diff --git a/barretenberg/bbup/.gitignore b/barretenberg/bbup/.gitignore
index 96f4d2d1d9f..21114ccaaac 100644
--- a/barretenberg/bbup/.gitignore
+++ b/barretenberg/bbup/.gitignore
@@ -2,3 +2,4 @@ node_modules
 yarn.lock
 *.js
 .yarn
+bun.lockb
diff --git a/barretenberg/bbup/bbup.js b/barretenberg/bbup/bbup.js
index 13eb873dc20..6b6fac09db8 100755
--- a/barretenberg/bbup/bbup.js
+++ b/barretenberg/bbup/bbup.js
@@ -1,5 +1,5 @@
 #!/usr/bin/env node
-import { Command } from "commander";
+import { Command, Option } from "commander";
 const program = new Command();
 import { installBB } from "./shell.js";
 import ora from "ora";
@@ -10,20 +10,19 @@ const spinner = ora({ color: "blue", discardStdin: false });
 const bbup = program
     .command("install", { isDefault: true })
     .description("Installs Barretenberg.")
-    .option("-f, --frontend", "Match the version of a specific frontend language", "noir");
-const options = bbup.opts();
-if (options.frontend === "noir") {
-    bbup
-        .requiredOption("-v, --version <version>", "The Noir version to match", "current")
-        .action(async ({ version }) => {
-        let resolvedVersion = version;
-        if (version === "current") {
+    .addOption(new Option("-v, --version <version>", "The Barretenberg version to install").implies({ noirVersion: null }))
+    .addOption(new Option("-nv, --noir-version <version>", "The Noir version to match").default("current"))
+    .action(async ({ version, noirVersion }) => {
+    let resolvedBBVersion = "";
+    if (noirVersion) {
+        let resolvedNoirVersion = noirVersion;
+        if (noirVersion === "current") {
             spinner.start(`Querying noir version from nargo`);
             try {
                 const output = execSync("nargo --version", { encoding: "utf-8" });
-                resolvedVersion = output.match(/nargo version = (\d+\.\d+\.\d+)/)[1];
+                resolvedNoirVersion = output.match(/nargo version = (\d+\.\d+\.\d+)/)[1];
                 spinner.stopAndPersist({
-                    text: `Resolved noir version ${resolvedVersion} from nargo`,
+                    text: `Resolved noir version ${resolvedNoirVersion} from nargo`,
                     symbol: logSymbols.success,
                 });
             }
@@ -35,14 +34,17 @@ if (options.frontend === "noir") {
                 process.exit(1);
             }
         }
-        spinner.start(`Getting compatible barretenberg version for noir version ${resolvedVersion}`);
-        const compatibleVersion = await getBbVersionForNoir(resolvedVersion, spinner);
+        spinner.start(`Getting compatible barretenberg version for noir version ${resolvedNoirVersion}`);
+        resolvedBBVersion = await getBbVersionForNoir(resolvedNoirVersion, spinner);
         spinner.stopAndPersist({
-            text: `Resolved to barretenberg version ${compatibleVersion}`,
+            text: `Resolved to barretenberg version ${resolvedBBVersion}`,
             symbol: logSymbols.success,
         });
-        spinner.start(`Installing barretenberg`);
-        await installBB(compatibleVersion, spinner);
-    });
-}
+    }
+    else if (version) {
+        resolvedBBVersion = version;
+    }
+    spinner.start(`Installing barretenberg`);
+    await installBB(resolvedBBVersion, spinner);
+});
 bbup.parse();
diff --git a/barretenberg/bbup/bbup.ts b/barretenberg/bbup/bbup.ts
index d885715a0dc..98608ae5039 100755
