$ git clone -n https://src.fedoraproject.org/rpms/AcetoneISO.git /var/lib/mock/f42-build-3346503-45001/root/chroot_tmpdir/scmroot/AcetoneISO
Cloning into '/var/lib/mock/f42-build-3346503-45001/root/chroot_tmpdir/scmroot/AcetoneISO'...
$ git fetch origin e853aa93407566110409abb50fe4a25a51e1bf0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/AcetoneISO
 * [new ref]         e853aa93407566110409abb50fe4a25a51e1bf0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e853aa9 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild