$ git clone -n https://src.fedoraproject.org/rpms/rust-just.git /var/lib/mock/f40-build-2341406-59761/root/chroot_tmpdir/scmroot/rust-just
Cloning into '/var/lib/mock/f40-build-2341406-59761/root/chroot_tmpdir/scmroot/rust-just'...
$ git fetch origin 7c394700e3b8ca94cb501b18fe195b8ab10b8156:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-just
 * [new ref]         7c394700e3b8ca94cb501b18fe195b8ab10b8156 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c39470 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild