$ git clone -n https://src.fedoraproject.org/rpms/nsd.git /var/lib/mock/f40-build-803255-144212/root/chroot_tmpdir/scmroot/nsd
Cloning into '/var/lib/mock/f40-build-803255-144212/root/chroot_tmpdir/scmroot/nsd'...
$ git fetch origin f4a39b2f2e3639ef957e596b1cc55fafcd8bd003:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nsd
 * [new ref]         f4a39b2f2e3639ef957e596b1cc55fafcd8bd003 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f4a39b2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild