feat: windows powershell install script (#45)

Author: notnmeyer

.github/workflows/test-install.yml

@@ -27,3 +27,19 @@ jobs:
           else
             "$INSTALL_DIR/loops" version
           fi
+
+  test-ps1:
+    name: install ps1 (windows)
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v6
+      - shell: pwsh
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          $InstallDir = "$env:TEMP\loops-test"
+          .\install.ps1 -InstallDir $InstallDir
+      - shell: pwsh
+        run: |
+          $InstallDir = "$env:TEMP\loops-test"
+          & "$InstallDir\loops.exe" version

README.md

@@ -21,14 +21,20 @@ Run `loops --help` to see available commands, or `loops [command] --help` for de
 brew install loops-so/tap/loops
 ```
 
-### Script
+### Script for macOS, Linux, Windows via WSL
 
 ```bash
 curl -fsSL --proto '=https' --tlsv1.2 https://raw.githubusercontent.com/loops-so/cli/main/install.sh | bash
 ```
 
 To install a specific version or to a custom path, append `-s -- <version> <path>` to `bash` in the command above. The default installation path is `~/.local/bin`.
 
+### Script for Windows PowerShell
+
+```
+irm https://raw.githubusercontent.com/Loops-so/cli/main/install.ps1 | iex
+```
+
 ## Auth
 
 The CLI requires a Loops API key. Get one from [Settings > API](https://app.loops.so/settings?page=api).

install.ps1

@@ -0,0 +1,88 @@
+# install.ps1
+param(
+    [string]$Tag = "latest",
+    [string]$InstallDir = "$env:LOCALAPPDATA\Programs\loops"
+)
+
+$ErrorActionPreference = "Stop"
+
+$GHRepo = "loops-so/cli"
+$GHAssetsUrl = "https://github.com/$GHRepo/releases/download"
+$ProjName = "loops_cli"
+$BinName = "loops.exe"
+
+$Arch = switch ($env:PROCESSOR_ARCHITECTURE) {
+    "AMD64"  { "x86_64" }
+    "ARM64"  { "arm64" }
+    "x86"    { "i386" }
+    default  { throw "Unsupported architecture: $env:PROCESSOR_ARCHITECTURE" }
+}
+
+$AuthHeader = @{}
+if ($env:GITHUB_TOKEN) {
+    $AuthHeader["Authorization"] = "Bearer $env:GITHUB_TOKEN"
+}
+
+function Get-GithubRelease {
+    param([string]$Repo, [string]$Version)
+    $url = if ($Version -eq "latest") {
+        "https://api.github.com/repos/$Repo/releases/latest"
+    } else {
+        "https://api.github.com/repos/$Repo/releases/tags/$Version"
+    }
+    $response = Invoke-RestMethod -Uri $url -Headers $AuthHeader
+    return $response.tag_name
+}
+
+function Confirm-Checksum {
+    param([string]$FilePath, [string]$ChecksumsPath)
+    $filename = Split-Path $FilePath -Leaf
+    $line = Get-Content $ChecksumsPath | Where-Object { $_ -match [regex]::Escape($filename) }
+    if (-not $line) {
+        throw "Could not find checksum for $filename"
+    }
+    $want = ($line -split '\s+')[0].ToLower()
+    $got = (Get-FileHash -Algorithm SHA256 -Path $FilePath).Hash.ToLower()
+    if ($want -ne $got) {
+        throw "Checksum mismatch for $filename`: expected $want, got $got"
+    }
+}
+
+$release = Get-GithubRelease -Repo $GHRepo -Version $Tag
+$versionNoV = $release -replace '^v', ''
+$archiveName = "${ProjName}_windows_${Arch}.zip"
+$checksumsName = "${ProjName}_${versionNoV}_checksums.txt"
+$downloadUrl = "$GHAssetsUrl/$release/$archiveName"
+$checksumsUrl = "$GHAssetsUrl/$release/$checksumsName"
+
+Write-Host "Installing $ProjName $release for windows/$Arch..."
+
+$tmpDir = Join-Path $env:TEMP ([System.IO.Path]::GetRandomFileName())
+New-Item -ItemType Directory -Path $tmpDir | Out-Null
+
+try {
+    Invoke-WebRequest -Uri $downloadUrl -OutFile "$tmpDir\$archiveName" -Headers $AuthHeader
+    Invoke-WebRequest -Uri $checksumsUrl -OutFile "$tmpDir\$checksumsName" -Headers $AuthHeader
+
+    Confirm-Checksum -FilePath "$tmpDir\$archiveName" -ChecksumsPath "$tmpDir\$checksumsName"
+
+    Expand-Archive -Path "$tmpDir\$archiveName" -DestinationPath $tmpDir -Force
+
+    if (-not (Test-Path $InstallDir)) {
+        New-Item -ItemType Directory -Path $InstallDir | Out-Null
+    }
+
+    Copy-Item "$tmpDir\$BinName" "$InstallDir\$BinName" -Force
+
+    $userPath = [System.Environment]::GetEnvironmentVariable("Path", "User")
+    if ($userPath -notlike "*$InstallDir*") {
+        [System.Environment]::SetEnvironmentVariable("Path", "$userPath;$InstallDir", "User")
+        $env:PATH = "$env:PATH;$InstallDir"
+        Write-Host "Added $InstallDir to your PATH"
+    }
+} finally {
+    Remove-Item -Recurse -Force $tmpDir -ErrorAction SilentlyContinue
+}
+
+Write-Host "Done!"
+Write-Host "Installed to $InstallDir\$BinName"