$ git clone -n https://src.fedoraproject.org/rpms/linsim.git /var/lib/mock/f39-build-1592571-38313/root/chroot_tmpdir/scmroot/linsim
Cloning into '/var/lib/mock/f39-build-1592571-38313/root/chroot_tmpdir/scmroot/linsim'...
$ git fetch origin 03a75faf4224297d60758dc393e7039de6e62397:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/linsim
 * [new ref]         03a75faf4224297d60758dc393e7039de6e62397 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 03a75fa Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild