src/main/kotlin/link/infra/packwiz/installer/DownloadTask.kt

@@ -21,7 +21,6 @@ import java.nio.file.StandardCopyOption
 
 internal class DownloadTask private constructor(val metadata: IndexFile.File, val index: IndexFile, private val downloadSide: Side) : IOptionDetails {
 	var cachedFile: ManifestFile.File? = null
-		private set
 
 	private var err: Exception? = null
 	val exceptionDetails get() = err?.let { e -> ExceptionDetails(name, e) }
@@ -29,24 +28,10 @@ internal class DownloadTask private constructor(val metadata: IndexFile.File, va
 	fun failed() = err != null
 
 	var alreadyUpToDate = false
-		private set
 	private var metadataRequired = true
 	private var invalidated = false
 	// If file is new or isOptional changed to true, the option needs to be presented again
 	private var newOptional = true
-	var completionStatus = CompletionStatus.INCOMPLETE
-		private set
-
-	enum class CompletionStatus {
-		INCOMPLETE,
-		DOWNLOADED,
-		ALREADY_EXISTS_CACHED,
-		ALREADY_EXISTS_VALIDATED,
-		SKIPPED_DISABLED,
-		SKIPPED_WRONG_SIDE,
-		DELETED_DISABLED,
-		DELETED_WRONG_SIDE;
-	}
 
 	val isOptional get() = metadata.linkedFile?.option?.optional ?: false
 
@@ -91,7 +76,6 @@ internal class DownloadTask private constructor(val metadata: IndexFile.File, va
 			if (currHash == cachedFile.hash) { // Already up to date
 				alreadyUpToDate = true
 				metadataRequired = false
-				completionStatus = CompletionStatus.ALREADY_EXISTS_CACHED
 			}
 		}
 		if (cachedFile.isOptional) {
@@ -125,9 +109,9 @@ internal class DownloadTask private constructor(val metadata: IndexFile.File, va
 							cachedFile.optionValue = linkedFile.option.defaultValue
 						}
 					}
+					cachedFile.isOptional = isOptional
+					cachedFile.onlyOtherSide = !correctSide()
 				}
-				cachedFile.isOptional = isOptional
-				cachedFile.onlyOtherSide = !correctSide()
 			}
 		}
 	}
@@ -159,7 +143,6 @@ internal class DownloadTask private constructor(val metadata: IndexFile.File, va
 					fileSource.buffer().readAll(blackholeSink())
 					if (hash == fileSource.hash) {
 						alreadyUpToDate = true
-						completionStatus = CompletionStatus.ALREADY_EXISTS_VALIDATED
 
 						// Update the manifest file
 						cachedFile = (cachedFile ?: ManifestFile.File()).also {
@@ -198,18 +181,10 @@ internal class DownloadTask private constructor(val metadata: IndexFile.File, va
 				if (it.cachedLocation != null) {
 					// Ensure wrong-side or optional false files are removed
 					try {
-						completionStatus = if (Files.deleteIfExists(it.cachedLocation!!.nioPath)) {
+						Files.deleteIfExists(it.cachedLocation!!.nioPath)
-							if (correctSide()) { CompletionStatus.DELETED_DISABLED } else { CompletionStatus.DELETED_WRONG_SIDE }
-						} else {
-							if (correctSide()) { CompletionStatus.SKIPPED_DISABLED } else { CompletionStatus.SKIPPED_WRONG_SIDE }
-						}
 					} catch (e: IOException) {
 						Log.warn("Failed to delete file", e)
 					}
-				} else {
-					completionStatus =
-						if (correctSide()) { CompletionStatus.SKIPPED_DISABLED }
-						else { CompletionStatus.SKIPPED_WRONG_SIDE }
 				}
 				it.cachedLocation = null
 				return
@@ -309,8 +284,6 @@ internal class DownloadTask private constructor(val metadata: IndexFile.File, va
 				}
 			}
 		}
-
-		completionStatus = CompletionStatus.DOWNLOADED
 	}
 
