$ git clone -n https://src.fedoraproject.org/rpms/argparse.git /var/lib/mock/f41-build-side-1-2631844-25743/root/chroot_tmpdir/scmroot/argparse
Cloning into '/var/lib/mock/f41-build-side-1-2631844-25743/root/chroot_tmpdir/scmroot/argparse'...
$ git fetch origin 95b04a59cec1368a4b0aa37b7c664f28ce5e5717:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/argparse
 * [new ref]         95b04a59cec1368a4b0aa37b7c664f28ce5e5717 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 95b04a5 Version 3.1