slitaz-base-files annotate rootfs/lib/libtaz.sh @ rev 324

libtaz.sh: indent status() as orgininaly (so many cmdline tools use it, we must an other way for log files)
author Christophe Lincoln <pankso@slitaz.org>
date Thu Feb 16 08:53:24 2017 +0100 (2017-02-16)
parents 5829aa52b9ee
children 4cb0e4cf962e
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
al@270 43
al@270 44
al@270 45 # i18n functions
al@317 46 _() { local T="$1"; shift; printf "$(gettext "$T")" "$@"; echo; }
al@317 47 _n() { local T="$1"; shift; printf "$(gettext "$T")" "$@"; }
al@271 48 _p() { local S="$1" P="$2" N="$3"; shift 3; printf "$(ngettext "$S" "$P" "$N")" "$@"; }
pankso@125 49
pankso@187 50 # Get terminal columns
al@289 51 get_cols() { stty size 2>/dev/null | awk -vc=$cols 'END{print c?c:($2 && $2<80)?$2:80}'; }
pankso@187 52
al@270 53 # Last command status
pankso@125 54 status() {
al@289 55 local ret_code=$?
al@289 56 [ -n "$quiet" -a "$ret_code" -eq 0 ] && return
al@289 57 [ -n "$quiet" ] && action "$saved_action" no-quiet
al@289 58
al@289 59 case $ret_code in
al@289 60 0) local msg="$okmsg" color="$okcolor";;
al@289 61 *) local msg="$ermsg" color="$ercolor";;
al@289 62 esac
pankso@131 63 case $output in
al@289 64 raw|gtk) echo " $msg";;
al@289 65 html) echo " <span class=\"float-right color$color\">$msg</span>";;
pankso@324 66 *)
pankso@324 67 local cols=$(get_cols)
pankso@324 68 local scol=$((${cols:-80} - 10))
pankso@324 69 echo -e "\\033[${scol}G[ \\033[1;${color}m$msg\\033[0;39m ]";;
al@270 70 esac
pankso@125 71 }
pankso@125 72
al@270 73 # Line separator
pankso@125 74 separator() {
al@289 75 [ -n "$quiet" ] && return
pankso@132 76 case $output in
al@288 77 gtk) echo '--------';;
al@289 78 html) echo -n '<hr/>';;
al@289 79 *) printf "%$(get_cols)s\n" | tr ' ' "${1:-=}";;
pankso@132 80 esac
pankso@125 81 }
pankso@125 82
al@270 83 # New line
al@289 84 newline() {
al@289 85 [ -z "$quiet" ] && echo
al@289 86 }
pankso@164 87
al@270 88 # Display a bold message
pankso@125 89 boldify() {
al@289 90 [ -n "$quiet" ] && return
pankso@125 91 case $output in
al@258 92 raw) echo "$@" ;;
al@258 93 gtk) echo "<b>$@</b>" ;;
meshca@149 94 html) echo "<strong>$@</strong>" ;;
meshca@149 95 *) echo -e "\\033[1m$@\\033[0m" ;;
pankso@125 96 esac
pankso@125 97 }
pankso@125 98
al@270 99 # Colorize message
pankso@167 100 colorize() {
al@289 101 [ -n "$quiet" ] && return
meshca@175 102 : ${color=$1}
meshca@175 103 shift
pankso@167 104 case $output in
al@270 105 raw|gtk) echo "$@";;
al@270 106 html) echo -n "<span class=\"color$color\">$@</span>";;
al@279 107 *) case $color in
al@279 108 0*) echo -e "\\033[${color:-38}m$@\\033[39m";;
