1#!/bin/sh
2#
3# Copyright (c) 2005-2010, Apple Computer, Inc. All rights reserved.
4# 
5# @APPLE_BSD_LICENSE_HEADER_START@
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1.  Redistributions of source code must retain the above copyright
11#     notice, this list of conditions and the following disclaimer. 
12# 2.  Redistributions in binary form must reproduce the above copyright
13#     notice, this list of conditions and the following disclaimer in the
14#     documentation and/or other materials provided with the distribution. 
15# 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
16#     its contributors may be used to endorse or promote products derived
17#     from this software without specific prior written permission. 
18# 
19# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND
20# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22# ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR
23# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
27# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
28# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29# POSSIBILITY OF SUCH DAMAGE.
30#
31# @APPLE_BSD_LICENSE_HEADER_END@
32
33
34###
35### Given a list of filenames, this function will
36### find the largest number after the '~' and return
37### its value. Used to calculate a non-conflicting build number.
38###
39function GetBuildVersion() {
40	local maxbuild="0"
41	if [ $# -eq 0 ]; then
42		echo ""
43		return 0
44	fi
45	for X in $* ; do
46		# Grab the numeric portion after the '~'
47		build=$(echo $X | sed -e 's/^.*~\([0-9]*\)$/\1/')
48		# If the regex fails, it somtimes prints the same line
49		if [ "$build" != "$X" -a "$build" != "" ]; then
50			# [ seems to things on the left of the -a, 
51			# so do this in a different statement to avoid
52			# errors about non-numeric values of $build
53			if [ "$build" -gt "$maxbuild" ]; then
54				maxbuild="$build"
55			fi
56		fi
57	done
58	echo $maxbuild
59}
60
61###
62### Trap calls to ditto since it is only available on Mac OS X
63### Warning: only supports the directory-to-directory form
64function ditto() {
65	local srcdir="$1"
66	local dstdir="$2"
67	if [ -x /usr/bin/ditto ]; then
68		/usr/bin/ditto "$srcdir" "$dstdir"
69	else
70		tar c -C "$srcdir" . | tar xf - -C "$dstdir"
71	fi
72}
73
74CURLARGS=${CURLARGS:-}
75