2021-06-26 02:26:27 +02:00
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#!/usr/bin/env bash
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set -euo pipefail
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2021-10-16 21:32:01 +02:00
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version=1.22.17
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sha256=267982c61119a055ba2b23d9cf90b02d3d16c202c03cb0c3a53b9633eae37249
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2021-06-26 02:26:27 +02:00
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tarball="yarn-$version.tgz"
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check_version() {
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# Reading the version of Yarn from its package.json is much faster
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# than running yarn --version.
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link="$(command -v yarn)" \
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&& bin="$(readlink -f "$link")" \
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&& current_version="$(jq -r '.version' "${bin%/*/*}/package.json")" \
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&& [ "$current_version" = "$version" ]
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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 "$tmpdir"
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2021-07-13 21:00:50 +02:00
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curl -fLO "https://registry.npmjs.org/yarn/-/$tarball"
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2021-06-26 02:26:27 +02:00
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sha256sum -c <<<"$sha256 $tarball"
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rm -rf /srv/zulip-yarn
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mkdir /srv/zulip-yarn
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tar -xzf "$tarball" --no-same-owner --strip-components=1 -C /srv/zulip-yarn
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ln -nsf /srv/zulip-yarn/bin/yarn /usr/bin/yarn
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check_version
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fi
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