obscache: use self instead of repo in obscacherepo.updatecaches()
Referring to repo here was somehow preventing it from being garbage-collected
(important in hgweb, where currently every request gets a new repo).
import hghave
@hghave.check("docgraph-ext", "Extension to generate graph from repository")
def docgraph():
try:
import hgext.docgraph
hgext.docgraph.cmdtable # trigger import
except ImportError:
try:
import hgext3rd.docgraph
hgext3rd.docgraph.cmdtable # trigger import
except ImportError:
return False
return True