Support for resolving and adding configurations

1 files changed, 93 insertions, 7 deletions

diff --git a/bdep/init.cxx b/bdep/init.cxx
index 1e850b8..2355498 100644
--- a/bdep/init.cxx
+++ b/bdep/init.cxx
@@ -4,7 +4,9 @@
 
 #include <bdep/init.hxx>
 
+#include <bdep/config.hxx>
 #include <bdep/project.hxx>
+#include <bdep/database.hxx>
 #include <bdep/diagnostics.hxx>
 
 using namespace std;
@@ -16,18 +18,102 @@ namespace bdep
   {
     tracer trace ("init");
 
-    //@@ TODO: validate project/config options for sub-modes.
-    //@@ TODO: print project/package(s) being initialized.
-
     project_packages pp (
-      find_project_packages (o,
-                             o.empty () /* ignore_packages */));
+      find_project_packages (o, o.empty () /* ignore_packages */));
 
-    text << pp.project;
+    const dir_path& prj (pp.project);
 
+    text << prj;
     for (const dir_path& d: pp.packages)
-      text << "  " << (pp.project / d);
+      text << "  " << (prj / d);
+
+    // Create .bdep/.
+    //
+    {
+      dir_path d (prj / bdep_dir);
+
+      if (!exists (d))
+        mk (prj / bdep_dir);
+    }
+
+    // Open the database creating it if necessary.
+    //
+    database db (open (pp.project, trace, true /* create */));
+
+    // --empty
+    //
+    bool ca (o.config_add_specified ());
+    bool cc (o.config_create_specified ());
+
+    if (o.empty ())
+    {
+      if (ca) fail << "both --empty and --config-add specified";
+      if (cc) fail << "both --empty and --config-create specified";
+
+      //@@ TODO: what should we do if the database already exists?
+
+      return 0;
+    }
+
+    // Make sure everyone refers to the same objects across all the
+    // transactions.
+    //
+    session s;
+
+    // --config-add/create
+    //
+    configurations cfgs;
+    if (ca || cc)
+    {
+      const char* m (!ca ? "--config-create" :
+                     !cc ? "--config-add"    :
+                     nullptr);
+
+      if (m == nullptr)
+        fail << "both --config-add and --config-create specified";
+
+      optional<string> name;
+      if (size_t n = o.config_name ().size ())
+      {
+        if (n > 1)
+          fail << "multiple configuration names specified for " << m;
+
+        name = o.config_name ()[0];
+      }
+
+      optional<uint64_t> id;
+      if (size_t n = o.config_id ().size ())
+      {
+        if (n > 1)
+          fail << "multiple configuration ids specified for " << m;
+
+        id = o.config_id ()[0];
+      }
+
+      cfgs.push_back (
+        ca
+        ? cmd_config_add (prj,
+                          db,
+                          o.config_add (),
+                          move (name),
+                          nullopt /* default */, // @@ TODO: --[no]-default
+                          move (id))
+        : nullptr); // @@ TODO: create
+
+      // Fall through.
+    }
+
+    transaction t (db.begin ());
+
+    // If this is the default mode, then find the configurations the user
+    // wants us to use.
+    //
+    if (cfgs.empty ())
+      cfgs = find_configurations (prj, t, o);
+
+    //@@ TODO: print project/package(s) being initialized.
 
+    t.commit ();
     return 0;
   }
 }