iankelling.org Git - automated-distro-installer/blob - fai/config/class/40-parse-profiles.sh

   1
   2 #! /bin/bash
   3
   4 # parse *.profile and build a curses menu, so the user can select a profile
   5 #
   6 # (c) 2015 by Thomas Lange, lange@informatik.uni-koeln.de
   7 # Universitaet zu Koeln
   8
   9 if [ X$FAI_ACTION = Xinstall -o X$FAI_ACTION = Xdirinstall -o X$FAI_ACTION = X ]; then
  10     :
  11 else
  12     return 0
  13 fi
  14
  15 [ "$flag_menu" ] || return 0
  16
  17 out=$(tty)
  18 tempfile=`(tempfile) 2>/dev/null`
  19 tempfile2=`(tempfile) 2>/dev/null`
  20 trap "rm -f $tempfile $tempfile2" EXIT INT QUIT
  21
  22 # declare the data structure, use associative arrays
  23 declare -A arshort
  24 declare -A ardesc
  25 declare -A arlong
  26 declare -A arclasses
  27 declare -a list
  28
  29
  30 parse_profile() {
  31
  32     # read a profile and add all info to the data structure
  33
  34     local short
  35     local long
  36     local desc
  37     local name
  38     local classes
  39     local lflag=0
  40
  41     # disable word splitting when reading a line, this helps reading a keyword without a value
  42     local OIF=$IFS
  43     IFS=
  44
  45     while read -r line || [[ -n $line ]]; do
  46
  47         if [[ $line =~ "Name: " ]]; then
  48             if [ -n "$long" ]; then
  49                 arlong[$name]="$long"
  50             fi
  51             short=
  52             desc=
  53             long=
  54             classes=
  55             lflag=0
  56             name=${line##Name: }
  57             [ $debug ] && echo "XX NAME $name found"
  58             list+=("$name")  # add new item to list
  59             continue
  60         fi
  61
  62         if [[ $line =~ "Description: " ]]; then
  63             lflag=0
  64             desc=${line##Description: }
  65             [ $debug ] && echo "XX $desc found"
  66             ardesc[$name]="$desc"
  67             continue
  68         fi
  69
  70         if [[ $line =~ "Short: " ]]; then
  71             lflag=0
  72             short=${line##Short: }
  73             [ $debug ] && echo "XX $short found"
  74             arshort[$name]="$short"
  75             continue
  76         fi
  77
  78         if [[ $line =~ "Classes: " ]]; then
  79             lflag=0
  80             classes=${line##Classes: }
  81             [ $debug ] && echo "XX classes found"
  82             arclasses[$name]="$classes"
  83             continue
  84         fi
  85
  86         if [[ $line =~ "Long: " ]]; then
  87             lflag=1
  88             long=${line##Long: }
  89             [ $debug ] && echo "XX long found"
  90
  91         # else it's another long line
  92         elif [ $lflag -eq 1 ]; then
  93             long+="\n$line"
  94         fi
  95
  96         if [[ $line =~ "Default: " ]]; then
  97             lflag=0
  98             default=${line##Default: }
  99             continue
 100         fi
 101
 102     done < $1
 103
 104     if [ -n "$long" ]; then
 105         arlong[$name]="$long"
 106     fi
 107     IFS=$OIF
 108 }
 109
 110 prtresult() {
 111
 112     # set newclasses which is used by fai-class(1)
 113     local res=$(<$tempfile)
 114     echo "$BASH_SOURCE defined new classes: ${arclasses[$res]}"
 115     newclasses="${arclasses[$res]}"
 116 }
 117
 118
 119 # read all files with name matching *.profile
 120 _parsed=0
 121 shopt -s nullglob
 122 for _f in *.profile; do
 123     parse_profile $_f
 124     _parsed=1
 125 done
 126 unset _f
 127
 128 # do nothing if no profile was read
 129 if [ $_parsed -eq 0 ]; then
 130     unset _parsed
 131     return 0
 132 fi
 133
 134 # create the argument list containing the menu entries
 135 # and the help text file
 136 for i in "${list[@]}"; do
 137     par+=("$i")
 138     par+=("${ardesc[${i}]}")
 139     par+=("${arshort[${i}]}")
 140     echo "Name: ${i}" >> $tempfile2
 141     echo -e ${arlong[${i}]} >> $tempfile2
 142     echo -e "Classes: " ${arclasses[${i}]} "\n" >> $tempfile2
 143 done
 144 unset i
 145
 146 while true; do
 147
 148     dialog --clear --item-help --title "FAI - Fully Automatic Installation" --help-button \
 149         --default-item "$default" \
 150         --menu "\nSelect your FAI profile\n\nThe profile will define a list of classes,\nwhich are used by FAI.\n\n\n"\
 151         15 70 0 "${par[@]}" 2> $tempfile  1> $out
 152
 153     _retval=$?
 154     case $_retval in
 155         0)
 156             prtresult
 157             break ;;
 158         1)
 159             echo "No profile selected."
 160             break ;;
 161         2)
 162             dialog --title "Description of all profiles" --textbox $tempfile2 0 0 1> $out;;
 163     esac
 164
 165 done
 166 unset par ardesc arshort arlong arclasses list tempfile tempfile2 _parsed _retval line