al@279 109 *) echo -e "\\033[1;${color:-38}m$@\\033[0;39m";;
al@279 110 esac;;
pankso@167 111 esac
pankso@167 112 unset color
pankso@167 113 }
pankso@167 114
al@270 115 # Indent text
pankso@161 116 indent() {
al@289 117 [ -n "$quiet" ] && return
meshca@158 118 local in="$1"
meshca@158 119 shift
pankso@161 120 echo -e "\033["$in"G $@";
meshca@158 121 }
meshca@158 122
al@193 123 # Extended MeSsaGe output
al@193 124 emsg() {
al@289 125 [ -n "$quiet" ] && return
al@289 126 local sep="\n$(separator)\n"
al@193 127 case $output in
al@193 128 raw)
al@193 129 echo "$@" | sed -e 's|<b>||g; s|</b>||g; s|<c [0-9]*>||g; \
al@193 130 s|</c>||g; s|<->|'$sep'|g; s|<n>|\n|g; s|<i [0-9]*>| |g' ;;
al@193 131 gtk)
al@193 132 echo "$@" | sed -e 's|<c [0-9]*>||g; s|</c>||g; s|<->|'$sep'|g; \
al@193 133 s|<n>|\n|g; s|<i [0-9]*>| |g' ;;
al@193 134 html)
al@193 135 echo "$@" | sed -e 's|<b>|<strong>|g; s|</b>|</strong>|g; \
al@270 136 s|<c \([0-9]*\)>|<span class="color\1">|g; s|</c>|</span>|g; \
al@193 137 s|<n>|<br/>|g; s|<->|<hr/>|g; s|<i [0-9]*>| |g' ;;
al@193 138 *)
al@265 139 echo -en "$(echo "$@" | sed -e 's|<b>|\\033[1m|g; s|</b>|\\033[0m|g;
al@279 140 s|<c 0\([0-9]*\)>|\\033[\1m|g; s|<c \([1-9][0-9]*\)>|\\033[1;\1m|g;
al@279 141 s|</c>|\\033[0;39m|g; s|<n>|\n|g;
al@193 142 s|<->|'$sep'|g; s|<i \([0-9]*\)>|\\033[\1G|g')"
al@193 143 [ "$1" != "-n" ] && echo
al@193 144 ;;
al@193 145 esac
al@193 146 }
al@193 147
al@270 148 # Check if user is logged as root
pankso@125 149 check_root() {
al@289 150 if [ $(id -u) -ne 0 ]; then
al@258 151 lgettext "You must be root to execute:"; echo " $(basename $0) $@"
pankso@125 152 exit 1
pankso@125 153 fi
pankso@125 154 }
meshca@158 155
pankso@174 156 # Display debug info when --debug is used.
meshca@169 157 debug() {
al@270 158 [ -n "$debug" ] && echo "$(colorize $decolor 'DEBUG:') $1"
meshca@169 159 }
meshca@169 160
al@317 161 # Report error and finish work
al@317 162 die() { longline "$(_ "$@")" >&2; exit 1; }
al@317 163
al@317 164 # Interactive mode
al@317 165 im() { tty -s; }
al@317 166
al@270 167 # Confirmation
pankso@161 168 confirm() {
al@317 169 local answer='' defanswer='n'
al@309 170 # Check auto-answer, if any
al@309 171 [ -n "$yes" ] && answer='y'
al@309 172 [ -n "$noconfirm" ] && answer='n'
al@309 173 # Print question
al@309 174 if [ -n "$1" ]; then
al@317 175 case "$2" in
al@317 176 '') echo -n "$1 ";;
al@317 177 y|Y) echo -n "$1 [$(translate_query Y)/$(translate_query n)] "; defanswer='y';;
al@317 178 *) echo -n "$1 [$(translate_query y)/$(translate_query N)] ";;
al@317 179 esac
al@260 180 else
al@317 181 echo -n " [$(translate_query y)/$(translate_query N)] ? "
al@309 182 fi
al@309 183 # Is it auto-answer?
