mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-25 19:15:34 +00:00
7e4883b261
Technically not the same as the wasm cross-compilation, but it's closely connected to it. Also includes some fixes to tool/yasm to make it actually work on non-ARM platforms. Fixes #5134 Signed-off-by: Mihai Parparita <mihai@tailscale.com>
80 lines
2.1 KiB
Bash
Executable File
80 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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#
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# This script acts like the "yarn" command, but uses Tailscale's
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# currently-desired version, downloading it (and node) first if necessary.
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set -eu
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NODE_DIR="$HOME/.cache/tailscale-node"
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read -r YARN_REV < "$(dirname "$0")/yarn.rev"
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YARN_DIR="$HOME/.cache/tailscale-yarn"
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# This works for linux and darwin, which is sufficient
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# (we do not build for other targets).
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OS=$(uname -s | tr A-Z a-z)
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ARCH="$(uname -m)"
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if [ "$ARCH" = "aarch64" ]; then
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# Node uses the name "arm64".
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ARCH="arm64"
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elif [ "$ARCH" = "x86_64" ]; then
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# Node uses the name "x64".
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ARCH="x64"
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fi
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install_node() {
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read -r NODE_REV < "$(dirname "$0")/node.rev"
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NODE_URL="https://nodejs.org/dist/v${NODE_REV}/node-v${NODE_REV}-${OS}-${ARCH}.tar.gz"
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install_tool "node" $NODE_REV $NODE_DIR $NODE_URL
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}
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install_yarn() {
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YARN_URL="https://github.com/yarnpkg/yarn/releases/download/v$YARN_REV/yarn-v$YARN_REV.tar.gz"
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install_tool "yarn" $YARN_REV $YARN_DIR $YARN_URL
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}
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install_tool() {
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TOOL=$1
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REV=$2
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TOOLCHAIN=$3
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URL=$4
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archive="$TOOLCHAIN-$REV.tar.gz"
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mark="$TOOLCHAIN.extracted"
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extracted=
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[ ! -e "$mark" ] || read -r extracted junk <$mark
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if [ "$extracted" = "$REV" ] && [ -e "$TOOLCHAIN/bin/$TOOL" ]; then
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# Already extracted, continue silently
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return 0
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fi
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rm -f "$archive.new" "$TOOLCHAIN.extracted"
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if [ ! -e "$archive" ]; then
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log "Need to download $TOOL '$REV' from $URL."
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curl -f -L -o "$archive.new" $URL
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rm -f "$archive"
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mv "$archive.new" "$archive"
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fi
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log "Extracting $TOOL '$REV' into '$TOOLCHAIN'." >&2
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rm -rf "$TOOLCHAIN"
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mkdir -p "$TOOLCHAIN"
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(cd "$TOOLCHAIN" && tar --strip-components=1 -xf "$archive")
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echo "$REV" >$mark
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}
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log() {
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echo "$@" >&2
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}
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if [ "${YARN_REV}" = "SKIP" ] ||
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[ "${OS}" != "darwin" -a "${OS}" != "linux" ] ||
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[ "${ARCH}" != "x64" -a "${ARCH}" != "arm64" ]; then
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log "Using existing yarn (`which yarn`)."
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exec yarn "$@"
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fi
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install_node
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install_yarn
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exec /usr/bin/env PATH="$NODE_DIR/bin:$PATH" "$YARN_DIR/bin/yarn" "$@"
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