slitaz-base-files annotate rootfs/lib/libtaz.sh @ rev 137

libtaz.sh: Store all cmdline options in a variable
author Christophe Lincoln <pankso@slitaz.org>
date Mon Apr 23 23:30:48 2012 +0200 (2012-04-23)
parents a9f3ad0aff28
children 524eab3120ae
rev   line source
pankso@125 1 #!/bin/sh
pankso@125 2 #
pankso@125 3 # SliTaz Base functions used from boot scripts to end user tools. Use
pankso@125 4 # gettext and not echo for messages. Keep output suitable for GTK boxes
pankso@125 5 # and Ncurses dialog. LibTaz should not depend on any configuration file.
pankso@125 6 # No bloated code here, function must be used by at least 3-4 tools. See
pankso@125 7 # libtaz() for a list of functions and options or run: tazdev libtaz.sh
pankso@125 8 # Libtaz is located in /lib/libtaz.sh since it is used when /usr may not
pankso@125 9 # be mounted.
pankso@125 10 #
pankso@125 11 # Copyright (C) 2012 SliTaz GNU/Linux - BSD License
pankso@125 12 #
pankso@125 13
pankso@125 14 # Internationalization.
pankso@125 15 . /usr/bin/gettext.sh
pankso@125 16 TEXTDOMAIN='slitaz-base'
pankso@125 17 export TEXTDOMAIN
pankso@125 18
pankso@125 19 # Internal variables.
pankso@125 20 okmsg="$(gettext "Done")"
pankso@125 21 ermsg="$(gettext "Failed")"
pankso@125 22 okcolor=32
pankso@125 23 ercolor=31
pankso@125 24
pankso@137 25 # Parse cmdline options and store values in a variable.
pankso@125 26 for opt in "$@"
pankso@125 27 do
pankso@125 28 case "$opt" in
pankso@137 29 --*=*) export ${opt#--} ;;
pankso@137 30 --*) export ${opt#--}="yes" ;;
pankso@125 31 esac
pankso@125 32 done
pankso@131 33 [ "$HTTP_REFERER" ] && output="html"
pankso@125 34
pankso@125 35 # Help and usage.
pankso@125 36 libtaz() {
pankso@125 37 cat << EOT
pankso@125 38
pankso@125 39 Include this library in a script:
pankso@126 40 . /lib/libtaz.sh
pankso@125 41
pankso@125 42 Functions:
pankso@125 43 status
pankso@125 44 separator
pankso@125 45 boldify string
pankso@125 46 check_root
pankso@125 47
pankso@125 48 Options:
pankso@137 49 --output=[raw|gtk|html]
pankso@125 50
pankso@125 51 EOT
pankso@125 52 }
pankso@125 53
pankso@125 54 # Return command status. Default to colored console output.
pankso@125 55 status() {
pankso@125 56 local check=$?
pankso@131 57 case $output in
pankso@131 58 raw|gtk)
pankso@131 59 done=" $okmsg"
pankso@131 60 error=" $ermsg" ;;
pankso@131 61 html)
pankso@131 62 done=" <span class='done'>$okmsg</span>"
pankso@131 63 error=" <span class='error'>$ermsg</span>" ;;
pankso@136 64 *)
pankso@136 65 cols=$(stty -a -F /dev/stdin | head -n 1 | cut -d ";" -f 3 | awk '{print $2}')
pankso@131 66 local scol=$(($cols - 10))
pankso@131 67 done="\\033[${scol}G[ \\033[1;${okcolor}m${okmsg}\\033[0;39m ]"
pankso@131 68 error="\\033[${scol}G[ \\033[1;${ercolor}m${ermsg}\\033[0;39m ]" ;;
pankso@131 69 esac
pankso@125 70 if [ $check = 0 ]; then
pankso@125 71 echo -e "$done"
pankso@125 72 else
pankso@125 73 echo -e "$error"
pankso@125 74 fi
pankso@125 75 }
pankso@125 76
pankso@125 77 # Line separator.
pankso@125 78 separator() {
pankso@132 79 local sepchar="="
pankso@132 80 [ "$HTTP_REFERER" ] && local sepchar="<hr />"
pankso@132 81 case $output in
pankso@132 82 raw|gtk) local sepchar="-" && local cols="8" ;;
pankso@132 83 html) local sepchar="<hr />" ;;
pankso@136 84 *) local cols=$(stty -a -F /dev/stdin | head -n 1 | cut -d ";" -f 3 | awk '{print $2}') ;;
pankso@132 85 esac
pankso@125 86 for c in $(seq 1 $cols); do
pankso@131 87 echo -n "$sepchar"
pankso@125 88 done && echo ""
pankso@125 89 }
pankso@125 90
pankso@125 91 # Display a bold message. GTK Yad: Works only in --text=""
pankso@125 92 boldify() {
pankso@125 93 case $output in
pankso@125 94 raw) echo "$1" ;;
pankso@125 95 gtk) echo "<b>$1</b>" ;;
pankso@125 96 html) echo "<strong>$1</strong>" ;;
pankso@125 97 *) echo -e "\\033[1m${1}\\033[0m" ;;
pankso@125 98 esac
pankso@125 99 }
pankso@125 100
pankso@125 101 # Check if user is logged as root.
pankso@125 102 check_root() {
pankso@125 103 if [ $(id -u) != 0 ]; then
pankso@125 104 gettext "You must be root to execute:" && echo " $(basename $0) $@"
pankso@125 105 exit 1
pankso@125 106 fi
pankso@125 107 }