403 lines
16 KiB
PowerShell
403 lines
16 KiB
PowerShell
#Requires -Version 5.1
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<#
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.SYNOPSIS
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Installs lazygit terminal UI for git from GitHub releases.
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.DESCRIPTION
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Auto-detects the latest release from
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https://github.com/jesseduffield/lazygit/releases, downloads the zip
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file matching your Windows architecture, and installs it.
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Supported architectures:
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- x64 (AMD64 / Intel 64bit)
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- ARM64 (Snapdragon X Elite, Qualcomm ARM, etc.)
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.PARAMETER InstallDir
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Directory to install lazygit.exe. Default: $env:USERPROFILE\.local\bin
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.PARAMETER AddToPath
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Whether to permanently add InstallDir to user PATH. Default: $true
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.EXAMPLE
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.\install-lazygit.ps1
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.\install-lazygit.ps1 -InstallDir "C:\tools\bin"
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.\install-lazygit.ps1 -AddToPath $false
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# One-liner install from remote (works on Windows 10+):
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powershell -ExecutionPolicy Bypass -c "[Net.ServicePointManager]::SecurityProtocol=[Net.SecurityProtocolType]::Tls12; $t=\"$env:TEMP\install-lazygit.ps1\"; iwr -useb 'https://gl.isitsoft.kr/publicproj/install-sh/-/raw/main/install-lazygit.ps1' -OutFile $t; & $t"
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# With parameters:
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powershell -ExecutionPolicy Bypass -c "[Net.ServicePointManager]::SecurityProtocol=[Net.SecurityProtocolType]::Tls12; $t=\"$env:TEMP\install-lazygit.ps1\"; iwr -useb 'https://gl.isitsoft.kr/publicproj/install-sh/-/raw/main/install-lazygit.ps1' -OutFile $t; & $t -InstallDir 'C:\tools\bin'"
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.NOTES
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If execution policy error occurs:
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Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
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#>
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[CmdletBinding()]
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param(
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[string] $InstallDir = "$env:USERPROFILE\.local\bin",
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[bool] $AddToPath = $true
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)
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Set-StrictMode -Version Latest
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$ErrorActionPreference = 'Stop'
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# ────────────────────────────────────────────
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# Constants
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# ────────────────────────────────────────────
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$REPO = "jesseduffield/lazygit"
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$API_URL = "https://api.github.com/repos/$REPO/releases"
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$FALLBACK_TAG = "v0.61.1"
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$GIT_REPO = "git-for-windows/git"
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$GIT_API_URL = "https://api.github.com/repos/$GIT_REPO/releases"
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# ────────────────────────────────────────────
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# Utility functions
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# ────────────────────────────────────────────
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function Write-Info { param([string]$msg) Write-Host "[INFO] $msg" -ForegroundColor Cyan }
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function Write-Warn { param([string]$msg) Write-Host "[WARN] $msg" -ForegroundColor Yellow }
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function Write-Success { param([string]$msg) Write-Host "[OK] $msg" -ForegroundColor Green }
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function Write-Err { param([string]$msg) Write-Host "[ERROR] $msg" -ForegroundColor Red; exit 1 }
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# ────────────────────────────────────────────
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# Enforce TLS 1.2 (for Windows 7/8.1 compatibility)
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# ────────────────────────────────────────────
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[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
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# ────────────────────────────────────────────
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# Check for git (required by lazygit)
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# ────────────────────────────────────────────
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function Install-GitPortable {
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Write-Info "git is not installed. Installing PortableGit..."
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# Detect architecture
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$envArch = $env:PROCESSOR_ARCHITEW6432
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if (-not $envArch) { $envArch = $env:PROCESSOR_ARCHITECTURE }
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$gitArch = ""
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if ($envArch -eq "AMD64") {
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$gitArch = "64-bit"
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} elseif ($envArch -eq "ARM64") {
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$gitArch = "arm64"
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} else {
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Write-Err "Unsupported architecture for PortableGit: $envArch"
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}
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# Find latest Git for Windows release
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Write-Info "Fetching latest Git for Windows release..."
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try {
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$releases = Invoke-RestMethod -Uri $GIT_API_URL -UseBasicParsing `
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-Headers @{ 'User-Agent' = 'install-lazygit-ps1' }
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} catch {
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Write-Err "Failed to call GitHub API for Git: $_"
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}
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$latestRelease = $releases | Where-Object { $_.prerelease -eq $false } | Select-Object -First 1
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if (-not $latestRelease) {
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Write-Err "Could not find latest Git for Windows release."
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}
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$tagName = $latestRelease.tag_name
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Write-Info "Latest Git for Windows: $tagName"
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# Find the PortableGit asset for our architecture (e.g. PortableGit-2.55.0.5-64-bit.7z.exe)
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$asset = $latestRelease.assets | Where-Object {
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$_.name -match "^PortableGit-.*-${gitArch}\.7z\.exe$"
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} | Select-Object -First 1
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if (-not $asset) {
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$asset = $latestRelease.assets | Where-Object {
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$_.name -like "PortableGit*$gitArch*.7z.exe"
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} | Select-Object -First 1
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}
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if (-not $asset) {
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Write-Err "Could not find PortableGit asset for architecture '$gitArch' in release $tagName."
