$ git clone -n https://src.fedoraproject.org/rpms/rust-lib0.git /var/lib/mock/f40-build-2325338-58807/root/chroot_tmpdir/scmroot/rust-lib0
Cloning into '/var/lib/mock/f40-build-2325338-58807/root/chroot_tmpdir/scmroot/rust-lib0'...
$ git fetch origin 57325f108ee9a855c7824c70884f5e624496cc87:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lib0
 * [new ref]         57325f108ee9a855c7824c70884f5e624496cc87 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57325f1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild