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Revision 1.2 - (show annotations) (download)
Wed Nov 3 20:38:35 2004 UTC (9 years, 8 months ago) by kosmikus
Branch: MAIN
Changes since 1.1: +2 -2 lines
* removed --auto-ghci-libs flag because it produces orphaned files in
  the portage tree

1 # Copyright 1999-2004 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/ghc-package.eclass,v 1.1 2004/11/03 15:06:41 kosmikus Exp $
4 #
5 # Author: Andres Loeh <kosmikus@gentoo.org>
6 #
7 # This eclass helps with the Glasgow Haskell Compiler's package
8 # configuration utility.
9
10 ECLASS="ghc-package"
11 INHERITED="$INHERITED $ECLASS"
12
13 PATH="${PATH}:/opt/ghc/bin"
14
15 # for later configuration using environment variables/
16 # returns the name of the ghc executable
17 ghc-getghc() {
18 echo "ghc"
19 }
20
21 # returns the name of the ghc-pkg executable
22 ghc-getghcpkg() {
23 echo "ghc-pkg"
24 }
25
26 # returns the name of the ghc-pkg binary (ghc-pkg
27 # itself usually is a shell script, and we have to
28 # bypass the script under certain circumstances)
29 ghc-getghcpkgbin() {
30 echo $(ghc-libdir)/"ghc-pkg.bin"
31 }
32
33 # returns the version of ghc
34 ghc-version() {
35 $(ghc-getghc) --version | sed 's:^.*version ::'
36 }
37
38 # returns the library directory
39 ghc-libdir() {
40 $(ghc-getghc) --print-libdir
41 }
42
43 # returns the (Gentoo) library configuration directory
44 ghc-confdir() {
45 echo $(ghc-libdir)/gentoo
46 }
47
48 # returns the name of the local (package-specific)
49 # package configuration file
50 ghc-localpkgconf() {
51 echo "${PF}.conf"
52 }
53
54 # creates an empty local (package-specific) package
55 # configuration file
56 ghc-setup-pkg() {
57 echo '[]' > ${S}/$(ghc-localpkgconf)
58 }
59
60 # moves the local (package-specific) package configuration
61 # file to its final destination
62 ghc-install-pkg() {
63 mkdir -p ${D}/$(ghc-confdir)
64 cat ${S}/$(ghc-localpkgconf) | sed "s:${D}::" \
65 > ${D}/$(ghc-confdir)/$(ghc-localpkgconf)
66 }
67
68 # registers all packages in the local (package-specific)
69 # package configuration file
70 ghc-register-pkg() {
71 local localpkgconf
72 localpkgconf=$(ghc-confdir)/$1
73 for pkg in $(ghc-listpkg ${localpkgconf}); do
74 einfo "Registering ${pkg} ..."
75 $(ghc-getghcpkgbin) -f ${localpkgconf} -s ${pkg} \
76 | $(ghc-getghcpkg) -u --force
77 done
78 }
79
80 # re-adds all available .conf files to the global
81 # package conf file, to be used on a ghc reinstallation
82 ghc-reregister() {
83 einfo "Re-adding packages ..."
84 ewarn "This may cause several warnings, but they should be harmless."
85 pushd $(ghc-confdir)
86 for conf in *.conf; do
87 einfo "Processing ${conf} ..."
88 ghc-register-pkg ${conf}
89 done
90 popd
91 }
92
93 # unregisters ...
94 ghc-unregister-pkg() {
95 local localpkgconf
96 localpkgconf=$(ghc-confdir)/$1
97 for pkg in $(ghc-reverse "$(ghc-listpkg ${localpkgconf})"); do
98 einfo "Unregistering ${pkg} ..."
99 $(ghc-getghcpkg) -r ${pkg} --force
100 done
101 }
102
103 # help-function: reverse a list
104 ghc-reverse() {
105 local result
106 for i in $1; do
107 result="${i} ${result}"
108 done
109 echo ${result}
110 }
111
112 # show the packages in a package configuration file
113 ghc-listpkg() {
114 [ -f $1 ] && echo $($(ghc-getghcpkgbin) -l -f $1) \
115 | cut -f2 -d':' \
116 | sed 's:,: :g'
117 }
118
119 # exported function: registers the package-specific package
120 # configuration file
121 ghc-package_pkg_postinst() {
122 ghc-register-pkg $(ghc-localpkgconf)
123 }
124
125 # exported function: unregisters the package-specific
126 # package configuration file, under the condition that
127 # after removal, no other instances of the package will
128 # be left (necessary check because ghc packages are not
129 # versioned)
130 ghc-package_pkg_prerm() {
131 has_version "<${CATEGORY}/${PF}" || has_version ">${CATEGORY}/${PF}" \
132 || ghc-unregister-pkg $(ghc-localpkgconf)
133 }
134
135 EXPORT_FUNCTIONS pkg_postinst pkg_prerm

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