Fix nightly versionName/versionCode

app/build.gradle

@@ -18,8 +18,8 @@ android {
 		applicationId 'org.koitharu.kotatsu'
 		minSdk = 21
 		targetSdk = 35
-		versionCode = 685
-		versionName = '7.7-a6'
+		versionCode = 686
+		versionName = '7.7-a7'
 		generatedDensities = []
 		testInstrumentationRunner 'org.koitharu.kotatsu.HiltTestRunner'
 		ksp {
@@ -42,8 +42,6 @@ android {
 		nightly {
 			initWith release
 			applicationIdSuffix = '.nightly'
-			defaultConfig.versionCode = LocalDateTime.now().format("yyMMdd").toInteger()
-			defaultConfig.versionName = "N" + LocalDateTime.now().format("yyMMdd")
 		}
 	}
 	buildFeatures {
@@ -81,6 +79,15 @@ android {
 			freeCompilerArgs += ['-opt-in=org.koitharu.kotatsu.parsers.InternalParsersApi']
 		}
 	}
+	applicationVariants.configureEach { variant ->
+		if (variant.name == 'nightly') {
+			variant.outputs.each { output ->
+				def now = LocalDateTime.now().format("yyMMdd")
+				output.versionCodeOverride = now.toInteger()
+				output.versionNameOverride = 'N' + now
+			}
+		}
+	}
 }
 afterEvaluate {
 	compileDebugKotlin {

app/src/main/kotlin/org/koitharu/kotatsu/core/github/VersionId.kt

@@ -1,6 +1,6 @@
 package org.koitharu.kotatsu.core.github
 
-import java.util.*
+import java.util.Locale
 
 data class VersionId(
 	val major: Int,
@@ -43,6 +43,16 @@ val VersionId.isStable: Boolean
 	get() = variantType.isEmpty()
 
 fun VersionId(versionName: String): VersionId {
+	if (versionName.startsWith('n', ignoreCase = true)) {
+		// Nightly build
+		return VersionId(
+			major = 0,
+			minor = 0,
+			build = versionName.drop(1).toIntOrNull() ?: 0,
+			variantType = "n",
+			variantNumber = 0,
+		)
+	}
 	val parts = versionName.substringBeforeLast('-').split('.')
 	val variant = versionName.substringAfterLast('-', "")
 	return VersionId(