al@309 184 if [ -z "$answer" ]; then
al@317 185 im && read -t ${timeout:-30} answer
al@317 186 [ -z "$answer" ] && answer="$(translate_query "$defanswer")"
al@309 187 else
al@309 188 translate_query "$answer"; echo ' (auto)'
al@260 189 fi
al@309 190 # Return true/false to use in conditions
al@317 191 [ "$answer" == "$(translate_query y)" -o "$answer" == "$(translate_query Y)" ]
meshca@160 192 }
pankso@161 193
al@270 194 # Log activities
pankso@162 195 log() {
al@271 196 echo "$(date '+%F %R') : $@" >> ${activity:-/var/log/slitaz/libtaz.log}
pankso@162 197 }
al@221 198
al@270 199 # Print two-column list of options with descriptions
al@221 200 optlist() {
al@289 201 [ -n "$quiet" ] && return
al@289 202 local in="$(echo "$1" | sed 's| *| |g')" w=$(get_cols) col1=1 line
al@258 203 IFS=$'\n'
al@221 204 for line in $in; do
al@221 205 col=$(echo -n "$line" | cut -f1 | wc -m)
al@221 206 [ $col -gt $col1 ] && col1=$col
al@221 207 done
al@289 208 echo "$in" | sed 's|\t|&\n|' | fold -sw$((w - col1 - 4)) | \
al@221 209 sed "/\t/!{s|^.*$|[$((col1 + 4))G&|g}" | sed "/\t$/{N;s|.*| &|;s|\t\n||}"
al@221 210 }
al@221 211
al@221 212 # Wrap words in long terminal message
al@221 213 longline() {
al@289 214 [ -n "$quiet" ] && return
al@289 215 local w=$(get_cols)
al@289 216 echo -e "$@" | fold -sw$w
al@221 217 }
al@271 218
al@271 219 # Print localized title
al@271 220 title() {
al@289 221 [ -n "$quiet" ] && return
al@271 222 case $output in
al@271 223 html) echo "<section><header>$(_ "$@")</header><pre class=\"scroll\">";;
al@289 224 *) newline; boldify "$(_ "$@")"; separator;;
al@271 225 esac
al@271 226 }
al@271 227
al@271 228 # Print footer
al@271 229 footer() {
al@289 230 [ -n "$quiet" ] && return
al@271 231 case $output in
al@271 232 html) echo "</pre><footer>$1</footer></section>";;
al@271 233 *) separator; echo "$1"; [ -n "$1" ] && newline;;
al@271 234 esac
al@271 235 }
al@271 236
al@271 237 # Print current action
al@289 238 saved_action=''
al@271 239 action() {
al@289 240 saved_action="$1"
al@289 241 [ -n "$quiet" -a -z "$2" ] && return
al@289 242 local w c scol msg chars
paul@302 243 # Translators: 'w' is the width the wider translated message ('[ Done ]' or '[ Failed ]') takes in a terminal; place here the number
al@287 244 w=$(_ 'w'); w=${w/w/10}
al@289 245 c=$(get_cols)
al@289 246 scol=$(( $c - $w ))
al@287 247 msg="$(_n "$@" | fold -sw$scol)"
al@289 248 chars=$(echo -n "$msg" | tail -n1 | wc -m)
al@289 249 msg="$(printf '%s%'$(( $scol - $chars ))'s' "$msg" '')"
al@287 250
al@271 251 case $output in
al@287 252 raw|gtk|html) echo -n "$msg";;
al@287 253 *) echo -ne "\033[0;33m$msg\033[0m";;
al@271 254 esac
al@271 255 }
al@271 256
al@271 257 # Print long line as list item
al@271 258 itemize() {
al@289 259 [ -n "$quiet" ] && return
al@283 260 case $output in
al@283 261 gtk) echo "$@";;
al@283 262 *)
al@289 263 local inp="$@" w=$(get_cols) first offset
al@289 264 first="$(echo -e "$inp" | fold -sw$w | head -n1)"
al@283 265 echo "$first"
al@283 266 cols1="$(echo "${first:1}" | wc -c)"
al@283 267 offset=$(echo "$first" | sed -n 's|^\([^:\*-]*[:\*-]\).*$|\1|p' | wc -m)
al@289 268 echo "${inp:$cols1}" | fold -sw$((w - offset)) | awk \
al@283 269 '($0){printf "%'$offset's%s\n","",$0}'
al@283 270 ;;
al@283 271 esac
al@271 272 }