$ git clone -n https://src.fedoraproject.org/rpms/fprettify.git /var/lib/mock/f41-build-703904-12985/root/chroot_tmpdir/scmroot/fprettify
Cloning into '/var/lib/mock/f41-build-703904-12985/root/chroot_tmpdir/scmroot/fprettify'...
$ git fetch origin f95bd15799ce438dbd3abc83680bda2067ab9b42:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fprettify
 * [new ref]         f95bd15799ce438dbd3abc83680bda2067ab9b42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f95bd15 Eliminate use of obsolete %patchN syntax (#2283636)