commands: rewrite legacy ternary operator hack using modern syntax
Differential Revision: https://phab.mercurial-scm.org/D1885
--- a/mercurial/commands.py Wed Jan 17 20:07:25 2018 -0500
+++ b/mercurial/commands.py Wed Jan 17 20:07:53 2018 -0500
@@ -1219,7 +1219,7 @@
raise error.Abort(_("--base is incompatible with specifying "
"a destination"))
common = [repo.lookup(rev) for rev in base]
- heads = revs and map(repo.lookup, revs) or None
+ heads = map(repo.lookup, revs) if revs else None
outgoing = discovery.outgoing(repo, common, heads)
else:
dest = ui.expandpath(dest or 'default-push', dest or 'default')