slitaz-base-files annotate rootfs/lib/libtaz.sh @ rev 329

libtaz.sh: add info() to display an info in same place than status()
author Christophe Lincoln <pankso@slitaz.org>
date Thu Mar 02 15:38:20 2017 +0100 (2017-03-02)
parents 133ee7fe8217
children 5d1266bb31bd
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
pankso@329 70 # Print info a la status way: info [color] [content]
pankso@329 71 info() {
pankso@329 72 local info="$2"
pankso@329 73 case "$output" in
pankso@329 74 raw|gtk) echo "$info" ;;
pankso@329 75 html) echo " <span class=\"float-right color${1}\">$info</span>";;
pankso@329 76 *)
pankso@329 77 local char="$(echo $info | wc -L)"
pankso@329 78 local in=$((7 + ${char}))
pankso@329 79 indent $(($(get_cols) - ${in})) "[ $(colorize $1 $info) ]" ;;
pankso@329 80 esac
pankso@329 81 }
pankso@329 82
al@270 83 # Line separator
pankso@125 84 separator() {
al@289 85 [ -n "$quiet" ] && return
pankso@132 86 case $output in
al@288 87 gtk) echo '--------';;
al@289 88 html) echo -n '<hr/>';;
al@289 89 *) printf "%$(get_cols)s\n" | tr ' ' "${1:-=}";;
pankso@132 90 esac
pankso@125 91 }
pankso@125 92
al@270 93 # New line
al@289 94 newline() {
al@289 95 [ -z "$quiet" ] && echo
al@289 96 }
pankso@164 97
al@270 98 # Display a bold message
pankso@125 99 boldify() {
al@289 100 [ -n "$quiet" ] && return
pankso@125 101 case $output in
al@258 102 raw) echo "$@" ;;
al@258 103 gtk) echo "<b>$@</b>" ;;
meshca@149 104 html) echo "<strong>$@</strong>" ;;
meshca@149 105 *) echo -e "\\033[1m$@\\033[0m" ;;
pankso@125 106 esac
pankso@125 107 }
pankso@125 108
al@270 109 # Colorize message
pankso@167 110 colorize() {
al@289 111 [ -n "$quiet" ] && return
meshca@175 112 : ${color=$1}
meshca@175 113 shift
pankso@167 114 case $output in
al@270 115 raw|gtk) echo "$@";;
al@270 116 html) echo -n "<span class=\"color$color\">$@</span>";;
al@279 117 *) case $color in
al@279 118 0*) echo -e "\\033[${color:-38}m$@\\033[39m";;
al@279 119 *) echo -e "\\033[1;${color:-38}m$@\\033[0;39m";;
al@279 120 esac;;
pankso@167 121 esac
pankso@167 122 unset color
pankso@167 123 }
pankso@167 124
al@270 125 # Indent text
pankso@161 126 indent() {
al@289 127 [ -n "$quiet" ] && return
meshca@158 128 local in="$1"
meshca@158 129 shift
pankso@161 130 echo -e "\033["$in"G $@";
meshca@158 131 }
meshca@158 132
al@193 133 # Extended MeSsaGe output
al@193 134 emsg() {
al@289 135 [ -n "$quiet" ] && return
al@289 136 local sep="\n$(separator)\n"
al@193 137 case $output in
al@193 138 raw)
al@193 139 echo "$@" | sed -e 's|<b>||g; s|</b>||g; s|<c [0-9]*>||g; \
al@193 140 s|</c>||g; s|<->|'$sep'|g; s|<n>|\n|g; s|<i [0-9]*>| |g' ;;
al@193 141 gtk)
al@193 142 echo "$@" | sed -e 's|<c [0-9]*>||g; s|</c>||g; s|<->|'$sep'|g; \
al@193 143 s|<n>|\n|g; s|<i [0-9]*>| |g' ;;
al@193 144 html)
al@193 145 echo "$@" | sed -e 's|<b>|<strong>|g; s|</b>|</strong>|g; \
al@270 146 s|<c \([0-9]*\)>|<span class="color\1">|g; s|</c>|</span>|g; \
al@193 147 s|<n>|<br/>|g; s|<->|<hr/>|g; s|<i [0-9]*>| |g' ;;
al@193 148 *)
al@265 149 echo -en "$(echo "$@" | sed -e 's|<b>|\\033[1m|g; s|</b>|\\033[0m|g;
al@279 150 s|<c 0\([0-9]*\)>|\\033[\1m|g; s|<c \([1-9][0-9]*\)>|\\033[1;\1m|g;
al@279 151 s|</c>|\\033[0;39m|g; s|<n>|\n|g;
al@193 152 s|<->|'$sep'|g; s|<i \([0-9]*\)>|\\033[\1G|g')"
al@193 153 [ "$1" != "-n" ] && echo
al@193 154 ;;
al@193 155 esac
al@193 156 }
al@193 157
al@270 158 # Check if user is logged as root
pankso@125 159 check_root() {
al@289 160 if [ $(id -u) -ne 0 ]; then
al@258 161 lgettext "You must be root to execute:"; echo " $(basename $0) $@"
pankso@125 162 exit 1
pankso@125 163 fi
pankso@125 164 }
meshca@158 165
pankso@174 166 # Display debug info when --debug is used.
