slitaz-base-files annotate rootfs/lib/libtaz.sh @ rev 263
libtaz.sh: fix '_' and '_n' when used space-separated arguments: _ 'Run "%s" in /.' "tazpkg -i $pkg"
author | Aleksej Bobylev <al.bobylev@gmail.com> |
---|---|
date | Thu Dec 04 16:50:29 2014 +0200 (2014-12-04) |
parents | a410c3feb222 |
children | e9258bc4e858 |
rev | line source |
---|---|
pankso@125 | 1 #!/bin/sh |
pankso@125 | 2 # |
pankso@125 | 3 # SliTaz Base functions used from boot scripts to end user tools. Use |
pankso@125 | 4 # gettext and not echo for messages. Keep output suitable for GTK boxes |
pankso@125 | 5 # and Ncurses dialog. LibTaz should not depend on any configuration file. |
paul@166 | 6 # No bloated code here, functions must be used by at least 3-4 tools. |
pankso@139 | 7 # |
pankso@139 | 8 # Documentation: man libtaz or /usr/share/doc/slitaz/libtaz.txt |
pankso@125 | 9 # |
pascal@226 | 10 # Copyright (C) 2012-2014 SliTaz GNU/Linux - BSD License |
pankso@125 | 11 # |
pankso@125 | 12 |
pankso@125 | 13 . /usr/bin/gettext.sh |
al@177 | 14 |
al@219 | 15 # short names for common i18n functions (like 'echo' and 'echo -n') |
al@263 | 16 _() { local T="$1"; shift; printf "$(eval_gettext "$T")" "$@"; echo; } |
al@263 | 17 _n() { local T="$1"; shift; printf "$(eval_gettext "$T")" "$@"; } |
al@261 | 18 # usage #1: _ 'Hello, $USER!' |
al@261 | 19 # usage #2: _ 'Hello, %s!' $USER |
al@219 | 20 |
al@219 | 21 # internal i18n |
al@219 | 22 lgettext() { gettext -d 'slitaz-base' "$@"; } |
pankso@125 | 23 |
pankso@125 | 24 # Internal variables. |
al@177 | 25 okmsg="$(lgettext 'Done')" |
al@177 | 26 ermsg="$(lgettext 'Failed')" |
pankso@174 | 27 : ${okcolor=32} |
pankso@174 | 28 : ${ercolor=31} |
pankso@174 | 29 : ${decolor=36} |
pankso@125 | 30 |
pankso@137 | 31 # Parse cmdline options and store values in a variable. |
pankso@125 | 32 for opt in "$@" |
pankso@125 | 33 do |
pankso@125 | 34 case "$opt" in |
al@223 | 35 --*=*) export "${opt#--}" ;; |
al@258 | 36 --*) export ${opt#--}="yes" ;; |
pankso@125 | 37 esac |
pankso@125 | 38 done |
pankso@131 | 39 [ "$HTTP_REFERER" ] && output="html" |
pankso@125 | 40 |
pankso@187 | 41 # Get terminal columns |
pankso@187 | 42 get_cols() { |
al@249 | 43 stty size 2>/dev/null | busybox cut -d " " -f 2 |
pankso@187 | 44 } |
pankso@187 | 45 |
pankso@125 | 46 # Return command status. Default to colored console output. |
pankso@125 | 47 status() { |
pankso@125 | 48 local check=$? |
pankso@131 | 49 case $output in |
pankso@161 | 50 raw|gtk) |
pankso@161 | 51 done=" $okmsg" |
pankso@131 | 52 error=" $ermsg" ;; |
pankso@131 | 53 html) |
pankso@167 | 54 done=" <span style='color: $okcolor;'>$okmsg</span>" |
pankso@167 | 55 error=" <span style='color: $ercolor;'>$ermsg</span>" ;; |
pankso@136 | 56 *) |
pankso@187 | 57 local cols=$(get_cols) |
pankso@187 | 58 [ "$cols" ] || cols=80 |
pankso@131 | 59 local scol=$(($cols - 10)) |
pankso@131 | 60 done="\\033[${scol}G[ \\033[1;${okcolor}m${okmsg}\\033[0;39m ]" |
pankso@131 | 61 error="\\033[${scol}G[ \\033[1;${ercolor}m${ermsg}\\033[0;39m ]" ;; |
