From 5b9e70290b3d25042fdca119ca5a058d8b37f458 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 25 Apr 2024 08:00:21 +0200
Subject: Skip hidden filesystem entries when looking for subprojects

---
 libbuild2/dist/operation.cxx |  2 +-
 libbuild2/file.cxx           | 11 +++++++++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/libbuild2/dist/operation.cxx b/libbuild2/dist/operation.cxx
index cd88eac..cfc90cf 100644
--- a/libbuild2/dist/operation.cxx
+++ b/libbuild2/dist/operation.cxx
@@ -156,7 +156,7 @@ namespace build2
         {
           const path& n (e.path ());
 
-          if (n.string ()[0] != '.')
+          if (!n.empty () && n.string ().front () != '.')
           try
           {
             if (e.type () == entry_type::directory) // Can throw.
diff --git a/libbuild2/file.cxx b/libbuild2/file.cxx
index c0957ad..18147a2 100644
--- a/libbuild2/file.cxx
+++ b/libbuild2/file.cxx
@@ -859,6 +859,13 @@ namespace build2
       for (const dir_entry& de:
              dir_iterator (d, dir_iterator::detect_dangling))
       {
+        const path& n (de.path ());
+
+        // Skip hidden entries.
+        //
+        if (n.empty () || n.string ().front () == '.')
+          continue;
+
         if (de.type () != entry_type::directory)
         {
           if (de.type () == entry_type::unknown)
@@ -867,13 +874,13 @@ namespace build2
 
             warn << "skipping "
                  << (sl ? "dangling symlink" : "inaccessible entry") << ' '
-                 << d / de.path ();
+                 << d / n;
           }
 
           continue;
         }
 
-        dir_path sd (d / path_cast<dir_path> (de.path ()));
+        dir_path sd (d / path_cast<dir_path> (n));
 
         bool src (false);
         optional<bool> altn;
-- 
cgit v1.1