$ git clone -n https://src.fedoraproject.org/rpms/jacktrip.git /var/lib/mock/f41-build-856163-167474/root/chroot_tmpdir/scmroot/jacktrip
Cloning into '/var/lib/mock/f41-build-856163-167474/root/chroot_tmpdir/scmroot/jacktrip'...
$ git fetch origin 322e25f5a391599da6e693b488dd35f34f63dd1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jacktrip
 * [new ref]         322e25f5a391599da6e693b488dd35f34f63dd1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 322e25f Update to 2.4.1