$ git clone -n https://src.fedoraproject.org/rpms/lockdev.git /var/lib/mock/f41-build-1029174-18375/root/chroot_tmpdir/scmroot/lockdev
Cloning into '/var/lib/mock/f41-build-1029174-18375/root/chroot_tmpdir/scmroot/lockdev'...
$ git fetch origin 1433824654ef9de411031b1e96d4d0f4b8720e80:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lockdev
 * [new ref]         1433824654ef9de411031b1e96d4d0f4b8720e80 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1433824 Eliminate use of obsolete %patchN syntax (#2283636)