Clojure Buildpack

.gitmodules

@@ -13,3 +13,7 @@
 [submodule "buildpacks/gradle/test-apps/heroku-gradle-getting-started"]
 	path = buildpacks/gradle/test-apps/heroku-gradle-getting-started
 	url = https://github.com/heroku/gradle-getting-started.git
+
+[submodule "buildpacks/leiningen/test-apps/heroku-clojure-getting-started"]
+	path = buildpacks/leiningen/test-apps/heroku-clojure-getting-started
+	url = https://github.com/heroku/clojure-getting-started.git

Cargo.toml

@@ -5,6 +5,7 @@ members = [
     "buildpacks/gradle",
     "buildpacks/jvm",
     "buildpacks/jvm-function-invoker",
+    "buildpacks/leiningen",
     "buildpacks/maven",
     "buildpacks/sbt",
     "shared",

buildpacks/leiningen/CHANGELOG.md

@@ -0,0 +1,10 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+* Initial release

buildpacks/leiningen/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "leiningen"
+version.workspace = true
+rust-version.workspace = true
+edition.workspace = true
+publish.workspace = true
+
+[dependencies]
+libcnb.workspace = true
+libherokubuildpack.workspace = true
+indoc = "2"
+java-properties = "2"
+serde = { version = "1", features = ["derive"] }
+tempfile = "3"
+thiserror = "1"
+semver = { version = "1", features = ["serde"] }
+shell-words = "1"
+buildpacks-jvm-shared.workspace = true
+
+[dev-dependencies]
+libcnb-test.workspace = true
+buildpacks-jvm-shared-test.workspace = true
+ureq = "2"

buildpacks/leiningen/README.md

@@ -0,0 +1,20 @@
+# Heroku Cloud Native Leiningen Buildpack
+[![CI](https://github.com/heroku/buildpacks-jvm/actions/workflows/ci.yml/badge.svg)](https://github.com/heroku/buildpacks-jvm/actions/workflows/ci.yml)
+
+Heroku's official Cloud Native Buildpack for [Leiningen](https://leiningen.org/) usage in [Clojure](https://clojure.org/) applications.
+
+## Build Plan
+
+### Requires
+
+* `jdk`: To compile Java sources a JDK is required. It can be provided by the `heroku/jvm` ([Source](/buildpacks/jvm),
+[Readme](/buildpacks/jvm/README.md)) buildpack.
+* `jvm-application`: This is not a strict requirement of the buildpack. Requiring `jvm-application` ensures that this
+buildpack can be used even when no other buildpack requires `jvm-application`.
+
+### Provides
+
+* `jvm-application`: Allows other buildpacks to depend on a compiled JVM application.
+
+## License
+See [LICENSE](../../LICENSE) file.

buildpacks/leiningen/buildpack.toml

@@ -0,0 +1,21 @@
+api = "0.9"
+
+[buildpack]
+id = "heroku/leiningen"
+version = "3.2.0"
+name = "Leiningen"
+clear-env = true
+homepage = "https://github.com/heroku/buildpacks-jvm"
+description = "Official Heroku buildpack for leiningen applications."
+keywords = ["java", "clojure", "leiningen"]
+
+[[buildpack.licenses]]
+type = "BSD-3-Clause"
+
+[[stacks]]
+id = "*"
+
+[metadata]
+[metadata.release]
+[metadata.release.image]
+repository = "docker.io/heroku/buildpack-leiningen"