Home | History | Annotate | Download | only in bin 
      1 #!/bin/bash
      2 #
      3 # install.sh [--uninstall] sourcefile targetfile
      4 #
      5 
      6 
      7 # Check for uninstall option
      8 if test "x$1" == "x--uninstall" ; then
      9   UNINSTALL=true
     10   SOURCE=$2
     11   TARGET=$3
     12 else
     13   UNINSTALL=false
     14   SOURCE=$1
     15   TARGET=$2
     16 fi
     17 
     18 # Check usage
     19 if test -z "$SOURCE" || test -z "$TARGET" ; then
     20   echo Usage: install.sh [--uninstall] source target >&2
     21   exit 1
     22 fi
     23 
     24 
     25 #
     26 # do_install(SOURCE_FILE, TARGET_FILE)
     27 #
     28 
     29 do_install()
     30 {
     31   local SOURCE=$1
     32   local TARGET=$2
     33 
     34   install -D $SOURCE $TARGET
     35 }
     36 
     37 
     38 #
     39 # do_uninstall(SOURCE_FILE, TARGET_FILE)
     40 #
     41 
     42 do_uninstall()
     43 {
     44   local SOURCE=$1
     45   local TARGET=$2
     46 
     47   # Does target exist?
     48   if test -r $TARGET ; then
     49     # Is target of the same version as this package?
     50     if diff $SOURCE $TARGET >/dev/null; then
     51       rm -f $TARGET
     52     else
     53       echo WARNING: Skipping uninstall for $TARGET - versions differ! >&2
     54     fi
     55   else
     56     echo WARNING: Skipping uninstall for $TARGET - not installed! >&2
     57   fi
     58 }
     59 
     60 
     61 # Call sub routine
     62 if $UNINSTALL ; then
     63   do_uninstall $SOURCE $TARGET
     64 else
     65   do_install $SOURCE $TARGET
     66 fi
     67 
     68 exit 0
     69