slitaz-base-files annotate rootfs/lib/libtaz.sh @ rev 328

libtaz.sh: get_cols(): allow > 80 cols.
author Aleksej Bobylev <al.bobylev@gmail.com>
date Wed Mar 01 13:07:13 2017 +0200 (2017-03-01)
parents 4cb0e4cf962e
children 8d2d656745d7
rev   line source
pankso@125 1 #!/bin/sh
pankso@125 2 #
al@270 3 # SliTaz Base functions.
al@270 4 # Documentation: `man libtaz` or /usr/share/doc/slitaz/libtaz.txt
pankso@139 5 #
al@270 6 # Copyright (C) 2012-2015 SliTaz GNU/Linux - BSD License
pankso@125 7 #
pankso@125 8
pankso@125 9 . /usr/bin/gettext.sh
al@279 10 alias sed="busybox sed"
al@177 11
al@270 12 # Internal
al@219 13 lgettext() { gettext -d 'slitaz-base' "$@"; }
al@270 14 translate_query() {
al@270 15 case $1 in
al@270 16 y) lgettext "y";;
al@270 17 Y) lgettext "Y";;
al@270 18 n) lgettext "n";;
al@270 19 N) lgettext "N";;
al@270 20 # Support other cases but keep them untranslated.
al@270 21 *) echo "$1" ;;
al@270 22 esac
al@270 23 }
al@177 24 okmsg="$(lgettext 'Done')"
al@177 25 ermsg="$(lgettext 'Failed')"
pankso@174 26 : ${okcolor=32}
pankso@174 27 : ${ercolor=31}
pankso@174 28 : ${decolor=36}
pankso@125 29
pankso@137 30 # Parse cmdline options and store values in a variable.
al@270 31 for opt in "$@"; do
al@278 32 opt_name="${opt%%=*}"; opt_name="$(echo -n "${opt_name#--}" | tr -c 'a-zA-Z0-9' '_')"
al@276 33 case "$opt" in
al@278 34 --[0-9]*=*) export _$opt_name="${opt#*=}" ;;
al@278 35 --[0-9]*) export _$opt_name=yes ;;
al@278 36 --*=*) export $opt_name="${opt#*=}" ;;
al@278 37 --*) export $opt_name=yes ;;
pankso@125 38 esac
pankso@125 39 done
al@270 40 [ "$HTTP_REFERER" ] && output='html'
al@270 41
al@270 42 # i18n functions
al@317 43 _() { local T="$1"; shift; printf "$(gettext "$T")" "$@"; echo; }
al@317 44 _n() { local T="$1"; shift; printf "$(gettext "$T")" "$@"; }
al@271 45 _p() { local S="$1" P="$2" N="$3"; shift 3; printf "$(ngettext "$S" "$P" "$N")" "$@"; }
pankso@125 46
pankso@187 47 # Get terminal columns
al@328 48 get_cols() { stty size 2>/dev/null | awk -vc=$cols 'END{print c?c:$2?$2:80}'; }
pankso@187 49
al@270 50 # Last command status
pankso@125 51 status() {
al@289 52 local ret_code=$?
al@289 53 [ -n "$quiet" -a "$ret_code" -eq 0 ] && return
al@289 54 [ -n "$quiet" ] && action "$saved_action" no-quiet
al@289 55
al@289 56 case $ret_code in
al@289 57 0) local msg="$okmsg" color="$okcolor";;
al@289 58 *) local msg="$ermsg" color="$ercolor";;
al@289 59 esac
pankso@131 60 case $output in
al@289 61 raw|gtk) echo " $msg";;
al@289 62 html) echo " <span class=\"float-right color$color\">$msg</span>";;
pankso@324 63 *)
pankso@324 64 local cols=$(get_cols)
pankso@324 65 local scol=$((${cols:-80} - 10))
pankso@324 66 echo -e "\\033[${scol}G[ \\033[1;${color}m$msg\\033[0;39m ]";;
al@270 67 esac
pankso@125 68 }
pankso@125 69
al@270 70 # Line separator
pankso@125 71 separator() {
al@289 72 [ -n "$quiet" ] && return
pankso@132 73 case $output in
al@288 74 gtk) echo '--------';;
al@289 75 html) echo -n '<hr/>';;
al@289 76 *) printf "%$(get_cols)s\n" | tr ' ' "${1:-=}";;
pankso@132 77 esac
pankso@125 78 }
pankso@125 79
al@270 80 # New line
al@289 81 newline() {
al@289 82 [ -z "$quiet" ] && echo
al@289 83 }
pankso@164 84
al@270 85 # Display a bold message
pankso@125 86 boldify() {
al@289 87 [ -n "$quiet" ] && return