pankso@131 | 62 esac |
pankso@125 | 63 if [ $check = 0 ]; then |
pankso@125 | 64 echo -e "$done" |
pankso@125 | 65 else |
pankso@125 | 66 echo -e "$error" |
pankso@125 | 67 fi |
pankso@125 | 68 } |
pankso@125 | 69 |
pankso@125 | 70 # Line separator. |
pankso@125 | 71 separator() { |
pankso@132 | 72 local sepchar="=" |
pankso@132 | 73 [ "$HTTP_REFERER" ] && local sepchar="<hr />" |
pankso@132 | 74 case $output in |
al@258 | 75 raw|gtk) local sepchar="-"; local cols="8" ;; |
al@258 | 76 html) local sepchar="<hr />" ;; |
pankso@187 | 77 *) |
pankso@187 | 78 local cols=$(get_cols) |
pankso@187 | 79 [ "$cols" ] || cols=80 ;; |
pankso@132 | 80 esac |
pankso@125 | 81 for c in $(seq 1 $cols); do |
pankso@131 | 82 echo -n "$sepchar" |
pankso@125 | 83 done && echo "" |
pankso@125 | 84 } |
pankso@125 | 85 |
pankso@164 | 86 # New line for echo -n or gettext. |
pankso@164 | 87 newline() { |
pankso@164 | 88 echo "" |
pankso@164 | 89 } |
pankso@164 | 90 |
pankso@125 | 91 # Display a bold message. GTK Yad: Works only in --text="" |
pankso@125 | 92 boldify() { |
pankso@125 | 93 case $output in |
al@258 | 94 raw) echo "$@" ;; |
al@258 | 95 gtk) echo "<b>$@</b>" ;; |
meshca@149 | 96 html) echo "<strong>$@</strong>" ;; |
meshca@149 | 97 *) echo -e "\\033[1m$@\\033[0m" ;; |
pankso@125 | 98 esac |
pankso@125 | 99 } |
pankso@125 | 100 |
al@193 | 101 # Usage: colorize colorNB "Message" or use --color=NB option |
pankso@167 | 102 # when running a tool. Default to white/38 and no html or gtk. |
pankso@167 | 103 colorize() { |
meshca@175 | 104 : ${color=$1} |
meshca@175 | 105 shift |
meshca@175 | 106 local content="$@" |
pankso@167 | 107 case $output in |
meshca@175 | 108 raw|gtk|html) echo "$content" ;; |
pankso@167 | 109 *) |
pankso@168 | 110 [ "$color" ] || color=38 |
meshca@175 | 111 echo -e "\\033[1;${color}m${content}\\033[0;39m" ;; |
pankso@167 | 112 esac |
pankso@167 | 113 unset color |
pankso@167 | 114 } |
pankso@167 | 115 |
pankso@174 | 116 # Indent text $1 spaces. |
pankso@161 | 117 indent() { |
meshca@158 | 118 local in="$1" |
meshca@158 | 119 shift |
pankso@161 | 120 echo -e "\033["$in"G $@"; |
meshca@158 | 121 } |
meshca@158 | 122 |
al@193 | 123 # Extended MeSsaGe output |
al@193 | 124 emsg() { |
al@193 | 125 local sep="\n--------\n" |
al@193 | 126 case $output in |
al@193 | 127 raw) |
al@193 | 128 echo "$@" | sed -e 's|<b>||g; s|</b>||g; s|<c [0-9]*>||g; \ |
al@193 | 129 s|</c>||g; s|<->|'$sep'|g; s|<n>|\n|g; s|<i [0-9]*>| |g' ;; |
al@193 | 130 gtk) |
al@193 | 131 echo "$@" | sed -e 's|<c [0-9]*>||g; s|</c>||g; s|<->|'$sep'|g; \ |
al@193 | 132 s|<n>|\n|g; s|<i [0-9]*>| |g' ;; |
al@193 | 133 html) |
al@193 | 134 echo "$@" | sed -e 's|<b>|<strong>|g; s|</b>|</strong>|g; \ |
al@193 | 135 s|<n>|<br/>|g; s|<->|<hr/>|g; s|<i [0-9]*>| |g' ;; |
al@193 | 136 *) |
al@193 | 137 local sep="\n" |
al@193 | 138 local cols=$(get_cols) |
al@193 | 139 [ "$cols" ] || cols=80 |
al@258 | 140 for c in $(seq 1 $cols); do |
al@193 | 141 sep="${sep}=" |
al@193 | 142 done |
al@193 | 143 echo -en "$(echo "$@" | sed -e 's|<b>|\\033[1m|g; s|</b>|\\033[0m|g; \ |
