$ git clone -n https://src.fedoraproject.org/rpms/ipcalc.git /var/lib/mock/f41-build-side-1-2642617-26809/root/chroot_tmpdir/scmroot/ipcalc
Cloning into '/var/lib/mock/f41-build-side-1-2642617-26809/root/chroot_tmpdir/scmroot/ipcalc'...
$ git fetch origin ff2a24df50d32680148c5589b99b7313282850f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ipcalc
 * [new ref]         ff2a24df50d32680148c5589b99b7313282850f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff2a24d Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild