$ git clone -n https://src.fedoraproject.org/rpms/pygsl.git /var/lib/mock/f45-build-29123-635/root/chroot_tmpdir/scmroot/pygsl
Cloning into '/var/lib/mock/f45-build-29123-635/root/chroot_tmpdir/scmroot/pygsl'...
$ git fetch origin d4e901a69a61b6ae221faec7f3a34a6ca1e5a076:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pygsl
 * [new ref]         d4e901a69a61b6ae221faec7f3a34a6ca1e5a076 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d4e901a Version 2.6.6