Install ripgrep on Ubuntu

install-ripgrep-on-ubuntu.sh

#!/usr/bin/env bash

# Install ripgrep on Ubuntu
# Requires wget(1), curl(1), jq(1)
#
# I'm not responsible for any damages. Tested on WSL Ubuntu 18.04.4 LTS.
# List of changes from upstream:
# - use /usr/bin/env bash
# - set -e for zero error tolerance, and set -x for debugging
# - handle newer ripgrep release directory structure
# - set correct file ownerships
# - install zsh completion, if necessary

set -xe

[[ $UID == 0 ]] || { echo "run as sudo to install"; exit 1; }

REPO="https://github.com/BurntSushi/ripgrep/releases/download/"
RG_LATEST=$(curl -sSL "https://api.github.com/repos/BurntSushi/ripgrep/releases/latest" | jq --raw-output .tag_name)
RELEASE="${RG_LATEST}/ripgrep-${RG_LATEST}-x86_64-unknown-linux-musl.tar.gz"

TMPDIR=$(mktemp -d)
cd $TMPDIR
wget -O - ${REPO}${RELEASE} | tar zxf - --strip-component=1
mv rg /usr/local/bin/
mv doc/rg.1 /usr/local/share/man/man1/
mv complete/rg.bash /usr/share/bash-completion/completions/rg
chown root:root \
  /usr/local/bin/rg \
  /usr/local/share/man/man1/rg.1 \
  /usr/share/bash-completion/completions/rg

# optional: install zsh
ZSHDIR="/usr/local/share/zsh/site-functions"
if [ -d "$ZSHDIR" ]; then
	ZSHFILE="$ZSHDIR/_rg"
	mv complete/_rg "$ZSHFILE"
	# required for compaudit
	chmod 755 "$ZSHFILE"
	chown root:staff "$ZSHFILE"
fi
mandb

# to uninstall:
# sudo rm /usr/{local/{bin/rg,share/{man/man1/rg.1,zsh/site-functions/_rg}},share/bash-completion/completions/rg}