slitaz-base-files annotate rootfs/lib/libtaz.sh @ rev 327

libtaz.sh: get_cols is not working: find an other way :-)
author Christophe Lincoln <pankso@slitaz.org>
date Tue Feb 28 15:08:28 2017 +0100 (2017-02-28)
parents bbda30c03aff
children 133ee7fe8217
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
pankso@327 48 get_cols() {
pankso@327 49 #stty size 2>/dev/null | awk -vc=$cols 'END{print c?c:($2 && $2<80)?$2:80}';
pankso@327 50 if ! stty size | cut -d " " -f 2; then
pankso@327 51 echo 80
pankso@327 52 fi
pankso@327 53 }
pankso@187 54
al@270 55 # Last command status
pankso@125 56 status() {
al@289 57 local ret_code=$?
al@289 58 [ -n "$quiet" -a "$ret_code" -eq 0 ] && return
al@289 59 [ -n "$quiet" ] && action "$saved_action" no-quiet
al@289 60
al@289 61 case $ret_code in
al@289 62 0) local msg="$okmsg" color="$okcolor";;
al@289 63 *) local msg="$ermsg" color="$ercolor";;
al@289 64 esac
pankso@131 65 case $output in
al@289 66 raw|gtk) echo " $msg";;
al@289 67 html) echo " <span class=\"float-right color$color\">$msg</span>";;
pankso@324 68 *)
pankso@324 69 local cols=$(get_cols)
pankso@324 70 local scol=$((${cols:-80} - 10))
pankso@324 71 echo -e "\\033[${scol}G[ \\033[1;${color}m$msg\\033[0;39m ]";;
al@270 72 esac
pankso@125 73 }
pankso@125 74
al@270 75 # Line separator
pankso@125 76 separator() {
al@289 77 [ -n "$quiet" ] && return
pankso@132 78 case $output in
al@288 79 gtk) echo '--------';;
al@289 80 html) echo -n '<hr/>';;
al@289 81 *) printf "%$(get_cols)s\n" | tr ' ' "${1:-=}";;
pankso@132 82 esac
pankso@125 83 }
pankso@125 84
al@270 85 # New line
al@289 86 newline() {
al@289 87 [ -z "$quiet" ] && echo
al@289 88 }
pankso@164 89
al@270 90 # Display a bold message
pankso@125 91 boldify() {
al@289 92 [ -n "$quiet" ] && return
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$@\\033[0m" ;;
pankso@125 98 esac
pankso@125 99 }
pankso@125 100
al@270 101 # Colorize message
pankso@167 102 colorize() {
al@289 103 [ -n "$quiet" ] && return
meshca@175 104 : ${color=$1}
meshca@175 105 shift
pankso@167 106 case $output in
al@270 107 raw|gtk) echo "$@";;
al@270 108 html) echo -n "<span class=\"color$color\">$@</span>";;
al@279 109 *) case $color in
al@279 110 0*) echo -e "\\033[${color:-38}m$@\\033[39m";;
al@279 111 *) echo -e "\\033[1;${color:-38}m$@\\033[0;39m";;
al@279 112 esac;;
pankso@167 113 esac
pankso@167 114 unset color
pankso@167 115 }
pankso@167 116
al@270 117 # Indent text
pankso@161 118 indent() {
al@289 119 [ -n "$quiet" ] && return
meshca@158 120 local in="$1"
meshca@158 121 shift
pankso@161 122 echo -e "\033["$in"G $@";
meshca@158 123 }
meshca@158 124
al@193 125 # Extended MeSsaGe output
al@193 126 emsg() {
al@289 127 [ -n "$quiet" ] && return
al@289 128 local sep="\n$(separator)\n"
al@193 129 case $output in
al@193 130 raw)
al@193 131 echo "$@" | sed -e 's|<b>||g; s|</b>||g; s|<c [0-9]*>||g; \
al@193 132 s|</c>||g; s|<->|'$sep'|g; s|<n>|\n|g; s|<i [0-9]*>| |g' ;;
al@193 133 gtk)
al@193 134 echo "$@" | sed -e 's|<c [0-9]*>||g; s|</c>||g; s|<->|'$sep'|g; \
al@193 135 s|<n>|\n|g; s|<i [0-9]*>| |g' ;;
al@193 136 html)
al@193 137 echo "$@" | sed -e 's|<b>|<strong>|g; s|</b>|</strong>|g; \
al@270 138 s|<c \([0-9]*\)>|<span class="color\1">|g; s|</c>|</span>|g; \
al@193 139 s|<n>|<br/>|g; s|<->|<hr/>|g; s|<i [0-9]*>| |g' ;;
al@193 140 *)
al@265 141 echo -en "$(echo "$@" | sed -e 's|<b>|\\033[1m|g; s|</b>|\\033[0m|g;
al@279 142 s|<c 0\([0-9]*\)>|\\033[\1m|g; s|<c \([1-9][0-9]*\)>|\\033[1;\1m|g;
al@279 143 s|</c>|\\033[0;39m|g; s|<n>|\n|g;
al@193 144 s|<->|'$sep'|g; s|<i \([0-9]*\)>|\\033[\1G|g')"
al@193 145 [ "$1" != "-n" ] && echo
al@193 146 ;;
al@193 147 esac
al@193 148 }
al@193 149
al@270 150 # Check if user is logged as root
pankso@125 151 check_root() {
al@289 152 if [ $(id -u) -ne 0 ]; then
al@258 153 lgettext "You must be root to execute:"; echo " $(basename $0) $@"
pankso@125 154 exit 1
pankso@125 155 fi
pankso@125 156 }
meshca@158 157
pankso@174 158 # Display debug info when --debug is used.
