From 1cf1603cae3064aff734f52d23c06098e81a8111 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 28 Jul 2015 15:01:10 +0200
Subject: Install module genesis

---
 build/install/module        |  21 +++++++++
 build/install/module.cxx    | 105 ++++++++++++++++++++++++++++++++++++++++++++
 build/install/operation     |  18 ++++++++
 build/install/operation.cxx |  34 ++++++++++++++
 4 files changed, 178 insertions(+)
 create mode 100644 build/install/module
 create mode 100644 build/install/module.cxx
 create mode 100644 build/install/operation
 create mode 100644 build/install/operation.cxx

(limited to 'build/install')

diff --git a/build/install/module b/build/install/module
new file mode 100644
index 0000000..240d034
--- /dev/null
+++ b/build/install/module
@@ -0,0 +1,21 @@
+// file      : build/install/module -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef BUILD_INSTALL_MODULE
+#define BUILD_INSTALL_MODULE
+
+#include <build/types>
+#include <build/module>
+
+namespace build
+{
+  namespace install
+  {
+    extern "C" void
+    install_init (
+      scope&, scope&, const location&, std::unique_ptr<module>&, bool);
+  }
+}
+
+#endif // BUILD_INSTALL_MODULE
diff --git a/build/install/module.cxx b/build/install/module.cxx
new file mode 100644
index 0000000..dc88ec2
--- /dev/null
+++ b/build/install/module.cxx
@@ -0,0 +1,105 @@
+// file      : build/install/module.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <build/install/module>
+
+#include <build/scope>
+#include <build/target>
+#include <build/rule>
+#include <build/diagnostics>
+
+#include <build/config/utility>
+
+#include <build/install/operation>
+
+using namespace std;
+using namespace butl;
+
+namespace build
+{
+  namespace install
+  {
+    // Set install.<name> values based on config.install.<name> values
+    // or the defaults.
+    //
+    static void
+    set_dir (scope& r, const char* name, const char* path, const char* mode)
+    {
+      string vn ("config.install.");
+      vn += name;
+
+      const list_value* pv (config::optional<list_value> (r, vn));
+
+      vn += ".mode";
+      const list_value* mv (config::optional<list_value> (r, vn));
+
+      vn = "install.";
+      vn += name;
+      auto p (r.assign (vn));
+
+      if (pv != nullptr && !pv->empty ())
+        p = *pv;
+      else if (path != nullptr)
+        p = path;
+
+      vn += ".mode";
+      auto m (r.assign (vn));
+
+      if (mv != nullptr && !mv->empty ())
+        p = *mv;
+      else if (mode != nullptr)
+        p = mode;
+    }
+
+    extern "C" void
+    install_init (scope& root,
+                  scope& base,
+                  const location& l,
+                  unique_ptr<build::module>&,
+                  bool first)
+    {
+      tracer trace ("install::init");
+
+      if (&root != &base)
+        fail (l) << "install module must be initialized in bootstrap.build";
+
+      if (!first)
+      {
+        warn (l) << "multiple install module initializations";
+        return;
+      }
+
+      const dir_path& out_root (root.path ());
+      level4 ([&]{trace << "for " << out_root;});
+
+      // Register the install operation.
+      //
+      operation_id install_id (root.operations.insert (install));
+
+      {
+        auto& rs (base.rules);
+
+        // Register the standard alias rule for the install operation.
+        //
+        rs.insert<alias> (install_id, "alias", alias_rule::instance);
+      }
+
+      // Configuration.
+      //
+      // Note that we don't use any defaults -- the location must
+      // be explicitly specified or the installer will complain if
+      // and when we try to install.
+      //
+      if (first)
+      {
+        set_dir (root, "root", nullptr, nullptr);
+        set_dir (root, "data_root", "root", "644");
+        set_dir (root, "exec_root", "root", "755");
+
+        set_dir (root, "bin", "exec_root/bin", nullptr);
+        set_dir (root, "sbin", "exec_root/sbin", nullptr);
+      }
+    }
+  }
+}
diff --git a/build/install/operation b/build/install/operation
new file mode 100644
index 0000000..2763d10
--- /dev/null
+++ b/build/install/operation
@@ -0,0 +1,18 @@
+// file      : build/install/operation -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef BUILD_INSTALL_OPERATION
+#define BUILD_INSTALL_OPERATION
+
+#include <build/operation>
+
+namespace build
+{
+  namespace install
+  {
+    extern operation_info install;
+  }
+}
+
+#endif // BUILD_INSTALL_OPERATION
diff --git a/build/install/operation.cxx b/build/install/operation.cxx
new file mode 100644
index 0000000..1ba001f
--- /dev/null
+++ b/build/install/operation.cxx
@@ -0,0 +1,34 @@
+// file      : build/install/operation.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <build/install/operation>
+
+#include <build/config/operation>
+
+using namespace std;
+using namespace butl;
+
+namespace build
+{
+  namespace install
+  {
+    static operation_id
+    install_pre (meta_operation_id mo)
+    {
+      // Run update as a pre-operation, unless we are disfiguring.
+      //
+      return mo != config::disfigure_id ? update_id : 0;
+    }
+
+    operation_info install {
+      "install",
+      "install",
+      "installing",
+      "has nothing to install", // We cannot "be installed".
+      execution_mode::first,
+      &install_pre,
+      nullptr
+    };
+  }
+}
-- 
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