From a9bfb00bfbf3d4446f85cbd1ee8c571140e8080b Mon Sep 17 00:00:00 2001
From: Eliezer Graber <me@eygraber.com>
Date: Sun, 31 Jul 2022 12:13:43 -0400
Subject: [PATCH] Create a plugin to add a github packages repo in settings
 (#2)

---
 utils-base/build.gradle.kts                   |  9 ++
 .../GitHubPackagesRepositoryPlugin.kt         | 85 +++++++++++++++++++
 2 files changed, 94 insertions(+)
 create mode 100644 utils-base/src/main/kotlin/com/eygraber/gradle/settings/GitHubPackagesRepositoryPlugin.kt

diff --git a/utils-base/build.gradle.kts b/utils-base/build.gradle.kts
index ffd68e6..17c4dab 100644
--- a/utils-base/build.gradle.kts
+++ b/utils-base/build.gradle.kts
@@ -6,6 +6,15 @@ plugins {
   id("com.eygraber.publish")
 }
 
+gradlePlugin {
+  plugins {
+    create("githubPackagesRepository") {
+      id = "com.eygraber.github.packages.repository"
+      implementationClass = "com.eygraber.gradle.settings.GitHubPackagesRepositoryPlugin"
+    }
+  }
+}
+
 dependencies {
   implementation(libs.buildscript.ejson)
   implementation(libs.kotlinx.serialization.json)
diff --git a/utils-base/src/main/kotlin/com/eygraber/gradle/settings/GitHubPackagesRepositoryPlugin.kt b/utils-base/src/main/kotlin/com/eygraber/gradle/settings/GitHubPackagesRepositoryPlugin.kt
new file mode 100644
index 0000000..ed1a90c
--- /dev/null
+++ b/utils-base/src/main/kotlin/com/eygraber/gradle/settings/GitHubPackagesRepositoryPlugin.kt
@@ -0,0 +1,85 @@
+package com.eygraber.gradle.settings
+
+import com.eygraber.gradle.repositories.gitHubPackages
+import org.gradle.api.Action
+import org.gradle.api.Plugin
+import org.gradle.api.artifacts.dsl.RepositoryHandler
+import org.gradle.api.artifacts.repositories.MavenArtifactRepository
+import org.gradle.api.initialization.Settings
+import org.gradle.internal.Actions
+import org.gradle.kotlin.dsl.getByName
+import java.io.File
+
+public abstract class GitHubPackagesRepositoryPlugin : Plugin<Settings> {
+  public abstract class Extension {
+    public fun Settings.addTo(
+      pluginManagement: Boolean,
+      dependencyResolutionManagement: Boolean,
+      owner: String,
+      repo: String,
+      username: String,
+      password: String,
+      action: Action<MavenArtifactRepository> = Actions.doNothing()
+    ) {
+      ArrayList<RepositoryHandler>(2).apply {
+        if(pluginManagement) add(settings.pluginManagement.repositories)
+
+        @Suppress("UnstableApiUsage")
+        if(dependencyResolutionManagement) add(settings.dependencyResolutionManagement.repositories)
+      }.forEach { handler ->
+        handler.gitHubPackages(
+          owner = owner,
+          repo = repo,
+          username = username,
+          password = password,
+          action = action
+        )
+      }
+    }
+
+    public fun Settings.addTo(
+      pluginManagement: Boolean,
+      dependencyResolutionManagement: Boolean,
+      owner: String,
+      repo: String,
+      username: String,
+      ejsonSecretsFile: File,
+      ejsonJsonKey: String = "github_packages_pat",
+      ejsonPrivateKey: String? = null,
+      ejsonPrivateKeyEnvVar: String = "EJSON_PRIVATE_KEY",
+      action: Action<MavenArtifactRepository> = Actions.doNothing()
+    ) {
+      ArrayList<RepositoryHandler>(2).apply {
+        if(pluginManagement) add(settings.pluginManagement.repositories)
+
+        @Suppress("UnstableApiUsage")
+        if(dependencyResolutionManagement) add(settings.dependencyResolutionManagement.repositories)
+      }.forEach { handler ->
+        handler.gitHubPackages(
+          owner = owner,
+          repo = repo,
+          username = username,
+          ejsonSecretsFile = ejsonSecretsFile,
+          ejsonJsonKey = ejsonJsonKey,
+          ejsonPrivateKey = ejsonPrivateKey,
+          ejsonPrivateKeyEnvVar = ejsonPrivateKeyEnvVar,
+          action = action
+        )
+      }
+    }
+  }
+
+  override fun apply(target: Settings) {
+    target.extensions.create("gitHubPackagesRepository", Extension::class.java)
+  }
+}
+
+public fun Settings.gitHubPackagesRepository(
+  action: Action<GitHubPackagesRepositoryPlugin.Extension>
+) {
+  action.execute(
+    extensions.getByName<GitHubPackagesRepositoryPlugin.Extension>(
+      "gitHubPackagesRepository"
+    )
+  )
+}