make a chrome app from FB Messenger

make_fb_messenger_app.sh

# run
# curl -o $TMPDIR/make_fb_messenger_app.sh 'https://gist.githubusercontent.com/jhildensperger/8b1e71eaf3566ec951b9/raw/52f02d049dd25a987b2cb33e092f3882fc256bab/make_fb_messenger_app.sh' && \
# chmod +x $TMPDIR/make_fb_messenger_app.sh && \
# $TMPDIR/make_fb_messenger_app.sh

#!/bin/sh

chromeAppPath="/Applications/Google Chrome.app"
chromeExecutablePath="$chromeAppPath/Contents/MacOS/Google Chrome"

if [ -d "$chromeAppPath" ]; then

curl -o $TMPDIR/icon.png 'https://scontent.fsjc1-1.fna.fbcdn.net/hphotos-xpf1/t39.2365-6/11057099_383365451847896_1818480781_n.png'

appName="FB Messenger"
appUrl="https://www.messenger.com"
iconPath="$TMPDIR/icon.png"

# various paths used when creating the app
resourcePath="/Applications/$appName.app/Contents/Resources"
execPath="/Applications/$appName.app/Contents/MacOS"
profilePath="/Applications/$appName.app/Contents/Profile"
plistPath="/Applications/$appName.app/Contents/Info.plist"

# make the directories
mkdir -p  "$resourcePath" "$execPath" "$profilePath"

# convert the icon and copy into Resources
if [ -f $iconPath ] ; then
sips -s format tiff $iconPath --out "$resourcePath"/icon.tiff --resampleWidth 128 >& /dev/null
tiff2icns -noLarge "$resourcePath"/icon.tiff >& /dev/null
fi

# create the executable
cat >"$execPath"/"$appName" <<EOF
#!/bin/sh
exec "$chromeExecutablePath"  --app="$appUrl" --user-data-dir="$profilePath" "\$@"
EOF
chmod +x "$execPath"/"$appName"

# create the Info.plist
cat > "$plistPath" <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" “http://www.apple.com/DTDs/PropertyList-1.0.dtd”>
<plist version=”1.0″>
<dict>
<key>CFBundleExecutable</key>
<string>$appName</string>
<key>CFBundleIconFile</key>
<string>icon</string>
</dict>
</plist>
EOF

echo "FB Messenger has been installed in your Applications directory"
echo "launching application"

open "/Applications/$appName.app/"
exit 0

else

echo "You must have the Chrome App installed"

fi