From 8336fe72ab8b4a93c54ca775ca88c567cc91c82c Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 12 Jun 2023 15:06:00 +0200
Subject: Check for configuration name/id/path clash before creating/wiping it
 (GH issue #241)

---
 bdep/config.hxx | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

(limited to 'bdep/config.hxx')

diff --git a/bdep/config.hxx b/bdep/config.hxx
index 3c66b72..2b4788a 100644
--- a/bdep/config.hxx
+++ b/bdep/config.hxx
@@ -15,7 +15,9 @@ namespace bdep
   // If type is nullopt, then assume that an existing configuration is being
   // added. If that's the case, query the bpkg configuration type and links
   // and warn the user if any host or build2 configurations are linked, unless
-  // they are already associated with the project.
+  // they are already associated with the project. If dry_run is true, then
+  // make sure the configuration can be added without path/name/id clash but
+  // don't actually add anything, returning NULL.
   //
   shared_ptr<configuration>
   cmd_config_add (const common_options&,
@@ -27,7 +29,8 @@ namespace bdep
                   optional<string>          name,
                   optional<string>          type,
                   optional<uint64_t>        id = nullopt,
-                  const char*               what = "added");
+                  const char*               what = "added",
+                  bool                      dry_run = false);
 
   // Configuration directory should exist and its path should be absolute and
   // normalized.
@@ -41,7 +44,8 @@ namespace bdep
                   bool                    default_ = true,
                   bool                    forward = true,
                   bool                    auto_sync = true,
-                  optional<uint64_t>      id = nullopt);
+                  optional<uint64_t>      id = nullopt,
+                  bool                    dry_run = false);
 
   void
   cmd_config_add_print (diag_record&,
-- 
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