$ git clone -n https://src.fedoraproject.org/rpms/vhostmd.git /var/lib/mock/f40-build-2124334-50773/root/chroot_tmpdir/scmroot/vhostmd
Cloning into '/var/lib/mock/f40-build-2124334-50773/root/chroot_tmpdir/scmroot/vhostmd'...
$ git fetch origin f0ff0e1b37ed19477f1349637fd36c55400a2143:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vhostmd
 * [new ref]         f0ff0e1b37ed19477f1349637fd36c55400a2143 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0ff0e1 Use systemd-sysusers to create vhostmd user