$ git clone -n https://src.fedoraproject.org/rpms/rust-zbus.git /var/lib/mock/f42-build-3252939-41225/root/chroot_tmpdir/scmroot/rust-zbus
Cloning into '/var/lib/mock/f42-build-3252939-41225/root/chroot_tmpdir/scmroot/rust-zbus'...
$ git fetch origin 6d555bbd56e9a102755d711bb95357c08d8f0ded:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-zbus
 * [new ref]         6d555bbd56e9a102755d711bb95357c08d8f0ded -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d555bb Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild