blob: 2e26109296f275374ffe25485906fc8b6f50a950 (
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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
DESCRIPTION="Manage Ruby on Rails versions"
MAINTAINER="graaff@gentoo.org"
SVN_DATE='$Date: $'
VERSION=$(svn_date_to_version "${SVN_DATE}" )
RAILS="${EROOT}/usr/bin/rails"
# find a list of rails symlink targets, best first
find_targets() {
for f in \
${RAILS}-5.2* \
${RAILS}-5.1* \
${RAILS}-5.0* \
${RAILS}-4.2* \
${RAILS}-4.1* \
${RAILS}-4.0* \
${RAILS}-3.2* \
${RAILS}-3.1* \
${RAILS}-3.0* \
${RAILS}-2.3* \
; do
if [[ -f ${f} ]] ; then
echo $(basename ${f} )
fi
done
}
# try to remove the rails symlink
remove_symlink() {
rm "${RAILS}" &>/dev/null
}
# determine the version
get_version() {
local basename="$(basename $(canonicalise ${RAILS} ) )"
local version=${basename#*-}
echo ${version}
}
# set the rails symlink
set_symlink() {
target=${1}
if is_number "${target}" && [[ ${target} -ge 1 ]] ; then
targets=( $(find_targets ) )
target=${targets[$(( ${target} - 1 ))]}
fi
if [[ -f "${ROOT}/usr/bin/${target}" ]] ; then
remove_symlink
ln -s "${ROOT}/usr/bin/${target}" "${RAILS}" || \
die "Couldn't set ${target} symlink"
else
die -q "Target \"${1}\" doesn't appear to be valid!"
fi
}
set_symlink_default() {
set_symlink 1
}
set_symlink_by_slot() {
slot=${1}
local target=$(ls ${RAILS}-${slot}* 2>/dev/null)
if [[ -n ${target} ]]; then
remove_symlink
ln -s ${target} ${RAILS}
else
die -q "No providers available for slot ${slot}"
fi
}
### show action ###
describe_show() {
echo "Manage Ruby on Rails versions"
}
do_show() {
if [[ ${#} -gt 0 ]]; then
die -q "Usage error. No parameters allowed"
fi
write_list_start "Current Ruby on Rails version:"
if [[ -L "${RAILS}" ]] ; then
write_kv_list_entry "$(basename $(canonicalise ${RAILS} ) )" ""
elif [[ -e "${RAILS}" ]] ; then
write_kv_list_entry "(not a symlink)" ""
else
write_kv_list_entry "(unset)" ""
fi
}
### list action ###
describe_list() {
echo "List available Ruby on Rails versions"
}
do_list() {
if [[ ${#} -gt 0 ]]; then
die -q "Usage error: no parameters allowed"
fi
local i targets
targets=( $(find_targets) )
for (( i = 0; i < ${#targets[@]}; i++ )); do
[[ ${targets[i]} = \
$(basename "$(canonicalise "${ROOT}/usr/bin/rails")") ]] \
&& targets[i]=$(highlight_marker "${targets[i]}")
done
write_list_start "Available Ruby on Rails versions:"
write_numbered_list -m "(none found)" "${targets[@]}"
}
### set action ###
describe_set() {
echo "Set a new Ruby on Rails version"
}
describe_set_options() {
echo "target : Target name or number (from 'list' action)"
}
describe_set_parameters() {
echo "<target>"
}
do_set() {
if [[ $# -gt 1 ]]; then
die -q "Too many parameters. Expected only 1."
fi
local version=${1}
if [[ -z ${version} ]] ; then
die -q "You didn't give me a version name"
elif [[ -L "${RAILS}" ]] ; then
if ! remove_symlink ; then
die -q "Can't remove existing rails binary"
elif ! set_symlink "${1}" ; then
die -q "Can't set new rails binary"
fi
elif [[ -e "${RAILS}" ]] ; then
write_warning_msg "Can't set a new rails provider. There's a file in the way at ${RAILS}. You can try removing it manually, and then re-running this command."
else
set_symlink ${version} || die -q "Wasn't able to set a new provider"
fi
}
### update action ###
describe_update() {
echo "Updates the rails symlink to the latest version available"
}
do_update() {
# Only set a symlink if there are any version of rails present
local target=1
local targets=( $(find_targets ) )
if [[ -z ${targets[@]} ]] ; then
remove_symlink
fi
target=${targets[$(( ${target} - 1 ))]}
if [[ -f "${ROOT}/usr/bin/${target}" ]] ; then
set_symlink_default
fi
do_show
}
# vim: set ft=eselect :
|
GitWeb