Allows you to easily create Mac apps from shell scripts

applify

#!/bin/bash

INSTALLPATH="/usr/local/bin"

if [ "$1" = "install" ]; then
  chmod +x $0
  cp $0 $INSTALLPATH/$(basename "$0" ".sh") 
  echo "Installed into $INSTALLPATH"
  exit 0
elif [ "$1" = "createapp" -o "$1" = "installapp" ]; then
  EXT="${2##*.}"
  APPNAME=${3:-$(basename "$2" ".$EXT")}
  APPNAMEAPP="$APPNAME.app"
  CONTENTS_DIR="$APPNAMEAPP/Contents"
  MACOS_DIR="$CONTENTS_DIR/MacOS"

  if [ "$1" = "createapp" ]; then
    if [ -a "$APPNAMEAPP" ]; then
      echo "$PWD/$APPNAMEAPP already exists :("
      exit 1
    fi

    mkdir -p "$MACOS_DIR"

    cat > "$CONTENTS_DIR/Info.plist" <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleName</key> <string>$APPNAME</string>
<key>CFBundleExecutable</key> <string>$APPNAME</string>
</dict>
</plist>
EOF

    if [ ! "$EXT" = "sh" ]; then
      FILENAME="$MACOS_DIR/$APPNAME.file"
      if [[ "$2" = /* ]]; then
        ln -s "$2" "$FILENAME" 
      else
        if [ ! -f "$2" ]; then
          ln -s $(which $2) "$FILENAME" 
        else
          cp "$2" "$FILENAME" 
          chmod +x "$FILENAME"
        fi
      fi

      cat > "$MACOS_DIR/$APPNAME" <<EOF
#!/usr/bin/env bash
cd $(dirname $0)
./$APPNAME.file $4 &
EOF
    else
      cp "$2" "$MACOS_DIR/$APPNAME"
    fi
    
    chmod +x "$MACOS_DIR/$APPNAME"

    echo "created application file $APPNAMEAPP"
    exit 0
  elif [ "$1" = "installapp" ]; then
    mv "$APPNAMEAPP" "/Applications/$APPNAMEAPP"

    echo "installed into /Applications/$APPNAMEAPP"
    exit 0
  fi
elif [ "$1" = "h" -o "$1" = "help" -o -z "$1" ]; then
  echo "$0 COMMAND ARG1 .." 
  echo "  install - copy self to $INSTALLPATH"
  echo "  createapp SCRIPT NAME - create new application file"
  echo "  installapp SCRIPT NAME - install application to /Applications"
fi