$ git clone -n https://src.fedoraproject.org/rpms/epstool.git /var/lib/mock/f41-build-884517-16596/root/chroot_tmpdir/scmroot/epstool
Cloning into '/var/lib/mock/f41-build-884517-16596/root/chroot_tmpdir/scmroot/epstool'...
$ git fetch origin d3912c727c75a6a517e71baa3f549dede2a517f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/epstool
 * [new ref]         d3912c727c75a6a517e71baa3f549dede2a517f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3912c7 Eliminate use of obsolete %patchN syntax (#2283636)