[Backport release-25.05] pnpm.configHook: prevent hard linking on file systems without clone support (#429637)

pkgs/development/tools/pnpm/fetch-deps/pnpm-config-hook.sh

@@ -36,6 +36,10 @@ pnpmConfigHook() {
 
     pnpm config set store-dir "$STORE_PATH"
 
+    # Prevent hard linking on file systems without clone support.
+    # See: https://pnpm.io/settings#packageimportmethod
+    pnpm config set package-import-method clone-or-copy
+
     if [[ -n "$pnpmWorkspace" ]]; then
         echo "'pnpmWorkspace' is deprecated, please migrate to 'pnpmWorkspaces'."
         exit 2