blob: 50f1d8eb4cdb0c7586d766ae6809821682f8eb2c (
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
|
# -*-eselect-*- vim: ft=eselect
# Copyright 2005-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2 or later
inherit config multilib
DESCRIPTION="Manage the LuaJIT symlink"
MAINTAINER="mva@gentoo.org"
VERSION="1"
# sort function for luajit versions, to be used in a pipe
sort_luajit_versions() {
local vsort="sort --version-sort"
${vsort} </dev/null &>/dev/null || vsort=sort
sed -e 's/^\(luajit-\)\?\([[:digit:].]\+\)[-_]beta/\2 0 &/' \
-e 't;s/^\(luajit-\)\?\([[:digit:].]\+\)/\2 1 &/' \
| LC_ALL=C ${vsort} | sed 's/.* //'
}
# find a list of luajit symlink targets
find_targets() {
local f
for f in $(find "${EROOT}"/usr/bin/ -type f -iname 'luajit-[[:digit:]]*'); do
basename "${f}"
done | sort_luajit_versions
}
get_libdirs() {
local dir libdirs
for dir in $(list_libdirs); do
[[ -L ${EROOT}/usr/${dir} ]] && continue
ls "${EROOT}"/usr/${dir}/libluajit*.* > /dev/null 2>&1 || continue
libdirs+=' '/usr/${dir}
done
echo ${libdirs:-/usr/lib}
}
# remove the luajit symlink
remove_symlinks() {
for dir in $(get_libdirs) ; do
[[ -L "${dir}/libluajit-5.1.so" ]] && rm "${dir}/libluajit-5.1.so"
[[ -L "${dir}/libluajit-5.1.a" ]] && rm "${dir}/libluajit-5.1.a"
[[ -L "${dir}/pkgconfig/luajit.pc" ]] && rm "${dir}/pkgconfig/luajit.pc"
done
[[ -L "${EROOT}/usr/bin/luajit" ]] && rm "${EROOT}/usr/bin/luajit"
rm -f "${EROOT}"/usr/share/man/man1/luajit.1{,.gz,.bz2,.lzma} &>/dev/null
}
# set the luajit symlink
set_symlinks() {
local target=$1
if is_number "${target}"; then
local targets=( $(find_targets) )
target=${targets[target-1]}
fi
if [[ -z ${target} ]]; then
die -q "Target \"$1\" doesn't appear to be valid!"
elif [[ -f ${EROOT}/usr/bin/${target} ]]; then
ln -s "${target}" "${EROOT}/usr/bin/luajit"
for dir in $(get_libdirs) ; do
[[ -e "${dir}/lib${target}.so" ]] && ln -s "lib${target}.so" "${dir}/libluajit-5.1.so"
[[ -e "${dir}/lib${target}.a" ]] && ln -s "lib${target}.a" "${dir}/libluajit-5.1.a"
[[ -e "${dir}/pkgconfig/${target}.pc" ]] && ln -s "${target}.pc" "${dir}/pkgconfig/luajit.pc"
done
for orig in "${EROOT}"/usr/share/man/man1/$target.1* ; do
ln -s "$(basename ${orig})" "${orig/$target/luajit}"
done
else
die -q "Target \"$1\" doesn't appear to be valid!"
fi
}
### show action ###
describe_show() {
echo "Show the current luajit symlink"
}
do_show() {
write_list_start "Current luajit symlink:"
if [[ -L ${EROOT}/usr/bin/luajit ]]; then
local SV=$(readlink "${EROOT}/usr/bin/luajit")
write_kv_list_entry "${SV%/}"
else
write_kv_list_entry "(unset)"
fi
}
### list action ###
describe_list() {
echo "List available luajit symlink targets"
}
do_list() {
local i targets=( $(find_targets) )
write_list_start "Available luajit symlink targets:"
local SV=$(readlink "${EROOT}/usr/bin/luajit")
for (( i = 0; i < ${#targets[@]}; i++ )); do
[[ ${targets[i]} = \
$(basename "${SV}") ]] \
&& targets[i]=$(highlight_marker "${targets[i]}")
done
write_numbered_list -m "(none found)" "${targets[@]}"
}
### set action ###
describe_set() {
echo "Set a new luajit symlink target"
}
describe_set_parameters() {
echo "<target>"
}
describe_set_options() {
echo "target : Target name or number (from 'list' action)"
}
do_set() {
[[ -z $1 ]] && die -q "You didn't tell me what to set the symlink to"
[[ $# -gt 1 ]] && die -q "Too many parameters"
if [[ -L ${EROOT}/usr/bin/luajit ]]; then
# existing symlink
remove_symlinks || die -q "Couldn't remove existing symlink"
set_symlinks "$1" || die -q "Couldn't set a new symlink"
elif [[ -e ${EROOT}/usr/bin/luajit ]]; then
# we have something strange
die -q "${EROOT}/usr/bin/luajit exists but is not a symlink"
else
set_symlinks "$1" || die -q "Couldn't set a new symlink"
fi
}
|
