zulip/tools/setup/install-sgrep

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#!/usr/bin/env bash
set -e
version=0.4.9b5
tarball=sgrep-$version-ubuntu-16.04.tgz
sha256=9e57323fd0eb9133b7ff301a6be8361c073c3bfe6e6959ca1b622e5abc176e03
tarball_url=https://github.com/returntocorp/sgrep/releases/download/v$version/$tarball
if ! out="$(sgrep-lint --version 2>/dev/null)" || [[ "$out" != "$version" ]]
then
tmpdir="$(mktemp -d)"
trap 'rm -r "$tmpdir"' EXIT
cd "$tmpdir"
wget -nv "$tarball_url"
sha256sum -c <<< "$sha256 $tarball"
tar -xzf "$tarball" -C /usr/local/lib/
ln -sf /usr/local/lib/sgrep-lint-files/sgrep-lint /usr/local/bin/sgrep-lint
ln -sf /usr/local/lib/sgrep-lint-files/sgrep /usr/local/bin/sgrep
fi