meshca@169 167 debug() {
al@270 168 [ -n "$debug" ] && echo "$(colorize $decolor 'DEBUG:') $1"
meshca@169 169 }
meshca@169 170
al@317 171 # Report error and finish work
al@317 172 die() { longline "$(_ "$@")" >&2; exit 1; }
al@317 173
al@317 174 # Interactive mode
al@317 175 im() { tty -s; }
al@317 176
al@270 177 # Confirmation
pankso@161 178 confirm() {
al@317 179 local answer='' defanswer='n'
al@309 180 # Check auto-answer, if any
al@309 181 [ -n "$yes" ] && answer='y'
al@309 182 [ -n "$noconfirm" ] && answer='n'
al@309 183 # Print question
al@309 184 if [ -n "$1" ]; then
al@317 185 case "$2" in
al@317 186 '') echo -n "$1 ";;
al@317 187 y|Y) echo -n "$1 [$(translate_query Y)/$(translate_query n)] "; defanswer='y';;
al@317 188 *) echo -n "$1 [$(translate_query y)/$(translate_query N)] ";;
al@317 189 esac
al@260 190 else
al@317 191 echo -n " [$(translate_query y)/$(translate_query N)] ? "
al@309 192 fi
al@309 193 # Is it auto-answer?
al@309 194 if [ -z "$answer" ]; then
al@317 195 im && read -t ${timeout:-30} answer
al@317 196 [ -z "$answer" ] && answer="$(translate_query "$defanswer")"
al@309 197 else
al@309 198 translate_query "$answer"; echo ' (auto)'
al@260 199 fi
al@309 200 # Return true/false to use in conditions
al@317 201 [ "$answer" == "$(translate_query y)" -o "$answer" == "$(translate_query Y)" ]
meshca@160 202 }
pankso@161 203
al@270 204 # Log activities
pankso@162 205 log() {
al@271 206 echo "$(date '+%F %R') : $@" >> ${activity:-/var/log/slitaz/libtaz.log}
pankso@162 207 }
al@221 208
al@270 209 # Print two-column list of options with descriptions
al@221 210 optlist() {
al@289 211 [ -n "$quiet" ] && return
al@289 212 local in="$(echo "$1" | sed 's| *| |g')" w=$(get_cols) col1=1 line
al@258 213 IFS=$'\n'
al@221 214 for line in $in; do
al@221 215 col=$(echo -n "$line" | cut -f1 | wc -m)
al@221 216 [ $col -gt $col1 ] && col1=$col
al@221 217 done
al@289 218 echo "$in" | sed 's|\t|&\n|' | fold -sw$((w - col1 - 4)) | \
al@221 219 sed "/\t/!{s|^.*$|[$((col1 + 4))G&|g}" | sed "/\t$/{N;s|.*| &|;s|\t\n||}"
al@221 220 }
al@221 221
al@221 222 # Wrap words in long terminal message
al@221 223 longline() {
al@289 224 [ -n "$quiet" ] && return
al@289 225 local w=$(get_cols)
al@289 226 echo -e "$@" | fold -sw$w
al@221 227 }
al@271 228
al@271 229 # Print localized title
al@271 230 title() {
al@289 231 [ -n "$quiet" ] && return
al@271 232 case $output in
al@271 233 html) echo "<section><header>$(_ "$@")</header><pre class=\"scroll\">";;
al@289 234 *) newline; boldify "$(_ "$@")"; separator;;
al@271 235 esac
al@271 236 }
al@271 237
al@271 238 # Print footer
al@271 239 footer() {
al@289 240 [ -n "$quiet" ] && return
al@271 241 case $output in
al@271 242 html) echo "</pre><footer>$1</footer></section>";;
al@271 243 *) separator; echo "$1"; [ -n "$1" ] && newline;;
al@271 244 esac
al@271 245 }
al@271 246
al@271 247 # Print current action
al@289 248 saved_action=''
al@271 249 action() {
al@289 250 saved_action="$1"
al@289 251 [ -n "$quiet" -a -z "$2" ] && return
al@289 252 local w c scol msg chars
paul@302 253 # Translators: 'w' is the width the wider translated message ('[ Done ]' or '[ Failed ]') takes in a terminal; place here the number
al@287 254 w=$(_ 'w'); w=${w/w/10}
al@289 255 c=$(get_cols)
al@289 256 scol=$(( $c - $w ))
al@287 257 msg="$(_n "$@" | fold -sw$scol)"
al@289 258 chars=$(echo -n "$msg" | tail -n1 | wc -m)
al@289 259 msg="$(printf '%s%'$(( $scol - $chars ))'s' "$msg" '')"
al@287 260
al@271 261 case $output in
al@287 262 raw|gtk|html) echo -n "$msg";;
al@287 263 *) echo -ne "\033[0;33m$msg\033[0m";;
al@271 264 esac
al@271 265 }
al@271 266
al@271 267 # Print long line as list item
al@271 268 itemize() {
al@289 269 [ -n "$quiet" ] && return
al@283 270 case $output in
al@283 271 gtk) echo "$@";;
al@283 272 *)
al@289 273 local inp="$@" w=$(get_cols) first offset
al@289 274 first="$(echo -e "$inp" | fold -sw$w | head -n1)"
al@283 275 echo "$first"
al@283 276 cols1="$(echo "${first:1}" | wc -c)"
al@283 277 offset=$(echo "$first" | sed -n 's|^\([^:\*-]*[:\*-]\).*$|\1|p' | wc -m)
al@289 278 echo "${inp:$cols1}" | fold -sw$((w - offset)) | awk \
al@283 279 '($0){printf "%'$offset's%s\n","",$0}'
al@283 280 ;;
al@283 281 esac
al@271 282 }