Fix issue where client slim and extra are appended with -stable on 1.14.4.

src/index.ts

@@ -145,12 +145,14 @@ const generateServerCommand: yargs.CommandModule = {
             `\n\t├ Forge version: ${argv.forge}`,
             `\n\t└ LiteLoader version: ${argv.liteloader}`)
 
+        if(argv.forge != null) {
             if (VersionUtil.isPromotionVersion(argv.forge as string)) {
                 console.debug(`Resolving ${argv.forge} Forge Version..`)
                 const version = await VersionUtil.getPromotedForgeVersion(argv.version as string, argv.forge as string)
                 console.debug(`Forge version set to ${version}`)
                 argv.forge = version
             }
+        }
 
         const serverStruct = new ServerStructure(argv.root as string, getBaseURL())
         serverStruct.createServer(

src/resolver/forge/adapter/forge113.resolver.ts

@@ -160,35 +160,38 @@ export class Forge113Adapter extends ForgeResolver {
                 group: LibRepoStructure.FORGE_GROUP,
                 artifact: LibRepoStructure.FORGE_ARTIFACT,
                 version: this.artifactVersion,
-                classifier: undefined
+                classifiers: [undefined]
             },
             {
                 name: 'universal jar',
                 group: LibRepoStructure.FORGE_GROUP,
                 artifact: LibRepoStructure.FORGE_ARTIFACT,
                 version: this.artifactVersion,
-                classifier: 'universal'
+                classifiers: ['universal']
             },
             {
                 name: 'client jar',
                 group: LibRepoStructure.FORGE_GROUP,
                 artifact: LibRepoStructure.FORGE_ARTIFACT,
                 version: this.artifactVersion,
-                classifier: 'client'
+                classifiers: ['client']
             },
             {
                 name: 'client slim',
                 group: LibRepoStructure.MINECRAFT_GROUP,
                 artifact: LibRepoStructure.MINECRAFT_CLIENT_ARTIFACT,
                 version: this.minecraftVersion,
-                classifier: 'slim'
+                classifiers: [
+                    'slim',
+                    'slim-stable'
+                ]
             },
             {
                 name: 'client data',
                 group: LibRepoStructure.MINECRAFT_GROUP,
                 artifact: LibRepoStructure.MINECRAFT_CLIENT_ARTIFACT,
                 version: this.minecraftVersion,
-                classifier: 'data',
+                classifiers: ['data'],
                 skipIfNotPresent: true
             },
             {
@@ -196,14 +199,17 @@ export class Forge113Adapter extends ForgeResolver {
                 group: LibRepoStructure.MINECRAFT_GROUP,
                 artifact: LibRepoStructure.MINECRAFT_CLIENT_ARTIFACT,
                 version: this.minecraftVersion,
-                classifier: 'extra'
+                classifiers: [
+                    'extra',
+                    'extra-stable'
+                ]
             },
             {
                 name: 'client srg',
                 group: LibRepoStructure.MINECRAFT_GROUP,
                 artifact: LibRepoStructure.MINECRAFT_CLIENT_ARTIFACT,
                 version: `${this.minecraftVersion}-${mcpVersion}`,
-                classifier: 'srg'
+                classifiers: ['srg']
             }
         ]
 
@@ -211,11 +217,19 @@ export class Forge113Adapter extends ForgeResolver {
 
         for (const entry of generatedFiles) {
 
+            const targetLocations: string[] = []
+            let located = false
+
+            classifierLoop:
+            for (const _classifier of entry.classifiers) {
+
                 const targetLocalPath = join(
                     libDir,
-                MavenUtil.mavenComponentsToPath(entry.group, entry.artifact, entry.version, entry.classifier)
+                    MavenUtil.mavenComponentsToPath(entry.group, entry.artifact, entry.version, _classifier)
                 )
 
+                targetLocations.push(targetLocalPath)
+
                 const exists = await pathExists(targetLocalPath)
                 if (exists) {
 
@@ -224,7 +238,7 @@ export class Forge113Adapter extends ForgeResolver {
                             entry.group,
                             entry.artifact,
                             entry.version,
-                        entry.classifier
+                            _classifier
                         ),
                         name: `Minecraft Forge (${entry.name})`,
                         type: Type.Library,
@@ -236,7 +250,7 @@ export class Forge113Adapter extends ForgeResolver {
                                 entry.group,
                                 entry.artifact,
                                 entry.version,
-                            entry.classifier
+                                _classifier
                             )
                         ),
                         subModules: []
@@ -246,15 +260,20 @@ export class Forge113Adapter extends ForgeResolver {
                         entry.group,
                         entry.artifact,
                         entry.version,
-                    entry.classifier
+                        _classifier
                     )
 
                     await move(targetLocalPath, destination, {overwrite: true})
 
-            } else {
-                if (!entry.skipIfNotPresent) {
-                    throw new Error(`Required file ${entry.name} not found at expected location ${targetLocalPath}!`)
+                    located = true
+                    break classifierLoop
+
                 }
+
+            }
+
+            if (!entry.skipIfNotPresent && !located) {
+                throw new Error(`Required file ${entry.name} not found at any expected location:\n\t${targetLocations.join('\n\t')}`)
             }
 
         }