 	companion object {

src/main/kotlin/link/infra/packwiz/installer/LauncherUtils.kt

@@ -48,7 +48,6 @@ class LauncherUtils internal constructor(private val opts: UpdateManager.Options
 		val modLoaders = hashMapOf(
 			"net.minecraft" to "minecraft",
 			"net.minecraftforge" to "forge",
-			"net.neoforged" to "neoforge",
 			"net.fabricmc.fabric-loader" to "fabric",
 			"org.quiltmc.quilt-loader" to "quilt",
 			"com.mumfrey.liteloader" to "liteloader"
@@ -60,7 +59,6 @@ class LauncherUtils internal constructor(private val opts: UpdateManager.Options
 			"org.lwjgl" to -1,
 			"org.lwjgl3" to -1,
 			"net.minecraftforge" to 5,
-			"net.neoforged" to 5,
 			"net.fabricmc.fabric-loader" to 10,
 			"org.quiltmc.quilt-loader" to 10,
 			"com.mumfrey.liteloader" to 10,
@@ -139,4 +137,4 @@ class LauncherUtils internal constructor(private val opts: UpdateManager.Options
 
 		return LauncherStatus.NO_CHANGES
 	}
-}
+}

src/main/kotlin/link/infra/packwiz/installer/UpdateManager.kt

@@ -127,45 +127,41 @@ class UpdateManager internal constructor(private val opts: Options, val ui: IUse
 
 		ui.submitProgress(InstallProgress("Checking local files..."))
 
-		// If the side changes, invalidate EVERYTHING (even when the index hasn't changed)
+		// Invalidation checking must be done here, as it must happen before pack/index hashes are checked
-		val invalidateAll = opts.side != manifest.cachedSide
 		val invalidatedUris: MutableList<PackwizFilePath> = ArrayList()
-		if (!invalidateAll) {
+		for ((fileUri, file) in manifest.cachedFiles) {
-			// Invalidation checking must be done here, as it must happen before pack/index hashes are checked
+			// ignore onlyOtherSide files
-			for ((fileUri, file) in manifest.cachedFiles) {
+			if (file.onlyOtherSide) {
-				// ignore onlyOtherSide files
+				continue
-				if (file.onlyOtherSide) {
-					continue
-				}
-
-				var invalid = false
-				// if isn't optional, or is optional but optionValue == true
-				if (!file.isOptional || file.optionValue) {
-					if (file.cachedLocation != null) {
-						if (!file.cachedLocation!!.nioPath.toFile().exists()) {
-							invalid = true
-						}
-					} else {
-						// if cachedLocation == null, should probably be installed!!
-						invalid = true
-					}
-				}
-				if (invalid) {
-					Log.info("File ${fileUri.filename} invalidated, marked for redownloading")
-					invalidatedUris.add(fileUri)
-				}
 			}
 
-			if (manifest.packFileHash?.let { it == packFileSource.hash } == true && invalidatedUris.isEmpty()) {
+			var invalid = false
-				// todo: --force?
+			// if isn't optional, or is optional but optionValue == true
-				ui.submitProgress(InstallProgress("Modpack is already up to date!", 1, 1))
+			if (!file.isOptional || file.optionValue) {
-				if (manifest.cachedFiles.any { it.value.isOptional }) {
+				if (file.cachedLocation != null) {
-					ui.awaitOptionalButton(false, opts.timeout)
+					if (!file.cachedLocation!!.nioPath.toFile().exists()) {
-				}
+						invalid = true
-				if (!ui.optionsButtonPressed) {
+					}
-					return
+				} else {
+					// if cachedLocation == null, should probably be installed!!
+					invalid = true
 				}
 			}
+			if (invalid) {
+				Log.info("File ${fileUri.filename} invalidated, marked for redownloading")
+				invalidatedUris.add(fileUri)
+			}
+		}
+
+		if (manifest.packFileHash?.let { it == packFileSource.hash } == true && invalidatedUris.isEmpty()) {
+			// todo: --force?
+			ui.submitProgress(InstallProgress("Modpack is already up to date!", 1, 1))
+			if (manifest.cachedFiles.any { it.value.isOptional }) {
+				ui.awaitOptionalButton(false, opts.timeout)
+			}
+			if (!ui.optionsButtonPressed) {
+				return
+			}
 		}
 
 		Log.info("Modpack name: ${pf.name}")
@@ -181,7 +177,6 @@ class UpdateManager internal constructor(private val opts: Options, val ui: IUse
 				pf.index.hashFormat,
 				manifest,
 				invalidatedUris,
-				invalidateAll,
 				clientHolder
 			)
 		} catch (e1: Exception) {
@@ -207,20 +202,18 @@ class UpdateManager internal constructor(private val opts: Options, val ui: IUse
 		}
 	}
 
-	private fun processIndex(indexUri: PackwizPath<*>, indexHash: Hash<*>, hashFormat: HashFormat<*>, manifest: ManifestFile, invalidatedFiles: List<PackwizFilePath>, invalidateAll: Boolean, clientHolder: ClientHolder) {
+	private fun processIndex(indexUri: PackwizPath<*>, indexHash: Hash<*>, hashFormat: HashFormat<*>, manifest: ManifestFile, invalidatedFiles: List<PackwizFilePath>, clientHolder: ClientHolder) {
-		if (!invalidateAll) {
+		if (manifest.indexFileHash == indexHash && invalidatedFiles.isEmpty()) {
-			if (manifest.indexFileHash == indexHash && invalidatedFiles.isEmpty()) {
+			ui.submitProgress(InstallProgress("Modpack files are already up to date!", 1, 1))
-				ui.submitProgress(InstallProgress("Modpack files are already up to date!", 1, 1))
+			if (manifest.cachedFiles.any { it.value.isOptional }) {
-				if (manifest.cachedFiles.any { it.value.isOptional }) {
+				ui.awaitOptionalButton(false, opts.timeout)
-					ui.awaitOptionalButton(false, opts.timeout)
+			}
-				}
+			if (!ui.optionsButtonPressed) {
-				if (!ui.optionsButtonPressed) {
+				return
-					return
+			}
-				}
+			if (ui.cancelButtonPressed) {
-				if (ui.cancelButtonPressed) {
+				showCancellationDialog()
-					showCancellationDialog()
+				return
-					return
-				}
 			}
 		}
 		manifest.indexFileHash = indexHash
@@ -247,17 +240,31 @@ class UpdateManager internal constructor(private val opts: Options, val ui: IUse
 		}
 
 		ui.submitProgress(InstallProgress("Checking local files..."))
+		// TODO: use kotlin filtering/FP rather than an iterator?
 		val it: MutableIterator<Map.Entry<PackwizFilePath, ManifestFile.File>> = manifest.cachedFiles.entries.iterator()
 		while (it.hasNext()) {
 			val (uri, file) = it.next()
 			if (file.cachedLocation != null) {
-				if (indexFile.files.none { it.file.rebase(opts.packFolder) == uri }) { // File has been removed from the index
+				var alreadyDeleted = false
+				// Delete if option value has been set to false
+				if (file.isOptional && !file.optionValue) {
 					try {
 						Files.deleteIfExists(file.cachedLocation!!.nioPath)
 					} catch (e: IOException) {
-						Log.warn("Failed to delete file removed from index", e)
+						Log.warn("Failed to delete optional disabled file", e)
+					}
+					// Set to null, as it doesn't exist anymore
+					file.cachedLocation = null
+					alreadyDeleted = true
+				}
+				if (indexFile.files.none { it.file.rebase(opts.packFolder) == uri }) { // File has been removed from the index
+					if (!alreadyDeleted) {
+						try {
+							Files.deleteIfExists(file.cachedLocation!!.nioPath)
+						} catch (e: IOException) {
+							Log.warn("Failed to delete file removed from index", e)
+						}
 					}
-					Log.info("Deleted ${file.cachedLocation!!.filename} (removed from pack)")
 					it.remove()
 				}
 			}
@@ -274,6 +281,9 @@ class UpdateManager internal constructor(private val opts: Options, val ui: IUse
 			Log.warn("Index is empty!")
 		}
 		val tasks = createTasksFromIndex(indexFile, opts.side)
+		// If the side changes, invalidate EVERYTHING just in case
+		// Might not be needed, but done just to be safe
+		val invalidateAll = opts.side != manifest.cachedSide
 		if (invalidateAll) {
 			Log.info("Side changed, invalidating all mods")
 		}
@@ -387,16 +397,7 @@ class UpdateManager internal constructor(private val opts: Options, val ui: IUse
 			val progress = if (exDetails != null) {
 				"Failed to download ${exDetails.name}: ${exDetails.exception.message}"
 			} else {
-				when (task.completionStatus) {
+				"Downloaded ${task.name}"
-					DownloadTask.CompletionStatus.INCOMPLETE -> "${task.name} pending (you should never see this...)"
-					DownloadTask.CompletionStatus.DOWNLOADED -> "Downloaded ${task.name}"
-					DownloadTask.CompletionStatus.ALREADY_EXISTS_CACHED -> "${task.name} already exists (cached)"
-					DownloadTask.CompletionStatus.ALREADY_EXISTS_VALIDATED -> "${task.name} already exists (validated)"
-					DownloadTask.CompletionStatus.SKIPPED_DISABLED -> "Skipped ${task.name} (disabled)"
-					DownloadTask.CompletionStatus.SKIPPED_WRONG_SIDE -> "Skipped ${task.name} (wrong side)"
-					DownloadTask.CompletionStatus.DELETED_DISABLED -> "Deleted ${task.name} (disabled)"
-					DownloadTask.CompletionStatus.DELETED_WRONG_SIDE -> "Deleted ${task.name} (wrong side)"
-				}
 			}
 			ui.submitProgress(InstallProgress(progress, i + 1, tasks.size))
 

src/main/kotlin/link/infra/packwiz/installer/metadata/curseforge/CurseForgeSourcer.kt

@@ -49,15 +49,14 @@ private val APIKey = "JDJhJDEwJHNBWVhqblU1N0EzSmpzcmJYM3JVdk92UWk2NHBLS3BnQ2VpbG
 @Throws(JsonSyntaxException::class, JsonIOException::class)
 fun resolveCfMetadata(mods: List<IndexFile.File>, packFolder: PackwizFilePath, clientHolder: ClientHolder): List<ExceptionDetails> {
 	val failures = mutableListOf<ExceptionDetails>()
-	val fileIdMap = mutableMapOf<Int, List<IndexFile.File>>()
+	val fileIdMap = mutableMapOf<Int, IndexFile.File>()
 
 	for (mod in mods) {
 		if (!mod.linkedFile!!.update.contains("curseforge")) {
 			failures.add(ExceptionDetails(mod.linkedFile!!.name, Exception("Failed to resolve CurseForge metadata: no CurseForge update section")))
 			continue
 		}
-		val fileId = (mod.linkedFile!!.update["curseforge"] as CurseForgeUpdateData).fileId
+		fileIdMap[(mod.linkedFile!!.update["curseforge"] as CurseForgeUpdateData).fileId] = mod
-		fileIdMap[fileId] = (fileIdMap[fileId] ?: listOf()) + mod
 	}
 
 	val reqData = GetFilesRequest(fileIdMap.keys.toList())
@@ -78,7 +77,7 @@ fun resolveCfMetadata(mods: List<IndexFile.File>, packFolder: PackwizFilePath, c
 	val resData = Gson().fromJson(res.body!!.charStream(), GetFilesResponse::class.java)
 	res.closeQuietly()
 
-	val manualDownloadMods = mutableMapOf<Int, List<Int>>()
+	val manualDownloadMods = mutableMapOf<Int, Pair<IndexFile.File, Int>>()
 	for (file in resData.data) {
 		if (!fileIdMap.contains(file.id)) {
 			failures.add(ExceptionDetails(file.id.toString(),
@@ -86,14 +85,12 @@ fun resolveCfMetadata(mods: List<IndexFile.File>, packFolder: PackwizFilePath, c
 			continue
 		}
 		if (file.downloadUrl == null) {
-			manualDownloadMods[file.modId] = (manualDownloadMods[file.modId] ?: listOf()) + file.id
+			manualDownloadMods[file.modId] = Pair(fileIdMap[file.id]!!, file.id)
 			continue
 		}
 		try {
-			for (indexFile in fileIdMap[file.id]!!) {
+			fileIdMap[file.id]!!.linkedFile!!.resolvedUpdateData["curseforge"] =
-				indexFile.linkedFile!!.resolvedUpdateData["curseforge"] =
+				HttpUrlPath(file.downloadUrl!!.toHttpUrl())
-					HttpUrlPath(file.downloadUrl!!.toHttpUrl())
-			}
 		} catch (e: IllegalArgumentException) {
 			failures.add(ExceptionDetails(file.id.toString(),
 				Exception("Failed to parse URL: ${file.downloadUrl} for ID ${file.id}, Project ID ${file.modId}", e)))
@@ -102,13 +99,10 @@ fun resolveCfMetadata(mods: List<IndexFile.File>, packFolder: PackwizFilePath, c
 
 	// Some file types don't show up in the API at all! (e.g. shaderpacks)
 	// Add unresolved files to manualDownloadMods
-	for ((fileId, indexFiles) in fileIdMap) {
+	for ((fileId, file) in fileIdMap) {
-		for (file in indexFiles) {
+		if (file.linkedFile != null) {
-			if (file.linkedFile != null) {
+			if (file.linkedFile!!.resolvedUpdateData["curseforge"] == null) {
-				if (file.linkedFile!!.resolvedUpdateData["curseforge"] == null) {
+				manualDownloadMods[(file.linkedFile!!.update["curseforge"] as CurseForgeUpdateData).projectId] = Pair(file, fileId)
-					val projectId = (file.linkedFile!!.update["curseforge"] as CurseForgeUpdateData).projectId
-					manualDownloadMods[projectId] = (manualDownloadMods[projectId] ?: listOf()) + fileId
-				}
 			}
 		}
 	}
@@ -139,19 +133,9 @@ fun resolveCfMetadata(mods: List<IndexFile.File>, packFolder: PackwizFilePath, c
 				continue
 			}
 
-			for (fileId in manualDownloadMods[mod.id]!!) {
+			val modFile = manualDownloadMods[mod.id]!!
-				if (!fileIdMap.contains(fileId)) {
+			failures.add(ExceptionDetails(mod.name, Exception("This mod is excluded from the CurseForge API and must be downloaded manually.\n" +
-					failures.add(ExceptionDetails(mod.name,
+				"Please go to ${mod.links?.websiteUrl}/files/${modFile.second} and save this file to ${modFile.first.destURI.rebase(packFolder).nioPath.absolute()}")))
-						Exception("Failed to find file from result: file ID $fileId")))
-					continue
-				}
-
-				for (indexFile in fileIdMap[fileId]!!) {
-					var modUrl = "${mod.links?.websiteUrl}/files/${fileId}"
-					failures.add(ExceptionDetails(indexFile.name, Exception("This mod is excluded from the CurseForge API and must be downloaded manually.\n" +
-						"Please go to ${modUrl} and save this file to ${indexFile.destURI.rebase(packFolder).nioPath.absolute()}"), modUrl))
-				}
-			}
 		}
 	}
 

src/main/kotlin/link/infra/packwiz/installer/ui/IUserInterface.kt

@@ -23,10 +23,7 @@ interface IUserInterface {
 
 	fun showCancellationDialog(): CancellationResult = CancellationResult.QUIT
 
-	fun showUpdateConfirmationDialog(oldVersions: List<Pair<String, String?>>, newVersions: List<Pair<String, String?>>): UpdateConfirmationResult {
+	fun showUpdateConfirmationDialog(oldVersions: List<Pair<String, String?>>, newVersions: List<Pair<String, String?>>): UpdateConfirmationResult = UpdateConfirmationResult.CANCELLED
-		// Always update metadata when using the CLI
-		return UpdateConfirmationResult.UPDATE
-	}
 
 	fun awaitOptionalButton(showCancel: Boolean, timeout: Long)
 

src/main/kotlin/link/infra/packwiz/installer/ui/data/ExceptionDetails.kt

@@ -2,6 +2,5 @@ package link.infra.packwiz.installer.ui.data
 
 data class ExceptionDetails(
 		val name: String,
-		val exception: Exception,
+		val exception: Exception
-		val modUrl: String? = null
+)
-)

src/main/kotlin/link/infra/packwiz/installer/ui/gui/ExceptionListWindow.kt

@@ -1,6 +1,5 @@
 package link.infra.packwiz.installer.ui.gui
 
-import link.infra.packwiz.installer.util.Log
 import link.infra.packwiz.installer.ui.IUserInterface
 import link.infra.packwiz.installer.ui.data.ExceptionDetails
 import java.awt.BorderLayout
@@ -25,24 +24,6 @@ class ExceptionListWindow(eList: List<ExceptionDetails>, future: CompletableFutu
 		fun getExceptionAt(index: Int) = details[index].exception
 	}
 
-	private fun openUrl(url: String) {
-		try {
-			if (Desktop.isDesktopSupported() && Desktop.getDesktop().isSupported(Desktop.Action.BROWSE)) {
-				Desktop.getDesktop().browse(URI(url))
-			} else {
-				val process = Runtime.getRuntime().exec(arrayOf("xdg-open", url));
-				val exitValue = process.waitFor()
-				if (exitValue > 0) {
-					Log.warn("Failed to open $url: xdg-open exited with code $exitValue")
-				}
-			}
-		} catch (e: IOException) {
-			Log.warn("Failed to open $url", e)
-		} catch (e: URISyntaxException) {
-			Log.warn("Failed to open $url", e)
-		}
-	}
-
 	/**
 	 * Create the dialog.
 	 */
@@ -131,19 +112,6 @@ class ExceptionListWindow(eList: List<ExceptionDetails>, future: CompletableFutu
 							this@ExceptionListWindow.dispose()
 						}
 					})
-
-					val missingMods = eList.filter { it.modUrl != null }.map { it.modUrl!! }.toSet()
-
-					if (!missingMods.isEmpty()) {
-						add(JButton("Open missing mods").apply {
-							toolTipText = "Open missing mods in your browser"
-							addActionListener {
-								missingMods.forEach {
-									openUrl(it)
-								}
-							}
-						})
-					}
 				}, BorderLayout.EAST)
 
 				// Errored label
@@ -154,8 +122,16 @@ class ExceptionListWindow(eList: List<ExceptionDetails>, future: CompletableFutu
 				// Left buttons
 				add(JPanel().apply {
 					add(JButton("Report issue").apply {
-						addActionListener {
+						if (Desktop.isDesktopSupported() && Desktop.getDesktop().isSupported(Desktop.Action.BROWSE)) {
-							openUrl("https://github.com/packwiz/packwiz-installer/issues/new")
+							addActionListener {
+								try {
+									Desktop.getDesktop().browse(URI("https://github.com/packwiz/packwiz-installer/issues/new"))
+								} catch (e: IOException) {
+									// lol the button just won't work i guess
+								} catch (e: URISyntaxException) {}
+							}
+						} else {
+							isEnabled = false
 						}
 					})
 				}, BorderLayout.WEST)
@@ -174,4 +150,4 @@ class ExceptionListWindow(eList: List<ExceptionDetails>, future: CompletableFutu
 			}
 		})
 	}
-}
+}