slitaz-base-files annotate rootfs/lib/libtaz.sh @ rev 317
libtaz.sh: add die() and im(), rework confirm().
author | Aleksej Bobylev <al.bobylev@gmail.com> |
---|---|
date | Sun Jan 08 11:09:57 2017 +0200 (2017-01-08) |
parents | 1dd292a4b72b |
children | bbda30c03aff |
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\">$msg</span>";; |
al@289 | 66 *) echo -e "[ \\033[1;${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 } |