feat: working bzlmod support

MODULE.bazel

@@ -135,3 +135,16 @@ use_repo(
  "maven_gvm",
  "unpinned_maven_gvm",
 )
+
+gvm = use_extension(":extensions.bzl", "graalvm")
+
+gvm.graalvm(
+ name = "graalvm",
+ version = "20.0.2",
+ distribution = "oracle",
+ java_version = "20",
+)
+use_repo(
+ gvm,
+ "graalvm",
+)

README.md

@@ -31,7 +31,7 @@ load("@rules_graalvm//graalvm:repositories.bzl", "graalvm_repository")
 
 graalvm_repository(
  name = "graalvm", # anything you want
- version = "20.0.1", # exact version of a GraalVM CE or Oracle GVM release
+ version = "20.0.2", # exact version of a GraalVM CE or Oracle GVM release
  distribution = "oracle", # required for newer GVM releases (`oracle`, `ce`, or `community`)
  java_version = "20", # java language version to use/declare
 )

example/bzlmod/.bazelversion

@@ -0,0 +1 @@
+7.0.0-pre.20230724.1

example/bzlmod/MODULE.bazel

@@ -19,3 +19,16 @@ local_path_override(
  module_name = "rules_graalvm",
  path = "../..",
 )
+
+gvm = use_extension("@rules_graalvm//:extensions.bzl", "graalvm")
+
+gvm.graalvm(
+ name = "graalvm",
+ version = "20.0.2",
+ distribution = "oracle",
+ java_version = "20",
+)
+use_repo(
+ gvm,
+ "graalvm",
+)

extensions.bzl

@@ -0,0 +1,55 @@
+"Defines extensions for use with Bzlmod."
+
+load(
+ "//graalvm:repositories.bzl",
+ "graalvm_repository",
+)
+
+def _gvm_impl(mctx):
+ """Implementation of the GraalVM module extension."""
+
+ selected = None
+ all_components = []
+ for mod in mctx.modules:
+ for gvm in mod.tags.graalvm:
+ selected = gvm
+ if len(gvm.components) > 0:
+ all_components += [i for i in gvm.components if not i in all_components]
+ for extra_component in mod.tags.component:
+ if extra_component.name not in all_components:
+ all_components.append(extra_component.name)
+
+ graalvm_repository(
+ name = selected.name,
+ version = selected.version,
+ java_version = selected.java_version,
+ distribution = selected.distribution,
+ toolchain_prefix = selected.toolchain_prefix,
+ components = all_components,
+ setup_actions = selected.setup_actions,
+ sha256 = selected.sha256,
+ )
+
+
+_graalvm = tag_class(attrs = {
+ "name": attr.string(mandatory = True),
+ "version": attr.string(mandatory = True),
+ "java_version": attr.string(mandatory = True),
+ "distribution": attr.string(mandatory = False),
+ "toolchain_prefix": attr.string(mandatory = False),
+ "components": attr.string_list(mandatory = False),
+ "setup_actions": attr.string_list(mandatory = False),
+ "sha256": attr.string(mandatory = False),
+})
+
+_component = tag_class(attrs = {
+ "name": attr.string(mandatory = True),
+})
+
+graalvm = module_extension(
+ implementation = _gvm_impl,
+ tag_classes = {
+ "graalvm": _graalvm,
+ "component": _component,
+ },
+)

graalvm/nativeimage/rules.bzl

@@ -134,7 +134,7 @@ native_image = rule(
  "native_features": attr.string_list(),
  "graalvm": attr.label(
  cfg = "exec",
- default = "@graalvm//:bin/native-image",
+ default = Label("@graalvm//:bin/native-image"),
  allow_files = True,
  executable = True,
  ),

graalvm/toolchain/BUILD.bazel

@@ -1,5 +1,7 @@
 "Defines toolchain types for GraalVM."
 
+package(default_visibility = ["//visibility:public"])
+
 # Toolchain type: `graalvm`
 #
 # Describes a regular GraalVM toolchain; this type is satisfied by either GraalVM Community Edition