44 lines
1.2 KiB
Bash
Executable File
44 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Run a command with our local yarn install, rather than any globally installed
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# instance.
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set -euo pipefail
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if [[ "${CI:-}" == "true" ]]; then
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set -x
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fi
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(
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if [[ "${CI:-}" == "true" ]]; then
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set -x
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fi
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repo_root="${BASH_SOURCE%/*}/../"
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cd "$repo_root"
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./tool/node --version >/dev/null # Ensure node is unpacked and ready
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cachedir="$HOME/.cache/tailscale-yarn"
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tarball="${cachedir}.tar.gz"
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read -r want_rev < "./tool/yarn.rev"
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got_rev=""
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if [[ -x "${cachedir}/bin/yarn" ]]; then
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got_rev=$(PATH="$HOME/.cache/tailscale-node/bin:$PATH" "${cachedir}/bin/yarn" --version)
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fi
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if [[ "$want_rev" != "$got_rev" ]]; then
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rm -rf "$cachedir" "$tarball"
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mkdir -p "$cachedir"
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curl -f -L -o "$tarball" "https://github.com/yarnpkg/yarn/releases/download/v${want_rev}/yarn-v${want_rev}.tar.gz"
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(cd "$cachedir" && tar --strip-components=1 -xf "$tarball")
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rm -f "$tarball"
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fi
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)
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# Deliberately not using cachedir here, to keep the environment
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# completely pristine for execution of yarn.
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export PATH="$HOME/.cache/tailscale-node/bin:$HOME/.cache/tailscale-yarn/bin:$PATH"
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exec "$HOME/.cache/tailscale-yarn/bin/yarn" "$@"
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