blob: 54c8b1f5f9a36ccbcd860c9c2ed8053c69806933 (
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
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
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
#! /bin/sh
# $Id$
# vim:et:ft=sh:sts=2:sw=2
#
# Copyright 2008-2016 Kate Ward. All Rights Reserved.
# Released under the Apache License.
#
# Author: kate.ward@forestent.com (Kate Ward)
#
# This library provides reusable functions that determine actual names and
# versions of installed shells and the OS. The library can also be run as a
# script if set execuatable.
ARGV0=`basename "$0"`
LSB_RELEASE='/etc/lsb-release'
VERSIONS_SHELLS="/bin/bash /bin/dash /bin/ksh /bin/pdksh /bin/sh /bin/zsh"
TRUE=0
FALSE=1
ERROR=2
UNAME_R=`uname -r`
UNAME_S=`uname -s`
__versions_haveStrings=${ERROR}
#------------------------------------------------------------------------------
# functions
#
versions_osName()
{
os_name_='unrecognized'
os_system_=${UNAME_S}
case ${os_system_} in
CYGWIN_NT-*) os_name_='Cygwin' ;;
Darwin) os_name_='Mac OS X' ;;
FreeBSD) os_name_='FreeBSD' ;;
Linux) os_name_='Linux' ;;
SunOS)
if grep 'OpenSolaris' /etc/release >/dev/null; then
os_name_='OpenSolaris'
else
os_name_='Solaris'
fi
;;
esac
echo ${os_name_}
unset os_name_ os_system_
}
versions_osVersion()
{
os_version_='unrecognized'
os_system_=${UNAME_S}
os_release_=${UNAME_R}
case ${os_system_} in
CYGWIN_NT-*)
os_version_=`expr "${os_release_}" : '\([0-9]*\.[0-9]\.[0-9]*\).*'`
;;
Darwin)
major_='10'
sub_=`echo ${os_release_} |sed 's/^[0-9]*\.\([0-9]*\)\.[0-9]*$/\1/'`
case ${os_release_} in
8.*) minor_='4' ;;
9.*) minor_='5' ;;
10.*) minor_='6' ;;
11.*) minor_='7' ;;
12.*) minor_='8' ;;
13.*) minor_='9' ;;
15.*) minor_='10' ;;
*) minor_='X'; sub_='X' ;;
esac
os_version_="${major_}.${minor_}.${sub_}"
;;
FreeBSD)
os_version_=`expr "${os_release_}" : '\([0-9]*\.[0-9]*\)-.*'`
;;
Linux)
if [ -r "${LSB_RELEASE}" ]; then
if grep -q 'DISTRIB_ID=Ubuntu' "${LSB_RELEASE}"; then
os_version_=`cat "${LSB_RELEASE}" \
|awk -F= '$1~/DISTRIB_DESCRIPTION/{print $2}' \
|sed 's/"//g;s/ /-/g'`
fi
elif [ -r '/etc/redhat-release' ]; then
os_version_=`cat /etc/redhat-release`
fi
;;
SunOS)
if grep 'OpenSolaris' /etc/release >/dev/null; then
os_version_=`grep 'OpenSolaris' /etc/release |awk '{print $2"("$3")"}'`
else
major_=`echo ${os_release_} |sed 's/[0-9]*\.\([0-9]*\)/\1/'`
minor_=`grep Solaris /etc/release |sed 's/[^u]*\(u[0-9]*\).*/\1/'`
os_version_="${major_}${minor_}"
fi
;;
esac
echo ${os_version_}
unset os_name_ os_release_ os_version_ major_ minor_ sub_
}
versions_shellVersion()
{
shell_=$1
if [ ! -x "${shell_}" ]; then
echo 'not installed'
return
fi
version_=''
case ${shell_} in
*/sh)
# TODO(kward): fix this
## this could be one of any number of shells. try until one fits.
#version_=`versions_shell_bash ${shell_}`
## dash cannot be self determined yet
#[ -z "${version_}" ] && version_=`versions_shell_ksh ${shell_}`
## pdksh is covered in versions_shell_ksh()
#[ -z "${version_}" ] && version_=`versions_shell_zsh ${shell_}`
;;
*/bash) version_=`versions_shell_bash ${shell_}` ;;
*/dash)
# simply assuming Ubuntu Linux until somebody comes up with a better
# test. the following test will return an empty string if dash is not
# installed.
version_=`versions_shell_dash`
;;
*/ksh) version_=`versions_shell_ksh ${shell_}` ;;
*/pdksh) version_=`versions_shell_pdksh ${shell_}` ;;
*/zsh) version_=`versions_shell_zsh ${shell_}` ;;
*) version_='invalid'
esac
echo ${version_:-unknown}
unset shell_ version_
}
versions_shell_bash()
{
$1 --version 2>&1 |grep 'GNU bash' |sed 's/.*version \([^ ]*\).*/\1/'
}
versions_shell_dash()
{
eval dpkg >/dev/null 2>&1
[ $? -eq 127 ] && return # return if dpkg not found
dpkg -l |grep ' dash ' |awk '{print $3}'
}
versions_shell_ksh()
{
versions_shell_=$1
# try a few different ways to figure out the version
versions_version_=`${versions_shell_} --version : 2>&1`
if [ $? -eq 0 ]; then
versions_version_=`echo "${versions_version_}" \
|sed 's/.*\([0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]\).*/\1/'`
else
versions_version_=''
fi
if [ -z "${versions_version_}" ]; then
_versions_have_strings
versions_version_=`strings ${versions_shell_} 2>&1 \
|grep Version \
|sed 's/^.*Version \(.*\)$/\1/;s/ s+ \$$//;s/ /-/g'`
fi
if [ -z "${versions_version_}" ]; then
versions_version_=`versions_shell_pdksh ${versions_shell_}`
fi
echo ${versions_version_}
unset versions_shell_ versions_version_
}
versions_shell_pdksh()
{
_versions_have_strings
strings $1 2>&1 \
|grep 'PD KSH' \
|sed -e 's/.*PD KSH \(.*\)/\1/;s/ /-/g'
}
versions_shell_zsh()
{
versions_shell_=$1
# try a few different ways to figure out the version
versions_version_=`echo 'echo ${ZSH_VERSION}' |${versions_shell_}`
if [ -z "${versions_version_}" ]; then
versions_version_=`${versions_shell_} --version 2>&1 |awk '{print $2}'`
fi
echo ${versions_version_}
unset versions_shell_ versions_version_
}
# Determine if the 'strings' binary installed.
_versions_have_strings()
{
[ ${__versions_haveStrings} -ne ${ERROR} ] && return
eval strings /dev/null >/dev/null 2>&1
if [ $? -eq 0 ]; then
__versions_haveStrings=${TRUE}
else
echo 'WARN: strings not installed. try installing binutils?' >&2
__versions_haveStrings=${FALSE}
fi
}
#------------------------------------------------------------------------------
# main
#
versions_main()
{
# treat unset variables as an error
set -u
os_name=`versions_osName`
os_version=`versions_osVersion`
echo "os: ${os_name} version: ${os_version}"
for shell in ${VERSIONS_SHELLS}; do
shell_version=`versions_shellVersion ${shell}`
echo "shell: ${shell} version: ${shell_version}"
done
}
if [ "${ARGV0}" = 'versions' ]; then
versions_main "$@"
fi
|