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# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
EAPI=5
inherit check-reqs
DESCRIPTION="Syzygy endgame tablebases for up to 6 pieces"
HOMEPAGE="http://tablebase.sesse.net/"
pc=(Q R B N P)
tb345=()
tb6=()
for ((i=0; i<5; i++)); do
tb345+=(K${pc[i]}vK) # 2+1
for ((j=i; j<5; j++)); do
tb345+=(K${pc[i]}vK${pc[j]} K${pc[i]}${pc[j]}vK) # 2+2, 3+1
for ((k=0; k<5; k++)); do
tb345+=(K${pc[i]}${pc[j]}vK${pc[k]}) # 3+2
((k>=j)) && tb345+=(K${pc[i]}${pc[j]}${pc[k]}vK) # 4+1
for ((l=0; l<5; l++)); do
if ((k>=i && l>=k)) && ((k>i || l>=j)); then
tb6+=(K${pc[i]}${pc[j]}vK${pc[k]}${pc[l]}) # 3+3
fi
if ((k>=j)); then
tb6+=(K${pc[i]}${pc[j]}${pc[k]}vK${pc[l]}) # 4+2
((l>=k)) && tb6+=(K${pc[i]}${pc[j]}${pc[k]}${pc[l]}vK) # 5+1
fi
done
done
done
done
SRC_URI="http://tablebase.sesse.net/README -> ${P}-README"
for i in "${tb345[@]}"; do
SRC_URI+=" http://tablebase.sesse.net/syzygy/3-4-5/${i}.rtbw"
SRC_URI+=" http://tablebase.sesse.net/syzygy/3-4-5/${i}.rtbz"
done
SRC_URI+=" tb6? ("
for i in "${tb6[@]}"; do
SRC_URI+=" http://tablebase.sesse.net/syzygy/6-WDL/${i}.rtbw"
SRC_URI+=" http://tablebase.sesse.net/syzygy/6-DTZ/${i}.rtbz"
done
SRC_URI+=" )"
unset i j k l pc tb345 tb6
LICENSE="public-domain"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="tb6"
RESTRICT="mirror" # not on Gentoo mirrors
S="${WORKDIR}"
CHECKREQS_DISK_USR="151G"
CHECKREQS_DISK_BUILD="${CHECKREQS_DISK_USR}"
pkg_pretend() {
use tb6 && check-reqs_pkg_pretend
}
pkg_setup() {
use tb6 && check-reqs_pkg_setup
}
src_unpack() { :; }
src_install() {
insinto /usr/share/${PN}
doins "${DISTDIR}"/*.rtbw
doins "${DISTDIR}"/*.rtbz
newdoc "${DISTDIR}"/${P}-README README
}
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