$ git clone -n https://src.fedoraproject.org/rpms/libcdio.git /var/lib/mock/f40-build-2200118-51762/root/chroot_tmpdir/scmroot/libcdio
Cloning into '/var/lib/mock/f40-build-2200118-51762/root/chroot_tmpdir/scmroot/libcdio'...
$ git fetch origin 1602a6531da2f9a0c767c6a6f9342c60f7ed0300:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libcdio
 * [new ref]         1602a6531da2f9a0c767c6a6f9342c60f7ed0300 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1602a65 Fix for https://fedoraproject.org/wiki/Changes/PortingToModernC