feat: Auto publish to Github Packages on tag (#31)

Author: Aviortheking

.github/workflows/publish.yml

@@ -8,9 +8,9 @@
 name: Gradle Package
 
 on:
-  release:
-    types:
-      - created
+  push:
+    tags:
+      - v*
 
 jobs:
   build:
@@ -41,4 +41,4 @@ jobs:
         arguments: publish
       env:
         USERNAME: ${{ github.actor }}
-        TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        TOKEN: ${{ secrets.REPO_TOKEN }}

build.gradle.kts

@@ -8,9 +8,35 @@ plugins {
     `maven-publish`
 }
 
-val artifact = System.getenv("artifact") ?: "sdk"
-group = System.getenv("group") ?: "net.tcgdex"
-version = System.getenv("version") ?: "2.0.0"
+// from: https://discuss.kotlinlang.org/t/use-git-hash-as-version-number-in-build-gradle-kts/19818/8
+fun String.runCommand(
+    workingDir: File = File("."),
+    timeoutAmount: Long = 60,
+    timeoutUnit: TimeUnit = TimeUnit.SECONDS
+): String = ProcessBuilder(split("\\s(?=(?:[^'\"`]*(['\"`])[^'\"`]*\\1)*[^'\"`]*$)".toRegex()))
+    .directory(workingDir)
+    .redirectOutput(ProcessBuilder.Redirect.PIPE)
+    .redirectError(ProcessBuilder.Redirect.PIPE)
+    .start()
+    .apply { waitFor(timeoutAmount, timeoutUnit) }
+    .run {
+        val error = errorStream.bufferedReader().readText().trim()
+        if (error.isNotEmpty()) {
+            return@run ""
+        }
+        inputStream.bufferedReader().readText().trim()
+    }
+
+val branch = "git rev-parse --abbrev-ref HEAD".runCommand(workingDir = rootDir)
+val tag = "git tag -l --points-at HEAD".runCommand(workingDir = rootDir)
+val commitId = "git rev-parse HEAD".runCommand(workingDir = rootDir)
+
+val finalVersion = System.getenv("version") as String? ?: tag.drop(1) ?: "2.0.0"
+val finalGroup = System.getenv("group") as String? ?: "net.tcgdex"
+val artifact = System.getenv("artifact") as String? ?: "sdk"
+
+group = finalGroup
+version = finalVersion
 
 repositories {
     mavenCentral()
@@ -56,39 +82,9 @@ val javadocJar = tasks.named<Jar>("javadocJar") {
 publishing {
     publications {
         create<MavenPublication>("maven") {
-            // groupId = group
-            artifactId = artifact
-            // version = ver
-
-            from(components["java"])
-
-            pom {
-                name.set("TCGdex SDK")
-                description.set("Communicate with the Open Source TCGdex API in Kotlin/Java using the SDK")
-                url.set("https://github.com/tcgdex/java-sdk")
-                licenses {
-                    license {
-                        name.set("MIT License")
-                        url.set("https://github.com/tcgdex/java-sdk/blob/master/LICENSE.txt")
-                    }
-                }
-                developers {
-                    developer {
-                        id.set("avior")
-                        name.set("Avior")
-                        email.set("[email protected]")
-                    }
-                }
-                scm {
-                    connection.set("scm:[email protected]:tcgdex/java-sdk.git")
-                    url.set("https://github.com/tcgdex/java-sdk")
-                }
-            }
-        }
-        register<MavenPublication>("gpr") {
-            // groupId = group
+            groupId = finalGroup
             artifactId = artifact
-            // version = ver
+            version = finalVersion
 
             from(components["java"])