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script/bootstrap kept any yarn found on PATH, so YARN_VERSION applied only where none was installed. It now keeps the yarn on PATH only when yarn --version is exactly YARN_VERSION, and otherwise prepares that version through corepack. The node on PATH is used only when it has the pinned major version and is at least NODE_MIN_VERSION, as REPO_POLICIES.md asks. After installing either, bootstrap looks the tool up through PATH again, stops naming the path if it is not the pinned one, and prints the version it uses, as it does for Go. The other host scripts that run yarn run it through the new script/yarn, which uses the same node test with ~/.local/bin first on PATH, and otherwise the pinned node in nvm. Model: opus-5-5
57 lines
2.0 KiB
Bash
Executable File
57 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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# script/yarn: run yarn with the given arguments under the node
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# script/bootstrap would use. Every other script that runs yarn on the
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# host runs it through this one.
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set -eu
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ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"
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# Must match the pins in script/bootstrap.
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NODE_VERSION="22.17.0"
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NODE_MIN_VERSION="22.13.0"
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# node_ok: the node on PATH has the major version of NODE_VERSION and is
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# at least NODE_MIN_VERSION. Only the major is compared with the pin:
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# the Dockerfile's node stages start from a node 22 alpine image whose
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# exact version is not the pin, and nvm cannot install a prebuilt node
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# on alpine. node itself compares the versions: major, then minor, then
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# patch. A node that fails does not pass. script/bootstrap and
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# script/yarn carry this function unchanged.
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node_ok() {
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if ! command -v node >/dev/null 2>&1; then return 1; fi
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node -e '
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const have = process.versions.node.split(".").map(Number);
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const want = process.argv[1].split(".").map(Number);
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const pinned = process.argv[2].split(".").map(Number);
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if (have[0] !== pinned[0]) process.exit(1);
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for (let i = 0; i < 3; i++) {
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if (have[i] !== want[i]) process.exit(have[i] > want[i] ? 0 : 1);
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}
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' "$NODE_MIN_VERSION" "$NODE_VERSION"
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}
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# Run the yarn script/bootstrap installed: the yarn on PATH when the
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# node on PATH passes node_ok, and otherwise yarn under the pinned node
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# in nvm. nvm is a bash script, hence the subshell.
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run_yarn() {
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if node_ok && command -v yarn >/dev/null 2>&1; then
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exec yarn "$@"
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fi
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if node_ok || [ ! -s "$HOME/.nvm/nvm.sh" ]; then
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echo "script/yarn: no yarn; run script/bootstrap first" >&2
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exit 1
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fi
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exec bash -c '. "$HOME/.nvm/nvm.sh" && nvm use "$1" >/dev/null &&
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shift && exec yarn "$@"' bash "$NODE_VERSION" "$@"
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}
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main() {
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cd "$ROOT"
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# script/bootstrap links the node and yarn it installs into
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# ~/.local/bin, which the shell that called it may not have on PATH.
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PATH="$HOME/.local/bin:$PATH"
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run_yarn "$@"
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}
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main "$@"
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