* [gentoo-dev] New eclass: games-bin (review/comments)
@ 2013-03-23 20:53 99% hasufell
0 siblings, 0 replies; 1+ results
From: hasufell @ 2013-03-23 20:53 UTC (permalink / raw
To: gentoo-dev; +Cc: games, mgorny, ryao
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After packaging the complete humble bundle last time I noticed a bit
of code duplication.
Nothing serious, but I still think there could be a small eclass
making things easier.
Especially the "remove_bundled_libs" function and the is useful IMO
and allows to easily remove those things.
The GAMES_PRESERVE_BUNDLED_LIBS array would allow to preserve libs,
e.g. stuff like "libbass" which is not present in the tree and even
GAMES_PRESERVE_BUNDLED_LIBS_amd64 (in case we have a 32bit only game
and there are no multilib versions for some of those libs).
It also works well with a "bundled-libs" useflag (see
games-bin_src_prepare), because it can happen that binary games break
while the tree is moving forward with library versions, or that system
libraries create weird blockers for the user or even cause runtime
breakage (which happened with the editor of games-rpg/grimrock wrt
#454934).
Most bin games use some functions from unpacker.eclass, so it is
inherited and used in games-bin_src_unpack by default.
I was also thinking about some check-reqs thing, but it's probably
better that is handled explicitly.
If you have suggestions or if you think that approach sucks, please
tell me.
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# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
# @ECLASS: games-bin.eclass
# @MAINTAINER:
# Julian Ospald <hasufell@gentoo.org>
# games herd <games@gentoo.org>
# @BLURB: games eclass for binary games such as humble bundle sales
# @DESCRIPTION:
# RESTRICT, GAMES_DIR, QA_PREBUILT and S are preset, but can be overridden
# as usual when set after the inherit line (see "ECLASS DEFAULTS").
# E.g. GAMES_DIR var is preset to ${GAMES_PREFIX_OPT}/${PN} and can be used
# in src_install.
#
# remove_bundled_libs is executed automatically in games-bin_src_prepare
# if IUSE="bundled-libs" is present and if the user has disabled it.
# Use GAMES_PRESERVE_BUNDLED_LIBS array to always preserve particular
# libraries, e.g. when they are not in the tree.
inherit unpacker games
EXPORT_FUNCTIONS pkg_nofetch src_unpack src_prepare
# ECLASS DEFAULTS
RESTRICT="bindist fetch"
GAMES_DIR="${GAMES_PREFIX_OPT}/${PN}"
QA_PREBUILT="${GAMES_DIR#/}/*}"
S=${WORKDIR}
# @ECLASS-VARIABLE: GAMES_DIR
# @DESCRIPTION:
# Install dir to be used with insinto/doins,
# default is: ${GAMES_PREFIX_OPT}/${PN}.
# @ECLASS-VARIABLE: GAMES_PRESERVE_BUNDLED_LIBS
# @DESCRIPTION:
# Preserve list for bundled libraries, must be a bash ARRAY!
# Supports wildcard (libGLEW.so*), but only filenames, not paths.
# Supports _$ARCH suffix for the var (GAMES_PRESERVE_BUNDLED_LIBS_amd64).
# @FUNCTION: remove_bundled_libs
# @USAGE: [<searchdir>]
# @DESCRIPTION:
# Looks recursively for libraries and symlinks matching
# lib*.so* in <searchdir> (default is ${S}) and removes them.
remove_bundled_libs() {
local p i x
local dir=${1:-${S}}
# default search pattern for "find"
local search_pattern=(-name "lib*.so*")
einfo "Removing bundled libraries"
for p in GAMES_PRESERVE_BUNDLED_LIBS{,_${ARCH}} ; do
if [[ "$(declare -p ${p} 2>/dev/null 2>&1)" == "declare -a"* ]]; then
x=${p}[@] # preserve the array
for i in "${!x}" ; do
# no paths, use ${1} instead for micro-management
[[ ${i} == */* ]] && die "GAMES_PRESERVE_BUNDLED_LIBS must not contain paths"
# add exclusions to the search pattern
search_pattern+=( -a \! -name "${i}")
done
fi
done
find "${dir}" \( -type f -o -type l \) \( "${search_pattern[@]}" \) -print -delete || die
}
games-bin_pkg_nofetch() {
einfo
einfo "Please buy & download ${SRC_URI} from:"
einfo " ${HOMEPAGE}"
einfo "and move it to ${DISTDIR}"
einfo
}
games-bin_src_unpack() {
unpacker_src_unpack
}
games-bin_src_prepare() {
if has bundled-libs ${IUSE} ; then
use bundled-libs || remove_bundled_libs
fi
}
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