$ git clone -n https://src.fedoraproject.org/rpms/mdevctl.git /var/lib/mock/f40-build-795216-139932/root/chroot_tmpdir/scmroot/mdevctl
Cloning into '/var/lib/mock/f40-build-795216-139932/root/chroot_tmpdir/scmroot/mdevctl'...
$ git fetch origin 218e1a1b6922bf186ac86f474e172cb7f8ca3bf1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mdevctl
 * [new ref]         218e1a1b6922bf186ac86f474e172cb7f8ca3bf1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 218e1a1 Update Rust macro usage