Redline Addons Updater

redline-addons-updater.sh

#/bin/sh

echo " ________           _____          "
echo "/_______ \___  ____/ / (_)___  ___ "
echo "   / /_/ / _ \/ __  / / / __ \/ _ \ "
echo "  / _, _/  __/ /_/ / / / / / /  __/_________________________"
echo " /_/ |_|\___/\__,_/_/_/_/ /_/\_____________________________/"
echo ""
echo "Addons Updater v1.3.2 by D.M.Deller"
echo ""

ver=132

# Ugly hack to make this run from the directory in which it was
# double-clicked - only when we're run as a .command file
#cd "`dirname "$0"`"
#pwd

# Platypus: change to .app dir, then parent (Redline folder!)
cd "$1"
cd ..
#pwd

# Make sure we have a Plug-Ins folder to write to...
if [ -d Plug-Ins ]
  then
    sleep 2
    echo "Starting up..."
  else
    echo "You need to place this in your Redline folder."
    echo ""
    echo -n "(Press Quit)"
    exit
fi

# Remove bad versions from 1.0 and 1.1
# Intel:
#-rwxr-xr-x   1 dmd   dmd   141788 Mar 22  2006 unzip
#-rwxr-xr-x   1 dmd   dmd   189260 Mar 23  2006 wget
# PPC:
#-rwxr-xr-x   1 dmd   dmd   126064 Mar 22  2006 unzip
#-rwxr-xr-x   1 dmd   dmd   192404 Mar 23  2006 wget
#---code here---
if [ -e "Update Addons.command" ]
  then
    echo "Removing old version of Addons Updater..."
    rm "Update Addons.command"
fi
if [ -e Plug-Ins/wget ]
  then
    echo "Removing old version of wget from Plug-Ins..."
    rm Plug-Ins/wget
fi
if [ -e Plug-Ins/unzip ]
  then
    echo "Removing old version of unzip from Plug-Ins..."
    rm Plug-Ins/unzip
fi

# Make sure we also have the right tools...
if [ -e /usr/bin/unzip ]
  then
    echo "Found unzip..." > /dev/null
  else
    echo "Your unzip binary seems to be missing. Updater cannot continue."
    echo "Are you running Mac OS X 10.4 or later?"
    echo "If so, please report this as a bug to the author."
    echo ""
    echo -n "(Press Quit)"
    exit
fi

# Check for new version

echo "Checking updater version..."
newver=`"$1/Contents/Resources/wget" -o /dev/null -O - http://horizon-nigh.org/redline/ver.php`
if [ $newver ]
then
  echo "Version check ok" > /dev/null
else
  echo "Version check failed! :("
fi

# Create temporary data location
if [ -e /tmp/redline-addons-updater ]
  then
    echo "" > /dev/null # i know, i know... hey! step away from thedailywtf...
  else
    mkdir /tmp/redline-addons-updater
fi

# regular expression for use with sed, cuts out everything in 'ls -ln'
# except last modified and filename
sst='s/^.+[[:space:]]+[0-9]+[[:space:]]+[0-9]+[[:space:]]+[0-9]+[[:space:]]+[0-9]+[[:space:]]+|total.+//g'

# Write current directory listing to temp file 1
ls -ln Plug-Ins | sed -E $sst > /tmp/redline-addons-updater/ls1

echo "---"

# Get from the web:
#  recursively,
#  only to one level,
#  only if a newer version exists,
#  no creating directories locally,
#  in the folder "Plug-Ins",
#  trying 3 times (if necessary),
#  using FTP passive mode (for people behind firewalls),
#  leaving a .listing file (just in case),
#  everything at this FTP URL.
"$1/Contents/Resources/wget" -r -l 1 -N -nd -P Plug-Ins -t 3 --passive-ftp -nr --progress=dot:mega ftp://ftp.ambrosiasw.com/pub/redline/cars/ ftp://ftp.ambrosiasw.com/pub/redline/tracks/

# Write current directory listing to temp file 1 and a half ;P
ls -ln Plug-Ins | sed -E $sst > /tmp/redline-addons-updater/ls1.5

echo "---"
  
# Look at every zip file that was just downloaded,
#  and unzip them,
#   overwriting existing files,
#   without creating any directories,
#   without printing anything to terminal,
#   to the folder "Plug-Ins".
#for file in `diff /tmp/redline-addons-updater/ls1 /tmp/redline-addons-updater/ls1.5 | grep \> | cut -c17-999 | egrep .zip$`
#do
#  echo "Unzipping $file ..."
#  /usr/bin/unzip -o -j -qq "Plug-Ins/$file" -d Plug-Ins
#done

# the above method breaks for filenames with spaces in them...

# Compare changes before and after downloading,
#  Get only the filenames from that,
#   Get only lines ending in .zip from that,
#    And tell perl:
#     for each line, call 'unzip',
#      overwriting existing files,
#      without creating any directories,
#      without printing anything to terminal,
#      to the folder "Plug-Ins".
diff /tmp/redline-addons-updater/ls1 /tmp/redline-addons-updater/ls1.5 | grep \> | cut -c16-999 | egrep .zip$ | perl -ln -e 'print "Unzipping ".$_."...\n"; system("unzip","-o","-j","-qq","Plug-Ins/".$_,"-d","Plug-Ins")'

# at this point you're wondering, well why didn't you just do the
# whole damn thing in perl or something else? well... I only just
# discovered Platypus :)

# Write current directory listing to temp file 2
ls -ln Plug-Ins | sed -E $sst > /tmp/redline-addons-updater/ls2

# Compare the two temp files, and count the differences
nummod=`diff /tmp/redline-addons-updater/ls1 /tmp/redline-addons-updater/ls2 | grep \> | wc -l | tr -s " "`

echo "---"
echo "Updated $nummod files."

# If there were changes made, display them
if [ $nummod -gt 0 ]
then
    diff /tmp/redline-addons-updater/ls1 /tmp/redline-addons-updater/ls2 | grep \>
fi

# If there were changes made to bin/hqx/dmg files, display a warning
if [ `diff /tmp/redline-addons-updater/ls1 /tmp/redline-addons-updater/ls2 | grep \> | egrep \(.bin\|.hqx\|.dmg\|.sit\|.sitx\) | wc -l | tr -s " "` -gt 0 ]
  then
    echo ""
    echo "WARNING: The updater cannot decompress bin/hqx/dmg/sit/sitx files."
    echo "You should visit your Plug-Ins folder and do those manually."
fi

# Remove temporary files
rm -r /tmp/redline-addons-updater

# New version notification
if [ $newver ]
then
  if [ $newver -gt $ver ]
  then
    echo "---"
    echo "Hey, there's a new version of Addons Updater available!"
    echo "Opening your web browser..."
    sleep 2
    open "http://horizon-nigh.org/redline"
  fi
fi

echo "---"
echo "All done!"
echo ""
echo -n "(Press Quit)"