$ git clone -n https://src.fedoraproject.org/rpms/rust-zbus_macros.git /var/lib/mock/f40-build-2328502-58867/root/chroot_tmpdir/scmroot/rust-zbus_macros
Cloning into '/var/lib/mock/f40-build-2328502-58867/root/chroot_tmpdir/scmroot/rust-zbus_macros'...
$ git fetch origin efe3b0fa7ecf9f7dd6e2f584650ade787b23068c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-zbus_macros
 * [new ref]         efe3b0fa7ecf9f7dd6e2f584650ade787b23068c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at efe3b0f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild