Refactor package dependencies generators (#157845)

build/linux/debian/calculate-deps.ts

@@ -0,0 +1,75 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { spawnSync } from 'child_process';
+import { constants, statSync } from 'fs';
+import { tmpdir } from 'os';
+import path = require('path');
+import * as manifests from '../../../cgmanifest.json';
+import { additionalDeps } from './dep-lists';
+import { DebianArchString } from './types';
+
+export function generatePackageDeps(files: string[], arch: DebianArchString, sysroot: string): Set<string>[] {
+	const dependencies: Set<string>[] = files.map(file => calculatePackageDeps(file, arch, sysroot));
+	const additionalDepsSet = new Set(additionalDeps);
+	dependencies.push(additionalDepsSet);
+	return dependencies;
+}
+
+// Based on https://source.chromium.org/chromium/chromium/src/+/main:chrome/installer/linux/debian/calculate_package_deps.py.
+function calculatePackageDeps(binaryPath: string, arch: DebianArchString, sysroot: string): Set<string> {
+	try {
+		if (!(statSync(binaryPath).mode & constants.S_IXUSR)) {
+			throw new Error(`Binary ${binaryPath} needs to have an executable bit set.`);
+		}
+	} catch (e) {
+		// The package might not exist. Don't re-throw the error here.
+		console.error('Tried to stat ' + binaryPath + ' but failed.');
+	}
+
+	// Get the Chromium dpkg-shlibdeps file.
+	const chromiumManifest = manifests.registrations.filter(registration => {
+		return registration.component.type === 'git' && registration.component.git!.name === 'chromium';
+	});
+	const dpkgShlibdepsUrl = `https://raw.githubusercontent.com/chromium/chromium/${chromiumManifest[0].version}/third_party/dpkg-shlibdeps/dpkg-shlibdeps.pl`;
+	const dpkgShlibdepsScriptLocation = `${tmpdir()}/dpkg-shlibdeps.pl`;
+	const result = spawnSync('curl', [dpkgShlibdepsUrl, '-o', dpkgShlibdepsScriptLocation]);
+	if (result.status !== 0) {
+		throw new Error('Cannot retrieve dpkg-shlibdeps. Stderr:\n' + result.stderr);
+	}
+	const cmd = [dpkgShlibdepsScriptLocation, '--ignore-weak-undefined'];
+	switch (arch) {
+		case 'amd64':
+			cmd.push(`-l${sysroot}/usr/lib/x86_64-linux-gnu`,
+				`-l${sysroot}/lib/x86_64-linux-gnu`);
+			break;
+		case 'armhf':
+			cmd.push(`-l${sysroot}/usr/lib/arm-linux-gnueabihf`,
+				`-l${sysroot}/lib/arm-linux-gnueabihf`);
+			break;
+		case 'arm64':
+			cmd.push(`-l${sysroot}/usr/lib/aarch64-linux-gnu`,
+				`-l${sysroot}/lib/aarch64-linux-gnu`);
+			break;
+	}
+	cmd.push(`-l${sysroot}/usr/lib`);
+	cmd.push('-O', '-e', path.resolve(binaryPath));
+
+	const dpkgShlibdepsResult = spawnSync('perl', cmd, { cwd: sysroot });
+	if (dpkgShlibdepsResult.status !== 0) {
+		throw new Error(`dpkg-shlibdeps failed with exit code ${dpkgShlibdepsResult.status}. stderr:\n${dpkgShlibdepsResult.stderr} `);
+	}
+
+	const shlibsDependsPrefix = 'shlibs:Depends=';
+	const requiresList = dpkgShlibdepsResult.stdout.toString('utf-8').trimEnd().split('\n');
+	let depsStr = '';
+	for (const line of requiresList) {
+		if (line.startsWith(shlibsDependsPrefix)) {
+			depsStr = line.substring(shlibsDependsPrefix.length);
+		}
+	}
+	const requires = new Set(depsStr.split(', ').sort());
+	return requires;
+}