v3.2.0: Checks if installation directory exists before running the script

Author: simmac

README.md

@@ -1,9 +1,7 @@
 Quick ADB / Fastboot installer for OS X and Linux (minimal_adb_fastboot)
 ====================
 
-Quick info: If you are handling with Android M previews, please check out the [preview](https://github.com/simmac/minimal_adb_fastboot/tree/preview) branch!
-
-Last updated: 5.10.2015 | adb version: 1.0.32 Revision eac51f2bb6a8-android
+Last updated: 1.3.2016 | adb version: 1.0.32 Revision eac51f2bb6a8-android
 ------------------------
 Installs the adb and fastboot binaries for OS X and Linux.
 
@@ -31,7 +29,8 @@ Changelog:
 - 1.2.1 | 13.03.2015 Improved version check by adding a hash-check to compare installed and delivered bin. 
 - 2.0.0 | 14.03.2015 Added Linux support! (experimental, feedback very welcome!)
 - 3.0.0 | 31.05.2015 Improved code quality and readability a lot by rewriting the whole script and using functions. Added the arguments *uninstall*, *adb* and *fastboot*. **Changed the installation path on OS X to /usr/local/bin !**
-- **3.1.0 | 05.10.2015** Updated to newest v23 binaries. Required for Android Marshmallow on flounder.
+- 3.1.0 | 05.10.2015 Updated to newest v23 binaries. Required for Android Marshmallow on flounder.
+- **3.2.0** | 01.03.2016 Checks if installation directory exists before running the script
 
 Support Thread:
 ----------------

install.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 clear
-echo -e "\n\nQuick adb/fastboot installer 3.1.0\n"
+echo -e "\n\nQuick adb/fastboot installer 3.2.0\n"
 
 #Gets location of the script
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
@@ -21,6 +21,14 @@ function oscheck () {
 		BINPATH="$DIR/linux"
 		MD5="md5sum"
 	fi
+	
+	#check whether the installation directory exists and creates it if needed.
+	if [ ! -d "$INSTALLPATH" ]; then
+		echo -e "The target directory doesn't exist. This script will create the directory for you."
+		echo -e "You may be asked for your password now. \n"
+		sudo mkdir $INSTALLPATH
+		echo -e "\nDirectory created. The installation script will begin now.\n"
+	fi
 }