$ git clone -n https://src.fedoraproject.org/rpms/rust-zbus_macros4.git /var/lib/mock/f45-build-46326-833/root/chroot_tmpdir/scmroot/rust-zbus_macros4
Cloning into '/var/lib/mock/f45-build-46326-833/root/chroot_tmpdir/scmroot/rust-zbus_macros4'...
$ git fetch origin 973bc21f5000450daa5c481bfa630207078c82e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-zbus_macros4
 * [new ref]         973bc21f5000450daa5c481bfa630207078c82e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 973bc21 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild