$ git clone -n https://src.fedoraproject.org/rpms/subnetcalc.git /var/lib/mock/f41-build-829112-155970/root/chroot_tmpdir/scmroot/subnetcalc
Cloning into '/var/lib/mock/f41-build-829112-155970/root/chroot_tmpdir/scmroot/subnetcalc'...
$ git fetch origin 29c67f53a346a31a7589c124d27cf9f7dd3831fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/subnetcalc
 * [new ref]         29c67f53a346a31a7589c124d27cf9f7dd3831fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 29c67f5 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild