mirror of
https://github.com/joelwmale/webhook-action.git
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164 lines
5.2 KiB
JavaScript
164 lines
5.2 KiB
JavaScript
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/**
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* @fileoverview Utility to get information about the execution environment.
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* @author Kai Cataldo
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Requirements
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//------------------------------------------------------------------------------
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const path = require("path");
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const spawn = require("cross-spawn");
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const { isEmpty } = require("lodash");
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const log = require("../shared/logging");
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const packageJson = require("../../package.json");
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//------------------------------------------------------------------------------
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// Helpers
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//------------------------------------------------------------------------------
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/**
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* Generates and returns execution environment information.
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* @returns {string} A string that contains execution environment information.
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*/
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function environment() {
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const cache = new Map();
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/**
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* Checks if a path is a child of a directory.
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* @param {string} parentPath The parent path to check.
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* @param {string} childPath The path to check.
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* @returns {boolean} Whether or not the given path is a child of a directory.
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*/
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function isChildOfDirectory(parentPath, childPath) {
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return !path.relative(parentPath, childPath).startsWith("..");
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}
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/**
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* Synchronously executes a shell command and formats the result.
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* @param {string} cmd The command to execute.
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* @param {Array} args The arguments to be executed with the command.
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* @returns {string} The version returned by the command.
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*/
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function execCommand(cmd, args) {
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const key = [cmd, ...args].join(" ");
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if (cache.has(key)) {
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return cache.get(key);
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}
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const process = spawn.sync(cmd, args, { encoding: "utf8" });
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if (process.error) {
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throw process.error;
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}
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const result = process.stdout.trim();
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cache.set(key, result);
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return result;
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}
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/**
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* Normalizes a version number.
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* @param {string} versionStr The string to normalize.
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* @returns {string} The normalized version number.
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*/
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function normalizeVersionStr(versionStr) {
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return versionStr.startsWith("v") ? versionStr : `v${versionStr}`;
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}
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/**
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* Gets bin version.
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* @param {string} bin The bin to check.
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* @returns {string} The normalized version returned by the command.
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*/
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function getBinVersion(bin) {
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const binArgs = ["--version"];
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try {
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return normalizeVersionStr(execCommand(bin, binArgs));
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} catch (e) {
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log.error(`Error finding ${bin} version running the command \`${bin} ${binArgs.join(" ")}\``);
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throw e;
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}
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}
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/**
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* Gets installed npm package version.
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* @param {string} pkg The package to check.
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* @param {boolean} global Whether to check globally or not.
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* @returns {string} The normalized version returned by the command.
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*/
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function getNpmPackageVersion(pkg, { global = false } = {}) {
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const npmBinArgs = ["bin", "-g"];
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const npmLsArgs = ["ls", "--depth=0", "--json", "eslint"];
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if (global) {
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npmLsArgs.push("-g");
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}
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try {
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const parsedStdout = JSON.parse(execCommand("npm", npmLsArgs));
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/*
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* Checking globally returns an empty JSON object, while local checks
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* include the name and version of the local project.
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*/
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if (isEmpty(parsedStdout) || !(parsedStdout.dependencies && parsedStdout.dependencies.eslint)) {
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return "Not found";
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}
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const [, processBinPath] = process.argv;
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let npmBinPath;
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try {
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npmBinPath = execCommand("npm", npmBinArgs);
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} catch (e) {
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log.error(`Error finding npm binary path when running command \`npm ${npmBinArgs.join(" ")}\``);
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throw e;
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}
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const isGlobal = isChildOfDirectory(npmBinPath, processBinPath);
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let pkgVersion = parsedStdout.dependencies.eslint.version;
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if ((global && isGlobal) || (!global && !isGlobal)) {
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pkgVersion += " (Currently used)";
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}
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return normalizeVersionStr(pkgVersion);
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} catch (e) {
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log.error(`Error finding ${pkg} version running the command \`npm ${npmLsArgs.join(" ")}\``);
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throw e;
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}
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}
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return [
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"Environment Info:",
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"",
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`Node version: ${getBinVersion("node")}`,
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`npm version: ${getBinVersion("npm")}`,
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`Local ESLint version: ${getNpmPackageVersion("eslint", { global: false })}`,
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`Global ESLint version: ${getNpmPackageVersion("eslint", { global: true })}`
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].join("\n");
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}
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/**
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* Returns version of currently executing ESLint.
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* @returns {string} The version from the currently executing ESLint's package.json.
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*/
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function version() {
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return `v${packageJson.version}`;
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}
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//------------------------------------------------------------------------------
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// Public Interface
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//------------------------------------------------------------------------------
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module.exports = {
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environment,
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version
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};
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