$ git clone -n https://src.fedoraproject.org/rpms/xdpyinfo.git /var/lib/mock/f45-build-38713-727/root/chroot_tmpdir/scmroot/xdpyinfo
Cloning into '/var/lib/mock/f45-build-38713-727/root/chroot_tmpdir/scmroot/xdpyinfo'...
$ git fetch origin 8dae1dd553bd508714c2d4b40ffa0c98fc27ebae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xdpyinfo
 * [new ref]         8dae1dd553bd508714c2d4b40ffa0c98fc27ebae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8dae1dd simplify .gitignore file