Allow specifying directory component as part of package name in bdep-new

The behavior is equivalent to specifying the directory with --output-dir|-o:

bdep new foo/hello
bdep new -o foo/hello hello

2 files changed, 33 insertions, 0 deletions

diff --git a/bdep/new.cli b/bdep/new.cli
index 3ec489c..cdc84c3 100644
--- a/bdep/new.cli
+++ b/bdep/new.cli
@@ -44,6 +44,9 @@ namespace bdep
      \cb{--source} first create according to <spec> a new \cb{build2}
      project/package called <name> in the <name> subdirectory of the current
      working directory (unless overridden with \c{\b{--output-dir}|\b{-o}}).
+     If <name> contains a directory component, then the project/package is
+     created in this directory, as if it was specified with
+     \c{\b{--output-dir}|\b{-o}}.
 
      The first form then, unless the \cb{--no-init} option is specified,
      initializes an empty project database as if by executing the
diff --git a/bdep/new.cxx b/bdep/new.cxx
index 2a8a52d..e870648 100644
--- a/bdep/new.cxx
+++ b/bdep/new.cxx
@@ -524,7 +524,37 @@ cmd_new (cmd_new_options&& o, cli::group_scanner& args)
   //
   string a;
   if (args.more ())
+  {
     a = args.next ();
+
+    // Reduce name with a directory component to the simple name with
+    // --output-dir case.
+    //
+    if (path::traits_type::find_separator (a) != string::npos)
+    {
+      try
+      {
+        dir_path p (move (a));
+        a = p.leaf ().string ();
+
+        if (!p.simple ())
+        {
+          if (o.output_dir_specified ())
+          {
+            fail << "both --output-dir|-o and directory component in name "
+                 << "specified";
+          }
+
+          o.output_dir (move (p));
+          o.output_dir_specified (true);
+        }
+      }
+      catch (const invalid_path& e)
+      {
+        fail << "invalid path '" << e.path << "'";
+      }
+    }
+  }
   else
   {
     if (!o.output_dir_specified ())