blob: fa61b6cce3571210ea0507209018ffc57e177a5a (
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
|
#!/usr/bin/env bash
# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
__eapi7_ver_parse_range() {
local range=${1}
local max=${2}
[[ ${range} == [0-9]* ]] \
|| die "${FUNCNAME}: range must start with a number"
start=${range%-*}
[[ ${range} == *-* ]] && end=${range#*-} || end=${start}
if [[ ${end} ]]; then
[[ ${start} -le ${end} ]] \
|| die "${FUNCNAME}: end of range must be >= start"
[[ ${end} -le ${max} ]] || end=${max}
else
end=${max}
fi
}
__eapi7_ver_split() {
local v=${1} LC_ALL=C
comp=()
# get separators and components
local s c
while [[ ${v} ]]; do
# cut the separator
s=${v%%[a-zA-Z0-9]*}
v=${v:${#s}}
# cut the next component; it can be either digits or letters
[[ ${v} == [0-9]* ]] && c=${v%%[^0-9]*} || c=${v%%[^a-zA-Z]*}
v=${v:${#c}}
comp+=( "${s}" "${c}" )
done
}
ver_cut() {
local range=${1}
local v=${2:-${PV}}
local start end
local -a comp
__eapi7_ver_split "${v}"
local max=$((${#comp[@]}/2))
__eapi7_ver_parse_range "${range}" "${max}"
local IFS=
if [[ ${start} -gt 0 ]]; then
start=$(( start*2 - 1 ))
fi
echo "${comp[*]:start:end*2-start}"
}
ver_rs() {
local v
(( ${#} & 1 )) && v=${@: -1} || v=${PV}
local start end i
local -a comp
__eapi7_ver_split "${v}"
local max=$((${#comp[@]}/2 - 1))
while [[ ${#} -ge 2 ]]; do
__eapi7_ver_parse_range "${1}" "${max}"
for (( i = start*2; i <= end*2; i+=2 )); do
[[ ${i} -eq 0 && -z ${comp[i]} ]] && continue
comp[i]=${2}
done
shift 2
done
local IFS=
echo "${comp[*]}"
}
__eapi7_ver_compare_int() {
local a=$1 b=$2 d=$(( ${#1}-${#2} ))
# Zero-pad to equal length if necessary.
if [[ ${d} -gt 0 ]]; then
printf -v b "%0${d}d%s" 0 "${b}"
elif [[ ${d} -lt 0 ]]; then
printf -v a "%0$(( -d ))d%s" 0 "${a}"
fi
[[ ${a} > ${b} ]] && return 3
[[ ${a} == "${b}" ]]
}
__eapi7_ver_compare() {
local va=${1} vb=${2} a an al as ar b bn bl bs br re LC_ALL=C
re="^([0-9]+(\.[0-9]+)*)([a-z]?)((_(alpha|beta|pre|rc|p)[0-9]*)*)(-r[0-9]+)?$"
[[ ${va} =~ ${re} ]] || die "${FUNCNAME}: invalid version: ${va}"
an=${BASH_REMATCH[1]}
al=${BASH_REMATCH[3]}
as=${BASH_REMATCH[4]}
ar=${BASH_REMATCH[7]}
[[ ${vb} =~ ${re} ]] || die "${FUNCNAME}: invalid version: ${vb}"
bn=${BASH_REMATCH[1]}
bl=${BASH_REMATCH[3]}
bs=${BASH_REMATCH[4]}
br=${BASH_REMATCH[7]}
# Compare numeric components (PMS algorithm 3.2)
# First component
__eapi7_ver_compare_int "${an%%.*}" "${bn%%.*}" || return
while [[ ${an} == *.* && ${bn} == *.* ]]; do
# Other components (PMS algorithm 3.3)
an=${an#*.}
bn=${bn#*.}
a=${an%%.*}
b=${bn%%.*}
if [[ ${a} == 0* || ${b} == 0* ]]; then
# Remove any trailing zeros
[[ ${a} =~ 0+$ ]] && a=${a%"${BASH_REMATCH[0]}"}
[[ ${b} =~ 0+$ ]] && b=${b%"${BASH_REMATCH[0]}"}
[[ ${a} > ${b} ]] && return 3
[[ ${a} < ${b} ]] && return 1
else
__eapi7_ver_compare_int "${a}" "${b}" || return
fi
done
[[ ${an} == *.* ]] && return 3
[[ ${bn} == *.* ]] && return 1
# Compare letter components (PMS algorithm 3.4)
[[ ${al} > ${bl} ]] && return 3
[[ ${al} < ${bl} ]] && return 1
# Compare suffixes (PMS algorithm 3.5)
as=${as#_}${as:+_}
bs=${bs#_}${bs:+_}
while [[ -n ${as} && -n ${bs} ]]; do
# Compare each suffix (PMS algorithm 3.6)
a=${as%%_*}
b=${bs%%_*}
if [[ ${a%%[0-9]*} == "${b%%[0-9]*}" ]]; then
__eapi7_ver_compare_int "${a##*[a-z]}" "${b##*[a-z]}" || return
else
# Check for p first
[[ ${a%%[0-9]*} == p ]] && return 3
[[ ${b%%[0-9]*} == p ]] && return 1
# Hack: Use that alpha < beta < pre < rc alphabetically
[[ ${a} > ${b} ]] && return 3 || return 1
fi
as=${as#*_}
bs=${bs#*_}
done
if [[ -n ${as} ]]; then
[[ ${as} == p[_0-9]* ]] && return 3 || return 1
elif [[ -n ${bs} ]]; then
[[ ${bs} == p[_0-9]* ]] && return 1 || return 3
fi
# Compare revision components (PMS algorithm 3.7)
__eapi7_ver_compare_int "${ar#-r}" "${br#-r}" || return
return 2
}
ver_test() {
local va op vb
if [[ $# -eq 3 ]]; then
va=${1}
shift
else
va=${PVR}
fi
[[ $# -eq 2 ]] || die "${FUNCNAME}: bad number of arguments"
op=${1}
vb=${2}
case ${op} in
-eq|-ne|-lt|-le|-gt|-ge) ;;
*) die "${FUNCNAME}: invalid operator: ${op}" ;;
esac
__eapi7_ver_compare "${va}" "${vb}"
test $? "${op}" 2
}
|
GitWeb