Revert "Extract custom archive tasks to gradle folder."

This reverts commit ee6a5e2.

build.gradle

@@ -1,3 +1,7 @@
+import org.apache.tools.ant.filters.ReplaceTokens
+
+import static org.gradle.api.tasks.testing.logging.TestExceptionFormat.FULL
+
 plugins {
 	id('groovy')
 }
@@ -20,8 +24,6 @@ println("Release set to: $release")
 println("Candidtes API: $candidatesApi")
 println("Version: $sdkmanVersion")
 
-apply from: 'gradle/archive.gradle'
-
 repositories {
 	mavenCentral()
 }
@@ -43,3 +45,72 @@ dependencies {
 		exclude module: 'groovy-all'
 	}
 }
+
+task prepareScripts(type: Copy) {
+	from('src/main/bash')
+	into('build/scripts')
+	include('**/*')
+	filter(
+			ReplaceTokens,
+			tokens: [
+					SDKMAN_VERSION       : sdkmanVersion,
+					SDKMAN_CANDIDATES_API: candidatesApi
+			]
+	)
+}
+
+task prepareContrib(type: Copy) {
+	from('contrib')
+	into('build/contrib')
+}
+
+tasks.test.configure {
+	dependsOn(prepareScripts)
+	testLogging.exceptionFormat = FULL
+}
+
+task assembleArchive(type: Zip, dependsOn: [prepareScripts, prepareContrib]) {
+	archiveVersion = sdkmanVersion
+	from('build/scripts') {
+		include('*.sh*')
+	}
+	from('build') {
+		include('contrib/**')
+	}
+}
+
+tasks.assemble.configure {
+	dependsOn(assembleArchive)
+}
+
+task cleanInstallInit(type: Delete) {
+	delete(installBinDir)
+}
+
+task cleanContribInit(type: Delete) {
+	delete(installContribDir)
+}
+
+task cleanInstallModules(type: Delete) {
+	delete(installSrcDir)
+}
+
+task installContrib(type: Copy, dependsOn: [cleanContribInit, prepareContrib]) {
+	from('build/contrib')
+	into(installContribDir)
+}
+
+task installInit(type: Copy, dependsOn: [cleanInstallInit, prepareScripts]) {
+	from('build/scripts')
+	into(installBinDir)
+	include('sdkman-init.sh')
+}
+
+task installModules(type: Copy, dependsOn: [cleanInstallModules, prepareScripts]) {
+	from('build/scripts')
+	into(installSrcDir)
+	include('sdkman-*.sh')
+	exclude('sdkman-init.sh')
+}
+
+task install(dependsOn: [installInit, installContrib, installModules])