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#!/bin/sh
# XScreenSaver, Copyright © 2013-2016 Jamie Zawinski <jwz@jwz.org>
#
# Permission to use, copy, modify, distribute, and sell this software and its
# documentation for any purpose is hereby granted without fee, provided that
# the above copyright notice appear in all copies and that both that
# copyright notice and this permission notice appear in supporting
# documentation. No representations are made about the suitability of this
# software for any purpose. It is provided "as is" without express or
# implied warranty.
#
# The guts of the installer. Copies the screen savers out of the adjacent
# "Screen Savers" directory and into "/Library/Screen Savers/". We do it
# this way instead of just including the screen savers in the package
# because that would double the size of the DMG.
#
# Created: 27-Jul-2013.
#exec >/tmp/xscreensaver.log 2>&1
#set -x
DEBUG=0
REQUIRED_SPACE=160 # MB. Highly approximate.
export PATH="/bin:/sbin:/usr/bin:/usr/sbin:$PATH"
function error() {
echo "XScreenSaver Installer: Error: $@" >&2
# Using "System Events" says "No user interaction allowed" on 10.9.
# But using "SystemUIServer" or "Automator Runner" still seems to work.
#
runner="System Events"
if [ -d "/System/Library/CoreServices/SystemUIServer.app" ]; then
runner="SystemUIServer"
elif [ -d "/System/Library/CoreServices/Automator Runner.app" ]; then
runner="Automator Runner"
fi
(
osascript <<__EOF__
tell app "$runner" to \
display dialog "$@" \
buttons "Bummer" \
default button 1 \
with icon 0 \
with title "Installation Error"
__EOF__
) </dev/null >/dev/null 2>&1 &
exit 1
}
#if[ x"$DSTVOLUME" = x ]; then error "DSTVOLUME unset"; fi
if [ x"$PACKAGE_PATH" = x ]; then error "PACKAGE_PATH unset"; fi
if [ x"$HOME" = x ]; then error "HOME unset"; fi
echo "Destination: $DSTVOLUME" >&2
if [ x"$USER" = xjwz ]; then DEBUG=1; fi
if [ "$DEBUG" != 0 ]; then DSTVOLUME=/tmp; fi
SRC=`dirname "$PACKAGE_PATH"`/"Screen Savers"
DST1="$DSTVOLUME/Library/Screen Savers"
DST2="$DSTVOLUME/Applications"
PU="$DSTVOLUME/$HOME/Library/Screen Savers"
# Because of Sparkle.framework weirdness, "XScreenSaverUpdater.app" is
# in the DMG as a compressed tar file instead of an app, and we unpack
# it when installing. Without this, auto-updates won't work: If there's
# an .app there, Sparkle thinks that "XScreenSaverUpdater.app" is the
# thing it should be updating instead of "Install Everything.pkg".
#
UPDATER_SRC="XScreenSaver.updater"
UPDATER_DST="XScreenSaverUpdater.app"
cd "$SRC" || error "The 'Screen Savers' folder does not exist.
You can't copy the installer out of the Disk Image!"
free=`df -k "$DSTVOLUME" |
tail -1 | head -1 | awk '{print $4}'`
need=`echo $REQUIRED_SPACE \* 1024 | bc`
if [ "$free" -lt "$need" ]; then
free=`echo $free / 1024 | bc`
error "Not enough disk space: $free MB available, $REQUIRED_SPACE MB required."
fi
mkdir -p "$DST1" || error "Unable to create directory $DST1/"
mkdir -p "$DST2" || error "Unable to create directory $DST2/"
# Install the savers and the updater in /System/Library/Screen Savers/
# Install the other apps in /Applications/
#
for f in *.{saver,app} "$UPDATER_SRC" ; do
EXT=`echo "$f" | sed 's/^.*\.//'`
if [ "$f" = "$UPDATER_SRC" ]; then
DST="$DST1"
elif [ "$EXT" = "app" ]; then
DST="$DST2"
else
DST="$DST1"
fi
DD="$DST/$f"
echo "Installing $DD" >&2
rm -rf "$DD" || error "Unable to delete $DD"
if [ "$f" = "$UPDATER_SRC" ]; then
( cd "$DST/" && tar -xzf - ) < "$f" || error "Unable to unpack $f in $DST/"
else
cp -pR "$f" "$DD" || error "Unable to install $f in $DST/"
fi
# Eliminate the "this was downloaded from the interweb" warning.
xattr -r -d com.apple.quarantine "$DD"
if [ "$EXT" = "app" ]; then
# Eliminate the "this is from an unknown developer" warning.
spctl --add "$DD"
fi
# If this saver or app is also installed in the per-user directory,
# delete that copy so that we don't have conflicts.
#
if [ "$DEBUG" = 0 ]; then
rm -rf "$PU/$f"
fi
done
# Launch System Preferences with the Screen Saver pane selected.
#
open /System/Library/PreferencePanes/DesktopScreenEffectsPref.prefPane &
exit 0
|
