From 51ab19f0931a6dd626e3ab6412b5acbc66606898 Mon Sep 17 00:00:00 2001
From: Trevor Brindle <tabrindle@gmail.com>
Date: Fri, 23 Mar 2018 13:42:50 -0400
Subject: [PATCH] feat: add envinfo as `webpack-cli info` command

---
 .github/ISSUE_TEMPLATE.md |  2 +-
 bin/webpack.js            |  3 ++-
 lib/commands/info.js      | 19 +++++++++++++++++++
 lib/index.js              |  3 +++
 package-lock.json         |  5 +++++
 package.json              |  1 +
 6 files changed, 31 insertions(+), 2 deletions(-)
 create mode 100644 lib/commands/info.js

diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
index d2bfca66699..6956609da92 100644
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@@ -12,4 +12,4 @@
 
 **If this is a feature request, what is motivation or use case for changing the behavior?**
 
-**Please mention other relevant information such as the browser version, Node.js version, Operating System and programming language.**
+**Please paste the results of `webpack-cli info` here, and mention other relevant information such as programming language.**
diff --git a/bin/webpack.js b/bin/webpack.js
index 7c6262e8574..1f66df71a80 100755
--- a/bin/webpack.js
+++ b/bin/webpack.js
@@ -30,7 +30,8 @@
 		*/
 		"serve",
 		"generate-loader",
-		"generate-plugin"
+		"generate-plugin",
+		"info"
 	];
 
 	const NON_COMPILATION_CMD = process.argv.find(arg => {
diff --git a/lib/commands/info.js b/lib/commands/info.js
new file mode 100644
index 00000000000..a7c411f743f
--- /dev/null
+++ b/lib/commands/info.js
@@ -0,0 +1,19 @@
+"use strict";
+
+const envinfo = require("envinfo");
+
+/**
+ * Prints debugging information for webpack issue reporting
+ */
+
+module.exports = function info() {
+	console.log(
+		envinfo.run({
+			System: ["OS", "CPU"],
+			Binaries: ["Node", "Yarn", "npm"],
+			Browsers: ["Chrome", "Firefox", "Safari"],
+			npmPackages: "*webpack*",
+			npmGlobalPackages: ["webpack", "webpack-cli"],
+		})
+	);
+};
diff --git a/lib/index.js b/lib/index.js
index 51726c7079c..93ebbe5c502 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -53,6 +53,9 @@ module.exports = function initialize(command, args) {
 		case "generate-plugin": {
 			return require("./generate-plugin/index.js")();
 		}
+		case "info": {
+			return require("./commands/info.js")();
+		}
 		default: {
 			throw new Error(`Unknown command ${command} found`);
 		}
diff --git a/package-lock.json b/package-lock.json
index f87ee6451d3..49be9725551 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4356,6 +4356,11 @@
         "tapable": "1.0.0"
       }
     },
+    "envinfo": {
+      "version": "4.4.2",
+      "resolved": "https://registry.npmjs.org/envinfo/-/envinfo-4.4.2.tgz",
+      "integrity": "sha512-5rfRs+m+6pwoKRCFqpsA5+qsLngFms1aWPrxfKbrObCzQaPc3M3yPloZx+BL9UE3dK58cxw36XVQbFRSCCfGSQ=="
+    },
     "errno": {
       "version": "0.1.7",
       "resolved": "https://registry.npmjs.org/errno/-/errno-0.1.7.tgz",
diff --git a/package.json b/package.json
index 800be894d8b..9699ba08585 100644
--- a/package.json
+++ b/package.json
@@ -84,6 +84,7 @@
     "cross-spawn": "^6.0.5",
     "diff": "^3.5.0",
     "enhanced-resolve": "^4.0.0",
+    "envinfo": "^4.4.2",
     "glob-all": "^3.1.0",
     "global-modules": "^1.0.0",
     "got": "^8.2.0",