core/patcher: print version and os on plugin apply & don't require unsupported property for windows dev bundle gen

buildSrc/src/main/kotlin/config-kotlin.gradle.kts

@@ -55,6 +55,14 @@ tasks.withType<KotlinCompile> {
     }
 }
 
+tasks.jar {
+    manifest {
+        attributes(
+            "Implementation-Version" to project.version
+        )
+    }
+}
+
 ktlint {
     enableExperimentalRules.set(true)
 

paperweight-core/src/main/kotlin/io/papermc/paperweight/core/PaperweightCore.kt

@@ -44,6 +44,7 @@ class PaperweightCore : Plugin<Project> {
     override fun apply(target: Project) {
         checkJavaVersion()
         Git.checkForGit()
+        printId<PaperweightCore>("paperweight-core")
 
         val ext = target.extensions.create(PAPERWEIGHT_EXTENSION, PaperweightCoreExtension::class, target)
 

paperweight-lib/src/main/kotlin/io/papermc/paperweight/tasks/GenerateDevBundle.kt

@@ -447,34 +447,22 @@ abstract class GenerateDevBundle : DefaultTask() {
     }
 
     private fun checkEnvironment() {
-        var unsupported = false
-
-        val osName = System.getProperty("os.name")
-        logger.lifecycle("Dev bundle generation running on '{}'...", osName)
-        if (osName.contains("win", true)) {
-            logger.warn("Dev bundle generation is not tested to work on Windows.")
-            unsupported = true
-        }
-
         val diffVersion = runDiff(null, listOf("--version")) + " " // add whitespace so pattern still works even with eol
         val matcher = Pattern.compile("diff \\(GNU diffutils\\) (.*?)\\s").matcher(diffVersion)
         if (matcher.find()) {
             logger.lifecycle("Using 'diff (GNU diffutils) {}'.", matcher.group(1))
-        } else {
-            logger.warn("Non-GNU diffutils diff detected, '--version' returned:\n{}", diffVersion)
-            unsupported = true
+            return
         }
 
-        if (unsupported) {
-            if (this.ignoreUnsupportedEnvironment.getOrElse(false)) {
-                logger.warn("Ignoring unsupported environment as per user configuration.")
-            } else {
-                throw PaperweightException(
-                    "Dev bundle generation is running in an unsupported environment (see above log messages).\n" +
-                        "You can ignore this and attempt to generate a dev bundle anyways by setting the '$unsupportedEnvironmentPropName' Gradle " +
-                        "property to 'true'."
-                )
-            }
+        logger.warn("Non-GNU diffutils diff detected, '--version' returned:\n{}", diffVersion)
+        if (this.ignoreUnsupportedEnvironment.getOrElse(false)) {
+            logger.warn("Ignoring unsupported environment as per user configuration.")
+        } else {
+            throw PaperweightException(
+                "Dev bundle generation is running in an unsupported environment (see above log messages).\n" +
+                    "You can ignore this and attempt to generate a dev bundle anyways by setting the '$unsupportedEnvironmentPropName' Gradle " +
+                    "property to 'true'."
+            )
         }
     }
 }

paperweight-lib/src/main/kotlin/io/papermc/paperweight/util/utils.kt

@@ -348,3 +348,7 @@ fun checkJavaVersion() {
         throw PaperweightException(msg)
     }
 }
+
+inline fun <reified P> printId(pluginId: String) {
+    println("$pluginId v${P::class.java.`package`.implementationVersion} (running on '${System.getProperty("os.name")}')")
+}

paperweight-patcher/src/main/kotlin/io/papermc/paperweight/patcher/PaperweightPatcher.kt

@@ -50,6 +50,7 @@ class PaperweightPatcher : Plugin<Project> {
     override fun apply(target: Project) {
         checkJavaVersion()
         Git.checkForGit()
+        printId<PaperweightPatcher>("paperweight-patcher")
 
         val patcher = target.extensions.create(PAPERWEIGHT_EXTENSION, PaperweightPatcherExtension::class, target)