SConscript.version

import os
import string

Import('env')


def get_version_or_die():
    rv = {'patchnumber': 28, 'major': 2017, 'micro': 1, 'version': '2017.1.1.post28', 'prerelease': None, 'date': '2017-10-26 16:55:47 -0400', 'commit': '60bae12a9055bb3b847657a9d89317465f6a5fe5', 'minor': 1}
    return rv
    from libobjcrystbuildutils import getversion
    try:
        rv = getversion()
    except RuntimeError as e:
        print(e)
        Exit(1)
    return rv


def build_VersionCode(target, source, env):
    tplcode = source[0].get_text_contents()
    numversion = gver['major']
    numversion = 1000 * numversion + gver['minor']
    numversion = 1000 * numversion + gver['micro']
    numversion = 1000 * numversion + gver['patchnumber']
    # verify that formulas in version.tpl work as advertised
    emsg = "Inconsistent value of LIBOBJCRYST_VERSION = %i" % numversion
    assert numversion // 1000000000 == gver['major'], emsg
    assert numversion // 1000000 % 1000 == gver['minor'], emsg
    assert numversion // 1000 % 1000 == gver['micro'], emsg
    assert numversion % 500 == gver['patchnumber'], emsg
    libversion = str(numversion) + "LL"
    if gver['prerelease']:
        libversion = "(-500 + %s)" % libversion
    flds = {
        'LIBOBJCRYST_VERSION' : libversion,
        'LIBOBJCRYST_VERSION_MAJOR' : gver['major'],
        'LIBOBJCRYST_VERSION_MINOR' : gver['minor'],
        'LIBOBJCRYST_VERSION_MICRO' : gver['micro'],
        'LIBOBJCRYST_VERSION_PATCH' : gver['patchnumber'],
        'LIBOBJCRYST_VERSION_STR' : gver['version'],
        'LIBOBJCRYST_VERSION_DATE' : gver['date'],
        'LIBOBJCRYST_GIT_SHA' : gver['commit'],
    }
    versiontemplate = string.Template(tplcode)
    versioncode = versiontemplate.safe_substitute(flds)
    with open(target[0].path, 'w') as fp:
        fp.write(versioncode)
    return None

env.Append(BUILDERS={'BuildVersionCode' :
        Builder(action=build_VersionCode, suffix='.h', src_suffix='.tpl')})

# Targets --------------------------------------------------------------------

vhpp = File('ObjCryst/version.h')

# If version.h does not exists, build it from git metadata
if not os.path.isfile(str(vhpp.srcnode())):
    vtpl = File('ObjCryst/version.tpl')
    gver = get_version_or_die()
    vhpp, = env.BuildVersionCode(['ObjCryst/version.h'], vtpl)
    env.Depends(vhpp, env.Value(gver['version'] + gver['commit']))

env['lib_includes'] += [vhpp]

# vim: ft=python