bundleoperation: pass the source argument from all the users
We now have a source attribute to the bundle2.bundleoperation class which stores
the operation which leads to the current bundling/unbundling. Let's make sure we
pass source argument from all the users of the command.
Differential Revision: https://phab.mercurial-scm.org/D2995
{
"conduit_uri": "https://phab.mercurial-scm.org/api",
"repository.callsign": "HG",
"arc.land.onto.default": "@",
"base": "hg:.^"
}