fix: concurrently hard linking a directory (#10181)

close #10179

.changeset/fruity-lands-laugh.md

@@ -0,0 +1,6 @@
+---
+"@pnpm/fs.hard-link-dir": patch
+"pnpm": patch
+---
+
+Don't crash when two processes of pnpm are hardlinking the contents of a directory to the same destination simultaneously [#10179](https://github.com/pnpm/pnpm/issues/10179).

fs/hard-link-dir/src/index.ts

@@ -5,7 +5,7 @@ import fs from 'fs'
 import { globalWarn } from '@pnpm/logger'
 import gfs from '@pnpm/graceful-fs'
 import { sync as renameOverwrite } from 'rename-overwrite'
-import { fastPathTemp as pathTemp } from 'path-temp'
+import pathTemp from 'path-temp'
 
 export function hardLinkDir (src: string, destDirs: string[]): void {
   if (destDirs.length === 0) return
@@ -17,7 +17,7 @@ export function hardLinkDir (src: string, destDirs: string[]): void {
       continue
     }
     filteredDestDirs.push(destDir)
-    tempDestDirs.push(pathTemp(destDir))
+    tempDestDirs.push(pathTemp(path.dirname(destDir)))
   }
   _hardLinkDir(src, tempDestDirs, true)
   for (let i = 0; i < filteredDestDirs.length; i++) {