zulip/tools/setup/install-shellcheck

18 lines
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Executable File

#!/usr/bin/env bash
set -eu
version=0.7.0
tarball="shellcheck-v$version.linux.x86_64.tar.xz"
sha256=39c501aaca6aae3f3c7fc125b3c3af779ddbe4e67e4ebdc44c2ae5cba76c847f
if ! out="$(shellcheck --version 2>/dev/null)" || [[ "$out" != *"
version: $version
"* ]]; then
tmpdir="$(mktemp -d)"
trap 'rm -r "$tmpdir"' EXIT
cd "$tmpdir"
wget -nv "https://storage.googleapis.com/shellcheck/$tarball"
sha256sum -c <<< "$sha256 $tarball"
tar -xJf "$tarball" --no-same-owner --strip-components=1 -C /usr/local/bin "shellcheck-v$version/shellcheck"
fi