From ba8e0b9f9866b47bc61b49323e4293ba90826e80 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Wed, 18 Aug 2021 15:00:57 +0300
Subject: Add support for config-unlink sub-command

---
 bdep/config.cxx | 47 +++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 45 insertions(+), 2 deletions(-)

(limited to 'bdep/config.cxx')

diff --git a/bdep/config.cxx b/bdep/config.cxx
index d62ad3e..d705355 100644
--- a/bdep/config.cxx
+++ b/bdep/config.cxx
@@ -320,9 +320,10 @@ namespace bdep
           for (string l; !eof (getline (is, l)); )
           {
             if (l.empty ())
+            {
               add_conf ();
-
-            if (l.compare (0, 6, "path: ") == 0)
+            }
+            else if (l.compare (0, 6, "path: ") == 0)
             {
               try
               {
@@ -709,6 +710,47 @@ namespace bdep
   }
 
   static int
+  cmd_config_unlink (const cmd_config_options& o, cli::scanner&)
+  {
+    tracer trace ("config_unlink");
+
+    // Load project configurations.
+    //
+    configurations cfgs;
+    {
+      dir_path prj (find_project (o));
+      database db (open (prj, trace));
+
+      transaction t (db.begin ());
+
+      cfgs = find_configurations (o,
+                                  prj,
+                                  t,
+                                  false /* fallback_default */,
+                                  true  /* validate         */).first;
+
+      t.commit ();
+    }
+
+    if (cfgs.size () != 2)
+      fail << "two configurations must be specified for config unlink";
+
+    // Call bpkg to unlink the configuration.
+    //
+    run_bpkg (2,
+              o,
+              "cfg-unlink",
+              "-d", cfgs[0]->path,
+              cfgs[1]->path);
+
+    if (verb)
+      text << "unlinked configuration " << *cfgs[0] << " from configuration "
+           << *cfgs[1];
+
+    return 0;
+  }
+
+  static int
   cmd_config_list (const cmd_config_options& o, cli::scanner&)
   {
     tracer trace ("config_list");
@@ -1123,6 +1165,7 @@ namespace bdep
     if (c.add    ()) return cmd_config_add    (o, scan);
     if (c.create ()) return cmd_config_create (o, scan);
     if (c.link   ()) return cmd_config_link   (o, scan);
+    if (c.unlink ()) return cmd_config_unlink (o, scan);
     if (c.list   ()) return cmd_config_list   (o, scan);
     if (c.move   ()) return cmd_config_move   (o, scan);
     if (c.rename ()) return cmd_config_rename (o, scan);
-- 
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