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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# vim: set ft=sh:
DESCRIPTION="Manage Ruby symlinks"
MAINTAINER="ruby@gentoo.org"
VERSION="20182225"
bindir=/usr/bin
libdir=/usr/lib
man1dir=/usr/share/man/man1
find_targets() {
for t in ${EROOT}${bindir}/${1:-ruby}{18,19,20,21,22,23,24,25,26} ; do
[[ -e $t ]] || continue
echo ${t}
done
}
check_target() {
local target=${1} targets
targets=( $(find_targets ) )
# number from the list
if is_number ${target} && [[ ${target} -ge 1 ]] ; then
if [[ ${target} -gt ${#targets[@]} ]] ; then
target="invalid"
elif [[ -e "${targets[$(( ${target} - 1 ))]}" ]] ; then
target=$(basename ${targets[$((${target} - 1 ))]} )
else
write_warning_msg ${targets[$((${target} - 1 ))]}
target="invalid"
fi
# `rubyXX' string
else
[[ -e "${EROOT}${bindir}/${target}" ]] || \
target="invalid"
fi
echo ${target}
}
remove_symlinks() {
rm -f ${EROOT}${bindir}/{ruby,gem,irb,erb,ri,rdoc,testrb} && \
rm -f ${EROOT}${man1dir}/{ruby,irb,erb,ri}.1*
# Remove unversioned legacy link set by ruby 1.8 and earlier
# see bug 582672
local link="${EROOT}${libdir}/libruby.so"
if [[ -e ${link} ]]; then
rm -f ${link}
fi
}
create_man_links() {
local version=${1}
for manpage in "ruby" "irb" "erb" "ri" ; do
for m in ${EROOT}${man1dir}/${manpage}${version}.1* ; do
if [[ -e ${m} ]]; then
echo ".so ${manpage}${version}.1" > ${EROOT}${man1dir}/${manpage}.1 || \
write_error_msg "Could not set up manpage link for ${manpage}.1"
fi
done
done
}
create_symlinks() {
local target=${1} version
version=${target##*ruby}
local path="${EROOT}${bindir}/"
# these have to work
for f in "ruby" "irb" "erb" "ri" "testrb" "rdoc" ; do
ln -s "${f}${version}" "${path}${f}" || \
die -q "Could not set ${f} symlink"
done
# these can fail
if [[ -e "${path}gem${version}" ]] ; then
ln -s "gem${version}" "${path}gem" || \
die -q "Could not set gem symlink"
else
write_warning_msg "Could not set gem symlink"
echo "It appears you do not have RubyGems installed for this profile."
echo "If you need RubyGems, emerge dev-ruby/rubygems with the appropriate RUBY_TARGETS setting."
echo
fi
[[ $(portageq envvar FEATURES) =~ noman ]] || create_man_links ${version}
write_list_start "Successfully switched to profile:"
write_kv_list_entry "${target}" ""
}
### show action ###
describe_show() {
echo "Prints the current configuration."
}
do_show() {
[[ -z "${@}" ]] || die -q "This function does not expect any arguments"
local rb=""
write_list_start "Current Ruby version:"
if [[ -L "${EROOT}${bindir}/ruby" ]] ; then
rb=$(basename $(canonicalise ${EROOT}${bindir}/ruby ) )
write_kv_list_entry $rb ""
elif [[ -e "${EROOT}${bindir}/ruby" ]] ; then
write_warning_msg "${bindir}/ruby is a SLOT incompatible version."
write_kv_list_entry "$(basename $(canonicalise ${EROOT}${bindir}/ruby ) )" ""
else
write_kv_list_entry "(none)"
return 1
fi
write_list_start "Current Rubygems version:"
if [[ -L "${EROOT}${bindir}/gem" ]] ; then
write_kv_list_entry "$(basename $(canonicalise ${EROOT}${bindir}/gem ) )" ""
elif [[ -e "${EROOT}${bindir}/gem" ]] ; then
write_warning_msg "${bindir}/gem is a SLOT incompatible version."
write_kv_list_entry "$(basename $(canonicalise ${EROOT}${bindir}/gem) )" ""
else
write_kv_list_entry "gem??" "(not found)"
fi
}
### list action ###
describe_list() {
echo "Lists available Ruby profiles."
}
do_list() {
write_list_start "Available Ruby profiles:"
local targets=( $(find_targets) )
local i line
for (( i = 0; i < ${#targets[@]}; i++ )) ; do
line=$(basename "${targets[i]}")
# Do we have a matching rubygems?
if [[ -e ${targets[i]/ruby/gem} ]] ; then
line="${line} (with Rubygems)"
fi
# find out the current version
if [[ ${targets[i]} = $(canonicalise "${EROOT}${bindir}/ruby") ]] ; then
targets[i]=$(highlight_marker "${line}")
else
targets[i]=${line}
fi
done
write_numbered_list -m "(none found)" "${targets[@]}"
}
### set action ###
describe_set() {
echo "Switches to a ruby profile."
}
describe_set_options() {
echo "target : Target name or number (from 'list' action)"
}
describe_set_parameters() {
echo "<target>"
}
do_set() {
[[ -z ${@} ]] && die -q "Parameter expected."
local target=$(check_target ${1})
[[ $target = "invalid" ]] && die -q "Can't use that profile. No suitable Ruby interpreter found."
remove_symlinks || \
die -q "Could not remove symlinks"
create_symlinks ${target}
}
### cleanup action ###
describe_cleanup() {
echo "This action is not to be called manually."
}
do_cleanup() {
[[ -z ${@} ]] || die -q "This function does not expect any arguments"
# Do we need to clean up?
if [[ -e "${EROOT}${bindir}"/$(readlink "${EROOT}${bindir}/ruby") ]]; then
echo "Nothing to clean up."
return
fi
local targets=( $(find_targets) )
remove_symlinks || \
die -q "Could not remove symlinks"
if [[ ${#targets[@]} -ne 0 ]] ; then
echo "Marking the latest still installed version as default..."
create_symlinks $(basename ${targets[@]: -1})
else
echo "No ruby profiles left on the system. Stale symlinks removed."
fi
}
|
GitWeb