi
       - name: Test desktop export with JDK (Windows)
         if: runner.os == 'Windows'
         run: |
           tiny-cli-${{github.ref_name}}\bin\tiny-cli.bat export tiny-sample -p desktop --include-jdk -o exported-game-jdk
           if (-Not (Test-Path exported-game-jdk)) { exit 1 }
+          if (-Not (Get-ChildItem exported-game-jdk\*.exe)) { exit 1 }
 
 env:
   GRADLE_OPTS: -Dorg.gradle.configureondemand=true -Dorg.gradle.parallel=true -Dkotlin.incremental=false -Dorg.gradle.jvmargs="-Xmx3g -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8"

Makefile

@@ -31,3 +31,17 @@ sfx:
 
 sample:
 	./gradlew :tiny-cli:run --args="run ." -Ptiny.workDir=tiny-sample
+
+test-linux-export:
+	./gradlew assembleDist -Pversion=DEV-SNAPSHOT
+	docker run --rm \
+		-v "$(PWD)/tiny-cli/build/distributions:/dist" \
+		-v "$(PWD)/tiny-sample:/tiny-sample" \
+		eclipse-temurin:17-jdk-jammy \
+		bash -c '\
+			apt-get update && apt-get install -y --no-install-recommends fakeroot binutils unzip && \
+			cd /tmp && \
+			unzip /dist/tiny-cli-DEV-SNAPSHOT.zip && \
+			tiny-cli-DEV-SNAPSHOT/bin/tiny-cli export /tiny-sample -p desktop --include-jdk -o /tmp/exported-game-jdk && \
+			ls /tmp/exported-game-jdk/*.deb \
+		'

tiny-cli/src/main/kotlin/com/github/minigdx/tiny/cli/command/ExportCommand.kt

@@ -1,5 +1,6 @@
 package com.github.minigdx.tiny.cli.command
 
+import com.github.ajalt.clikt.core.Abort
 import com.github.ajalt.clikt.core.CliktCommand
 import com.github.ajalt.clikt.core.Context
 import com.github.ajalt.clikt.parameters.arguments.argument
@@ -96,7 +97,7 @@ class ExportCommand : CliktCommand(name = "export") {
         if (includeJdk && !isJpackageAvailable()) {
             echo("\uD83D\uDE31 jpackage is not available. Please use Java 14 or later with jpackage support.")
             echo("\uD83D\uDCA1 Alternatively, use --exclude-jdk to create a portable JAR launcher.")
-            return
+            throw Abort()
         }
 
         val targetPlatform = when (desktopPlatform) {
@@ -305,6 +306,7 @@ class ExportCommand : CliktCommand(name = "export") {
 
         if (exitCode != 0) {
             echo("\uD83D\uDE31 jpackage failed with exit code $exitCode")
+            throw Abort()
         }
 
         if (!debug) {
@@ -342,7 +344,7 @@ class ExportCommand : CliktCommand(name = "export") {
             echo("\uD83D\uDE31 Could not find tiny-cli JAR.")
             echo("\uD83D\uDCA1 The CLI must be installed before using export-desktop.")
             echo("\uD83D\uDCA1 Run 'make install' to install the CLI.")
-            return
+            throw Abort()
         }
 
         Files.copy(cliJar.toPath(), outputJar.toPath(), StandardCopyOption.REPLACE_EXISTING)
@@ -499,7 +501,7 @@ class ExportCommand : CliktCommand(name = "export") {
         return when (platform) {
             "windows" -> "exe"
             "mac" -> "dmg"
-            "linux" -> "pkg"
+            "linux" -> "deb"
             else -> "app-image"
         }
     }