$ git clone -n https://src.fedoraproject.org/rpms/retsnoop.git /var/lib/mock/f41-build-835690-158621/root/chroot_tmpdir/scmroot/retsnoop
Cloning into '/var/lib/mock/f41-build-835690-158621/root/chroot_tmpdir/scmroot/retsnoop'...
$ git fetch origin 7c483873eecbd6193806dd2d79c5f3072e1cd0fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/retsnoop
 * [new ref]         7c483873eecbd6193806dd2d79c5f3072e1cd0fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c48387 Bump addrline from 0.21 to 0.24