#!/bin/sh

set -ex

REPO="https://github.com/rust-analyzer/rust-analyzer"
VERSION="2022-04-04"
DLURL="$REPO/releases/download/$VERSION/rust-analyzer-x86_64-unknown-linux-gnu.gz"
GZFILE="$HOME/.cache/rust-analyzer-$VERSION-x86_64-unknown-linux-gnu.gz"
BINDIR="$HOME/.local/bin"

test -f "$GZFILE" ||
    wget -O "$GZFILE" "$DLURL"

rm -f "$BINDIR/rust-analyzer"
gunzip "$GZFILE" --stdout > "$BINDIR/rust-analyzer"
chmod u+x "$BINDIR/rust-analyzer"