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64 lines
1.5 KiB
64 lines
1.5 KiB
# Copyright 1999-2018 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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EAPI=6
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inherit check-reqs
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DESCRIPTION="Syzygy chess endgame tablebases for up to 6 pieces"
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HOMEPAGE="http://tablebase.sesse.net/
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http://kirill-kryukov.com/chess/tablebases-online/"
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tb6=()
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m=(P N B R Q K)
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for ((i=4; i>=0; i--)); do
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for ((j=i; j>=0; j--)); do
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for ((k=i; k>=0; k--)); do
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for ((l=k; l>=0; l--)); do
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((k<i || l<=j)) && tb6+=(K${m[i]}${m[j]}vK${m[k]}${m[l]}) # 3+3
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done
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((k<=j)) || continue
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for ((l=4; l>=0; l--)); do
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tb6+=(K${m[i]}${m[j]}${m[k]}vK${m[l]}) # 4+2
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((l<=k)) && tb6+=(K${m[i]}${m[j]}${m[k]}${m[l]}vK) # 5+1
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done
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done
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done
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done
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SRC_URI=""
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for i in "${tb6[@]}"; do
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SRC_URI+="${i}.rtbw ${i}.rtbz "
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done
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unset i j k l m tb6
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LICENSE="public-domain" # machine-generated tables
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SLOT="nofetch"
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KEYWORDS="amd64 x86"
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RESTRICT="fetch"
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RDEPEND="~${CATEGORY}/${P}:0"
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S="${WORKDIR}"
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CHECKREQS_DISK_USR="150G"
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CHECKREQS_DISK_BUILD="${CHECKREQS_DISK_USR}"
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pkg_nofetch() {
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einfo "Due to their large size, fetching the Syzygy Endgame Tablebases"
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einfo "via BitTorrent is recommended: http://oics.olympuschess.com/tracker/"
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einfo "After downloading, place all K*.rtbw and K*.rtbz files in your"
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einfo "DISTDIR directory."
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einfo "(For the 6-pieces tablebases, there should be" \
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"$(echo ${A} | wc -w) files in total.)"
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}
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src_unpack() { :; }
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src_install() {
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local f
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insinto /usr/share/${PN}
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for f in ${A}; do
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[[ ${f} = *.rtb[wz] ]] && echo "${DISTDIR}"/${f}
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done | xargs doins
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}
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