$ git clone -n https://src.fedoraproject.org/rpms/python-igraph.git /var/lib/mock/f41-build-815223-149432/root/chroot_tmpdir/scmroot/python-igraph
Cloning into '/var/lib/mock/f41-build-815223-149432/root/chroot_tmpdir/scmroot/python-igraph'...
$ git fetch origin e0a57b84d8af8dcc726ceef9d50166068087a5fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-igraph
 * [new ref]         e0a57b84d8af8dcc726ceef9d50166068087a5fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0a57b8 0.11.6