Use snapshot repo for snapshot versions

Author: TBlueF

buildSrc/src/main/kotlin/bluemap.base.gradle.kts

@@ -73,7 +73,10 @@ publishing {
     repositories {
         maven {
             name = "bluecolored"
-            url = uri( "https://repo.bluecolored.de/releases" )
+            url = uri("https://repo.bluecolored.de/releases")
+
+            if (!gitIsRelease())
+                url = uri("https://repo.bluecolored.de/snapshots")
 
             credentials {
                 username = project.findProperty("bluecoloredUsername") as String? ?: System.getenv("BLUECOLORED_USERNAME")

buildSrc/src/main/kotlin/versioning.kt

@@ -24,6 +24,12 @@ fun Project.gitVersion(): String {
     return gitVersion
 }
 
+fun Project.gitIsRelease(): Boolean {
+    val lastTag = if (runCommand("git tag", "").isEmpty()) "" else runCommand("git describe --tags --abbrev=0", "")
+    val commits = runCommand("git rev-list --count $lastTag..HEAD", "0")
+    return commits == "0" && gitClean()
+}
+
 fun Project.releaseNotes(): String {
     val file = rootProject.projectDir.resolve("release.md")
     if (!file.exists()) return ""