$ git clone -n https://src.fedoraproject.org/rpms/libbonobo.git /var/lib/mock/f41-build-1045104-19054/root/chroot_tmpdir/scmroot/libbonobo
Cloning into '/var/lib/mock/f41-build-1045104-19054/root/chroot_tmpdir/scmroot/libbonobo'...
$ git fetch origin f00273e7061aa8cf91511b42a78581d95921c25b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libbonobo
 * [new ref]         f00273e7061aa8cf91511b42a78581d95921c25b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f00273e Eliminate use of obsolete %patchN syntax (#2283636)