$ git clone -n https://src.fedoraproject.org/rpms/erlang-esip.git /var/lib/mock/f45-build-8309-384/root/chroot_tmpdir/scmroot/erlang-esip
Cloning into '/var/lib/mock/f45-build-8309-384/root/chroot_tmpdir/scmroot/erlang-esip'...
$ git fetch origin 4166f46109bf9cfcf536f7b461fbf9eade2b1e34:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-esip
 * [new ref]         4166f46109bf9cfcf536f7b461fbf9eade2b1e34 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4166f46 esip ver. 1.0.61