# -*- mode: python; -*-

# This SConscript describes construction of buildinfo.cpp, which is independent of the
# build variant's target.

import os
import sys

import buildscripts.utils

Import('env windows')

def getSysInfo():
    if windows:
        return "windows " + str( sys.getwindowsversion() )
    else:
        return " ".join( os.uname() )

buildinfo_filename = '#build/buildinfo.cpp'

buildinfo_template = '''
#include <string>
#include <boost/version.hpp>

#include "mongo/util/version.h"

namespace mongo {
    const char * gitVersion() { return "%(git_version)s"; }
    std::string sysInfo() { return "%(sys_info)s BOOST_LIB_VERSION=" BOOST_LIB_VERSION ; }
}  // namespace mongo
'''

def generate_buildinfo(env, target, source, **kw):
    git_version = buildscripts.utils.getGitVersion()
    if env["MONGO_MODULES"]:
        git_version += " modules: %s" % (", ".join(env["MONGO_MODULES"].keys()))

    contents = str(source[0]) % dict(git_version=git_version,
                                     sys_info=getSysInfo())
    out = open(str(target[0]), 'wb')
    try:
        out.write(contents)
    finally:
        out.close()

env.Command(buildinfo_filename, Value(buildinfo_template), generate_buildinfo)
env.AlwaysBuild(buildinfo_filename)
env.Install('$BUILD_DIR/mongo', buildinfo_filename)
env.Install('$BUILD_DIR/client_build/mongo', buildinfo_filename)