[WIP] Adding "Go: Build", "Go: Test" and "Go: Install" commands

package.json

@@ -74,6 +74,11 @@
 				"command": "go.gopath",
 				"title": "Go: Current GOPATH",
 				"description": "See the currently set GOPATH."
+			},
+			{
+				"command": "go.gobuild",
+				"title": "Go: Build",
+				"description": "Run 'go build' in the current workspace."
 			}
 		],
 		"debuggers": [

src/goCheck.ts

@@ -9,16 +9,10 @@ import cp = require('child_process');
 import path = require('path');
 import os = require('os');
 import fs = require('fs');
-import { getBinPath } from './goPath'
+import { getBinPath, getGoBin } from './goPath'
 
 //TODO: Less hacky?
-var go: string;
-if (process.env.GOROOT) {
-	go = path.join(process.env["GOROOT"], "bin", "go");
-} else if (process.env.PATH) {
-	var pathparts = (<string>process.env.PATH).split((<any>path).delimiter);
-	go = pathparts.map(dir => path.join(dir, 'go' + (os.platform() == "win32" ? ".exe" : ""))).filter(candidate => fs.existsSync(candidate))[0];
-}
+var go = getGoBin();
 if (!go) {
 	vscode.window.showInformationMessage("No 'go' binary could be found on PATH or in GOROOT.  Set location manual in 'go.goroot' setting.");
 }

src/goMain.ts

@@ -5,9 +5,8 @@
 'use strict';
 
 import vscode = require('vscode');
-import fs = require('fs');
-import path = require('path');
-import cp = require('child_process');
+import * as cp from 'child_process';
+import { dirname } from 'path';
 import { GoCompletionItemProvider } from './goSuggest';
 import { GoHoverProvider } from './goExtraInfo';
 import { GoDefinitionProvider } from './goDeclaration';
@@ -19,6 +18,7 @@ import { check, ICheckResult } from './goCheck';
 import { setupGoPathAndOfferToInstallTools } from './goInstallTools'
 import { GO_MODE } from './goMode'
 import { showHideStatus } from './goStatus'
+import { getGoBin } from './goPath'
 
 let diagnosticCollection: vscode.DiagnosticCollection;
 
@@ -43,6 +43,29 @@ export function activate(ctx: vscode.ExtensionContext): void {
 		vscode.window.showInformationMessage("Current GOPATH:" + gopath);
 	}));
 
+	ctx.subscriptions.push(vscode.commands.registerCommand("go.gobuild", () => {
+		var channel = vscode.window.createOutputChannel('Go');
+		channel.show(2);
+		var go = getGoBin();
+		channel.appendLine("\n\nRunning 'go build':\n")
+		var cwd: string;
+		if (vscode.window.activeTextEditor) {
+			cwd = dirname(vscode.window.activeTextEditor.document.fileName);
+		} else if (vscode.workspace.rootPath) {
+			cwd = vscode.workspace.rootPath;
+		}
+		var buildProc = cp.spawn(go, ["build"], { cwd });
+		buildProc.stdout.on('data', data => {
+			channel.append(data.toString())
+		});
+		buildProc.stderr.on('data', data => {
+			channel.append(data.toString())
+		});
+		buildProc.on('close', code => {
+			channel.append("\n'go build' completed with code " + code);
+		});
+	}));
+
     vscode.languages.setLanguageConfiguration(GO_MODE.language, {
 		indentationRules: {
 			// ^(.*\*/)?\s*\}.*$

src/goPath.ts

@@ -6,9 +6,21 @@
 
 import fs = require('fs');
 import path = require('path');
+import os = require('os');
 
 var binPathCache: { [bin: string]: string; } = {}
 
+export function getGoBin() {
+	//TODO: Less hacky?
+	if (process.env.GOROOT) {
+		return path.join(process.env["GOROOT"], "bin", "go");
+	} else if (process.env.PATH) {
+		var pathparts = (<string>process.env.PATH).split((<any>path).delimiter);
+		return pathparts.map(dir => path.join(dir, 'go' + (os.platform() == "win32" ? ".exe" : ""))).filter(candidate => fs.existsSync(candidate))[0];
+	}
+	return undefined;
+}
+
 export function getBinPath(binname: string) {
 	binname = correctBinname(binname);
 	if (binPathCache[binname]) return binPathCache[binname];