mcfn_install.in

   1 #!/bin/sh
   2 #
   3
   4 prefix=@prefix@
   5 suppbindir=@prefix@/lib/mc/bin
   6
   7 do_compat_replace () {
   8     cp $1 $1.orig
   9     if test "$?" != "0"; then
  10         echo "Command \`cp $1 $1.orig' failed. File $1 not changed!"
  11         return 1
  12     fi
  13     sed '/^mc ()/ {
  14      # Add comment
  15      i\
  16 #Commented out by mc_fninstall. Source @prefix@/lib/mc/bin/mc.sh instead.
  17 }
  18
  19 /^mc ()[^}]*$/,/}[; ]*$/{
  20     # Function definition over several lines
  21     s/^\(.*\)$/#\1/g
  22 }
  23
  24 /^mc ().*}.*$/{
  25     # Function definition on one line
  26     s/^\(.*\)$/#\1/g
  27 }' < $1.orig > $1
  28
  29     echo >> $1
  30     echo ". $suppbindir/mc.sh" >> $1
  31     echo ""
  32     echo "I commented out the mc () function definitions in $1 and added"
  33     echo "\`. $suppbindir/mc.sh'. Your previous profile has been saved as"
  34     echo "$1.orig."
  35 }
  36
  37 if test -n `echo $prefix | grep prefix`; then
  38     prefix=/usr/local
  39 fi
  40 if test x$BASH = x; then
  41     BASHRC=
  42 else
  43     BASHRC=~/.bashrc
  44 fi
  45 if test "x$EUID" = x0; then
  46     PROFILE=/etc/profile
  47 else
  48     PROFILE=~/.profile
  49 fi
  50 if test -f $PROFILE; then
  51     A=`grep "mc ()" $PROFILE`
  52     B=
  53     if test -n "$BASHRC"; then
  54         if test -f $BASHRC; then
  55             B=`grep "mc ()" $BASHRC`
  56         fi
  57     fi
  58
  59     if test -n "$A" -o -n "$B"; then
  60         if test -n "$B"; then
  61             echo "While examining your $PROFILE and $BASHRC,"
  62         else
  63             echo "While examining your $PROFILE,"
  64         fi
  65         echo "I've found that you have a probably outdated mc () function definition"
  66         echo "there. Do you want to replace this function definition with "
  67         echo "        . $suppbindir/mc.sh"
  68         read rep
  69         case $rep in
  70             [Yy]*) ;;
  71             *) exit ;;
  72         esac
  73         if test -n "$A"; then
  74                 do_compat_replace $PROFILE
  75         fi
  76         if test -n "$B"; then
  77                 do_compat_replace $BASHRC
  78         fi
  79
  80         exit 0
  81     fi
  82     unset -f do_compat_replace
  83
  84     # This doesn't handle the case that $prefix changed
  85     A=`grep "/mc.sh" $PROFILE`
  86     B=
  87     if test -n "$BASHRC"; then
  88         if test -f $BASHRC; then
  89             B=`grep "/mc.sh" $BASHRC`
  90         fi
  91     fi
  92     if test -n "$A"; then
  93         :
  94     else
  95         if test -n "$B"; then
  96             :
  97         else
  98             A=`typeset -f | grep "mc ()" 2>/dev/null`
  99             if test ! -n "$A"; then
 100                 echo "mc () installation."
 101                 if test -n "$BASHRC"; then
 102                     echo "While examining your $PROFILE and $BASHRC,"
 103                 else
 104                     echo "While examining your $PROFILE,"
 105                 fi
 106                 echo "I've found that you do not source $suppbindir/mc.sh there."
 107                 echo "This shell script defines a function which enables a feature of mc(1)"
 108                 echo "that when you leave mc(1), you return to a directory where you were"
 109                 echo "in mc just before exiting and not to the directory you've started mc"
 110                 echo "from."
 111                 echo "Would you like to append"
 112                 echo "test -f $suppbindir/mc.sh && . $suppbindir/mc.sh"
 113                 if test -n "$BASHRC"; then
 114                     echo "to your (p) $PROFILE (mc function will be active in your login shells)"
 115                     echo -n "or to your (b) $BASHRC (in every bash instance) or (n) no? [p|b|n] "
 116                 else
 117                     echo -n "function to your $PROFILE? [y|n] "
 118                 fi
 119                 read rep
 120                 if test -n "$BASHRC"; then
 121                     INITFILE=$BASHRC
 122                 else
 123                     INITFILE=$PROFILE
 124                 fi
 125                 case $rep in
 126                     [Yy]*) ;;
 127                     [Pp]*) INITFILE=$PROFILE ;;
 128                     *) exit 1;;
 129                 esac
 130                 echo >>$INITFILE
 131                 echo 'test -f $suppbindir/mc.sh && . $suppbindir/mc.sh' >>$INITFILE
 132                 echo "mc () function appended to your $INITFILE"
 133             fi
 134         fi
 135     fi
 136 fi