blob: b46c226f8ee2ead659aa2cae251d8d3e63eb99a7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
# -*-eselect-*- vim: ft=eselect
# Copyright 2014-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
inherit config multilib
DESCRIPTION="Manage lua symlinks"
MAINTAINER="mva@gentoo.org"
HEADER_FILES="lauxlib.h luaconf.h lua.h lua.hpp lualib.h"
remove_symlinks() {
rm -f "${EROOT}"/usr/bin/{lua,luac} &>/dev/null
for dir in $(get_libdirs) ; do
rm -f "${EROOT}"${dir}/liblua.so &>/dev/null && \
rm -f "${EROOT}"${dir}/pkgconfig/lua.pc &>/dev/null
done
for f in $HEADER_FILES ; do
rm -f "${EROOT}"/usr/include/${f}
done
rm -f "${EROOT}"/usr/share/man/man1/lua{,c}.1{,.*} &>/dev/null
}
_dup() {
dirname ${1}/.
}
set_symlinks() {
local ver=${1#lua}
local bin_prefix="${EROOT}/usr/bin"
ln -s lua${ver} $(_dup "${bin_prefix}"/lua)
if [[ -f "${bin_prefix}"/luac${ver} ]]; then
ln -s luac${ver} $(_dup "${bin_prefix}"/luac)
fi
for dir in $(get_libdirs) ; do
if has 'jit*' ${ver}; then
type -p lua${ver} &>/dev/null || die -q "It's something wrong with your lua${ver} installation: it's binary leads to broken symlink"
local abi=$(lua${ver} -e 'print(_VERSION:match("%d.%d"))')
local libname=libluajit-${abi}.so.${ver##jit-}
test -f "${EROOT}/${dir}/${libname}" || die -q "Can't find libluajit for lua${ver} (lua abi: ${abi})"
ln -s ${libname} $(_dup "${EROOT}/${dir}"/liblua.so)
else
ln -s liblua${ver}.so $(_dup "${EROOT}/${dir}"/liblua.so)
fi
ln -s lua${ver}.pc $(_dup "${EROOT}/${dir}"/pkgconfig/lua.pc)
done
for manpage in "${EROOT}"/usr/share/man/man1/lua{,c}${ver}.1.* ; do
test -f ${manpage} &&
ln -s $(basename "${manpage}") $(_dup "${manpage//${ver}}")
done
for header in $HEADER_FILES ; do
local hdr;
if has 'jit*' ${ver}; then
type -p lua${ver} &>/dev/null || die -q "lua${ver} binary is missing (or leads to broken symlink)"
local jit_v=$(lua${ver} -e 'print(jit.version:match("%d.%d"))')
hdr=luajit-${jit_v}/${header};
else
hdr=lua${ver}/${header};
fi
test -f "${EROOT}/usr/include/${hdr}" || die -q "Missing header: ${header}"
ln -s "${hdr}" $(_dup "${EROOT}"/usr/include/${header})
done
}
get_libdirs() {
local dir libdirs
for dir in $(list_libdirs); do
[[ -L ${EROOT}/usr/${dir} ]] && continue
ls "${EROOT}"/usr/${dir}/liblua*.* > /dev/null 2>&1 || continue
libdirs+=' '/usr/${dir}
done
echo ${libdirs:-/usr/lib}
}
find_targets() {
local dirs
local prefix="${EROOT}/usr/bin/"
for f in ${prefix}lua{5,jit-2}.* ; do
[[ -f "${f}" ]] && dirs="${dirs} ${f##$prefix}"
done
echo $dirs
}
resolve_target() {
local targets=( $(find_targets) )
if is_number $1; then
[[ $1 -le ${#targets[@]} && $1 -gt 0 ]] && echo "${targets[ $(( $1 - 1 )) ]}"
elif has $1 ${targets[@]}; then
echo $1
fi
}
get_active_version() {
readlink -e "${EROOT}"/usr/bin/lua | sed -ne "s:.*/usr/bin/\([\w.-]*\):\1:p"
}
## Actual actions
## set action
describe_set() {
echo "Sets the current version of lua"
}
describe_set_parameters() {
echo '[--if-unset] <target>'
}
describe_set_options() {
echo '--if-unset: Do not replace currently selected implementation'
echo 'target: Target name or number (from "list" action)'
}
do_set() {
if [ "${1}" == "--if-unset" ]; then
if [[ -n "$(get_active_version)" ]]; then
return
fi
shift
fi
local target=$(resolve_target $1)
if [[ -z "${target}" ]]; then
die -q "You need to specify a version"
fi
remove_symlinks
set_symlinks $target
}
## List action
describe_list() {
echo 'Lists available lua versions'
}
do_list() {
local targets
local a
targets=( $(find_targets) )
a=$(get_active_version)
for (( i = 0; i < ${#targets[@]}; i++ )) ; do
[[ $a == ${targets[i]} ]] && targets[i]=$(highlight_marker "${targets[i]}")
done
write_numbered_list -m '(none found)' "${targets[@]}"
}
## Show action
describe_show() {
echo 'Show the active lua version'
}
do_show() {
get_active_version
}
|
GitWeb