$ git clone -n https://src.fedoraproject.org/rpms/cvs.git /var/lib/mock/f40-build-794033-139322/root/chroot_tmpdir/scmroot/cvs
Cloning into '/var/lib/mock/f40-build-794033-139322/root/chroot_tmpdir/scmroot/cvs'...
$ git fetch origin 9af3256480c7f54a188929e9b26c60b8c7a11534:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cvs
 * [new ref]         9af3256480c7f54a188929e9b26c60b8c7a11534 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9af3256 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild