$ git clone -n https://src.fedoraproject.org/rpms/kmod.git /var/lib/mock/f41-build-side-1-2820474-33166/root/chroot_tmpdir/scmroot/kmod
Cloning into '/var/lib/mock/f41-build-side-1-2820474-33166/root/chroot_tmpdir/scmroot/kmod'...
$ git fetch origin 73d6e056b5127a939e3ef6c0440056ac6f1dbd3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmod
 * [new ref]         73d6e056b5127a939e3ef6c0440056ac6f1dbd3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73d6e05 kmod.spec: fix a typo in date in changelog entry