templatekw: fix crash on multiple latesttags resolution at wdir (
issue6055)
It appears not easy to fix only() to support wdir(), so this patch works
around the issue by getlatesttags(). The "+1" after len(changes) doesn't
matter since ctx never changes while sorting. It's just for clarity.
{
"conduit_uri": "https://phab.mercurial-scm.org/api",
"repository.callsign": "HG",
"arc.land.onto.default": "@",
"base": "hg:.^"
}