Convert apple/shell script to bundle

script2bundle.sh

#!/bin/bash

# @brief   convert apple/shell script to bundle
# @version 0.1
# @auther  gongqijian
# @date    2013/05/09

set -e

if [ $# -lt 1 ]; then
    echo "Usage: $(basename $0) script-file [appname]"
    echo "Exampel:"
    echo "    $(basename $0) example.applescript example"
    echo "    $(basename $0) example.scpt example"
    echo "    $(basename $0) example.sh example"
    exit 1
fi

dir=$(cd $(dirname "$1"); pwd)
scpt=$(basename "$1")
app=$2

function mk-apple-script-bundle() {
    [ ! -n "$app" ] && app=${scpt%*.scpt}
    osacompile -o "$dir/$app.app" "$dir/$scpt"
    defaults write "$dir/$app.app"/Contents/Info LSUIElement -string 1
}

function mk-shell-script-bundle() {
    [ ! -n "$app" ] && app=${scpt%*.sh}
    contents_dir=$app.app/Contents/MacOS
    mkdir -p $contents_dir
    cp $scpt $contents_dir
    chmod 755 $contents_dir/$scpt

    cat >$app.app/Contents/Info.plist<<EOF
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>CFBundlePackageType</key>
    <string>APPL</string>
    <key>CFBundleExecutable</key>
    <string>$scpt</string>
    <key>LSUIElement</key>
    <string>1</string>
</dict>
</plist>
EOF
}

suffix=${scpt##*.}

case $suffix in
    applescript | scpt)
        mk-apple-script-bundle
        ;;
    sh)
        mk-shell-script-bundle
        ;;
    *)
        echo "unknow suffix '$suffix'"
        exit 2
esac

echo "done!"
exit 0