$ git clone -n https://src.fedoraproject.org/rpms/rust-msru.git /var/lib/mock/f42-build-3367150-45050/root/chroot_tmpdir/scmroot/rust-msru
Cloning into '/var/lib/mock/f42-build-3367150-45050/root/chroot_tmpdir/scmroot/rust-msru'...
$ git fetch origin 33a02b7b8476fdb7e3a872fa2fd43263af18fa42:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-msru
 * [new ref]         33a02b7b8476fdb7e3a872fa2fd43263af18fa42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 33a02b7 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild