$ git clone -n https://src.fedoraproject.org/rpms/x11vnc.git /var/lib/mock/f40-build-2216697-52511/root/chroot_tmpdir/scmroot/x11vnc
Cloning into '/var/lib/mock/f40-build-2216697-52511/root/chroot_tmpdir/scmroot/x11vnc'...
$ git fetch origin e33ae8390e666fac1974068a50266722105201a0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/x11vnc
 * [new ref]         e33ae8390e666fac1974068a50266722105201a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e33ae83 Update to a61f364e385d98677c04070a994397b287385219 git snapshot from 2023-08-01