zulip/tools/setup/install-shfmt

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#!/usr/bin/env bash
set -eu
version=3.3.0
arch="$(uname -m)"
case $arch in
"x86_64")
binary="shfmt_v${version}_linux_amd64"
sha256=9ad8751cea92e0ffbfd6bb72208434f3a86e7319fd10b56def204c24ee1d9fde
;;
"aarch64")
binary="shfmt_v${version}_linux_arm64"
sha256=abf9bbc7027f5f5ba691bc48a55a2fc531c05ea88245ede989d67199687cadb5
;;
esac
check_version() {
out="$(shfmt --version 2>/dev/null)" && [ "$out" = "v$version" ]
}
if ! check_version; then
tmpdir="$(mktemp -d)"
trap 'rm -r "$tmpdir"' EXIT
cd "$tmpdir"
curl -LO "https://github.com/mvdan/sh/releases/download/v$version/$binary"
sha256sum -c <<<"$sha256 $binary"
chmod +x "$binary"
mv "$binary" /usr/local/bin/shfmt
check_version
fi