checkfiles

   1 #!/bin/sh
   2 # run from the prerm and postinst
   3 set -e
   4
   5 script=$1
   6 mode=$2
   7
   8 . /usr/share/debconf/confmodule
   9
  10 gen_file_overwrite () {
  11         before=$1; after=$2; infile=$3; outfile=$4; backupmode=$5; backup=$6
  12         perl -pe '
  13  s/^('"$regexp"'\s+)\-'$before'\-(fixed-medium-r-semicondensed)/$1-'$after'-$2/
  14                 ' <$infile >$outfile.tmp
  15         if cmp -s $outfile.tmp $outfile; then
  16                 rm $outfile.tmp
  17                 return
  18         fi
  19         echo " Updating $file ($before=>$after)..."
  20         case $backupmode in
  21         once)
  22                 if ! test -e $backup; then
  23                         ln $outfile $backup
  24                 fi
  25                 ;;
  26         never)
  27                 ;;
  28         esac
  29         mv -f $outfile.tmp $outfile
  30
  31         case "$file" in
  32         *.alias) update-fonts-alias misc ;;
  33         esac
  34 }
  35
  36 check_file () {
  37         dckey=$1; regexp=$2; file=$3
  38
  39         if ! test -f $file; then return; fi
  40
  41         needundo=true
  42
  43         case "$script.$mode" in
  44         postinst.*)
  45                 db_get xfonts-traditional/$dckey ||:
  46                 if [ $RET = true ]; then
  47                         gen_file_overwrite misc trad \
  48                                 $file $file once $file.backup.not-trad
  49                         needundo=false
  50                 else
  51                         gen_file_overwrite misc trad \
  52                                 $file $file.trad never
  53                 fi
  54                 ;;
  55         prerm.upgrade*)
  56                 needundo=false
  57                 ;;
  58         prerm.remove*)
  59                 ;;
  60         *)
  61                 echo >&2 "huh $script.mode ?"
  62                 exit 1
  63                 ;;
  64         esac
  65         if $needundo && test -f $file.backup.not-trad; then
  66                 gen_file_overwrite trad misc \
  67                         $file $file $file.backup.trad
  68                 mv -f $file.backup.not-trad $file.old.not-trad
  69         fi
  70         # only ever do this once, unless we've actually undone it since
  71 }
  72
  73 echo "Checking configuration..."
  74
  75 check_file reconfigure-xterm '\*VT100\.utf8Fonts\.font\:' \
  76         /etc/X11/app-defaults/XTerm
  77
  78 check_file remap-fixed 'fixed' \
  79         /etc/X11/fonts/misc/xfonts-base.alias
  80
  81 true