obslog: add display of precursor information to the default template
This will still only be output when the user passes --precursors to the command
(otherwise the data just won't be there).
This addresses a common user request, where they actually would find more
intuitive to use --precursors --no-successors.
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