$ git clone -n https://src.fedoraproject.org/rpms/openarc.git /var/lib/mock/f40-build-797475-141353/root/chroot_tmpdir/scmroot/openarc
Cloning into '/var/lib/mock/f40-build-797475-141353/root/chroot_tmpdir/scmroot/openarc'...
$ git fetch origin 47959fb6a9fa4b911bcf6c64007285b85bc1af0d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openarc
 * [new ref]         47959fb6a9fa4b911bcf6c64007285b85bc1af0d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47959fb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild