$ git clone -n https://src.fedoraproject.org/rpms/coin-or-Alps.git /var/lib/mock/f41-build-858337-168340/root/chroot_tmpdir/scmroot/coin-or-Alps
Cloning into '/var/lib/mock/f41-build-858337-168340/root/chroot_tmpdir/scmroot/coin-or-Alps'...
$ git fetch origin 03b50129352173981bec276634b3d87842e6943e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coin-or-Alps
 * [new ref]         03b50129352173981bec276634b3d87842e6943e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 03b5012 Version 1.5.12