feat(package-manager): Add initial support for Bazel

This starts the work on issue oss-review-toolkit#264.

Signed-off-by: Haiko Schol <hs@haikoschol.com>

Author: haikoschol

analyzer/src/funTest/kotlin/PackageManagerFunTest.kt

@@ -38,6 +38,7 @@ import org.ossreviewtoolkit.model.config.PathExcludeReason
 
 class PackageManagerFunTest : WordSpec({
     val definitionFiles = listOf(
+        "bazel/MODULE.bazel",
         "bower/bower.json",
         "bundler/Gemfile",
         "cargo/Cargo.toml",
@@ -93,6 +94,7 @@ class PackageManagerFunTest : WordSpec({
             val managedFilesByName = managedFiles.groupByName(projectDir)
 
             assertSoftly {
+                managedFilesByName["Bazel"] should containExactly("bazel/MODULE.bazel")
                 managedFilesByName["Bower"] should containExactly("bower/bower.json")
                 managedFilesByName["Bundler"] should containExactly("bundler/Gemfile")
                 managedFilesByName["Cargo"] should containExactly("cargo/Cargo.toml")

mlc_config.json

@@ -3,6 +3,9 @@
         {
             "pattern": "^#.*$"
         },
+        {
+            "pattern": "^https://bazel.build/$"
+        },
         {
             "pattern": "^https?://localhost.*$"
         },

plugins/package-managers/bazel/build.gradle.kts

@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2024 The ORT Project Authors (see <https://github.com/oss-review-toolkit/ort/blob/main/NOTICE>)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * License-Filename: LICENSE
+ */
+
+plugins {
+    // Apply precompiled plugins.
+    id("ort-library-conventions")
+
+    // Apply third-party plugins.
+    alias(libs.plugins.kotlinSerialization)
+}
+
+dependencies {
+    api(projects.analyzer)
+    api(projects.model)
+    api(projects.utils.commonUtils) {
+        because("This is a CommandLineTool.")
+    }
+
+    api(libs.semver4j) {
+        because("This is a CommandLineTool.")
+    }
+
+    implementation(projects.downloader)
+    implementation(projects.clients.bazelModuleRegistryClient)
+    implementation(projects.utils.ortUtils)
+    implementation(projects.utils.spdxUtils)
+
+    implementation(libs.bundles.kotlinxSerialization)
+    implementation(libs.kotlinx.coroutines)
+
+    funTestImplementation(testFixtures(projects.analyzer))
+}

plugins/package-managers/bazel/src/funTest/assets/fixtures/MODULE.bazel

@@ -0,0 +1,5 @@
+module(name="bazel-test-module", version="0.42.23", compatibility_level=0)
+
+bazel_dep(name = "glog", version = "0.5.0", repo_name = "com_github_google_glog")
+bazel_dep(name = "googletest", version = "1.14.0", repo_name = "com_google_googletest", dev_dependency = True)
+