Update script for Rust nightly and ripgrep

Check out the excellent ripgrep

Overview

• Calls rustup
• Pulls changes from ripgrep upstream
• Builds ripgrep (if required) with SIMD and AVX extensions
• Runs built-in tests
• Strips built executable

Usage

$ rip-up -h
Update toolchain and build ripgrep from source

Usage:
	rip-up
		[-h]           Print this help message
		[-v 0|1|2|3]   Control output verbosity
		[-f]           Force ripgrep rebuild
		[-d git_dir]   Specify path to Git local directory
		[-u upstream]  Specify Git upstream, e.g. 'origin/master'
		[-p]           Do not strip executable post build step

Installation

• Clone with git clone --recurse-submodules
• Link top-level rip-up script into a directory in PATH

Dependencies

• bash (version 4.4+)
• bash_utils.sh
• Rust nightly CLI
  • rustup
  • cargo
• git
• grep
• sed
• unbuffer
• env
• basename
• md5sum
• tee
• chmod
• column
• strip