kotlin-native - A Plugin for Snapcraft

Snaps are very useful for CLI applications, and Kotlin Native is a great platform for Kotlin CLI applications. However, trying to get Snapcraft to successfully Snap your Kotlin Native application is pain and agony. The Gradle plugin expects a jar, which Kotlin Native does not provide. Other plugins require another build system, which isn't fun when you already have Gradle.

So, enter this simple plugin. It simply runs ./gradlew linkReleaseExecutableNative, copies the resulting artifact into the part's install directory, and removes the unnecessary .kexe extension from the output.

Usage

1. Ensure you have a snap directory in your project root and a snapcraft.yaml inside that.
2. Create a plugins directory inside the snap directory.
3. Place kotlin_native.py into this plugins directory.

Here is a sample snapcraft.yaml that uses this plugin:

name: my-snap
version: '0.1.0'
source-code: https://github.com/Stephen-Hamilton-C/snapcraft-kotlin-native
license: GPL-3.0
summary: Simple Snapcraft plugin for Kotlin Native
description: |
  Makes it easy to Snap your Kotlin Native applications.
base: core18
apps:
  my-snap:
    command: $SNAP/my-snap
parts:
  my-snap:
    plugin: kotlin-native
    source: ../
    build-packages:
      - default-jre-headless

Replace my-snap with your app name.
Also, yes, the plugin: field is kotlin-native and not kotlin_native, despite the file name.