#!/bin/sh

#**************************************************************************
#*                                                                        *
#*                                 OCaml                                  *
#*                                                                        *
#*          Damien Doligez, projet Moscova, INRIA Rocquencourt            *
#*                                                                        *
#*   Copyright 2003 Institut National de Recherche en Informatique et     *
#*     en Automatique.                                                    *
#*                                                                        *
#*   All rights reserved.  This file is distributed under the terms of    *
#*   the GNU Lesser General Public License version 2.1, with the          *
#*   special exception on linking described in the file LICENSE.          *
#*                                                                        *
#**************************************************************************

cd package-macosx
rm -rf ocaml.pkg ocaml-rw.dmg

VERSION=`sed -e 1q ../VERSION`
VERSION_MAJOR=`sed -n -e '1s/^\([0-9]*\)\..*/\1/p' ../VERSION`
VERSION_MINOR=`sed -n -e '1s/^[0-9]*\.\([0-9]*\)[.+].*/\1/p' ../VERSION`

cat >Description.plist <<EOF
  <?xml version="1.0" encoding="UTF-8"?>
  <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN"
            "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
  <plist version="1.0">
  <dict>
          <key>IFPkgDescriptionDeleteWarning</key>
          <string></string>
          <key>IFPkgDescriptionDescription</key>
          <string>The OCaml compiler and tools</string>
          <key>IFPkgDescriptionTitle</key>
          <string>OCaml</string>
          <key>IFPkgDescriptionVersion</key>
          <string>${VERSION}</string>
  </dict>
  </plist>
EOF

cat >Info.plist <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN"
          "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
        <key>CFBundleGetInfoString</key>
        <string>OCaml ${VERSION}</string>
        <key>CFBundleIdentifier</key>
        <string>fr.inria.ocaml</string>
        <key>CFBundleName</key>
        <string>OCaml</string>
        <key>CFBundleShortVersionString</key>
        <string>${VERSION}</string>
        <key>IFMajorVersion</key>
        <integer>${VERSION_MAJOR}</integer>
        <key>IFMinorVersion</key>
        <integer>${VERSION_MINOR}</integer>
        <key>IFPkgFlagAllowBackRev</key>
        <true/>
        <key>IFPkgFlagAuthorizationAction</key>
        <string>AdminAuthorization</string>
        <key>IFPkgFlagDefaultLocation</key>
        <string>/usr/local</string>
        <key>IFPkgFlagInstallFat</key>
        <false/>
        <key>IFPkgFlagIsRequired</key>
        <false/>
        <key>IFPkgFlagRelocatable</key>
        <false/>
        <key>IFPkgFlagRestartAction</key>
        <string>NoRestart</string>
        <key>IFPkgFlagRootVolumeOnly</key>
        <true/>
        <key>IFPkgFlagUpdateInstalledLanguages</key>
        <false/>
        <key>IFPkgFormatVersion</key>
        <real>0.10000000149011612</real>
</dict>
</plist>
EOF

mkdir -p resources

#                                         stop here -> |
cat >resources/ReadMe.txt <<EOF
This package installs OCaml version ${VERSION}.
You need Mac OS X 10.11.x (El Capitan) or later, with the
XCode tools installed (v7.2.1 or later).

Files will be installed in the following directories:

/usr/local/bin - command-line executables
/usr/local/lib/ocaml - library and support files
/usr/local/man - manual pages

Note that this package installs only command-line
tools and does not include any GUI application.
EOF

chmod -R g-w root
sudo chown -R root:wheel root

# HOW TO INSTALL PackageMaker:
# Get PackageMaker.app from
# https://developer.apple.com/downloads/index.action?name=Auxiliary
# It's in the "Auxiliary Tools for Xcode" download.
# Copy it to /Applications/.
/Applications/PackageMaker.app/Contents/MacOS/PackageMaker \
  -build -p "`pwd`/ocaml.pkg" -f "`pwd`/root" -i "`pwd`/Info.plist" \
  -d "`pwd`/Description.plist" -r "`pwd`/resources"

size=`du -s ocaml.pkg | cut -f 1`
size=`expr $size + 8192`

hdiutil create -sectors $size ocaml-rw.dmg
name=`hdid -nomount ocaml-rw.dmg | grep Apple_HFS | cut -d ' ' -f 1`
volname="OCaml ${VERSION}"
newfs_hfs -v "$volname" $name
hdiutil detach $name

name=`hdid ocaml-rw.dmg | grep Apple_HFS | cut -d ' ' -f 1`
if test -d "/Volumes/$volname"; then
  ditto -rsrcFork ocaml.pkg "/Volumes/$volname/ocaml.pkg"
  cp resources/ReadMe.txt "/Volumes/$volname/"
else
  echo "Unable to mount the disk image as \"/Volumes/$volname\"" >&2
  exit 3
fi
open "/Volumes/$volname"
sleep 2
hdiutil detach $name

rm -rf "ocaml-${VERSION}.dmg"
hdiutil convert ocaml-rw.dmg -format UDZO -o "ocaml-${VERSION}.dmg"