add signing plugin to publishing task

3 files changed, 26 insertions, 0 deletions

diff --git a/api/build.gradle.kts b/api/build.gradle.kts
index a084c788..4ce78f1a 100644
--- a/api/build.gradle.kts
+++ b/api/build.gradle.kts
@@ -2,6 +2,9 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 description = "Kotlin Symbol Processing API"
 
+val signingKey: String? by project
+val signingPassword: String? by project
+
 tasks.withType<KotlinCompile> {
     kotlinOptions.freeCompilerArgs += "-Xjvm-default=compatibility"
 }
@@ -9,6 +12,7 @@ tasks.withType<KotlinCompile> {
 plugins {
     kotlin("jvm")
     `maven-publish`
+    signing
     id("org.jetbrains.dokka") version ("1.4.32")
 }
 
@@ -39,3 +43,8 @@ publishing {
         }
     }
 }
+
+signing {
+    isRequired = hasProperty("signingKey") && !gradle.taskGraph.hasTask("publishToMavenLocal")
+    sign(publishing.publications.findByName("default"))
+}
diff --git a/gradle-plugin/build.gradle.kts b/gradle-plugin/build.gradle.kts
index ae720c91..17ef3693 100644
--- a/gradle-plugin/build.gradle.kts
+++ b/gradle-plugin/build.gradle.kts
@@ -6,6 +6,8 @@ val kotlinBaseVersion: String by project
 val junitVersion: String by project
 val googleTruthVersion: String by project
 val agpBaseVersion: String by project
+val signingKey: String? by project
+val signingPassword: String? by project
 
 tasks.withType<KotlinCompile> {
     kotlinOptions.freeCompilerArgs += "-Xjvm-default=compatibility"
@@ -15,6 +17,7 @@ plugins {
     kotlin("jvm")
     id("java-gradle-plugin")
     `maven-publish`
+    signing
     id("org.jetbrains.dokka") version ("1.4.32")
 }
 
@@ -79,6 +82,11 @@ publishing {
     }
 }
 
+signing {
+    isRequired = hasProperty("signingKey") && !gradle.taskGraph.hasTask("publishToMavenLocal")
+    sign(publishing.publications.findByName("pluginMaven"))
+}
+
 /**
  * Create a properties file with that can be read from the gradle-plugin tests to setup test
  * projects.
diff --git a/symbol-processing/build.gradle.kts b/symbol-processing/build.gradle.kts
index 736ca9b7..731a10b3 100644
--- a/symbol-processing/build.gradle.kts
+++ b/symbol-processing/build.gradle.kts
@@ -1,11 +1,14 @@
 import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 
 val kotlinBaseVersion: String by project
+val signingKey: String? by project
+val signingPassword: String? by project
 
 plugins {
     kotlin("jvm")
     id("com.github.johnrengelman.shadow") version "6.0.0"
     `maven-publish`
+    signing
 }
 
 val packedJars by configurations.creating
@@ -78,3 +81,9 @@ publishing {
         }
     }
 }
+
+signing {
+    isRequired = hasProperty("signingKey") && !gradle.taskGraph.hasTask("publishToMavenLocal")
+    sign(publishing.publications.findByName("shadow"))
+    sign(publishing.publications.findByName("cmdline"))
+}