Add support for linked configurations

1 files changed, 8 insertions, 0 deletions

diff --git a/bpkg/utility.hxx b/bpkg/utility.hxx
index 4360118..73dd107 100644
--- a/bpkg/utility.hxx
+++ b/bpkg/utility.hxx
@@ -42,6 +42,11 @@ namespace bpkg
   using butl::icasecmp;
   using butl::reverse_iterate;
 
+  using butl::alpha;
+  using butl::alnum;
+  using butl::digit;
+  using butl::xdigit;
+
   using butl::make_guard;
   using butl::make_exception_guard;
 
@@ -123,6 +128,9 @@ namespace bpkg
     return move (normalize (r, what));
   }
 
+  dir_path
+  current_directory ();
+
   // Progress.
   //
   extern bool stderr_term; // True if stderr is a terminal.