*: introduce tool/go following our common pattern
- This tool/go does not currently invoke gocross, as there's more work to do in gocross to be fully compatible with gomobile. - Use GOBIN to target the output destinations for gomobile and gobind. - Remove the old toolchain targets from the Makefile. - Use ~/.cache/tailscale-go, like the OSS repo does. - Introduce go.toolchain.rev as we have in the OSS repo, and update it in the bumposs task. Updates tailscale/corp#18202 Signed-off-by: James Tucker <james@tailscale.com>raggi/builds3
James Tucker
8 months ago
parent
2a14964878
commit
526b614ef4
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f86d7c8ef64a0f8a2516fc23652eee28abc8d8e0
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#!/bin/bash
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# Copyright (c) Tailscale Inc & AUTHORS
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# SPDX-License-Identifier: BSD-3-Clause
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set -eo pipefail
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if [[ "${CI:-}" == "true" && "${NOBASHDEBUG:-}" != "true" ]]; then
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set -x
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fi
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# Allow TOOLCHAINDIR to be overridden, as a special case for the fdroid build
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if [[ -z "${TOOLCHAINDIR}" ]]; then
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toolchain="$HOME/.cache/tailscale-go"
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if [[ -d "$toolchain" ]]; then
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# A toolchain exists, but is it recent enough to compile gocross? If not,
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# wipe it out so that the next if block fetches a usable one.
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want_go_minor=$(grep -E '^go ' "go.mod" | cut -f2 -d'.')
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have_go_minor=""
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if [[ -f "$toolchain/VERSION" ]]; then
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have_go_minor=$(head -1 "$toolchain/VERSION" | cut -f2 -d'.')
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fi
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# Shortly before stable releases, we run release candidate
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# toolchains, which have a non-numeric suffix on the version
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# number. Remove the rc qualifier, we just care about the minor
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# version.
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have_go_minor="${have_go_minor%rc*}"
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if [[ -z "$have_go_minor" || "$have_go_minor" -lt "$want_go_minor" ]]; then
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rm -rf "$toolchain" "$toolchain.extracted"
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fi
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fi
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if [[ ! -d "$toolchain" ]]; then
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mkdir -p "$HOME/.cache"
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read -r REV <go.toolchain.rev
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case "$REV" in
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/*)
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toolchain="$REV"
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;;
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*)
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# This works for linux and darwin, which is sufficient
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# (we do not build tailscale-go for other targets).
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HOST_OS=$(uname -s | tr A-Z a-z)
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HOST_ARCH="$(uname -m)"
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if [[ "$HOST_ARCH" == "aarch64" ]]; then
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# Go uses the name "arm64".
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HOST_ARCH="arm64"
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elif [[ "$HOST_ARCH" == "x86_64" ]]; then
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# Go uses the name "amd64".
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HOST_ARCH="amd64"
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fi
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rm -rf "$toolchain" "$toolchain.extracted"
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curl -f -L -o "$toolchain.tar.gz" "https://github.com/tailscale/go/releases/download/build-${REV}/${HOST_OS}-${HOST_ARCH}.tar.gz"
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mkdir -p "$toolchain"
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(cd "$toolchain" && tar --strip-components=1 -xf "$toolchain.tar.gz")
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echo "$REV" >"$toolchain.extracted"
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rm -f "$toolchain.tar.gz"
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;;
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esac
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fi
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else
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# fdroid supplies it's own toolchain, rather than using ours.
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toolchain="${TOOLCHAINDIR}"
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fi
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exec "${toolchain}/bin/go" "$@"
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