$ git clone -n https://src.fedoraproject.org/rpms/shellinabox.git /var/lib/mock/f41-build-1296585-23393/root/chroot_tmpdir/scmroot/shellinabox
Cloning into '/var/lib/mock/f41-build-1296585-23393/root/chroot_tmpdir/scmroot/shellinabox'...
$ git fetch origin ce2b12de6f98e047ce8305aa455871e45297edf5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/shellinabox
 * [new ref]         ce2b12de6f98e047ce8305aa455871e45297edf5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce2b12d Eliminate use of obsolete %patchN syntax (#2283636)