From 0fb8bc472aafaacb6bff3b9f6a3af2df1aa8dc8a Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Fri, 16 Aug 2019 17:57:54 +0300
Subject: Fix uncaught invalid_path exception

---
 bdep/config.cxx  |  9 +++------
 bdep/new.cxx     | 20 ++++++++------------
 bdep/project.cxx |  7 ++-----
 bdep/sync.cxx    |  3 +--
 bdep/utility.cxx | 19 +++++++++++++++++++
 bdep/utility.hxx | 13 +++++++++++++
 6 files changed, 46 insertions(+), 25 deletions(-)

diff --git a/bdep/config.cxx b/bdep/config.cxx
index f207bad..d8cf33a 100644
--- a/bdep/config.cxx
+++ b/bdep/config.cxx
@@ -158,8 +158,7 @@ namespace bdep
     // Make sure the configuration path is absolute and normalized. Also
     // derive relative to project directory path if possible.
     //
-    path.complete ();
-    path.normalize ();
+    normalize (path, "configuration");
 
     verify_configuration_path (path, prj, pkgs);
 
@@ -272,8 +271,7 @@ namespace bdep
     //
     translate_path_name (prj, path, name);
 
-    path.complete ();
-    path.normalize ();
+    normalize (path, "configuration");
 
     verify_configuration_path (path, prj, pkgs);
 
@@ -469,8 +467,7 @@ namespace bdep
         if (!exists (path))
           fail << "configuration directory " << path << " does not exist";
 
-        path.complete ();
-        path.normalize ();
+        normalize (path, "configuration");
       }
       catch (const invalid_path&)
       {
diff --git a/bdep/new.cxx b/bdep/new.cxx
index a69508d..160a9ce 100644
--- a/bdep/new.cxx
+++ b/bdep/new.cxx
@@ -491,17 +491,17 @@ namespace bdep
       if (o.package () || o.subdirectory ())
       {
         if (o.directory_specified ())
-          (prj = o.directory ()).complete ().normalize ();
+          prj = normalize (o.directory (), "project");
         else
           prj = current_directory ();
 
         out = o.output_dir_specified () ? o.output_dir () : prj / dir_path (n);
-        out.complete ().normalize ();
+        normalize (out, "output");
       }
       else
       {
         out = o.output_dir_specified () ? o.output_dir () : dir_path (n);
-        out.complete ().normalize ();
+        normalize (out, "output");
         prj = out;
       }
 
@@ -2152,19 +2152,15 @@ namespace bdep
 
     auto output_parent_dir = [&o] ()
     {
-      return o.output_dir ().directory ().complete ().normalize ();
+      return normalize (o.output_dir (), "output");
     };
 
     if (o.package () || o.subdirectory ())
     {
-      auto project_dir = [&o] ()
-      {
-        return dir_path (o.directory ()).complete ().normalize ();
-      };
-
-      start_dir = o.output_dir_specified () ? output_parent_dir () :
-                  o.directory_specified  () ? project_dir ()       :
-                  current_directory ();
+      start_dir =
+        o.output_dir_specified () ? output_parent_dir ()                  :
+        o.directory_specified  () ? normalize (o.directory (), "project") :
+        current_directory ();
 
       // Get the actual project directory.
       //
diff --git a/bdep/project.cxx b/bdep/project.cxx
index 21f6f09..7f80c9f 100644
--- a/bdep/project.cxx
+++ b/bdep/project.cxx
@@ -62,8 +62,7 @@ namespace bdep
     {
       for (dir_path d: po.config ())
       {
-        d.complete ();
-        d.normalize ();
+        normalize (d, "configuration");
 
         if (auto c = db.query_one<configuration> (query::path == d.string ()))
           add (move (c));
@@ -135,9 +134,7 @@ namespace bdep
     dir_path prj;
     optional<dir_path> pkg;
 
-    dir_path d (start);
-    d.complete ();
-    d.normalize ();
+    dir_path d (normalize (start, "project"));
     for (; !d.empty (); d = d.directory ())
     {
       // Ignore errors when checking for file existence since we may be
diff --git a/bdep/sync.cxx b/bdep/sync.cxx
index ab2fb2b..26781eb 100644
--- a/bdep/sync.cxx
+++ b/bdep/sync.cxx
@@ -741,8 +741,7 @@ namespace bdep
 
       for (dir_path d: o.config ())
       {
-        d.complete ();
-        d.normalize ();
+        normalize (d, "configuration");
 
         if (open && d.string () == *open)
           continue;
diff --git a/bdep/utility.cxx b/bdep/utility.cxx
index 9c8057e..148610b 100644
--- a/bdep/utility.cxx
+++ b/bdep/utility.cxx
@@ -95,6 +95,25 @@ namespace bdep
     }
   }
 
+  dir_path&
+  normalize (dir_path& d, const char* what)
+  {
+    try
+    {
+      d.complete ().normalize ();
+    }
+    catch (const invalid_path& e)
+    {
+      fail << "invalid " << what << " directory " << e.path;
+    }
+    catch (const system_error& e)
+    {
+      fail << "unable to obtain current directory: " << e;
+    }
+
+    return d;
+  }
+
   bool
   exists (const path& f, bool ignore_error)
   {
diff --git a/bdep/utility.hxx b/bdep/utility.hxx
index 133896f..7f02b3c 100644
--- a/bdep/utility.hxx
+++ b/bdep/utility.hxx
@@ -119,6 +119,19 @@ namespace bdep
   dir_path
   current_directory ();
 
+  // Normalize a directory path. Also make the relative path absolute using
+  // the current directory.
+  //
+  dir_path&
+  normalize (dir_path&, const char* what);
+
+  inline dir_path
+  normalize (const dir_path& d, const char* what)
+  {
+    dir_path r (d);
+    return move (normalize (r, what));
+  }
+
   // Progress.
   //
   extern bool stderr_term; // True if stderr is a terminal.
-- 
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