$ git clone -n https://src.fedoraproject.org/rpms/nec2c.git /var/lib/mock/f40-build-2299214-56606/root/chroot_tmpdir/scmroot/nec2c
Cloning into '/var/lib/mock/f40-build-2299214-56606/root/chroot_tmpdir/scmroot/nec2c'...
$ git fetch origin 05c6ab2a3117ce521ae95646dd100d4beefdd82e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nec2c
 * [new ref]         05c6ab2a3117ce521ae95646dd100d4beefdd82e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05c6ab2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild