From 61cdde35094fc655eac2e6968b465f217e91d0ac Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 14 May 2018 16:06:18 +0200
Subject: Add --wipe option to configuration creating commands

---
 bdep/config.cxx  | 13 +++++++++++--
 bdep/init.cxx    |  3 +++
 bdep/new.cxx     |  3 +++
 bdep/project.cli |  6 ++++++
 4 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/bdep/config.cxx b/bdep/config.cxx
index 28289fb..70441cc 100644
--- a/bdep/config.cxx
+++ b/bdep/config.cxx
@@ -174,7 +174,12 @@ namespace bdep
       while (cfg_args.more ())
         args.push_back (cfg_args.next ());
 
-      run_bpkg (2, co, "create", "-d", path, args);
+      run_bpkg (2,
+                co,
+                "create",
+                "-d", path,
+                (ao.wipe () ? "--wipe" : nullptr),
+                args);
     }
 
     return cmd_config_add (ao,
@@ -233,7 +238,8 @@ namespace bdep
             o.forward ()      ? "--forward"      :
             o.no_forward ()   ? "--no-forward"   :
             o.auto_sync ()    ? "--auto-sync"    :
-            o.no_auto_sync () ? "--no-auto-sync" : nullptr);
+            o.no_auto_sync () ? "--no-auto-sync" :
+            o.wipe ()         ? "--wipe"         : nullptr);
   }
 
   int
@@ -252,6 +258,9 @@ namespace bdep
     {
       if (!(c.add () || c.create () || c.set ()))
         fail << n << " not valid for this command";
+
+      if (o.wipe () && !c.create ())
+        fail << "--wipe is not valid for this command";
     }
 
     // --all
diff --git a/bdep/init.cxx b/bdep/init.cxx
index 9fe4334..1ea55e9 100644
--- a/bdep/init.cxx
+++ b/bdep/init.cxx
@@ -148,6 +148,9 @@ namespace bdep
     {
       if (!ca && !cc)
         fail << n << " specified without --config-(add|create)";
+
+      if (o.wipe () && !cc)
+        fail << "--wipe specified without --config-create";
     }
 
     project_packages pp (
diff --git a/bdep/new.cxx b/bdep/new.cxx
index b04aba3..7b579fa 100644
--- a/bdep/new.cxx
+++ b/bdep/new.cxx
@@ -44,6 +44,9 @@ namespace bdep
     {
       if (!ca && !cc)
         fail << n << " specified without --config-(add|create)";
+
+      if (o.wipe () && !cc)
+        fail << "--wipe specified without --config-create";
     }
 
     // Validate type options.
diff --git a/bdep/project.cli b/bdep/project.cli
index e62daf2..0053c19 100644
--- a/bdep/project.cli
+++ b/bdep/project.cli
@@ -42,6 +42,12 @@ namespace bdep
       "Don't make the added or created configuration automatically
        synchronized."
     }
+
+    bool --wipe
+    {
+      "Wipe the configuration directory clean before creating the new
+       configuration."
+    }
   };
 
   // Common options for commands that accept --config-id and @<cfg-name>.
-- 
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