/[gentoo-x86]/eclass/ghc-package.eclass
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1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2004 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/ghc-package.eclass,v 1.4 2004/11/04 14:16:14 kosmikus Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/ghc-package.eclass,v 1.6 2005/03/18 23:31:48 kosmikus Exp $
4# 4#
5# Author: Andres Loeh <kosmikus@gentoo.org> 5# Author: Andres Loeh <kosmikus@gentoo.org>
6# 6#
7# This eclass helps with the Glasgow Haskell Compiler's package 7# This eclass helps with the Glasgow Haskell Compiler's package
8# configuration utility. 8# configuration utility.
9 9
10inherit versionator
11
10ECLASS="ghc-package" 12ECLASS="ghc-package"
11INHERITED="$INHERITED $ECLASS" 13INHERITED="${INHERITED} ${ECLASS}"
12 14
13PATH="${PATH}:/opt/ghc/bin" 15PATH="${PATH}:/opt/ghc/bin"
14 16
15# for later configuration using environment variables/ 17# for later configuration using environment variables/
16# returns the name of the ghc executable 18# returns the name of the ghc executable
23 echo "ghc-pkg" 25 echo "ghc-pkg"
24} 26}
25 27
26# returns the name of the ghc-pkg binary (ghc-pkg 28# returns the name of the ghc-pkg binary (ghc-pkg
27# itself usually is a shell script, and we have to 29# itself usually is a shell script, and we have to
28# bypass the script under certain circumstances) 30# bypass the script under certain circumstances);
31# for Cabal, we add the global package config file,
32# because for some reason that's required
29ghc-getghcpkgbin() { 33ghc-getghcpkgbin() {
34 if ghc-cabal; then
35 echo $(ghc-libdir)/"ghc-pkg.bin" "--global-conf=$(ghc-libdir)/package.conf"
36 else
30 echo $(ghc-libdir)/"ghc-pkg.bin" 37 echo $(ghc-libdir)/"ghc-pkg.bin"
38 fi
31} 39}
32 40
33# returns the version of ghc 41# returns the version of ghc
42_GHC_VERSION_CACHE=""
34ghc-version() { 43ghc-version() {
44 if [[ -z "${_GHC_VERSION_CACHE}" ]]; then
35 $(ghc-getghc) --version | sed 's:^.*version ::' 45 _GHC_VERSION_CACHE="$($(ghc-getghc) --version | sed 's:^.*version ::')"
46 fi
47 echo "${_GHC_VERSION_CACHE}"
48}
49
50# returns true for ghc >= 6.4
51ghc-cabal() {
52 version_is_at_least "6.4" "$(ghc-version)"
36} 53}
37 54
38# returns the library directory 55# returns the library directory
56_GHC_LIBDIR_CACHE=""
39ghc-libdir() { 57ghc-libdir() {
40 $(ghc-getghc) --print-libdir 58 if [[ -z "${_GHC_LIBDIR_CACHE}" ]]; then
59 _GHC_LIBDIR_CACHE="$($(ghc-getghc) --print-libdir)"
60 fi
61 echo "${_GHC_LIBDIR_CACHE}"
41} 62}
42 63
43# returns the (Gentoo) library configuration directory 64# returns the (Gentoo) library configuration directory
44ghc-confdir() { 65ghc-confdir() {
45 echo $(ghc-libdir)/gentoo 66 echo $(ghc-libdir)/gentoo
99# re-adds all available .conf files to the global 120# re-adds all available .conf files to the global
100# package conf file, to be used on a ghc reinstallation 121# package conf file, to be used on a ghc reinstallation
101ghc-reregister() { 122ghc-reregister() {
102 einfo "Re-adding packages ..." 123 einfo "Re-adding packages ..."
103 ewarn "This may cause several warnings, but they should be harmless." 124 ewarn "This may cause several warnings, but they should be harmless."
125 if [ -d "$(ghc-confdir)" ]; then
104 pushd $(ghc-confdir) 126 pushd $(ghc-confdir)
105 for conf in *.conf; do 127 for conf in *.conf; do
106 einfo "Processing ${conf} ..." 128 einfo "Processing ${conf} ..."
107 ghc-register-pkg ${conf} 129 ghc-register-pkg ${conf}
108 done 130 done
109 popd 131 popd
132 fi
110} 133}
111 134
112# unregisters ... 135# unregisters ...
113ghc-unregister-pkg() { 136ghc-unregister-pkg() {
114 local localpkgconf 137 local localpkgconf
128 echo ${result} 151 echo ${result}
129} 152}
130 153
131# show the packages in a package configuration file 154# show the packages in a package configuration file
132ghc-listpkg() { 155ghc-listpkg() {
156 local ghcpkgcall
157 if ghc-cabal; then
158 echo $($(ghc-getghcpkg) list -f $1) \
159 | sed \
160 -e "s|^.*${f}:\([^:]*\).*$|\1|" \
161 -e "s|/.*$||" \
162 -e "s|,| |g" -e "s|[()]||g"
163 else
133 [ -f $1 ] && echo $($(ghc-getghcpkgbin) -l -f $1) \ 164 echo $($(ghc-getghcpkgbin) -l -f $1) \
134 | cut -f2 -d':' \ 165 | cut -f2 -d':' \
135 | sed 's:,: :g' 166 | sed 's:,: :g'
167 fi
136} 168}
137 169
138# exported function: registers the package-specific package 170# exported function: registers the package-specific package
139# configuration file 171# configuration file
140ghc-package_pkg_postinst() { 172ghc-package_pkg_postinst() {

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