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# Copyright (c) 2007 ps Enable, Inc. All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# 
# 	Redistributions of source code must retain the above copyright
# 	notice, this list of conditions and the following disclaimer.
# 
# 	Redistributions in binary form must reproduce the above copyright
# 	notice, this list of conditions and the following disclaimer in the
# 	documentation and/or other materials provided with the distribution.
# 
# 	Neither the name of the site ps-enable.com nor the names of its
# 	contributors may be used to endorse or promote products derived from
# 	this software without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
# OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# This script assumes that you are releasing a drag-into-/Applications package
# or have the freeware Iceberg package creation tool installed. It is intended
# for use as a shells script step in XCode and thus does not have a #!/bin/sh
# at the top. 

# If you want to create a package, create a subfolder in the top-level project folder
# called "Packaging" before running the script. In there, create an Iceberg
# .packproj file along with any other files associated with the package (e.g.,
# postinstall, preflight, etc.). 

# NOTE (FIXME): There doesn't seem to be any way to propagate the version number
# into the Iceberg package project. You will need to adjust it manually for now. 

# NOTE (FIXME): Check for and build Leopard PackageMaker projects as well. Check on how
# to propagate the version number into a PackageMaker project as well. Some other
# language (Python, Perl, Ruby?) may be necessary. 

# Set these variables in your project's xcconfig file
# Idea from James Duncan Davidson <http://duncandavidson.com/>

# NOTE (FIXME): Need to incorporate a sequential build number as well as the "labeling"
# release number, to disambiguate potential pitfalls. 

# MYAPP_VERSION = release version
# SHIP_PRODUCT_NAME = MyApp.app - allows flexibility in what to ship on the DMG
# CREATE_SOURCE_TGZ="true" if you want to include the project source in the release
# SERVER_LOCATION="hostname.example.com:/Path/to/folder" if you want to auto upload the DMG

# set some variables based on the project name, version, and build style

# Location of the directory where we will build the disk image contents
DMGDIR="$TARGET_TEMP_DIR"/"$PROJECT_NAME $MYAPP_VERSION"
# Location of the target disk image file itself
DMGPATH="$TARGET_BUILD_DIR"/"$PROJECT_NAME $MYAPP_VERSION".dmg

# location of binaries
FREEZE="/usr/local/bin/freeze"
RM="/bin/rm"
MKDIR="/bin/mkdir"
MV="/bin/mv"
LS="/bin/ls"
CP="/bin/cp"
DITTO="/usr/bin/ditto"
GNUTAR="/usr/bin/gnutar"
HDIUTIL="/usr/bin/hdiutil"
SCP="/usr/bin/scp"

# Only do this if the build style is Release
# This prevents link problems in the final product
# Idea from James Duncan Davidson <http://duncandavidson.com/>
if [ "Release" != "$CONFIGURATION" ]; then
  echo 'error: Package creation only works for Release builds'
  exit -1
fi

# clean up the dmg path if it exists
if [ -e "$DMGDIR" ]; then
	"$RM" -rf "$DMGDIR"
fi

# create the disk image root if needed
if [ ! -e "$DMGDIR" ]; then
	"$MKDIR" -p "$DMGDIR"
fi

# NOTE (FIXME): Need to be able to handle more than one installer package build. 

# if an Iceberg package project exists, build the package
if `"$LS" "$SRCROOT/Packaging/$PROJECT_NAME".packproj > /dev/null 2>&1`; then

	# run the /usr/local/bin/freeze tool to build the Iceberg project
	"$FREEZE" -v -d "$TARGET_TEMP_DIR" "$SRCROOT"/Packaging/"$PROJECT_NAME".packproj

	# move the resulting package into the packaging root to build the .dmg
	"$MV" "$SRCROOT"/Packaging/build/"$PROJECT_NAME".pkg "$DMGDIR"/

else
	
	# Not a package installer, so copy the built result into the DMG temp folder
	"$DITTO" "$TARGET_BUILD_DIR"/"$SHIP_PRODUCT_NAME" "$DMGDIR"/"$SHIP_PRODUCT_NAME"
fi

# NOTE (FIXME): Set up something more elegant to handle more complete docs, rtfd's,
# other types of files or packages

# copy the ReadMe file to the DMG dir
if [ -e "$SRCROOT"/Packaging/ReadMe.rtf ]; then
	"$CP" "$SRCROOT"/Packaging/ReadMe.rtf "$DMGDIR"/
fi

# copy the LICENSE.txt file to the DMG dir
if [ -e "$SRCROOT"/Packaging/License.rtf ]; then
	"$CP" "$SRCROOT"/Packaging/License.rtf "$DMGDIR"/
fi

# create a clean copy of the sources if the flag is set in xcconfig file
# have to do this outside the source tree to prevent infinite recursion
if [ "true" == "$CREATE_SOURCE_TGZ" ]; then

	"$DITTO" "$SRCROOT" /tmp/"$PROJECT_NAME"
	"$RM" -rf /tmp/"$PROJECT_NAME"/build
	"$RM" -rf /tmp/"$PROJECT_NAME"/"testing folder"
	cd /tmp
	"$GNUTAR" zcf "$DMGDIR"/"$PROJECT_NAME.src.tgz" "$PROJECT_NAME"
	"$RM" -rf /tmp/"$PROJECT_NAME"

fi

# clean out the old disk image
if [ -e "$DMGPATH" ]; then
	"$RM" "$DMGPATH"
fi

# create the disk image
"$HDIUTIL" create -srcfolder "$DMGDIR" "$DMGPATH"

# copy the disk image up to the deployment server if it is specified
# Use scp for now
# add other methods (curl, etc.) later
# this assumes that you have an ssh identity key pair set up so that you don't need 
# to type a password to use scp
# Idea from James Duncan Davidson <http://duncandavidson.com/>
if [ -n "$SERVER_LOCATION" ]; then
	"$SCP" "$DMGPATH" "$SERVER_LOCATION"
fi