meshca@169 159 debug() {
al@270 160 [ -n "$debug" ] && echo "$(colorize $decolor 'DEBUG:') $1"
meshca@169 161 }
meshca@169 162
al@317 163 # Report error and finish work
al@317 164 die() { longline "$(_ "$@")" >&2; exit 1; }
al@317 165
al@317 166 # Interactive mode
al@317 167 im() { tty -s; }
al@317 168
al@270 169 # Confirmation
pankso@161 170 confirm() {
al@317 171 local answer='' defanswer='n'
al@309 172 # Check auto-answer, if any
al@309 173 [ -n "$yes" ] && answer='y'
al@309 174 [ -n "$noconfirm" ] && answer='n'
al@309 175 # Print question
al@309 176 if [ -n "$1" ]; then
al@317 177 case "$2" in
al@317 178 '') echo -n "$1 ";;
al@317 179 y|Y) echo -n "$1 [$(translate_query Y)/$(translate_query n)] "; defanswer='y';;
al@317 180 *) echo -n "$1 [$(translate_query y)/$(translate_query N)] ";;
al@317 181 esac
al@260 182 else
al@317 183 echo -n " [$(translate_query y)/$(translate_query N)] ? "
al@309 184 fi
al@309 185 # Is it auto-answer?
al@309 186 if [ -z "$answer" ]; then
al@317 187 im && read -t ${timeout:-30} answer
al@317 188 [ -z "$answer" ] && answer="$(translate_query "$defanswer")"
al@309 189 else
al@309 190 translate_query "$answer"; echo ' (auto)'
al@260 191 fi
al@309 192 # Return true/false to use in conditions
al@317 193 [ "$answer" == "$(translate_query y)" -o "$answer" == "$(translate_query Y)" ]
meshca@160 194 }
pankso@161 195
al@270 196 # Log activities
pankso@162 197 log() {
al@271 198 echo "$(date '+%F %R') : $@" >> ${activity:-/var/log/slitaz/libtaz.log}
pankso@162 199 }
al@221 200
al@270 201 # Print two-column list of options with descriptions
al@221 202 optlist() {
al@289 203 [ -n "$quiet" ] && return
al@289 204 local in="$(echo "$1" | sed 's| *| |g')" w=$(get_cols) col1=1 line
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@289 210 echo "$in" | sed 's|\t|&\n|' | fold -sw$((w - col1 - 4)) | \
al@221 211 sed "/\t/!{s|^.*$|[$((col1 + 4))G&|g}" | sed "/\t$/{N;s|.*| &|;s|\t\n||}"
al@221 212 }
al@221 213
al@221 214 # Wrap words in long terminal message
al@221 215 longline() {
al@289 216 [ -n "$quiet" ] && return
al@289 217 local w=$(get_cols)
al@289 218 echo -e "$@" | fold -sw$w
al@221 219 }
al@271 220
al@271 221 # Print localized title
al@271 222 title() {
al@289 223 [ -n "$quiet" ] && return
al@271 224 case $output in
al@271 225 html) echo "<section><header>$(_ "$@")</header><pre class=\"scroll\">";;
al@289 226 *) newline; boldify "$(_ "$@")"; separator;;
al@271 227 esac
al@271 228 }
al@271 229
al@271 230 # Print footer
al@271 231 footer() {
al@289 232 [ -n "$quiet" ] && return
al@271 233 case $output in
al@271 234 html) echo "</pre><footer>$1</footer></section>";;
al@271 235 *) separator; echo "$1"; [ -n "$1" ] && newline;;
al@271 236 esac
al@271 237 }
al@271 238
al@271 239 # Print current action
al@289 240 saved_action=''
al@271 241 action() {
al@289 242 saved_action="$1"
al@289 243 [ -n "$quiet" -a -z "$2" ] && return
al@289 244 local w c scol msg chars
paul@302 245 # Translators: 'w' is the width the wider translated message ('[ Done ]' or '[ Failed ]') takes in a terminal; place here the number
al@287 246 w=$(_ 'w'); w=${w/w/10}
al@289 247 c=$(get_cols)
al@289 248 scol=$(( $c - $w ))
al@287 249 msg="$(_n "$@" | fold -sw$scol)"
al@289 250 chars=$(echo -n "$msg" | tail -n1 | wc -m)
al@289 251 msg="$(printf '%s%'$(( $scol - $chars ))'s' "$msg" '')"
al@287 252
al@271 253 case $output in
al@287 254 raw|gtk|html) echo -n "$msg";;
al@287 255 *) echo -ne "\033[0;33m$msg\033[0m";;
al@271 256 esac
al@271 257 }
al@271 258
al@271 259 # Print long line as list item
al@271 260 itemize() {
al@289 261 [ -n "$quiet" ] && return
al@283 262 case $output in
al@283 263 gtk) echo "$@";;
al@283 264 *)
al@289 265 local inp="$@" w=$(get_cols) first offset
al@289 266 first="$(echo -e "$inp" | fold -sw$w | head -n1)"
al@283 267 echo "$first"
al@283 268 cols1="$(echo "${first:1}" | wc -c)"
al@283 269 offset=$(echo "$first" | sed -n 's|^\([^:\*-]*[:\*-]\).*$|\1|p' | wc -m)
al@289 270 echo "${inp:$cols1}" | fold -sw$((w - offset)) | awk \
al@283 271 '($0){printf "%'$offset's%s\n","",$0}'
al@283 272 ;;
al@283 273 esac
al@271 274 }