dotfiles/bootstrap.ps1 at master · yslib/dotfiles · GitHub

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<#
.SYNOPSIS
    Minimal Windows bootstrapper.
    Installs Scoop + Git, clones the dotfiles repo, runs bootstrap.sh in
    Git Bash for package installation, then creates symlinks directly in
    PowerShell (which has the admin token).

.USAGE
    irm https://raw.githubusercontent.com/yslib/dotfiles/master/bootstrap.ps1 | iex
#>
$ErrorActionPreference = "Stop"

$DotfilesRepo = "https://github.com/yslib/dotfiles.git"

# ── 0. Self-elevate if not admin ────────────────────────────────────
$isAdmin = ([Security.Principal.WindowsPrincipal] `
    [Security.Principal.WindowsIdentity]::GetCurrent()
).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)

if (-not $isAdmin) {
    Write-Host ">> Requesting administrator privileges (needed for symlinks)..." -ForegroundColor Yellow
    $psExe = if ($PSVersionTable.PSVersion.Major -ge 7) { (Get-Process -Id $PID).Path } else { "powershell.exe" }
    $cwd = (Get-Location).Path
    Start-Process $psExe -Verb RunAs -ArgumentList @(
        "-ExecutionPolicy", "Bypass",
        "-Command", "Set-Location '$cwd'; irm https://raw.githubusercontent.com/yslib/dotfiles/master/bootstrap.ps1 | iex"
    )
    exit
}

# ── 1. Install Scoop ─────────────────────────────────────────────
if (-not (Get-Command scoop -ErrorAction SilentlyContinue)) {
    Write-Host ">> Installing Scoop..." -ForegroundColor Cyan
    Set-ExecutionPolicy RemoteSigned -Scope CurrentUser -Force
    Invoke-RestMethod get.scoop.sh | Invoke-Expression
    $env:Path = [System.Environment]::GetEnvironmentVariable("Path", "User") + ";" + `
                [System.Environment]::GetEnvironmentVariable("Path", "Machine")
} else {
    Write-Host ">> Scoop already installed." -ForegroundColor Green
}

# ── 2. Install Git for Windows (provides bash) ───────────────────
if (-not (Get-Command git -ErrorAction SilentlyContinue)) {
    Write-Host ">> Installing Git for Windows via Scoop..." -ForegroundColor Cyan
    scoop install git
    $env:Path = [System.Environment]::GetEnvironmentVariable("Path", "User") + ";" + `
                [System.Environment]::GetEnvironmentVariable("Path", "Machine")
} else {
    Write-Host ">> Git already installed." -ForegroundColor Green
}

# ── 3. Clone dotfiles repo (or detect we're already inside one) ──
if (Test-Path (Join-Path (Get-Location) "Scoopfile.json")) {
    # Already inside the dotfiles repo (e.g. user ran .\bootstrap.ps1)
    $DotfilesDir = (Get-Location).Path
    Write-Host ">> Running from existing repo at $DotfilesDir" -ForegroundColor Green
} else {
    $DotfilesDir = Join-Path (Get-Location) "dotfiles"
    if (Test-Path (Join-Path $DotfilesDir ".git")) {
        Write-Host ">> Dotfiles repo already exists at $DotfilesDir, pulling latest..." -ForegroundColor Green
        git -C $DotfilesDir pull --rebase
    } else {
        Write-Host ">> Cloning dotfiles repo to $DotfilesDir..." -ForegroundColor Cyan
        git clone $DotfilesRepo $DotfilesDir
    }
}

# ── 4. Locate bash and run bootstrap.sh ──────────────────────────
$gitDir = Split-Path -Parent (Get-Command git).Source
$bashCandidates = @(
    (Join-Path (Split-Path $gitDir) "bin\bash.exe"),
    (Join-Path $gitDir "bash.exe"),
    (Join-Path (Split-Path $gitDir) "usr\bin\bash.exe")
)
$bashExe = $bashCandidates | Where-Object { Test-Path $_ } | Select-Object -First 1
if (-not $bashExe) { Write-Error "Could not find bash.exe from Git for Windows." }

Write-Host ">> Found bash at: $bashExe" -ForegroundColor Green

$unixPath = & $bashExe -c "cygpath '$DotfilesDir'" 2>$null
if (-not $unixPath) { $unixPath = $DotfilesDir -replace '\\','/' -replace '^([A-Za-z]):','/$1' }

Write-Host ">> Launching bootstrap.sh in Git Bash (install packages + nvim plugins)..." -ForegroundColor Cyan
& $bashExe --login -c "cd '$unixPath' && ./bootstrap.sh"

if ($LASTEXITCODE -ne 0) {
    Write-Error "bootstrap.sh exited with code $LASTEXITCODE"
}

# ── 5. Create symlinks (PowerShell has admin token) ──────────────
$linkScript = Join-Path $DotfilesDir "scripts/link_config.ps1"
if (-not (Test-Path $linkScript)) {
    Write-Error "link_config.ps1 not found: $linkScript"
}

& $linkScript -DotfilesDir $DotfilesDir

# ── Done ─────────────────────────────────────────────────────────
Write-Host "`n========================================" -ForegroundColor Green
Write-Host "  Bootstrap complete!" -ForegroundColor Green
Write-Host "  Please restart your terminal." -ForegroundColor Green
Write-Host "========================================" -ForegroundColor Green