--- a/barretenberg/bbup/bbup.ts
+++ b/barretenberg/bbup/bbup.ts
@@ -33,8 +33,9 @@ const bbup = program
         try {
           const output = execSync("nargo --version", { encoding: "utf-8" });
           resolvedNoirVersion = output.match(
-            /nargo version = (\d+\.\d+\.\d+)/
+            /nargo version = (\d+\.\d+\.\d+(-\w+\.\d+)?)/
           )![1];
+          console.log(resolvedNoirVersion);
           spinner.stopAndPersist({
             text: `Resolved noir version ${resolvedNoirVersion} from nargo`,
             symbol: logSymbols.success,
diff --git a/barretenberg/bbup/package.json b/barretenberg/bbup/package.json
index 935b3b06e1c..7283db443e5 100644
--- a/barretenberg/bbup/package.json
+++ b/barretenberg/bbup/package.json
@@ -3,7 +3,7 @@
     "type": "module",
     "description": "Barretenberg installation script",
     "bin": "bbup.js",
-    "version": "0.0.7",
+    "version": "0.0.12",
     "license": "ISC",
     "scripts": {
         "start": "npx tsx bbup.ts",
@@ -13,6 +13,7 @@
     "dependencies": {
         "@inquirer/input": "^1.2.16",
         "@inquirer/select": "^1.3.3",
+        "@types/node": "^22.9.1",
         "axios": "^1.7.7",
         "commander": "^11.1.0",
         "log-symbols": "^7.0.0",
diff --git a/barretenberg/bbup/shell.js b/barretenberg/bbup/shell.js
index 512c2ddb9cf..b8fd1418cb9 100644
--- a/barretenberg/bbup/shell.js
+++ b/barretenberg/bbup/shell.js
@@ -8,21 +8,25 @@ import tar from "tar-fs";
 import { promisify } from "util";
 import { pipeline } from "stream";
 import path from "path";
+import { appendFileSync, existsSync } from "fs";
 export function sourceShellConfig() {
-    const shell = execSync("echo $SHELL", { encoding: "utf-8" }).trim();
-    if (shell.includes("bash")) {
-        process.env.PATH = execSync("echo $PATH", { encoding: "utf-8" }).trim();
+    const home = os.homedir();
+    const bbBinPath = path.join(home, ".bb");
+    const pathEntry = `export PATH="${bbBinPath}:$PATH"\n`;
+    if (existsSync(path.join(home, ".bashrc"))) {
+        const bashrcPath = path.join(home, ".bashrc");
+        appendFileSync(bashrcPath, pathEntry);
     }
-    else if (shell.includes("zsh")) {
-        process.env.PATH = execSync('zsh -c "echo $PATH"', {
-            encoding: "utf-8",
-        }).trim();
+    if (existsSync(path.join(home, ".zshrc"))) {
+        const zshrcPath = path.join(home, ".zshrc");
+        appendFileSync(zshrcPath, pathEntry);
     }
-    else if (shell.includes("fish")) {
-        process.env.PATH = execSync('fish -c "echo $PATH"', {
-            encoding: "utf-8",
-        }).trim();
+    if (existsSync(path.join(home, ".config", "fish", "config.fish"))) {
+        const fishConfigPath = path.join(home, ".config", "fish", "config.fish");
+        appendFileSync(fishConfigPath, `set -gx PATH ${bbBinPath} $PATH\n`);
     }
+    // Update the current session's PATH
+    process.env.PATH = `${bbBinPath}:${process.env.PATH}`;
 }
 export function exec(cmd, options = {}) {
     return execSync(cmd, {
@@ -65,4 +69,5 @@ export async function installBB(version, spinner) {
         text: `Installed barretenberg to ${bbPath}`,
         symbol: logSymbols.success,
     });
+    sourceShellConfig();
 }
diff --git a/barretenberg/bbup/shell.ts b/barretenberg/bbup/shell.ts
index 5ab408778c7..c2e8a6945f3 100644
--- a/barretenberg/bbup/shell.ts
+++ b/barretenberg/bbup/shell.ts
@@ -11,20 +11,28 @@ import { promisify } from "util";
 import { pipeline } from "stream";
 import path from "path";
 
+import { appendFileSync, existsSync } from "fs";
+
 export function sourceShellConfig() {
-  const shell = execSync("echo $SHELL", { encoding: "utf-8" }).trim();
+  const home = os.homedir();
+  const bbBinPath = path.join(home, ".bb");
+  const pathEntry = `export PATH="${bbBinPath}:$PATH"\n`;
 
-  if (shell.includes("bash")) {
-    process.env.PATH = execSync("echo $PATH", { encoding: "utf-8" }).trim();
-  } else if (shell.includes("zsh")) {
-    process.env.PATH = execSync('zsh -c "echo $PATH"', {
-      encoding: "utf-8",
-    }).trim();
-  } else if (shell.includes("fish")) {
-    process.env.PATH = execSync('fish -c "echo $PATH"', {
-      encoding: "utf-8",
-    }).trim();
+  if (existsSync(path.join(home, ".bashrc"))) {
+    const bashrcPath = path.join(home, ".bashrc");
+    appendFileSync(bashrcPath, pathEntry);
+  }
+  if (existsSync(path.join(home, ".zshrc"))) {
+    const zshrcPath = path.join(home, ".zshrc");
+    appendFileSync(zshrcPath, pathEntry);
   }
+  if (existsSync(path.join(home, ".config", "fish", "config.fish"))) {
+    const fishConfigPath = path.join(home, ".config", "fish", "config.fish");
+    appendFileSync(fishConfigPath, `set -gx PATH ${bbBinPath} $PATH\n`);
+  }
+
+  // Update the current session's PATH
+  process.env.PATH = `${bbBinPath}:${process.env.PATH}`;
 }
 
 export function exec(cmd: string, options = {}) {
@@ -82,4 +90,5 @@ export async function installBB(version: string, spinner: Ora) {
     text: `Installed barretenberg to ${bbPath}`,
     symbol: logSymbols.success,
   });
+  sourceShellConfig();
 }
diff --git a/barretenberg/bbup/versions.js b/barretenberg/bbup/versions.js
index 795107f3f13..5f6dee81f7f 100644
--- a/barretenberg/bbup/versions.js
+++ b/barretenberg/bbup/versions.js
@@ -1,5 +1,5 @@
-import axios from 'axios';
-import logSymbols from 'log-symbols';
+import axios from "axios";
+import logSymbols from "log-symbols";
 async function getNamedVersions(githubToken) {
     const fetchOpts = {
         // eslint-disable-next-line camelcase
@@ -9,16 +9,18 @@ async function getNamedVersions(githubToken) {
     if (githubToken)
         fetchOpts.headers = { Authorization: `token ${githubToken}` };
     const { data } = await axios.get(`https://api.github.com/repos/noir-lang/noir/releases`, fetchOpts);
-    const stable = data.filter((release) => !release.tag_name.includes('aztec') && !release.tag_name.includes('nightly') && !release.prerelease)[0].tag_name;
-    const nightly = data.filter((release) => release.tag_name.startsWith('nightly'))[0].tag_name;
+    const stable = data.filter((release) => !release.tag_name.includes("aztec") &&
+        !release.tag_name.includes("nightly") &&
+        !release.prerelease)[0].tag_name;
+    const nightly = data.filter((release) => release.tag_name.startsWith("nightly"))[0].tag_name;
     return {
         stable,
         nightly,
     };
 }
 export async function getBbVersionForNoir(noirVersion, spinner, githubToken) {
-    let url = '';
-    if (noirVersion === 'stable' || noirVersion === 'nightly') {
+    let url = "";
+    if (noirVersion === "stable" || noirVersion === "nightly") {
         spinner.start(`Resolving noir version ${noirVersion}...`);
         const resolvedVersions = await getNamedVersions(githubToken);
         spinner.stopAndPersist({