Replace uninstall script with chromebrew

Author: uberhacker

README.md

@@ -2,7 +2,7 @@
 Useful bash utility scripts for Chrome/Chromium OS systems.
 
 ## Overview
-[Neverware](https://www.neverware.com/) disables the ability to perform a powerwash in [CloudReady](https://www.neverware.com/#getcloudready) and [Google](https://www.google.com/) disables execute permissions on certain directories to protect [Chromium OS](https://www.chromium.org/chromium-os). These scripts are useful to [powerwash](https://support.google.com/chromebook/answer/183084?hl=en) your Chromebook and reset to the factory settings, uninstall [Chromebrew](https://github.com/skycocker/chromebrew) if that is installed or mount your filesystem to be read/write.
+[Neverware](https://www.neverware.com/) disables the ability to perform a [powerwash](https://support.google.com/chromebook/answer/183084?hl=en) in [CloudReady](https://www.neverware.com/#getcloudready) and [Google](https://www.google.com/) disables execute permissions on certain directories to protect [Chromium OS](https://www.chromium.org/chromium-os). These scripts are useful to [powerwash](https://support.google.com/chromebook/answer/183084?hl=en) your [Chromebook](https://www.google.com/chromebook/) and reset to the factory settings, install, remove or update [Chromebrew](https://github.com/skycocker/chromebrew) or remove rootfs verification and mount your filesystem to be read/write.
 
 ## WARNING
 If used improperly, these scripts can render your system useless. Please proceed with caution and do not execute unless you know what you're doing. Review the `References` section below to understand the impact of the changes. As true of any open source software, I'm not responsible if you brick your system.
@@ -13,15 +13,20 @@ $ git clone https://github.com/uberhacker/chromebrew-scripts
 $ sudo cp chromebrew-scripts/* /usr/local/bin
 ```
 ## Usage
+Install Chromebrew: `$ chromebrew -i | --install`
+
+Remove Chromebrew: `$ chromebrew -r | --remove`
+
+Update Chromebrew: `$ chromebrew -u | --update`
+
 Reset to factory settings: `$ powerwash`
 
 Remove rootfs verification: `$ rootfs`
 
 Mount the filesystem read/write: `$ rw`
 
-Uninstall Chromebrew: `$ uninstall`
-
 ## References
+- https://support.google.com/chromebook/answer/183084?hl=en
 - https://neverware.zendesk.com/hc/en-us/articles/115000765287--Powerwash-via-the-cmd-line
 - https://www.chromium.org/chromium-os/poking-around-your-chrome-os-device#TOC-Making-changes-to-the-filesystem
 - https://sites.google.com/site/cr48ite/getting-technical/remove-rootfs-verification-make-read-write

chromebrew

@@ -0,0 +1,32 @@
+#!/bin/bash
+VALID=
+if test $1; then
+  OPTS="-i --install -r --remove -u --update"
+  for o in $OPTS; do
+    if [ $o == $1 ]; then
+      VALID=1
+      break
+    fi
+  done
+fi
+if [ -z "$VALID" ]; then
+  echo "Usage: chromebrew -i | --install | -r | --remove | -u | --update"
+  exit 1
+fi
+if [[ $1 == "-i" || $1 == "--install" ]]; then
+  command -v crew > /dev/null && { echo "chromebrew is currently installed."; exit 1; }
+  rm -f install.sh
+  curl -Ls git.io/vddgY -o install.sh && yes | bash install.sh
+else
+  command -v crew > /dev/null || { echo "chromebrew is not installed.  To install, execute 'chromebrew -i | --install'."; exit 1; }
+fi
+if [[ $1 == "-r" || $1 == "--remove" ]]; then
+  echo -n "WARNING!  Are you sure you want to uninstall crew? [y/N]: "; read -n1 UNINSTALL
+  if [ "$UNINSTALL" == "y" ]; then
+    sudo dev_install --reinstall -y
+  fi
+fi
+if [[ $1 == "-u" || $1 == "--update" ]]; then
+  crew update
+  yes | crew upgrade
+fi