61 lines
		
	
	
	
		
			2 KiB
			
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
	
		
			2 KiB
			
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
const crypto = require('node:crypto');
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const fs = require('node:fs');
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const path = require('node:path');
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// Fallback to blow away old cache keys
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const FALLBACK_HASH_VERSION = 3;
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// Per platform hash versions to bust the cache on different platforms
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const HASH_VERSIONS = {
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  darwin: 3,
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  win32: 4,
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  linux: 3
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};
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// Base files to hash
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const filesToHash = [
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  path.resolve(__dirname, '../DEPS'),
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  path.resolve(__dirname, '../yarn.lock'),
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  path.resolve(__dirname, '../script/sysroots.json')
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];
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const addAllFiles = (dir) => {
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  for (const child of fs.readdirSync(dir).sort()) {
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    const childPath = path.resolve(dir, child);
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    if (fs.statSync(childPath).isDirectory()) {
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      addAllFiles(childPath);
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    } else {
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      filesToHash.push(childPath);
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    }
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  }
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};
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// Add all patch files to the hash
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addAllFiles(path.resolve(__dirname, '../patches'));
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// Create Hash
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const hasher = crypto.createHash('SHA256');
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const addToHashAndLog = (s) => {
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  return hasher.update(s);
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};
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addToHashAndLog(`HASH_VERSION:${HASH_VERSIONS[process.platform] || FALLBACK_HASH_VERSION}`);
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for (const file of filesToHash) {
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  hasher.update(fs.readFileSync(file));
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}
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// Add the GCLIENT_EXTRA_ARGS variable to the hash
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const extraArgs = process.env.GCLIENT_EXTRA_ARGS || 'no_extra_args';
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addToHashAndLog(extraArgs);
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const effectivePlatform = extraArgs.includes('host_os=mac') ? 'darwin' : process.platform;
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// Write the hash to disk
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fs.writeFileSync(path.resolve(__dirname, '../.depshash'), hasher.digest('hex'));
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let targetContent = `${effectivePlatform}\n${process.env.TARGET_ARCH}\n${process.env.GN_CONFIG}\n${undefined}\n${process.env.GN_EXTRA_ARGS}\n${process.env.GN_BUILDFLAG_ARGS}`;
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const argsDir = path.resolve(__dirname, '../build/args');
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for (const argFile of fs.readdirSync(argsDir).sort()) {
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  targetContent += `\n${argFile}--${crypto.createHash('SHA1').update(fs.readFileSync(path.resolve(argsDir, argFile))).digest('hex')}`;
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}
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fs.writeFileSync(path.resolve(__dirname, '../.depshash-target'), targetContent);
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