From eb16296f88ce0fdb4a98a08950b58a346a6e2bd9 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 22 Dec 2015 18:56:16 +0200
Subject: Log brep and libs version on web server startup

---
 brep/module                      |  8 ++++++++
 brep/module.cxx                  |  7 +++++++
 brep/package-version-details.cxx |  1 +
 brep/repository-root             |  3 +++
 brep/repository-root.cxx         | 12 ++++++++++++
 5 files changed, 31 insertions(+)

(limited to 'brep')

diff --git a/brep/module b/brep/module
index 80a0a56..5e6a181 100644
--- a/brep/module
+++ b/brep/module
@@ -165,6 +165,14 @@ namespace brep
     virtual bool
     handle (request&, response&, log&);
 
+    virtual void
+    version (log&);
+
+    // Can be overriden by the module implementation to log version, etc.
+    //
+    virtual void
+    version () {}
+
     name_values
     expand_options (const name_values&);
 
diff --git a/brep/module.cxx b/brep/module.cxx
index 283731e..e2b99af 100644
--- a/brep/module.cxx
+++ b/brep/module.cxx
@@ -337,6 +337,13 @@ namespace brep
     }
   }
 
+  void module::
+  version (log& l)
+  {
+    log_ = &l;
+    version ();
+  }
+
   // module::name_value_scanner
   //
   module::name_value_scanner::
diff --git a/brep/package-version-details.cxx b/brep/package-version-details.cxx
index 9bc06f6..0300b88 100644
--- a/brep/package-version-details.cxx
+++ b/brep/package-version-details.cxx
@@ -48,6 +48,7 @@ handle (request& rq, response& rs)
 {
   using namespace web;
   using namespace web::xhtml;
+  using brep::version; // Not to confuse with module::version.
 
   MODULE_DIAG;
 
diff --git a/brep/repository-root b/brep/repository-root
index 2397764..006f163 100644
--- a/brep/repository-root
+++ b/brep/repository-root
@@ -38,6 +38,9 @@ namespace brep
     virtual void
     init (cli::scanner&);
 
+    virtual void
+    version ();
+
   private:
     shared_ptr<package_search> package_search_;
     shared_ptr<package_details> package_details_;
diff --git a/brep/repository-root.cxx b/brep/repository-root.cxx
index 7af76b2..5711109 100644
--- a/brep/repository-root.cxx
+++ b/brep/repository-root.cxx
@@ -10,6 +10,7 @@
 
 #include <brep/types>
 #include <brep/utility>
+#include <brep/version>
 
 #include <brep/module>
 #include <brep/options>
@@ -187,4 +188,15 @@ namespace brep
 
     return false;
   }
+
+  void repository_root::
+  version ()
+  {
+    MODULE_DIAG;
+
+    info << "module " << BREP_VERSION_STR
+         << ", libbrep " << LIBBREP_VERSION_STR
+         << ", libbpkg " << LIBBPKG_VERSION_STR
+         << ", libbutl " << LIBBUTL_VERSION_STR;
+  }
 }
-- 
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