$ git clone -n https://src.fedoraproject.org/rpms/nbc.git /var/lib/mock/f40-build-803454-144269/root/chroot_tmpdir/scmroot/nbc
Cloning into '/var/lib/mock/f40-build-803454-144269/root/chroot_tmpdir/scmroot/nbc'...
$ git fetch origin 4c9d6ebc94ff370d48cd0c425c66b21cca0fae43:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nbc
 * [new ref]         4c9d6ebc94ff370d48cd0c425c66b21cca0fae43 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c9d6eb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild