Fix Install commands for Windows + 1 line installs

README.md

@@ -54,6 +54,14 @@ Unsloth Studio (Beta) works on **Windows, Linux, WSL** and **macOS**.
 #### MacOS, Linux, WSL:
 For MacOS, ensure you have `cmake` installed. If not, run `brew install cmake`.
 ```bash
+curl -fsSL https://raw.githubusercontent.com/unslothai/unsloth/main/install.sh | sh
+```
+If you don't have `curl`, use `wget`:
+```bash
+wget -qO- https://raw.githubusercontent.com/unslothai/unsloth/main/install.sh | sh
+```
+Or manually:
+```bash
 curl -LsSf https://astral.sh/uv/install.sh | sh
 uv venv unsloth_studio --python 3.13
 source unsloth_studio/bin/activate
@@ -67,9 +75,12 @@ source unsloth_studio/bin/activate
 unsloth studio -H 0.0.0.0 -p 8888
 ```
 
-#### Windows:
-Run in Windows Powershell:
-```bash
+#### Windows PowerShell (One time):
+```powershell
+irm https://raw.githubusercontent.com/unslothai/unsloth/main/install.ps1 | iex
+```
+Or manually:
+```powershell
 winget install -e --id Python.Python.3.13
 winget install --id=astral-sh.uv  -e
 uv venv unsloth_studio --python 3.13
@@ -79,7 +90,7 @@ unsloth studio setup
 unsloth studio -H 0.0.0.0 -p 8888
 ```
 Then to launch every time:
-```bash
+```powershell
 .\unsloth_studio\Scripts\activate
 unsloth studio -H 0.0.0.0 -p 8888
 ```

build.sh

@@ -4,8 +4,52 @@ set -euo pipefail
 
 # 1. Build frontend (Vite outputs to dist/)
 cd studio/frontend
+
+# Clean stale dist to force a full rebuild
+rm -rf dist
+
+# Tailwind v4's oxide scanner respects .gitignore in parent directories.
+# Python venvs create a .gitignore with "*" (ignore everything), which
+# prevents Tailwind from scanning .tsx source files for class names.
+# Temporarily hide any such .gitignore during the build, then restore it.
+_HIDDEN_GITIGNORES=()
+_dir="$(pwd)"
+while [ "$_dir" != "/" ]; do
+    _dir="$(dirname "$_dir")"
+    if [ -f "$_dir/.gitignore" ] && grep -qx '\*' "$_dir/.gitignore" 2>/dev/null; then
+        mv "$_dir/.gitignore" "$_dir/.gitignore._twbuild"
+        _HIDDEN_GITIGNORES+=("$_dir/.gitignore")
+    fi
+done
+
+_restore_gitignores() {
+    for _gi in "${_HIDDEN_GITIGNORES[@]+"${_HIDDEN_GITIGNORES[@]}"}"; do
+        mv "${_gi}._twbuild" "$_gi" 2>/dev/null || true
+    done
+}
+trap _restore_gitignores EXIT
+
 npm install
 npm run build       # outputs to studio/frontend/dist/
+
+_restore_gitignores
+trap - EXIT
+
+# Validate CSS output -- catch truncated Tailwind builds before packaging
+MAX_CSS_SIZE=$(find dist/assets -name '*.css' -exec wc -c {} + 2>/dev/null | sort -n | tail -1 | awk '{print $1}')
+if [ -z "$MAX_CSS_SIZE" ]; then
+    echo "❌ ERROR: No CSS files were emitted into dist/assets."
+    echo "   The frontend build may have failed silently."
+    exit 1
+fi
+if [ "$MAX_CSS_SIZE" -lt 100000 ]; then
+    echo "❌ ERROR: Largest CSS file is only $((MAX_CSS_SIZE / 1024))KB (expected >100KB)."
+    echo "   Tailwind may not have scanned all source files."
+    echo "   Check for .gitignore files blocking the Tailwind oxide scanner."
+    exit 1
+fi
+echo "✅ Frontend CSS validated (${MAX_CSS_SIZE} bytes)"
+
 cd ../..
 
 # 2. Clean old artifacts

install.ps1

@@ -0,0 +1,119 @@
+# Unsloth Studio Installer for Windows PowerShell
+# Usage:  irm https://raw.githubusercontent.com/unslothai/unsloth/main/install.ps1 | iex
+# Local:  Set-ExecutionPolicy -Scope Process -ExecutionPolicy Bypass; .\install.ps1
+
+function Install-UnslothStudio {
+    $ErrorActionPreference = "Stop"
+
+    $VenvName = "unsloth_studio"
+    $PythonVersion = "3.13"
+
+    Write-Host ""
+    Write-Host "========================================="
+    Write-Host "   Unsloth Studio Installer (Windows)"
+    Write-Host "========================================="
+    Write-Host ""
+
+    # ── Helper: refresh PATH from registry (preserving current session entries) ──
+    function Refresh-SessionPath {
+        $machine = [System.Environment]::GetEnvironmentVariable("Path", "Machine")
+        $user    = [System.Environment]::GetEnvironmentVariable("Path", "User")
+        $env:Path = "$machine;$user;$env:Path"
+    }
+
+    # ── Check winget ──
+    if (-not (Get-Command winget -ErrorAction SilentlyContinue)) {
+        Write-Host "Error: winget is not available." -ForegroundColor Red
+        Write-Host "       Install it from https://aka.ms/getwinget" -ForegroundColor Yellow
+        Write-Host "       or install Python $PythonVersion and uv manually, then re-run." -ForegroundColor Yellow
+        return
+    }
+
+    # ── Install Python if no compatible version (3.11-3.13) found ──
+    $DetectedPythonVersion = ""
+    if (Get-Command python -ErrorAction SilentlyContinue) {
+        $pyVer = python --version 2>&1
+        if ($pyVer -match "Python (3\.1[1-3])\.\d+") {
+            Write-Host "==> Python already installed: $pyVer"
+            $DetectedPythonVersion = $Matches[1]
+        }
+    }
+    if (-not $DetectedPythonVersion) {
+        Write-Host "==> Installing Python ${PythonVersion}..."
+        winget install -e --id Python.Python.3.13 --accept-package-agreements --accept-source-agreements
+        Refresh-SessionPath
+        if ($LASTEXITCODE -ne 0) {
+            # winget returns non-zero for "already installed" -- only fail if python is truly missing
+            if (-not (Get-Command python -ErrorAction SilentlyContinue)) {
+                Write-Host "[ERROR] Python installation failed (exit code $LASTEXITCODE)" -ForegroundColor Red
+                return
+            }
+        }
+        $DetectedPythonVersion = $PythonVersion
+    }
+
+    # ── Install uv if not present ──
+    if (-not (Get-Command uv -ErrorAction SilentlyContinue)) {
+        Write-Host "==> Installing uv package manager..."
+        winget install --id=astral-sh.uv -e --accept-package-agreements --accept-source-agreements
+        Refresh-SessionPath
+        # Fallback: if winget didn't put uv on PATH, try the PowerShell installer
+        if (-not (Get-Command uv -ErrorAction SilentlyContinue)) {
+            Write-Host "    Trying alternative uv installer..."
+            powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex"
+            Refresh-SessionPath
+        }
+    }
+
+    if (-not (Get-Command uv -ErrorAction SilentlyContinue)) {
+        Write-Host "Error: uv could not be installed." -ForegroundColor Red
+        Write-Host "       Install it from https://docs.astral.sh/uv/" -ForegroundColor Yellow
+        return
+    }
+
+    # ── Create venv (skip if it already exists and has a valid interpreter) ──
+    $VenvPython = Join-Path $VenvName "Scripts\python.exe"
+    if (-not (Test-Path $VenvPython)) {
+        if (Test-Path $VenvName) { Remove-Item -Recurse -Force $VenvName }
+        Write-Host "==> Creating Python ${DetectedPythonVersion} virtual environment (${VenvName})..."
+        uv venv $VenvName --python $DetectedPythonVersion
+        if ($LASTEXITCODE -ne 0) {
+            Write-Host "[ERROR] Failed to create virtual environment (exit code $LASTEXITCODE)" -ForegroundColor Red
+            return
+        }
+    } else {
+        Write-Host "==> Virtual environment ${VenvName} already exists, skipping creation."
+    }
+
+    # ── Install unsloth directly into the venv (no activation needed) ──
+    Write-Host "==> Installing unsloth (this may take a few minutes)..."
+    uv pip install --python $VenvPython unsloth --torch-backend=auto
+    if ($LASTEXITCODE -ne 0) {
+        Write-Host "[ERROR] Failed to install unsloth (exit code $LASTEXITCODE)" -ForegroundColor Red
+        return
+    }
+
+    # ── Run studio setup ──
+    # setup.ps1 will handle installing Git, CMake, Visual Studio Build Tools,
+    # CUDA Toolkit, Node.js, and other dependencies automatically via winget.
+    Write-Host "==> Running unsloth studio setup..."
+    $UnslothExe = Join-Path $VenvName "Scripts\unsloth.exe"
+    & $UnslothExe studio setup
+    if ($LASTEXITCODE -ne 0) {
+        Write-Host "[ERROR] unsloth studio setup failed (exit code $LASTEXITCODE)" -ForegroundColor Red
+        return
+    }
+
+    Write-Host ""
+    Write-Host "========================================="
+    Write-Host "   Unsloth Studio installed!"
+    Write-Host "========================================="
+    Write-Host ""
+    Write-Host "  To launch, run:"
+    Write-Host ""
+    Write-Host "    .\${VenvName}\Scripts\activate"
+    Write-Host "    unsloth studio -H 0.0.0.0 -p 8888"
+    Write-Host ""
+}
+
+Install-UnslothStudio