blob: 8c81a589eb9ff5a54773c98f25f2f735e309df6a (
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
|
#!/bin/sh
PREFIX=
. "$PREFIX/lib/libalpine.sh"
zroot=/usr/share/zoneinfo
usage() {
cat <<__EOF__
usage: setup-timezone [-h] [-z subdir of $zroot]
Sets the timezone for the system.
options:
-h Show this help
-z Specify the timezone as a subfolder of $zroot
__EOF__
exit 1
}
show_tz_list() {
local i z= list=
local path="$zroot/$1"
[ -d "$path" ] || return 1
for i in $(find $path -maxdepth 1); do
case $i in
*.tab|*/) continue;;
esac
if [ -d "$i" ]; then
z="$z ${i##*/}/"
else
z="$z ${i##*/}"
fi
done
( cd $path && ls --color=never -Cd $z )
}
valid_tz() {
find $zroot -type f -a -not -name '*.tab' -a -not -name 'Factory' \
| xargs posixtz | sort | uniq | grep -q -w "$1"
}
while getopts "hz:" opt; do
case $opt in
h) usage;;
z) ZONEINFOFOLDER="$OPTARG";;
esac
done
if ! apk info --quiet --installed tzdata; then
apk add --quiet tzdata && apkdel="tzdata" || exit 1
fi
zonepath=$(cat /etc/TZ 2>/dev/null)
[ -z "$zonepath" ] && zonepath="UTC"
while true; do
if [ -n "$ZONEINFOFOLDER" ]; then
TZ=$(posixtz "$ZONEINFOFOLDER") || echo "Failed to convert '$ZONEINFOFOLDER' to POSIX TZ"
if [ -n "$TZ" ]; then
echo $TZ > /etc/TZ || rm -f /etc/TZ
fi
break
fi
echo -n "Which timezone are you in? ('?' for list) [$zonepath] "
default_read zonepath "$zonepath"
case "$zonepath" in
"") continue;;
"?") show_tz_list; continue;;
esac
while [ -d "$zroot/$zonepath" ]; do
zone=
echo -n "What sub-timezone of '$zonepath' are you in? ('?' for list) "
default_read zone
case "$zone" in
"?") show_tz_list "$zonepath"; continue;;
esac
zonepath="$zonepath/$zone"
done
TZ=
if valid_tz "$zonepath"; then
TZ="$zonepath"
elif [ -f "$zroot/$zonepath" ]; then
TZ=$(posixtz "$zroot/$zonepath") \
|| echo "Failed to convert '$zroot/$zonepath' to POSIX TZ"
fi
if [ -n "$TZ" ]; then
echo $TZ > /etc/TZ || rm -f /etc/TZ
break
fi
echo "'$zonepath' is not a valid timezone on this system"
done
if [ -n "$apkdel" ]; then
apk del --quiet $apkdel
fi
|
