Improve git version naming

build.gradle.kts

@@ -3,6 +3,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import java.util.Date
 import java.text.SimpleDateFormat
 import it.unimi.dsi.fastutil.io.FastByteArrayOutputStream
+import kotlin.text.Regex
 
 val mod_version: String by project
 val mc_version: String by project
@@ -11,7 +12,6 @@ val mod_id: String by project
 val handle_deps: String by project
 val use_commit_hash_in_version: String by project
 val handleDeps = handle_deps == "true"
-val useCommitHashInVersion = use_commit_hash_in_version == "true"
 
 plugins {
 	java
@@ -26,10 +26,41 @@ configurations {
 	get("implementation").extendsFrom(get("library"), get("klibrary"))
 }
 
-version = if (useCommitHashInVersion) getCommitVersion() else mod_version
+data class GitInfo(val version: String, val count: String, val tag: String) {
+	// val tagIsVersion: Boolean get() = tag != "" && tag.matches(Regex("v[0-9]+\\.[0-9]\\.[0-9]"))
+
+	val mainVersion: String get() = if (tag != "") tag else mod_version
+
+	val jarName: String get() {
+		if (count != "") {
+			return "$mainVersion-SNAPSHOT-${version}_$count"
+		}
+
+		if (version != "") {
+			return "$mainVersion-SNAPSHOT-$version"
+		} else {
+			return "$mainVersion-SNAPSHOT"
+		}
+	}
+
+	val modVersion: String get() {
+		if (tag != "")
+			return mod_version
+
+		if (version != "") {
+			return "$mainVersion-SNAPSHOT-$version"
+		} else {
+			return "$mainVersion-SNAPSHOT"
+		}
+	}
+}
+
+val gitVersion = getCommitVersion() ?: GitInfo("", "", "")
+
+version = gitVersion.modVersion
 group = "ru.dbotthepony"
 
-fun getCommitVersion(): String {
+fun getCommitVersion(): GitInfo? {
 	try {
 		val versionStream = FastByteArrayOutputStream()
 		val tagStream = FastByteArrayOutputStream()
@@ -53,33 +84,21 @@ fun getCommitVersion(): String {
 			standardOutput = tagStream
 		}.exitValue == 0
 
+		if (!gotVersion || !gotCount || !gotTag) {
+			return null
+		}
+
 		val version = versionStream.array.copyOfRange(0, versionStream.length).toString(Charsets.UTF_8).trim()
 		val tag = tagStream.array.copyOfRange(0, tagStream.length).toString(Charsets.UTF_8).trim()
 		val count = countStream.array.copyOfRange(0, countStream.length).toString(Charsets.UTF_8).trim()
 
-		if (!gotVersion) {
-			return mod_version
-		}
-
-		if (gotTag && tag != "") {
-			if (gotCount && count != "") {
-				return "$tag-SNAPSHOT-${version}_$count"
-			} else {
-				return "$tag-SNAPSHOT-$version"
-			}
-		}
-
-		if (gotCount && count != "") {
-			return "$mod_version-SNAPSHOT-${version}_$count"
-		}
-
-		return "$mod_version-SNAPSHOT-$version"
+		return GitInfo(version, count, tag)
 	} catch(err: Throwable) {
 		println("Error getting git version")
 		println(err)
 	}
 
-	return mod_version
+	return null
 }
 
 java.toolchain.languageVersion.set(JavaLanguageVersion.of(17))
@@ -268,7 +287,7 @@ fun org.gradle.jvm.tasks.Jar.attachManifest() {
 			"Specification-Vendor"     to "DBotThePony",
 			"Specification-Version"    to "1", // We are version 1 of ourselves
 			"Implementation-Title"     to project.name,
-			"Implementation-Version"   to tasks.jar.get().archiveVersion,
+			"Implementation-Version"   to gitVersion.modVersion,
 			"Implementation-Vendor"    to "DBotThePony",
 			"Implementation-Timestamp" to SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ").format(Date())
 		))
@@ -281,6 +300,7 @@ tasks.jar.configure {
 	from(configurations["library"].map { if (it.isDirectory) it else zipTree(it) })
 	finalizedBy("reobfJar")
 	attachManifest()
+	archiveVersion.set(gitVersion.jarName)
 }
 
 tasks {