$ git clone -n https://src.fedoraproject.org/rpms/calc.git /var/lib/mock/f40-build-2339071-59635/root/chroot_tmpdir/scmroot/calc
Cloning into '/var/lib/mock/f40-build-2339071-59635/root/chroot_tmpdir/scmroot/calc'...
$ git fetch origin 5eea6004dd6ba99a8df56d8042687b10813040f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/calc
 * [new ref]         5eea6004dd6ba99a8df56d8042687b10813040f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5eea600 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild