Add workaround for PolyMC/PolyMC#1060

src/commands/modrinth.ts

@@ -17,6 +17,7 @@ import semver from "semver"
 import { output } from "../output.js"
 import fs from "fs-extra"
 import { addModrinthMod, findModForModrinthMod, getModFileDataForModrinthVersion, isModrinthVersionCompatible, sortModrinthVersionsByPreference } from "../modrinth/utils.js"
+import { walk } from "@root/walk"
 
 const modrinthCommand = new Command("modrinth")
   .alias("mr")
@@ -311,11 +312,24 @@ modrinthCommand.command("export")
         "Copying client-server overrides"
       )
 
-      if (await fs.pathExists(pack.paths.overrides["client"].toString())) await output.withLoading(
+      if (await fs.pathExists(pack.paths.overrides["client"].toString())) {
+        await output.withLoading(
           fs.copy(pack.paths.overrides["client"].toString(), outputDirectory.resolve("client-overrides").toString(), { recursive: true }),
           "Copying client overrides"
         )
 
+        // Workaround for https://github.com/PolyMC/PolyMC/issues/1060
+        await walk(pack.paths.overrides["client"].toString(), async (error, path, dirent) => {
+          if (error) return
+          if (dirent.isDirectory()) {
+            const relativePath = pack.paths.overrides["client"].relative(path)
+            await fs.mkdirp(outputDirectory.resolve("overrides", relativePath).toString())
+          }
+
+          return true
+        })
+      }
+
       if (await fs.pathExists(pack.paths.overrides["server"].toString())) await output.withLoading(
         fs.copy(pack.paths.overrides["server"].toString(), outputDirectory.resolve("server-overrides").toString(), { recursive: true }),
         "Copying server overrides"

src/path.ts

@@ -34,6 +34,12 @@ export class Path {
     return pathModule.isAbsolute(this.value)
   }
 
+  // Not tested
+  // isDescendantOf(other: Path) {
+  //   if (!(this.isAbsolute() && other.isAbsolute())) throw new Error("Both paths must be absolute")
+  //   return pathModule.relative(this.value, other.value).split("/").includes("..")
+  // }
+
   toString() {
     return this.value
   }

src/utils.ts

@@ -11,6 +11,8 @@ import addressWithCallback from "address"
 import { promisify } from "util"
 import { KeyvFile } from "keyv-file"
 import originalGot from "got"
+import { dirname } from "path"
+import { without } from "lodash-es"
 
 const keyvCache = new KeyvFile({
   filename: paths.cache.resolve("http.json").toString(),
@@ -80,14 +82,23 @@ export async function zipDirectory(directoryPath: Path, outputFilePath: Path) {
   const zipFile = new ZipFile()
   zipFile.outputStream.pipe(fs.createWriteStream(outputFilePath.toString()))
 
+  let emptyDirectories: string[] = []
   await walk(directoryPath.toString(), async (error, path, dirent) => {
     if (error) return
     if (directoryPath.toString() === path) return true
     if (dirent.name.startsWith(".")) return false
 
-    if (dirent.isFile()) zipFile.addFile(path, directoryPath.relative(path).toString(), { compress: true })
+    if (dirent.isDirectory()) {
+      emptyDirectories.push(path)
+    } else if (dirent.isFile()) {
+      zipFile.addFile(path, directoryPath.relative(path).toString(), { compress: true })
+    } else return
+
+    emptyDirectories = without(emptyDirectories, dirname(path))
   })
 
+  emptyDirectories.forEach(p => zipFile.addEmptyDirectory(directoryPath.relative(p).toString()))
+
   zipFile.end()
   await pEvent(zipFile.outputStream, "close")
 }