pankso@125 88 case $output in
al@258 89 raw) echo "$@" ;;
al@258 90 gtk) echo "<b>$@</b>" ;;
meshca@149 91 html) echo "<strong>$@</strong>" ;;
meshca@149 92 *) echo -e "\\033[1m$@\\033[0m" ;;
pankso@125 93 esac
pankso@125 94 }
pankso@125 95
al@270 96 # Colorize message
pankso@167 97 colorize() {
al@289 98 [ -n "$quiet" ] && return
meshca@175 99 : ${color=$1}
meshca@175 100 shift
pankso@167 101 case $output in
al@270 102 raw|gtk) echo "$@";;
al@270 103 html) echo -n "<span class=\"color$color\">$@</span>";;
al@279 104 *) case $color in
al@279 105 0*) echo -e "\\033[${color:-38}m$@\\033[39m";;
al@279 106 *) echo -e "\\033[1;${color:-38}m$@\\033[0;39m";;
al@279 107 esac;;
pankso@167 108 esac
pankso@167 109 unset color
pankso@167 110 }
pankso@167 111
al@270 112 # Indent text
pankso@161 113 indent() {
al@289 114 [ -n "$quiet" ] && return
meshca@158 115 local in="$1"
meshca@158 116 shift
pankso@161 117 echo -e "\033["$in"G $@";
meshca@158 118 }
meshca@158 119
al@193 120 # Extended MeSsaGe output
al@193 121 emsg() {
al@289 122 [ -n "$quiet" ] && return
al@289 123 local sep="\n$(separator)\n"
al@193 124 case $output in
al@193 125 raw)
al@193 126 echo "$@" | sed -e 's|<b>||g; s|</b>||g; s|<c [0-9]*>||g; \
al@193 127 s|</c>||g; s|<->|'$sep'|g; s|<n>|\n|g; s|<i [0-9]*>| |g' ;;
al@193 128 gtk)
al@193 129 echo "$@" | sed -e 's|<c [0-9]*>||g; s|</c>||g; s|<->|'$sep'|g; \
al@193 130 s|<n>|\n|g; s|<i [0-9]*>| |g' ;;
al@193 131 html)
al@193 132 echo "$@" | sed -e 's|<b>|<strong>|g; s|</b>|</strong>|g; \
al@270 133 s|<c \([0-9]*\)>|<span class="color\1">|g; s|</c>|</span>|g; \
al@193 134 s|<n>|<br/>|g; s|<->|<hr/>|g; s|<i [0-9]*>| |g' ;;
al@193 135 *)
al@265 136 echo -en "$(echo "$@" | sed -e 's|<b>|\\033[1m|g; s|</b>|\\033[0m|g;
al@279 137 s|<c 0\([0-9]*\)>|\\033[\1m|g; s|<c \([1-9][0-9]*\)>|\\033[1;\1m|g;
al@279 138 s|</c>|\\033[0;39m|g; s|<n>|\n|g;
al@193 139 s|<->|'$sep'|g; s|<i \([0-9]*\)>|\\033[\1G|g')"
al@193 140 [ "$1" != "-n" ] && echo
al@193 141 ;;
al@193 142 esac
al@193 143 }
al@193 144
al@270 145 # Check if user is logged as root
pankso@125 146 check_root() {
al@289 147 if [ $(id -u) -ne 0 ]; then
al@258 148 lgettext "You must be root to execute:"; echo " $(basename $0) $@"
pankso@125 149 exit 1
pankso@125 150 fi
pankso@125 151 }
meshca@158 152
pankso@174 153 # Display debug info when --debug is used.
meshca@169 154 debug() {
al@270 155 [ -n "$debug" ] && echo "$(colorize $decolor 'DEBUG:') $1"
meshca@169 156 }
meshca@169 157
al@317 158 # Report error and finish work
al@317 159 die() { longline "$(_ "$@")" >&2; exit 1; }
al@317 160
al@317 161 # Interactive mode
al@317 162 im() { tty -s; }
al@317 163
al@270 164 # Confirmation
pankso@161 165 confirm() {
al@317 166 local answer='' defanswer='n'
al@309 167 # Check auto-answer, if any
al@309 168 [ -n "$yes" ] && answer='y'
al@309 169 [ -n "$noconfirm" ] && answer='n'
al@309 170 # Print question
al@309 171 if [ -n "$1" ]; then
al@317 172 case "$2" in
al@317 173 '') echo -n "$1 ";;
al@317 174 y|Y) echo -n "$1 [$(translate_query Y)/$(translate_query n)] "; defanswer='y';;
al@317 175 *) echo -n "$1 [$(translate_query y)/$(translate_query N)] ";;
al@317 176 esac
al@260 177 else
al@317 178 echo -n " [$(translate_query y)/$(translate_query N)] ? "
al@309 179 fi
al@309 180 # Is it auto-answer?
