CORECDP_METADATA_SCM = "${@corecdp_get_scm(d)}"
CORECDP_METADATA_REVISION = "${@corecdp_get_scm_revision(d)}"
CORECDP_METADATA_BRANCH = "${@corecdp_get_scm_branch(d)}"

def corecdp_get_scm(d):
	from bb import which
	baserepo = os.path.dirname(os.path.dirname(os.path.dirname(which(d.getVar("BBPATH", 1), "classes/base.bbclass"))))
	for (scm, scmpath) in {"svn": ".svn",
			       "git": ".git",
			       "monotone": "_MTN"}.iteritems():
		if os.path.exists(os.path.join(baserepo, scmpath)):
			return "%s %s" % (scm, baserepo)
	return "<unknown> %s" % baserepo

def corecdp_get_scm_revision(d):
	(scm, path) = d.getVar("CORECDP_METADATA_SCM", 1).split()
	try:
		if scm != "<unknown>":
			return globals()["base_get_metadata_%s_revision" % scm](path, d)
		else:
			return scm
	except KeyError:
		return "<unknown>"

def corecdp_get_scm_branch(d):
	(scm, path) = d.getVar("CORECDP_METADATA_SCM", 1).split()
	try:
		if scm != "<unknown>":
			return globals()["base_get_metadata_%s_branch" % scm](path, d)
		else:
			return scm
	except KeyError:
		return "<unknown>"