$ git clone -n https://src.fedoraproject.org/rpms/rust-nu-cmd-base.git /var/lib/mock/f40-build-2477978-61606/root/chroot_tmpdir/scmroot/rust-nu-cmd-base
Cloning into '/var/lib/mock/f40-build-2477978-61606/root/chroot_tmpdir/scmroot/rust-nu-cmd-base'...
$ git fetch origin bed1445af9b83a68fe6d139ae2a0fceb69075049:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nu-cmd-base
 * [new ref]         bed1445af9b83a68fe6d139ae2a0fceb69075049 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bed1445 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild