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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 ${S} git checkout, assuming it is one.
# This is most useful in concert with srctree.bbclass.
def git_drop_tag_prefix(version):
import re
if re.match("v\d", version):
return version[1:]
else:
return version
GIT_TAGADJUST = "git_drop_tag_prefix(version)"
GITVER = "${@get_git_pv('${S}', d, tagadjust=lambda version:${GIT_TAGADJUST})}"
def get_git_pv(path, d, tagadjust=None):
import os
from bb import error
from bb.parse import mark_dependency
import oe.process
gitdir = os.path.abspath(os.path.join(d.getVar("S", True), ".git"))
def git(cmd):
try:
return oe_run(d, ["git"] + cmd, cwd=gitdir).rstrip()
except oe.process.CmdError, exc:
bb.fatal(str(exc))
# Force the recipe to be reparsed so the version gets bumped
# if the active branch is switched, or if the branch changes.
mark_dependency(d, os.path.join(gitdir, "HEAD"))
ref = git(["symbolic-ref", "HEAD"])
if ref:
reffile = os.path.join(gitdir, ref)
if os.path.exists(reffile):
mark_dependency(d, reffile)
else:
mark_dependency(d, os.path.join(gitdir, "index"))
else:
# The ref might be hidden in packed-refs. Force a reparse if anything
# in the working copy changes.
mark_dependency(d, os.path.join(gitdir, "index"))
# Catch new tags.
tagdir = os.path.join(gitdir, "refs", "tags")
if os.path.exists(tagdir):
mark_dependency(d, tagdir)
ver = git(["describe", "--tags"])
if not ver:
ver = git(["rev-parse", "--short", "HEAD"])
if ver:
return "0.0-%s" % ver
else:
return "0.0"
else:
if tagadjust:
ver = tagadjust(ver)
return ver
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