$ git clone -n https://src.fedoraproject.org/rpms/galculator.git /var/lib/mock/f40-build-2438419-60896/root/chroot_tmpdir/scmroot/galculator
Cloning into '/var/lib/mock/f40-build-2438419-60896/root/chroot_tmpdir/scmroot/galculator'...
$ git fetch origin 4615f71b9f489d1edd21d80761d5f4f973ba1070:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/galculator
 * [new ref]         4615f71b9f489d1edd21d80761d5f4f973ba1070 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4615f71 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild