Fix cargo command not found after Rust installation

dist/cli.js

@@ -6,6 +6,7 @@ import path from 'path';
 import fsExtra from 'fs-extra';
 import { fileURLToPath } from 'url';
 import prompts from 'prompts';
+import os from 'os';
 import { execa, execaSync } from 'execa';
 import crypto from 'crypto';
 import ora from 'ora';
@@ -284,6 +285,52 @@ async function isChinaIP(ip, domain) {
     }
 }
 
+function normalizePathForComparison(targetPath) {
+    const normalized = path.normalize(targetPath);
+    return IS_WIN ? normalized.toLowerCase() : normalized;
+}
+function getCargoHomeCandidates() {
+    const candidates = new Set();
+    if (process.env.CARGO_HOME) {
+        candidates.add(process.env.CARGO_HOME);
+    }
+    const homeDir = os.homedir();
+    if (homeDir) {
+        candidates.add(path.join(homeDir, '.cargo'));
+    }
+    if (IS_WIN && process.env.USERPROFILE) {
+        candidates.add(path.join(process.env.USERPROFILE, '.cargo'));
+    }
+    return Array.from(candidates).filter(Boolean);
+}
+function ensureCargoBinOnPath() {
+    const currentPath = process.env.PATH || '';
+    const segments = currentPath.split(path.delimiter).filter(Boolean);
+    const normalizedSegments = new Set(segments.map((segment) => normalizePathForComparison(segment)));
+    const additions = [];
+    let cargoHomeSet = Boolean(process.env.CARGO_HOME);
+    for (const cargoHome of getCargoHomeCandidates()) {
+        const binDir = path.join(cargoHome, 'bin');
+        if (fsExtra.pathExistsSync(binDir) &&
+            !normalizedSegments.has(normalizePathForComparison(binDir))) {
+            additions.push(binDir);
+            normalizedSegments.add(normalizePathForComparison(binDir));
+        }
+        if (!cargoHomeSet && fsExtra.pathExistsSync(cargoHome)) {
+            process.env.CARGO_HOME = cargoHome;
+            cargoHomeSet = true;
+        }
+    }
+    if (additions.length) {
+        const prefix = additions.join(path.delimiter);
+        process.env.PATH = segments.length
+            ? `${prefix}${path.delimiter}${segments.join(path.delimiter)}`
+            : prefix;
+    }
+}
+function ensureRustEnv() {
+    ensureCargoBinOnPath();
+}
 async function installRust() {
     const isActions = process.env.GITHUB_ACTIONS;
     const isInChina = await isChinaDomain('sh.rustup.rs');
@@ -295,6 +342,7 @@ async function installRust() {
     try {
         await shellExec(IS_WIN ? rustInstallScriptForWindows : rustInstallScriptForMac);
         spinner.succeed(chalk.green('✔ Rust installed successfully!'));
+        ensureRustEnv();
     }
     catch (error) {
         spinner.fail(chalk.red('✕ Rust installation failed!'));
@@ -303,6 +351,7 @@ async function installRust() {
     }
 }
 function checkRustInstalled() {
+    ensureCargoBinOnPath();
     try {
         execaSync('rustc', ['--version']);
         return true;
@@ -674,6 +723,7 @@ class BaseBuilder {
             logger.warn('✼ The first use requires installing system dependencies.');
             logger.warn('✼ See more in https://tauri.app/start/prerequisites/.');
         }
+        ensureRustEnv();
         if (!checkRustInstalled()) {
             const res = await prompts({
                 type: 'confirm',