$ git clone -n https://src.fedoraproject.org/rpms/nyx.git /var/lib/mock/f40-build-2013226-45860/root/chroot_tmpdir/scmroot/nyx
Cloning into '/var/lib/mock/f40-build-2013226-45860/root/chroot_tmpdir/scmroot/nyx'...
$ git fetch origin 2c016345e690de1546fbc568edfbcfa9b725c796:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nyx
 * [new ref]         2c016345e690de1546fbc568edfbcfa9b725c796 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c01634 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild