$ git clone -n https://src.fedoraproject.org/rpms/AcetoneISO.git /var/lib/mock/f40-build-2273402-54957/root/chroot_tmpdir/scmroot/AcetoneISO
Cloning into '/var/lib/mock/f40-build-2273402-54957/root/chroot_tmpdir/scmroot/AcetoneISO'...
$ git fetch origin 10a7ba47d50b85c3d49563f450ab59f02422382f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/AcetoneISO
 * [new ref]         10a7ba47d50b85c3d49563f450ab59f02422382f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 10a7ba4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild