1#!/bin/bash
2#
3# install.sh [--uninstall] sourcefile targetfile [install options]
4#
5
6
7# Check for uninstall option
8if test "x$1" == "x--uninstall" ; then
9  UNINSTALL=true
10  SOURCE=$2
11  TARGET=$3
12  shift 3
13else
14  UNINSTALL=false
15  SOURCE=$1
16  TARGET=$2
17  shift 2
18fi
19
20# Check usage
21if test -z "$SOURCE" || test -z "$TARGET" ; then
22  echo Usage: install.sh [--uninstall] source target [install options] >&2
23  exit 1
24fi
25
26
27#
28# do_install(SOURCE_FILE, TARGET_FILE)
29#
30
31do_install()
32{
33  local SOURCE=$1
34  local TARGET=$2
35  local PARAMS=$3
36
37  install -p -D $PARAMS $SOURCE $TARGET
38}
39
40
41#
42# do_uninstall(SOURCE_FILE, TARGET_FILE)
43#
44
45do_uninstall()
46{
47  local SOURCE=$1
48  local TARGET=$2
49
50  # Does target exist?
51  if test -r $TARGET ; then
52    # Is target of the same version as this package?
53    if diff $SOURCE $TARGET >/dev/null; then
54      rm -f $TARGET
55    else
56      echo WARNING: Skipping uninstall for $TARGET - versions differ! >&2
57    fi
58  else
59    echo WARNING: Skipping uninstall for $TARGET - not installed! >&2
60  fi
61}
62
63
64# Call sub routine
65if $UNINSTALL ; then
66  do_uninstall $SOURCE $TARGET
67else
68  do_install $SOURCE $TARGET "$*"
69fi
70
71exit 0
72