al@309 181 if [ -z "$answer" ]; then
al@317 182 im && read -t ${timeout:-30} answer
al@317 183 [ -z "$answer" ] && answer="$(translate_query "$defanswer")"
al@309 184 else
al@309 185 translate_query "$answer"; echo ' (auto)'
al@260 186 fi
al@309 187 # Return true/false to use in conditions
al@317 188 [ "$answer" == "$(translate_query y)" -o "$answer" == "$(translate_query Y)" ]
meshca@160 189 }
pankso@161 190
al@270 191 # Log activities
pankso@162 192 log() {
al@271 193 echo "$(date '+%F %R') : $@" >> ${activity:-/var/log/slitaz/libtaz.log}
pankso@162 194 }
al@221 195
al@270 196 # Print two-column list of options with descriptions
al@221 197 optlist() {
al@289 198 [ -n "$quiet" ] && return
al@289 199 local in="$(echo "$1" | sed 's| *| |g')" w=$(get_cols) col1=1 line
al@258 200 IFS=$'\n'
al@221 201 for line in $in; do
al@221 202 col=$(echo -n "$line" | cut -f1 | wc -m)
al@221 203 [ $col -gt $col1 ] && col1=$col
al@221 204 done
al@289 205 echo "$in" | sed 's|\t|&\n|' | fold -sw$((w - col1 - 4)) | \
al@221 206 sed "/\t/!{s|^.*$|[$((col1 + 4))G&|g}" | sed "/\t$/{N;s|.*| &|;s|\t\n||}"
al@221 207 }
al@221 208
al@221 209 # Wrap words in long terminal message
al@221 210 longline() {
al@289 211 [ -n "$quiet" ] && return
al@289 212 local w=$(get_cols)
al@289 213 echo -e "$@" | fold -sw$w
al@221 214 }
al@271 215
al@271 216 # Print localized title
al@271 217 title() {
al@289 218 [ -n "$quiet" ] && return
al@271 219 case $output in
al@271 220 html) echo "<section><header>$(_ "$@")</header><pre class=\"scroll\">";;
al@289 221 *) newline; boldify "$(_ "$@")"; separator;;
al@271 222 esac
al@271 223 }
al@271 224
al@271 225 # Print footer
al@271 226 footer() {
al@289 227 [ -n "$quiet" ] && return
al@271 228 case $output in
al@271 229 html) echo "</pre><footer>$1</footer></section>";;
al@271 230 *) separator; echo "$1"; [ -n "$1" ] && newline;;
al@271 231 esac
al@271 232 }
al@271 233
al@271 234 # Print current action
al@289 235 saved_action=''
al@271 236 action() {
al@289 237 saved_action="$1"
al@289 238 [ -n "$quiet" -a -z "$2" ] && return
al@289 239 local w c scol msg chars
paul@302 240 # Translators: 'w' is the width the wider translated message ('[ Done ]' or '[ Failed ]') takes in a terminal; place here the number
al@287 241 w=$(_ 'w'); w=${w/w/10}
al@289 242 c=$(get_cols)
al@289 243 scol=$(( $c - $w ))
al@287 244 msg="$(_n "$@" | fold -sw$scol)"
al@289 245 chars=$(echo -n "$msg" | tail -n1 | wc -m)
al@289 246 msg="$(printf '%s%'$(( $scol - $chars ))'s' "$msg" '')"
al@287 247
al@271 248 case $output in
al@287 249 raw|gtk|html) echo -n "$msg";;
al@287 250 *) echo -ne "\033[0;33m$msg\033[0m";;
al@271 251 esac
al@271 252 }
al@271 253
al@271 254 # Print long line as list item
al@271 255 itemize() {
al@289 256 [ -n "$quiet" ] && return
al@283 257 case $output in
al@283 258 gtk) echo "$@";;
al@283 259 *)
al@289 260 local inp="$@" w=$(get_cols) first offset
al@289 261 first="$(echo -e "$inp" | fold -sw$w | head -n1)"
al@283 262 echo "$first"
al@283 263 cols1="$(echo "${first:1}" | wc -c)"
al@283 264 offset=$(echo "$first" | sed -n 's|^\([^:\*-]*[:\*-]\).*$|\1|p' | wc -m)
al@289 265 echo "${inp:$cols1}" | fold -sw$((w - offset)) | awk \
al@283 266 '($0){printf "%'$offset's%s\n","",$0}'
al@283 267 ;;
al@283 268 esac
al@271 269 }