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# Copyright (C) 2009 Chris Larson <clarson@kergoth.com>
# Released under the MIT license (see COPYING.MIT for the terms)
#
# gitver.bbclass provides a GITVER variable which is a (fairly) sane version,
# for use in ${PV}, extracted from the ${S} git checkout, assuming it is one.
# This is most useful in concert with srctree.bbclass.
GITVER = "${@get_git_pv('${S}', d)}"
def gitver_mark_dependency(d):
from bb.data import expand
from bb.parse import mark_dependency
from os.path import abspath
fn = abspath(expand("${S}/.git/HEAD", d))
mark_dependency(d, fn)
def get_git_pv(path, d, tagadjust=None):
from subprocess import Popen, PIPE
from os.path import join
from bb import error
env = {"GIT_DIR": join(d.getVar("S", True), ".git")}
def popen(cmd, **kwargs):
kwargs["stderr"] = PIPE
kwargs["stdout"] = PIPE
kwargs["env"] = env
try:
pipe = Popen(cmd, **kwargs)
except OSError, e:
#error("Execution of %s failed: %s" % (cmd, e))
return
(stdout, stderr) = pipe.communicate(None)
if pipe.returncode != 0:
#error("Execution of %s failed: %s" % (cmd, stderr))
return
return stdout.rstrip()
gitver_mark_dependency(d)
ver = popen(["git", "describe", "--tags"], cwd=path)
if not ver:
ver = popen(["git", "rev-parse", "--short", "HEAD"], cwd=path)
if ver:
return "0.0-%s" % ver
else:
return "0.0"
else:
if tagadjust:
ver = tagadjust(ver)
return ver
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