$ git clone -n https://src.fedoraproject.org/rpms/expect.git /var/lib/mock/f45-build-8559-391/root/chroot_tmpdir/scmroot/expect
Cloning into '/var/lib/mock/f45-build-8559-391/root/chroot_tmpdir/scmroot/expect'...
$ git fetch origin cc0a6f19877597fa98ff277646747b3391388b32:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/expect
 * [new ref]         cc0a6f19877597fa98ff277646747b3391388b32 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc0a6f1 Fix segfault on Ctrl-C when tclreadline is loaded