1 files changed, 76 insertions, 0 deletions
diff --git a/classes/metadata_scm.bbclass b/classes/metadata_scm.bbclass
new file mode 100644
index 0000000000..ffc6a8adfe
--- /dev/null
+++ b/classes/metadata_scm.bbclass
@@ -0,0 +1,76 @@
+METADATA_SCM = "${@base_get_scm(d)}"
+METADATA_REVISION = "${@base_get_scm_revision(d)}"
+METADATA_BRANCH = "${@base_get_scm_branch(d)}"
+
+def base_get_scm(d):
+	from bb import which
+	baserepo = 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 base_get_scm_revision(d):
+	(scm, path) = d.getVar("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 base_get_scm_branch(d):
+	(scm, path) = d.getVar("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>"
+
+def base_get_metadata_monotone_branch(path, d):
+	monotone_branch = "<unknown>"
+	try:
+		monotone_branch = file( "%s/_MTN/options" % path ).read().strip()
+		if monotone_branch.startswith( "database" ):
+			monotone_branch_words = monotone_branch.split()
+			monotone_branch = monotone_branch_words[ monotone_branch_words.index( "branch" )+1][1:-1]
+	except:
+		pass
+	return monotone_branch
+
+def base_get_metadata_monotone_revision(path, d):
+	monotone_revision = "<unknown>"
+	try:
+		monotone_revision = file( "%s/_MTN/revision" % path ).read().strip()
+		if monotone_revision.startswith( "format_version" ):
+			monotone_revision_words = monotone_revision.split()
+			monotone_revision = monotone_revision_words[ monotone_revision_words.index( "old_revision" )+1][1:-1]
+	except IOError:
+		pass
+	return monotone_revision
+
+def base_get_metadata_svn_revision(path, d):
+	revision = "<unknown>"
+	try:
+		revision = file( "%s/.svn/entries" % path ).readlines()[3].strip()
+	except IOError:
+		pass
+	return revision
+
+def base_get_metadata_git_branch(path, d):
+	branch = os.popen('cd %s; PATH=%s git symbolic-ref HEAD 2>/dev/null' % (path, d.getVar("PATH", 1))).read().rstrip()
+
+	if len(branch) != 0:
+		return branch.replace("refs/heads/", "")
+	return "<unknown>"
+
+def base_get_metadata_git_revision(path, d):
+	rev = os.popen("cd %s; PATH=%s git show-ref HEAD 2>/dev/null" % (path, d.getVar("PATH", 1))).read().split(" ")[0].rstrip()
+	if len(rev) != 0:
+		return rev
+	return "<unknown>"