$ git clone -n https://src.fedoraproject.org/rpms/kf5-threadweaver.git /var/lib/mock/f39-build-2186445-51343/root/chroot_tmpdir/scmroot/kf5-threadweaver
Cloning into '/var/lib/mock/f39-build-2186445-51343/root/chroot_tmpdir/scmroot/kf5-threadweaver'...
$ git fetch origin 6e857321f53de72b1f918c2ebc3974e44b555e10:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-threadweaver
 * [new ref]         6e857321f53de72b1f918c2ebc3974e44b555e10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e85732 5.113.0