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# Copyright AllSeen Alliance. All rights reserved.
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
import getpass
import platform
import os
import re
import sys
from subprocess import *
ver_re = re.compile('int\s+(?P<REL>year|month|feature|bugfix)\s*=\s*\'?(?P<VAL>\w+)\'?\s*;')
def GetBuildInfo(env, source, stderr=PIPE ):
branches = []
tags = []
remotes = []
if env.has_key('GIT'):
try:
remotes = Popen([env['GIT'], 'remote', '-v'], stdout = PIPE, stderr = stderr, cwd = source).communicate()[0].splitlines()
branches = Popen([env['GIT'], 'branch'], stdout = PIPE, stderr = stderr, cwd = source).communicate()[0].splitlines()
tags = Popen([env['GIT'], 'describe', '--always', '--long', '--abbrev=40'], stdout = PIPE, stderr = stderr, cwd = source).communicate()[0].splitlines()
except WindowsError as e:
if e[0] == 2:
try:
project = Popen([env['GIT'], 'remote', '-v'], stdout = PIPE, stderr = stderr, cwd = source).communicate()[0].splitlines()
branches = Popen([env['GIT'] + '.cmd', 'branch'], stdout = PIPE, stderr = stderr, cwd = source).communicate()[0].splitlines()
tags = Popen([env['GIT'] + '.cmd', 'describe', '--always', '--long', '--abbrev=40'], stdout = PIPE, stderr = stderr, cwd = source).communicate()[0].splitlines()
except:
pass
except:
pass
branch = None
for b in branches:
if b[0] == '*':
branch = b[2:]
break
tag = None
commit_delta = None
commit_hash = None
gitname = 'Git'
if remotes:
for l in remotes:
m = re.search( r'^origin\s(?P<url>.*)\s\(fetch\)$', l )
if m:
n = re.search( r'^.*/(?P<gitname>.+)$', m.group('url').strip() )
if n:
gitname = 'Git: %s' % ( n.group('gitname').strip() )
break
if tags:
if tags[0].find('-') >= 0:
tag, commit_delta, commit_hash = tuple(tags[0].rsplit('-',2))
commit_hash = commit_hash[1:] # lop off the "g"
else:
tag = '<none>'
commit_delta = 0;
commit_hash = tags[0]
if branch or commit_hash:
bld_string = gitname
else:
bld_string = ''
if branch:
bld_string += " branch: '%s'" % branch
if commit_hash:
bld_string += " tag: '%s'" % tag
if commit_delta:
bld_string += ' (+%s changes)' % commit_delta
if commit_delta or tag == '<none>':
bld_string += ' commit ref: %s' % commit_hash
return bld_string
def ParseSource(source):
year = 0
month = 0
feature = 0
bugfix = ''
f = open(source, 'r')
lines = f.readlines()
f.close();
for l in lines:
m = ver_re.search(l)
if m:
d = m.groupdict()
if d['REL'] == 'year':
year = int(d['VAL'])
elif d['REL'] == 'month':
month = int(d['VAL'])
elif d['REL'] == 'feature':
feature = int(d['VAL'])
elif d['REL'] == 'bugfix':
if ord(d['VAL']) == ord('0'):
bugfix = ''
else:
bugfix = '%c' % ord(d['VAL'])
return (year, month, feature, bugfix, lines)
def GenVersionAction(source, target, env):
import time
year, month, feature, bugfix, lines = ParseSource(str(source[0]))
fpath = os.path.abspath(os.path.dirname(str(source[0])))
bld_info = GetBuildInfo(env, fpath)
date = time.strftime('%a %b %d %H:%M:%S UTC %Y', time.gmtime())
version_str = 'v%(year)d.%(month)02d.%(feature)02d%(bugfix)s' % ({ 'year': year,
'month': month,
'feature': feature,
'bugfix': bugfix })
build_str = '%(ver)s (Built %(date)s by %(user)s%(bld)s)' % ({
'ver': version_str,
'date': date,
'user': getpass.getuser(),
'bld': (bld_info and ' - ' + bld_info) or '' })
f = open(str(target[0]), 'w')
f.write('/* This file is auto-generated. Do not modify. */\n')
for l in lines:
if l.find('##VERSION_STRING##') >= 0:
f.write(l.replace('##VERSION_STRING##', version_str))
elif l.find('##BUILD_STRING##') >= 0:
f.write(l.replace('##BUILD_STRING##', build_str))
else:
f.write(l)
f.close()
def generate(env):
import SCons.Builder
builders = [ SCons.Builder.Builder(action = GenVersionAction,
suffix = '.cc',
src_suffix = '.cc.in'),
SCons.Builder.Builder(action = GenVersionAction,
suffix = '.c',
src_suffix = '.c.in') ]
env.Append(BUILDERS = { 'GenVersion' : builders[0] })
if env.Detect('git'):
env.AppendUnique(GIT = 'git')
def exists(env):
return true
# "main" calls GetBuildInfo() and prints bld_string on stdout
# "main" takes one argument: path to git workspace (optional)
# "git" executable is expected to be found in PATH
def main( argv=None ):
env = dict()
env['GIT'] = 'git'
source = ''
if argv and argv[0]:
source = argv[0].strip()
if source == '':
source = '.'
bld_string = GetBuildInfo( env, source, stderr=None )
if bld_string and bld_string != '':
print '%s' % ( bld_string )
return 0
else:
sys.stderr.write( 'error, unable to get Git version info\n' )
sys.stderr.flush()
return 1
if __name__ == '__main__':
if len(sys.argv) > 1:
sys.exit(main(sys.argv[1:]))
else:
sys.exit(main())
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