$ git clone -n https://src.fedoraproject.org/rpms/kf5-kcodecs.git /var/lib/mock/f40-build-2292533-56143/root/chroot_tmpdir/scmroot/kf5-kcodecs
Cloning into '/var/lib/mock/f40-build-2292533-56143/root/chroot_tmpdir/scmroot/kf5-kcodecs'...
$ git fetch origin 14444b7058109903d03dc0269c1cbe855f1e60d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kcodecs
 * [new ref]         14444b7058109903d03dc0269c1cbe855f1e60d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14444b7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild