$ git clone -n https://src.fedoraproject.org/rpms/gerrymander.git /var/lib/mock/f40-build-2279273-55329/root/chroot_tmpdir/scmroot/gerrymander
Cloning into '/var/lib/mock/f40-build-2279273-55329/root/chroot_tmpdir/scmroot/gerrymander'...
$ git fetch origin 30f7791d6b1162f96f0fad691a8f39c4d68d7e03:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gerrymander
 * [new ref]         30f7791d6b1162f96f0fad691a8f39c4d68d7e03 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30f7791 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild