# HG changeset patch
# User Daniel J Sebald <daniel.sebald@ieee.org>
# Date 1580545494 18000
# Node ID 673fb7081ebe09a81cf2fedbc0ea22877b8ff3e2
# Parent  367ab44d18c85fb0d72191c0c720f9f6a10004a8
Supply folder field for dir() on Windows UNC shares (bug #57664).

* dir.m: Don't call canonicalize_file_name() on paths that look like Windows UNC
  shares.

diff -r 367ab44d18c8 -r 673fb7081ebe scripts/miscellaneous/dir.m
--- a/scripts/miscellaneous/dir.m	Sat Feb 01 10:57:35 2020 +0100
+++ b/scripts/miscellaneous/dir.m	Sat Feb 01 03:24:54 2020 -0500
@@ -156,7 +156,12 @@
         if (! is_same_file (last_dir, tmpdir))
           ## Caching mechanism to speed up function
           last_dir = tmpdir;
-          last_absdir = canonicalize_file_name (last_dir);
+          if (ispc () && strncmp (last_dir, '\\', 2))
+            ## Windows UNC network file name is used as is
+            last_absdir = last_dir;
+          else
+            last_absdir = canonicalize_file_name (last_dir);
+          endif
         endif
         info(cnt).folder = last_absdir;
         lt = localtime (st.mtime);