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91bfebca7d
curl uses Happy Eyeballs to avoid long timeouts on systems with broken IPv6. Signed-off-by: Anders Kaseorg <anders@zulip.com>
27 lines
774 B
Bash
Executable File
27 lines
774 B
Bash
Executable File
#!/usr/bin/env bash
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set -eu
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version=0.7.2
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arch="$(uname -m)"
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tarball="shellcheck-v$version.linux.$arch.tar.xz"
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declare -A sha256=(
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[aarch64]=a12bdfe0f95811ad6c0a091006b919b2834b0619b460cfa596f557edd62e45ab
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[x86_64]=70423609f27b504d6c0c47e340f33652aea975e45f312324f2dbf91c95a3b188
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)
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check_version() {
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out="$(shellcheck --version 2>/dev/null)" && [[ "$out" = *"
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version: $version
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"* ]]
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}
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if ! check_version; then
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tmpdir="$(mktemp -d)"
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trap 'rm -r "$tmpdir"' EXIT
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cd "$tmpdir"
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curl -LO "https://github.com/koalaman/shellcheck/releases/download/v$version/$tarball"
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sha256sum -c <<<"${sha256[$arch]} $tarball"
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tar -xJf "$tarball" --no-same-owner --strip-components=1 -C /usr/local/bin "shellcheck-v$version/shellcheck"
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check_version
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fi
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