$ git clone -n https://src.fedoraproject.org/rpms/nwg-wrapper.git /var/lib/mock/f39-build-1500780-34796/root/chroot_tmpdir/scmroot/nwg-wrapper
Cloning into '/var/lib/mock/f39-build-1500780-34796/root/chroot_tmpdir/scmroot/nwg-wrapper'...
$ git fetch origin e68d814984b488a4eece6f240bdeaeac33b8287c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nwg-wrapper
 * [new ref]         e68d814984b488a4eece6f240bdeaeac33b8287c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e68d814 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild