$ git clone -n https://src.fedoraproject.org/rpms/espresso.git /var/lib/mock/f41-build-756341-13417/root/chroot_tmpdir/scmroot/espresso
Cloning into '/var/lib/mock/f41-build-756341-13417/root/chroot_tmpdir/scmroot/espresso'...
$ git fetch origin c746830f75082fe51fe730590081d28038558513:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/espresso
 * [new ref]         c746830f75082fe51fe730590081d28038558513 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c746830 Version bump to v4.2.2