Portable Chromium source code

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Shell Script (Release 1.0)

*PortableChromiumScript_r1.0.txt.zip

Portable Chromium.app is packaged using the Platypus script wrapper from http://sveinbjorn.sytes.net/platypus

#!/bin/sh -x

##########################################################################
#
#   Portable Chromium
#   $Revision: 1.0
#
#   The Contents of this file are made available subject to the terms
#   of the following license
#
#          - GNU General Public License Version 3
#
#   Carlo Gandolfi, Paolo Portaluri Dic. 2010
#
#   GNU General Public License Version 3, 29 June 2007
#   =============================================
#   Copyright 2010 by:
#      Carlo Gandolfi - http://www.freesmug.org
#      Paolo Portaluri - http://plus2.it/~paolo/
#
#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
#
##########################################################################

# Reset PATH
PATH=/bin:/sbin:/usr/bin:/usr/sbin
export PATH

appurl=org.chromium.Chromium.plist
appid=Chromium

userplistbase="Library/Preferences"
userplist="$HOME/$userplistbase/$appurl"
userprefbase="Library/Application Support"
userpref="$HOME/$userprefbase/$appid/Default"
usercachebase="$HOME/Library/Caches"
usercache="$usercachebase/$appid"

p_userbase="$1/Contents/Resources/app"
p_userplist="$p_userbase/$userplistbase/$appurl"
p_userpref="$p_userbase/$userprefbase/$appid"
copy_pref="$p_userbase/../CopyPref_Done"

CD="$p_userbase/../CocoaDialog.app/Contents/MacOS/CocoaDialog"
appicon="$p_userbase/../appIcon.icns"
cautionicon="$p_userbase/../P_${appid}_Caution.icns"

# ========================================================
# CDokmessage
# CocoaDialog Ok/Cancel message box
# $1 "text"
# $2 "informative text"
# $3 "--no-cancel" = don't show a cancel button
# ========================================================

function CDokmessage {
    beep
    "$CD" ok-msgbox  --icon-file "$appicon" \
    --text "$1" --informative-text "$2" "$3"
}

function CDokmessagec {
    beep
    "$CD" ok-msgbox  --icon-file "$cautionicon" \
    --text "$1" --informative-text "$2" "$3"
}

function beep {
    /usr/bin/osascript << EOT
    tell application "Finder"
    beep
    end tell
EOT
}

# ========================================================
# bsd_command_check
# Check that the required BSD command are installed
# ========================================================

function command_check_msg {
message1="One or more *BSD commands* to run Portable $appid were not found on \
this machine. You must install the BSD Subsystem package that is in the \
following folder on disk 1 of your Mac OS X installation DVD:\n/Welcome to Mac \
OS X/Optional Installs.\n\nNow quit."
button=`/usr/bin/osascript << EOT
    tell application "Finder"
    beep
    display dialog "$message1" buttons {"Quit"} \
        with icon caution default button "Quit"
    set result to button returned of result
    end tell
EOT`
if test "$button" == "Quit"; then                # Quit application
    exit 112
fi
}

function bsd_command_check {      # written by Patrick Luby    
commands="awk cp diskutil echo grep mkfifo mkdir mv ps rm touch"
for i in $commands ; do
    if [ ! -x "/usr/bin/$i" -a ! -x "/bin/$i" -a ! -x "/usr/sbin/$i" -a ! -x "/sbin/$i" ] ; then
        # Return 96 + 16 if a command is not found
        command_check_msg;
        exit 112;
    fi
done
}

# ========================================================
# osx_version_check
# Check that the user is running Mac OS X 10.4 or higher
# ========================================================

function version_check_msg {
message1="You are running OS X version $version.\n\
Portable $appid can only be opened on Mac OS X 10.4 or higher."
button=`/usr/bin/osascript << EOT
    tell application "Finder"
    beep
    display dialog "$message1" buttons {"Quit"} \
        with icon caution default button "Quit"
    set result to button returned of result
    end tell
EOT`
if test "$button" == "Quit"; then                # Quit application
    exit 113
fi

}

function osx_version_check {     # written by Patrick Luby    
if [ -x "/usr/bin/sw_vers" ] ; then
    # Return 96 + 17 if it is a bad version
    version=`/usr/bin/sw_vers | grep '^ProductVersion:' | awk '{ print $2 }'`
    case "$version" in
        10.[0123]) version_check_msg ; exit 113;;
        10.[0123].*) version_check_msg ; exit 113;;
    esac
fi
}

# ========================================================
# quitapp
# Check if local app is open and quit
# ========================================================

function quitapp {
    if ps cx | grep '[0-9] '"$appid"'$' > /dev/null; then
        rv=` CDokmessage "$appid is already running on this system" \
        "Only one copy can be run at a time. \
Quit runnig $appid and reopen Portable $appid." "--no-cancel" `
        if [ "$rv" == "1" ] ; then                # Quit application
            exit 0
        fi
    fi
}

# ========================================================
# repair
# Repair preferences if Portable Application crashed
# ========================================================

function restore {
    if [ -f "$userplist.pabu" ] ; then
        recover_plist
    fi
    if [ -d "$userpref.pabu" ] ; then
        rm -rf "$userpref"
        recover_asf
    fi
}

function restorepabu {
    if [ -f "$userplist" ] || [ -d "$userpref" ] ; then
        removemsg="Portable $appid has not restored local preferences back-up. \
Newer preferences already exists. You are now restoring preferences back-up \
overwriting/deleting existing one."
    else
        removemsg="Portable $appid has not restored local preference back-up. \
You are now restoring them."
    fi
    rv=` CDokmessagec "Restore local preferences back-up" "$removemsg" `
    if [ "$rv" == "1" ] ; then
        if restore ; then
            CDokmessage "$appid Preferences back-up Restore done" \
"Local $appid preferences back-up restored with success." "--no-cancel" > /dev/null
        else
            CDokmessagec "$appid Preferences back-up Restore error" \
        "Local $appid preferences back-up can't be restored. Now quit." "--no-cancel" \
        > /dev/null
            exit 0
        fi
    elif [ "$rv" == "2" ] ; then
        repair
    fi
}

function copy {
    rm -rf "$HOME/$appid Pref BackUp/"
    if [ -f "$userplist.pabu" ] ; then
        mkdir -p "$HOME/$appid Pref BackUp/$userplistbase"
        mv "$userplist.pabu" \
        "$HOME/$appid Pref BackUp/$userplistbase/$appurl"
    fi
    if [ -d "$userpref.pabu" ] ; then
        mkdir -p "$HOME/$appid Pref BackUp/$userprefbase"
        mv "$userpref.pabu" \
        "$HOME/$appid Pref BackUp/$userprefbase/$appid"
    fi
}

function copypabu {
    rv=` CDokmessagec "Copy local preferences back-up" \
    "Portable $appid has not restored local preference back-up. \
You are now copying them to \"$HOME/$appid Pref BackUp/\" folder." `
    if [ "$rv" == "1" ] ; then
        if copy ; then
            CDokmessage "$appid Preferences back-up Copy done" "Preferences \
back-up copied to \"$HOME/$appid Pref BackUp/\" folder with success." \
"--no-cancel" > /dev/null
        else
            CDokmessagec "$appid Preferences back-up Copy error" "Preferences \
back-up can't be copied to \"$HOME/$appid Pref BackUp/\" folder. Now quit." \
"--no-cancel" > /dev/null
            exit 0
        fi
    elif [ "$rv" == "2" ] ; then
        repair
    fi
}

function repair {
    if  [ -d "$usercache.pabu" ] ; then
        rm -rf "$usercache.pabu"            # Delete backup cache
    fi
    if [ -h "$userpref" ] ; then
        rm -f "$userpref"                    # Delete symlink
    fi
    if [ -f "$userplist.pabu" ] || [ -d "$userpref.pabu" ] ; then
        beep    
        text2="Local $appid pref back-up not restored"
        informativetext2="A temporary back-up of local $appid preferences \
still exist, Portable $appid crashed without restoring this back-up. You can \
Restore local preferences back-up now or Copy to \""$HOME/$appid" BackUp\" \
folder to manually restore later."
        rv=`"$CD" msgbox  --icon-file "$cautionicon" \
        --text "$text2" --informative-text "$informativetext2" \
        --button1 "Restore" --button2 "Copy"`
        if [ "$rv" == "1" ] ; then
            restorepabu            
        elif [ "$rv" == "2" ] ; then
            copypabu
        fi    
    fi
}

# ========================================================
# check_p_asf
# Check and create Portable Application Support folders
# ========================================================

function check_p_asf {
    readonly=`diskutil info "$p_userbase" | grep "Read Only" | awk '{ print $3 }'`
    if [ "$readonly" = Yes ]; then
        CDokmessagec "Portable $appid is on a locked volume" "Portable $appid can't \
be opened on a locked volume. Now quit." "--no-cancel" > /dev/null
        exit 0
    else
        if [ ! -d "$p_userpref" ] ; then
            mkdir -p "$p_userpref"
        fi
        if [ ! -d "$p_userbase/$userplistbase" ] ; then
            mkdir -p "$p_userbase/$userplistbase"
        fi
    fi
}

# ========================================================
# bu/recover preference
# BackUp existing preference and restore portable ones
# ========================================================

function bu_plist {
    mv "$userplist" "$userplist.pabu"
}

function recover_plist {
    mv "$userplist.pabu" "$userplist"
}

function recover_p_plist {
    if [ -f "$p_userplist" ] ; then
        cp "$p_userplist" "$userplist"
    fi
}

function bu_p_plist {
    cp "$userplist" "$p_userplist"
}

# ========================================================
# copy_local_pref
# Copy local preferences to Portable Application
# ========================================================

function runcopypref {    # written by Kevin Hendricks 
    rm -f /tmp/hpipe
    mkfifo /tmp/hpipe
    "$CD" progressbar --indeterminate --title "Copying $appid Preferences" \
    --text "Copying \"$userpref\". Please wait..." < /tmp/hpipe &
    exec 3<> /tmp/hpipe
    echo -n . >&3
    # do all of your work here
    cp -R "$userpref" "$p_userpref"
    exec 3>&-
    wait
    rm -f /tmp/hpipe
}

function check_asf {
    if [ -d "$p_userpref" ] ; then
        # delete p_userpref if it still exist
        rm -Rf "$p_userpref"
    else
        mkdir -p "$p_userpref"
    fi
}

