$ git clone -n https://src.fedoraproject.org/rpms/erlang-esip.git /var/lib/mock/f41-build-843744-162083/root/chroot_tmpdir/scmroot/erlang-esip
Cloning into '/var/lib/mock/f41-build-843744-162083/root/chroot_tmpdir/scmroot/erlang-esip'...
$ git fetch origin 49252fadcd21de1a8871c05f9b64b702fbce163f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-esip
 * [new ref]         49252fadcd21de1a8871c05f9b64b702fbce163f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 49252fa esip ver. 1.0.54