$ git clone -n https://src.fedoraproject.org/rpms/ntl.git /var/lib/mock/f40-build-1285034-23240/root/chroot_tmpdir/scmroot/ntl
Cloning into '/var/lib/mock/f40-build-1285034-23240/root/chroot_tmpdir/scmroot/ntl'...
$ git fetch origin 7686772850140a4a4117c7a86fee0f0dfd0e7167:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ntl
 * [new ref]         7686772850140a4a4117c7a86fee0f0dfd0e7167 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7686772 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild