feat(systeminfo): include Git hash and branch in system information log

Author: KristjanESPERANTO

js/systeminformation.js

@@ -1,9 +1,19 @@
 const os = require("node:os");
+const { execFileSync } = require("node:child_process");
 const si = require("systeminformation");
 // needed with relative path because logSystemInformation is called in an own process in app.js:
 const mmVersion = require("../package").version;
 const Log = require("./logger");
 
+let mmGitHash = "";
+let mmGitBranch = "";
+try {
+	mmGitHash = execFileSync("git", ["rev-parse", "--short", "HEAD"], { encoding: "utf8" }).trim();
+	mmGitBranch = execFileSync("git", ["rev-parse", "--abbrev-ref", "HEAD"], { encoding: "utf8" }).trim();
+} catch {
+	// not a git repo or git not available
+}
+
 const logSystemInformation = async () => {
 	try {
 		const system = await si.system();
@@ -17,7 +27,8 @@ const logSystemInformation = async () => {
 
 		let systemDataString = [
 			"\n####  System Information  ####",
-			`- SYSTEM:   manufacturer: ${system.manufacturer}; model: ${system.model}; virtual: ${system.virtual}; MM: v${mmVersion}`,
+			`- MM:       version: v${mmVersion}${mmGitHash ? `; git: ${mmGitHash}` : ""}${mmGitBranch ? `; branch: ${mmGitBranch}` : ""}`,
+			`- SYSTEM:   manufacturer: ${system.manufacturer}; model: ${system.model}; virtual: ${system.virtual}`,
 			`- OS:       platform: ${osInfo.platform}; distro: ${osInfo.distro}; release: ${osInfo.release}; arch: ${osInfo.arch}; kernel: ${versions.kernel}`,
 			`- VERSIONS: electron: ${process.env.ELECTRON_VERSION}; used node: ${process.env.USED_NODE_VERSION}; installed node: ${installedNodeVersion}; npm: ${versions.npm}; pm2: ${versions.pm2}`,
 			`- ENV:      XDG_SESSION_TYPE: ${process.env.XDG_SESSION_TYPE}; MM_CONFIG_FILE: ${process.env.MM_CONFIG_FILE}`,