al@193 | 144 s|<c \([0-9]*\)>|\\033[1;\1m|g; s|</c>|\\033[0;39m|g; s|<n>|\n|g; \ |
al@193 | 145 s|<->|'$sep'|g; s|<i \([0-9]*\)>|\\033[\1G|g')" |
al@193 | 146 [ "$1" != "-n" ] && echo |
al@193 | 147 ;; |
al@193 | 148 esac |
al@193 | 149 } |
al@193 | 150 |
pankso@125 | 151 # Check if user is logged as root. |
pankso@125 | 152 check_root() { |
pankso@125 | 153 if [ $(id -u) != 0 ]; then |
al@258 | 154 lgettext "You must be root to execute:"; echo " $(basename $0) $@" |
pankso@125 | 155 exit 1 |
pankso@125 | 156 fi |
pankso@125 | 157 } |
meshca@158 | 158 |
pankso@174 | 159 # Display debug info when --debug is used. |
meshca@169 | 160 debug() { |
al@193 | 161 [ "$debug" ] && echo "$(colorize $decolor 'DEBUG:') $1" |
meshca@169 | 162 } |
meshca@169 | 163 |
pankso@161 | 164 # Gettextize yes/no. |
meshca@158 | 165 translate_query() { |
meshca@158 | 166 case $1 in |
al@177 | 167 y) lgettext "y" ;; |
al@177 | 168 Y) lgettext "Y" ;; |
al@177 | 169 n) lgettext "n" ;; |
al@177 | 170 N) lgettext "N" ;; |
meshca@158 | 171 # Support other cases but keep them untranslated. |
meshca@158 | 172 *) echo "$1" ;; |
meshca@158 | 173 esac |
meshca@158 | 174 } |
meshca@160 | 175 |
al@260 | 176 # Usage 1: echo -n "The question"; confirm |
al@260 | 177 # Usage 2: confirm "The question (y/N)?" |
pankso@161 | 178 confirm() { |
al@260 | 179 if [ -n "$yes" ]; then |
al@260 | 180 true |
al@260 | 181 else |
al@260 | 182 if [ -n "$1" ]; then |
al@260 | 183 echo -n "$1 " |
al@260 | 184 else |
al@260 | 185 echo -n " ($(translate_query y)/$(translate_query N)) ? " |
al@260 | 186 fi |
al@260 | 187 read answer |
al@260 | 188 [ "$answer" == "$(translate_query y)" ] |
al@260 | 189 fi |
meshca@160 | 190 } |
pankso@161 | 191 |
pankso@164 | 192 # Log activities. $activity should be set by the script. The log format |
pankso@164 | 193 # is suitable for web interfaces like cook. Usage: log "String" |
pankso@162 | 194 log() { |
pankso@163 | 195 [ "$activity" ] || activity=/var/log/slitaz/libtaz.log |
pankso@164 | 196 echo "$(date '+%Y-%m-%d %H:%M') : $@" >> $activity |
pankso@162 | 197 } |
al@221 | 198 |
al@221 | 199 # Sophisticated function to print two-column list of options with descriptions |
al@221 | 200 # Be UTF-8 friendly, not use `wc -L`, `awk length`, `${#string}` |
al@221 | 201 optlist() { |
al@221 | 202 local in cols col1=1 line |
al@221 | 203 in="$(echo "$1" | sed 's| *| |g')" |
al@221 | 204 cols=$(get_cols); [ "$cols" ] || cols=80 |
al@258 | 205 IFS=$'\n' |
al@221 | 206 for line in $in; do |
al@221 | 207 col=$(echo -n "$line" | cut -f1 | wc -m) |
al@221 | 208 [ $col -gt $col1 ] && col1=$col |
al@221 | 209 done |
al@221 | 210 echo "$in" | sed 's|\t|&\n|' | fold -sw$((cols - col1 - 4)) | \ |
al@221 | 211 sed "/\t/!{s|^.*$|[$((col1 + 4))G&|g}" | sed "/\t$/{N;s|.*| &|;s|\t\n||}" |
al@221 | 212 } |
al@221 | 213 |
al@221 | 214 # Wrap words in long terminal message |
al@221 | 215 longline() { |
al@221 | 216 cols=$(get_cols); [ "$cols" ] || cols=80 |
al@221 | 217 echo -e "$@" | fold -sw$cols |
al@221 | 218 } |