From f3cac67d4467a5e01cef503f59026e08b84266d8 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 16 Jul 2020 06:14:39 +0200
Subject: Create glue buildfile in bdep-new --package mode

---
 NEWS         |  3 +++
 bdep/new.cxx | 26 +++++++++++++++++++++++++-
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index c7da512..7d9cdd3 100644
--- a/NEWS
+++ b/NEWS
@@ -12,6 +12,9 @@ Version 0.13.0
     See the SOURCE LAYOUT section in bdep-new(1) for details and a large
     number of layout examples.
 
+  * The bdep-new command in the --package mode now creates the glue buildfile
+    for the project.
+
   * The bdep-new command now generates the .gitattributes file.
 
   * The bdep-new --subdirectory mode option has been renamed to --source.
diff --git a/bdep/new.cxx b/bdep/new.cxx
index 8a180ec..8f025ff 100644
--- a/bdep/new.cxx
+++ b/bdep/new.cxx
@@ -2833,7 +2833,7 @@ cmd_new (cmd_new_options&& o, cli::group_scanner& args)
   for (auto& rm: rms)
     rm.cancel ();
 
-  // packages.manifest
+  // packages.manifest and glue buildfile
   //
   if (pkg)
   {
@@ -2852,6 +2852,30 @@ cmd_new (cmd_new_options&& o, cli::group_scanner& args)
     {
       fail << "unable to write to " << f << ": " << e;
     }
+
+    // Only create the glue buildfile if we've also created packages.manifest.
+    //
+    if (!e)
+    {
+      path f (prj / buildfile_file);
+      if (!exists (f))
+      try
+      {
+        ofdstream os (f, (fdopen_mode::out    |
+                          fdopen_mode::create |
+                          fdopen_mode::exclusive));
+        os << "# Glue buildfile that \"pulls\" all the packages in the project." << '\n'
+           << "#"                                                      << '\n'
+           << "import pkgs = */"                                       << '\n'
+           <<                                                             '\n'
+           << "./: $pkgs"                                              << '\n';
+        os.close ();
+      }
+      catch (const io_error& e)
+      {
+        fail << "unable to write to " << f << ": " << e;
+      }
+    }
   }
 
   // Run post hooks.
-- 
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