$ git clone -n https://src.fedoraproject.org/rpms/thefuck.git /var/lib/mock/f40-build-2646371-66626/root/chroot_tmpdir/scmroot/thefuck
Cloning into '/var/lib/mock/f40-build-2646371-66626/root/chroot_tmpdir/scmroot/thefuck'...
$ git fetch origin 2535d7d6de70ff0eb2bcd8bc1c3d20b62b72f8c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/thefuck
 * [new ref]         2535d7d6de70ff0eb2bcd8bc1c3d20b62b72f8c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2535d7d Require python3-zombie-imp (fedora#2246042)