From fd689eb883655dcb29e505b041cd02fac01f0bac Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 27 Aug 2015 15:11:40 +0200
Subject: Dist module/meta-operation initial implementation

---
 build/dist/module.cxx | 130 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 build/dist/module.cxx

(limited to 'build/dist/module.cxx')

diff --git a/build/dist/module.cxx b/build/dist/module.cxx
new file mode 100644
index 0000000..7b9b340
--- /dev/null
+++ b/build/dist/module.cxx
@@ -0,0 +1,130 @@
+// file      : build/dist/module.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <build/dist/module>
+
+#include <build/scope>
+#include <build/file>
+#include <build/diagnostics>
+
+#include <build/config/utility>
+
+#include <build/dist/rule>
+#include <build/dist/operation>
+
+using namespace std;
+using namespace butl;
+
+namespace build
+{
+  namespace dist
+  {
+    static rule rule_;
+
+    extern "C" void
+    dist_init (scope& r,
+               scope& b,
+               const location& l,
+               std::unique_ptr<module>&,
+               bool first)
+    {
+      tracer trace ("dist::init");
+
+      if (&r != &b)
+        fail (l) << "dist module must be initialized in bootstrap.build";
+
+      if (!first)
+      {
+        warn (l) << "multiple dist module initializations";
+        return;
+      }
+
+      const dir_path& out_root (r.path ());
+      level4 ([&]{trace << "for " << out_root;});
+
+      // Register meta-operation.
+      //
+      r.meta_operations.insert (dist_id, dist);
+
+      // Register our wildcard rule. Do it explicitly for the alias
+      // to prevent something like insert<target>(dist_id, test_id)
+      // taking precedence.
+      //
+      r.rules.insert<target> (dist_id, 0, "dist", rule_);
+      r.rules.insert<alias> (dist_id, 0, "dist", rule_);
+
+      // Enter module variables.
+      //
+      if (first)
+      {
+        variable_pool.find ("dist.package", string_type);
+
+        variable_pool.find ("dist.root", dir_path_type);
+        variable_pool.find ("config.dist.root", dir_path_type);
+
+        //@@ VAR type
+        //
+        variable_pool.find ("dist.cmd", string_type);
+        variable_pool.find ("config.dist.cmd", string_type);
+
+        variable_pool.find ("dist.archives", strings_type);
+        variable_pool.find ("config.dist.archives", strings_type);
+      }
+
+      // Configuration.
+      //
+      // Note that we don't use any defaults for root -- the location
+      // must be explicitly specified or we will complain if and when
+      // we try to dist.
+      //
+      using namespace config;
+
+      bool s (specified (r, "config.dist"));
+
+      // dist.root
+      //
+      {
+        value& v (r.assign ("dist.root"));
+
+        if (s)
+        {
+          const value& cv (optional_absolute (r, "config.dist.root"));
+
+          if (cv && !cv.empty ())
+            v = cv;
+        }
+      }
+
+      // dist.cmd
+      //
+      {
+        value& v (r.assign ("dist.cmd"));
+
+        if (s)
+        {
+          const value& cv (required (r, "config.dist.cmd", "install").first);
+
+          if (cv && !cv.empty ())
+            v = cv;
+        }
+        else
+          v = "install";
+      }
+
+      // dist.archives
+      //
+      {
+        value& v (r.assign ("dist.archives"));
+
+        if (s)
+        {
+          const value& cv (optional (r, "config.dist.archives"));
+
+          if (cv && !cv.empty ())
+            v = cv;
+        }
+      }
+    }
+  }
+}
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