# copy Preferences Folder
function copy_pf {
    userprefsize=`du -hc "$userpref" | cut -f1 | tail -1`
    freesize=`df -h "$p_userbase" | tail -1 | awk '{print $4}'`
    buserprefsize=`du -c "$userpref" | cut -f1 | tail -1`
    bfreesize=`df "$p_userbase" | tail -1 | awk '{print $4}'`
    if [ $buserprefsize -lt $bfreesize ] ; then
        rv=` CDokmessage "Copy $appid Preferences" \
        "Your $appid Preferences are $userprefsize. \
You have $freesize available. Copy to Portable $appid?" `
        if [ "$rv" == "1" ] ; then
            if check_asf ; bu_p_plist ; runcopypref ; then
                touch -f "$copy_pref"
                "$CD" bubble --title "$appid Preferences copied" --text "Local \
$appid Preferences copied to Portable $appid with success." \
--icon-file "$appicon"
            else
                "$CD" bubble --title "$appid Preferences copy error" \
--text "An error occurred copying $appid Preferences to Portable $appid." \
--icon-file "$cautionicon" --no-timeout
            fi
        fi
        else
        CDokmessagec "No space to copy $appid Preferences" \
        "Your $appid Preferences are $userprefsize. \
You have $freesize available. There is no enough space. Portable $appid will \
open without copy existing $appid Preferences." "--no-cancel" > /dev/null
    fi
}

function copy_local_pref {
    if [ ! -f "$copy_pref" ] && [ -d  "$userpref" ] ; then
    beep
    text="Copy Preferences"
    informativetext="Copy the existing $appid Preferences \
on this system to Portable $appid?"
    rv=`"$CD" msgbox --no-newline --icon-file "$appicon" \
    --text "$text" --informative-text "$informativetext" \
    --button1 "Copy" --button2 "Don't Copy" --button3 "Never"`
        if [ "$rv" == "1" ] ; then
            copy_pf
        elif [ "$rv" == "3" ] ; then
            touch -f "$copy_pref" 
        fi
    fi
}

# ========================================================
# bu/recover cache
# BackUp existing cache
# ========================================================

function bu_cache {
    if [ -d "$usercache" ] ; then
        mv "$usercache" "$usercache.pabu"
    fi
}

function recover_cache {
    if  [ -d "$usercache.pabu" ] ; then
        mv "$usercache.pabu" "$usercache"
    fi
}

function remove_p_cache {
    if  [ -d "$usercache" ] ; then
        rm -rf "$usercache"
    fi
}

# ========================================================
# run
# Open Portable Application
# ========================================================

function run_app {
    "$p_userbase/$appid.app/Contents/MacOS/$appid" -user-data-dir="$p_userpref"
}

# ========================================================
# open_p_app
# Run Portable Application script
# ========================================================

function set_p_app {
    if  [ -f "$userplist" ] ; then
        bu_plist            # Backup of existing preference
    fi
    if [ -d "$usercache" ] ; then
        bu_cache            # Backup exixting Cache folder
    fi
    recover_p_plist            # Recover portable preference
}

function close_p_app {
    bu_p_plist                # Backup portable preference
    remove_p_cache            # Remove portable cache
    if  [ -f "$userplist.pabu" ] ; then
        recover_plist        # Restore existing preference
    else                    # Remove portable preference
        rm -f "$userplist"
    fi
    if  [ -d "$usercache.pabu" ] ; then
        recover_cache        # Restore existing cache
    fi
}

function open_p_app {
    if set_p_app ; then
        "$CD" bubble --title "Portable $appid setup ok" --text "Portable \
$appid open with success." --icon-file "$appicon" &
    else
        CDokmessagec "Portable $appid setup error" \
"An error occour while opening portable preferences. Now quit." "--no-cancel" > /dev/null
    close_p_app
    exit 0
    fi
    run_app                 # Run application from external drive
    if close_p_app ; then
    "$CD" bubble --title "Portable $appid quit" --text "Portable \
$appid quit with success." --icon-file "$appicon" &
    else
    CDokmessagec "Portable $appid quit error" \
"An error occur while restoring local preferences or chache. \
Try to reopen Portable $appid to fix the problem." "--no-cancel" > /dev/null
    fi
}

bsd_command_check
osx_version_check
quitapp
repair
check_p_asf
copy_local_pref
open_p_app
exit 0

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