zulip/tools/setup/install-shfmt

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#!/usr/bin/env bash
set -eu
version=3.6.0
arch="$(uname -m)"
case $arch in
"x86_64")
binary="shfmt_v${version}_linux_amd64"
sha256=5741a02a641de7e56b8da170e71a97e58050d66a3cf485fb268d6a5a8bb74afb
;;
"aarch64")
binary="shfmt_v${version}_linux_arm64"
sha256=fb1cf0af3dbe9aac7d98e38e3c7426765208ecfe23cb2da51037bb234776fd70
;;
esac
check_version() {
out="$(shfmt --version)" && [ "$out" = "v$version" ]
}
if ! check_version 2>/dev/null; then
set -x
tmpdir="$(mktemp -d)"
trap 'rm -r "$tmpdir"' EXIT
cd "$tmpdir"
curl -fLO --retry 3 "https://github.com/mvdan/sh/releases/download/v$version/$binary"
sha256sum -c <<<"$sha256 $binary"
chmod +x "$binary"
mv "$binary" /usr/local/bin/shfmt
check_version
fi