mirror of
https://github.com/tailscale/tailscale.git
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71029cea2d
This updates all source files to use a new standard header for copyright and license declaration. Notably, copyright no longer includes a date, and we now use the standard SPDX-License-Identifier header. This commit was done almost entirely mechanically with perl, and then some minimal manual fixes. Updates #6865 Signed-off-by: Will Norris <will@tailscale.com>
113 lines
3.1 KiB
Go
113 lines
3.1 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package main
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import (
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"encoding/json"
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"fmt"
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"log"
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"os"
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"path"
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"path/filepath"
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"tailscale.com/util/precompress"
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)
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func runBuild() {
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buildOptions, err := commonSetup(prodMode)
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if err != nil {
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log.Fatalf("Cannot setup: %v", err)
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}
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log.Printf("Linting...\n")
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if err := runYarn("lint"); err != nil {
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log.Fatalf("Linting failed: %v", err)
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}
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if err := cleanDir(*distDir, "placeholder"); err != nil {
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log.Fatalf("Cannot clean %s: %v", *distDir, err)
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}
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buildOptions.Write = true
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buildOptions.MinifyWhitespace = true
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buildOptions.MinifyIdentifiers = true
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buildOptions.MinifySyntax = true
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buildOptions.EntryNames = "[dir]/[name]-[hash]"
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buildOptions.AssetNames = "[name]-[hash]"
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buildOptions.Metafile = true
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result := runEsbuild(*buildOptions)
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// Preserve build metadata so we can extract hashed file names for serving.
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metadataBytes, err := fixEsbuildMetadataPaths(result.Metafile)
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if err != nil {
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log.Fatalf("Cannot fix esbuild metadata paths: %v", err)
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}
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if err := os.WriteFile(path.Join(*distDir, "/esbuild-metadata.json"), metadataBytes, 0666); err != nil {
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log.Fatalf("Cannot write metadata: %v", err)
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}
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if er := precompressDist(*fastCompression); err != nil {
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log.Fatalf("Cannot precompress resources: %v", er)
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}
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}
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// fixEsbuildMetadataPaths re-keys the esbuild metadata file to use paths
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// relative to the dist directory (it normally uses paths relative to the cwd,
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// which are awkward if we're running with a different cwd at serving time).
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func fixEsbuildMetadataPaths(metadataStr string) ([]byte, error) {
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var metadata EsbuildMetadata
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if err := json.Unmarshal([]byte(metadataStr), &metadata); err != nil {
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return nil, fmt.Errorf("Cannot parse metadata: %w", err)
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}
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distAbsPath, err := filepath.Abs(*distDir)
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if err != nil {
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return nil, fmt.Errorf("Cannot get absolute path from %s: %w", *distDir, err)
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}
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for outputPath, output := range metadata.Outputs {
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outputAbsPath, err := filepath.Abs(outputPath)
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if err != nil {
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return nil, fmt.Errorf("Cannot get absolute path from %s: %w", outputPath, err)
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}
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outputRelPath, err := filepath.Rel(distAbsPath, outputAbsPath)
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if err != nil {
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return nil, fmt.Errorf("Cannot get relative path from %s: %w", outputRelPath, err)
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}
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delete(metadata.Outputs, outputPath)
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metadata.Outputs[outputRelPath] = output
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}
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return json.Marshal(metadata)
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}
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func cleanDist() error {
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log.Printf("Cleaning %s...\n", *distDir)
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files, err := os.ReadDir(*distDir)
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if err != nil {
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if os.IsNotExist(err) {
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return os.MkdirAll(*distDir, 0755)
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}
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return err
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}
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for _, file := range files {
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if file.Name() != "placeholder" {
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if err := os.Remove(filepath.Join(*distDir, file.Name())); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func precompressDist(fastCompression bool) error {
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log.Printf("Pre-compressing files in %s/...\n", *distDir)
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return precompress.PrecompressDir(*distDir, precompress.Options{
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FastCompression: fastCompression,
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ProgressFn: func(path string) {
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log.Printf("Pre-compressing %v\n", path)
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},
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})
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}
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