contrib/package/meshwizard/files/usr/bin/meshwizard/functions.sh

   1 uci_remove_list_element() {
   2         local option="$1"
   3         local value="$2"
   4         local list="$(uci get $option)"
   5         local elem
   6
   7         uci delete $option
   8         for elem in $list; do
   9                 if [ "$elem" != "$value" ]; then
  10                         uci add_list $option=$elem
  11                 fi
  12         done
  13 }
  14
  15 # string_contains(string, substring)
  16 #
  17 # Returns 0 if the specified string contains the specified substring,
  18 # otherwise returns 1.
  19 string_contains() {
  20     string="$1"
  21     substring="$2"
  22     if test "${string#*$substring}" != "$string"
  23     then
  24         return 0    # $substring is in $string
  25     else
  26         return 1    # $substring is not in $string
  27     fi
  28 }
  29
  30 # Takes 2 arguments
  31 # $1 = text to be displayed in the output for this section
  32 # $2 = section (optional)
  33 uci_commitverbose() {
  34         echo "+ $1"
  35         uci changes $2 | while read line; do
  36                 echo "    $line"
  37         done
  38         uci commit $2
  39 }
  40
  41 set_defaults() {
  42         for def in $(env |grep "^$1" | sed 's/ /_/g'); do
  43                 option="${def/$1/}"
  44                 a="$(echo $option |cut -d '=' -f1)"
  45                 b="$(echo $option |cut -d '=' -f2-)"
  46                 b="${b//_/ }"
  47                 string_contains "$a" "_LENGTH" && continue
  48                 string_contains "$a" "_ITEM" && {
  49                     # special threatment for lists. use add_list and remove the
  50                     # item index (_ITEMx).
  51                     uci add_list $2.${a//_ITEM[0-9]*/}="$b"
  52                 } || {
  53                     uci set $2.$a="$b"
  54                 }
  55         done
  56 }
  57
  58 # 3 arguments: 1=config name 2=oldname 3=newname
  59 section_rename() {
  60         uci -q rename $1.$2=$3 && msg_rename $1.$2 $1.$3 || msg_rename_error $1.$2 $1.$3
  61 }
  62
  63 msg_missing_value() {
  64         echo -e "    \033[1mWarning:\033[0m Configuration option for $2 is missing in $1."
  65 }
  66
  67 msg_success() {
  68         echo "    Finished."
  69 }
  70
  71 msg_error() {
  72         echo "    \033[1mError: \033[0mThere was a problem."
  73 }
  74
  75 msg_rename() {
  76         echo "    Renamed unnamed section $1 to $2."
  77 }
  78
  79 msg_rename_error() {
  80         echo "    \033[1mWarning:\033[0m Could not rename $1 to $2."
  81 }
  82
  83
  84 restore_factory_defaults() {
  85     echo "+ Restore default config as requested with cleanup=1"
  86     cp -f /rom/etc/config/* /etc/config/
  87     rm /etc/config/wireless
  88     wifi detect > /etc/config/wireless
  89     rm /etc/config/network
  90     if [ -f /etc/init.d/defconfig ]; then
  91         # legacy (AA)
  92         /etc/init.d/defconfig start
  93         [ -f /rom/etc/uci-defaults/network ] && sh /rom/etc/uci-defaults/network
  94     else
  95         sh /rom/etc/uci-defaults/02_network
  96     fi
  97 }
  98
  99 is_in_list() {
 100     # checks if an item is in a list
 101     local list="$1"
 102     local item="$2"
 103     for word in $list; do
 104         [ $word = "$item" ] && return 0
 105     done
 106     return 1
 107 }
 108
 109 add_to_list() {
 110     local list="$1"
 111     local item="$2"
 112     is_in_list "$list" "$item" && echo $list
 113     if [ -z "$list" ]; then
 114         echo "$item"
 115     else
 116         echo "$list $item"
 117     fi
 118 }