Port to 1.21, add unifiedPublishing

build.gradle

@@ -1,6 +1,7 @@
 plugins {
 	id 'fabric-loom' version '1.6-SNAPSHOT'
 	id 'maven-publish'
+	id "me.shedaniel.unified-publishing" version "0.1.+"
 }
 
 version = project.mod_version
@@ -70,3 +71,57 @@ publishing {
 		// mavenLocal()
 	}
 }
+ext {
+	releaseChangelog = {
+		def changes = new StringBuilder()
+		changes << "## TimeChanger v$project.version for $project.minecraft_version\n[View the changelog](https://www.github.com/TeamMidnightDust/TimeChanger/commits/)"
+		def proc = "git log --max-count=1 --pretty=format:%s".execute()
+		proc.in.eachLine { line ->
+			def processedLine = line.toString()
+			if (!processedLine.contains("New translations") && !processedLine.contains("Merge") && !processedLine.contains("branch")) {
+				changes << "\n- ${processedLine.capitalize()}"
+			}
+		}
+		proc.waitFor()
+		return changes.toString()
+	}
+}
+unifiedPublishing {
+	project {
+		displayName = "TimeChanger $project.version - $project.minecraft_version"
+		releaseType = "$project.release_type"
+		changelog = releaseChangelog()
+		gameVersions = []
+		gameLoaders = ["fabric","quilt"]
+		mainPublication remapJar
+		relations {
+			depends {
+				curseforge = "fabric-api"
+				modrinth = "fabric-api"
+			}
+			includes {
+				curseforge = "midnightlib"
+				modrinth = "midnightlib"
+			}
+		}
+
+		var CURSEFORGE_TOKEN = project.findProperty("CURSEFORGE_TOKEN") ?: System.getenv("CURSEFORGE_TOKEN")
+		if (CURSEFORGE_TOKEN != null) {
+			curseforge {
+				token = CURSEFORGE_TOKEN
+				id = rootProject.curseforge_id
+				gameVersions.addAll "Java 21", project.minecraft_version
+			}
+		}
+
+		var MODRINTH_TOKEN = project.findProperty("MODRINTH_TOKEN") ?: System.getenv("MODRINTH_TOKEN")
+		if (MODRINTH_TOKEN != null) {
+			modrinth {
+				token = MODRINTH_TOKEN
+				id = rootProject.modrinth_id
+				version = "$project.version"
+				gameVersions.addAll project.minecraft_version
+			}
+		}
+	}
+}