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}
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$assetName = $asset.name
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$downloadUrl = $asset.browser_download_url
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$installPath = Join-Path $env:USERPROFILE "PortableGit"
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# Download
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$tmpDir = Join-Path $env:TEMP "git_install_$(Get-Random)"
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New-Item -ItemType Directory -Path $tmpDir -Force | Out-Null
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$zipPath = Join-Path $tmpDir "$assetName"
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try {
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Write-Info "Downloading: $downloadUrl"
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$ProgressPreference = 'SilentlyContinue'
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Invoke-WebRequest -Uri $downloadUrl -OutFile $zipPath -UseBasicParsing
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$ProgressPreference = 'Continue'
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# PortableGit .7z.exe is a self-extracting archive
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# Run it to extract to the install path
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Write-Info "Extracting PortableGit to $installPath..."
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# Try 7z first, then fall back to running the .7z.exe self-extractor
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$extracted = $false
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if (Get-Command 7z -ErrorAction SilentlyContinue) {
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& 7z x $zipPath -o"$installPath" -y 2>&1 | Out-Null
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$extracted = $true
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} else {
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# The .7z.exe is a self-extracting archive; run it with -y and -o"path"
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# It needs to be run as an executable
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try {
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& $zipPath -y -o"$installPath" 2>&1 | Out-Null
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$extracted = $true
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} catch {
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Write-Warn "Self-extractor failed, trying PowerShell expansion..."
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}
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}
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if (-not $extracted) {
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Write-Err "Cannot extract PortableGit. Install 7-Zip or install git manually from https://git-scm.com/download/win"
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}
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} finally {
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if (Test-Path $tmpDir) {
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Remove-Item -Path $tmpDir -Recurse -Force -ErrorAction SilentlyContinue
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}
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}
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# Verify git.exe
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$gitExe = Join-Path $installPath "cmd\git.exe"
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if (-not (Test-Path $gitExe)) {
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# Try bin directory as fallback
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$gitExe = Join-Path $installPath "bin\git.exe"
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}
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if (-not (Test-Path $gitExe)) {
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# Search recursively
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$found = Get-ChildItem -Path $installPath -Recurse -Filter "git.exe" -ErrorAction SilentlyContinue | Select-Object -First 1
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if ($found) { $gitExe = $found.FullName }
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}
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if (-not (Test-Path $gitExe)) {
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Write-Err "git.exe not found after extraction. Please install git manually."
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}
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# Add git's directory to PATH for this session and permanently
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$gitDir = Split-Path $gitExe
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if ($env:Path -notlike "*$gitDir*") {
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$env:Path = "$gitDir;$env:Path"
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Write-Info "Added $gitDir to PATH for this session"
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}
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$userPath = [System.Environment]::GetEnvironmentVariable('Path', 'User')
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if ($userPath -notlike "*$gitDir*") {
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[System.Environment]::SetEnvironmentVariable('Path', "$gitDir;$userPath", 'User')
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Write-Success "Added $gitDir to user PATH permanently"
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} else {
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Write-Info "$gitDir already in user PATH"
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}
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# Also add the main bin dir for bash, ssh, etc.
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$gitBinDir = Join-Path $installPath "bin"
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if ((Test-Path $gitBinDir) -and ($env:Path -notlike "*$gitBinDir*")) {
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$env:Path = "$gitBinDir;$env:Path"
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$userPath = [System.Environment]::GetEnvironmentVariable('Path', 'User')
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if ($userPath -notlike "*$gitBinDir*") {
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[System.Environment]::SetEnvironmentVariable('Path', "$gitBinDir;$userPath", 'User')
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Write-Success "Added $gitBinDir to user PATH permanently"
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}
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}
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Write-Success "PortableGit installed to $installPath"
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}
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# Check if git is available
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$gitCmd = Get-Command git -ErrorAction SilentlyContinue
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if (-not $gitCmd) {
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Install-GitPortable
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# Refresh PATH and re-check
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$env:Path = [System.Environment]::GetEnvironmentVariable('Path', 'User') + ';' + [System.Environment]::GetEnvironmentVariable('Path', 'Machine')
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$gitCmd = Get-Command git -ErrorAction SilentlyContinue
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if (-not $gitCmd) {
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Write-Err "git installation failed. Please install git manually from https://git-scm.com/download/win and re-run this script."
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}
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}
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Write-Success "git is available: $($gitCmd.Source)"
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# ────────────────────────────────────────────
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# Architecture detection
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# ────────────────────────────────────────────
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function Get-Platform {
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$envArch = $env:PROCESSOR_ARCHITEW6432
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if (-not $envArch) { $envArch = $env:PROCESSOR_ARCHITECTURE }
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switch -Regex ($envArch) {
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'^AMD64$' { return "windows_x86_64" }
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'^ARM64$' { return "windows_arm64" }
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'^x86$' { return "windows_32-bit" }
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}
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try {
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$arch = [System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture
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switch ($arch) {
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'X64' { return "windows_x86_64" }
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'Arm64' { return "windows_arm64" }
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'X86' { return "windows_32-bit" }
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default { Write-Err "Unsupported architecture: $arch" }
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}
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} catch {
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Write-Err "Failed to detect architecture: $_"
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}
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}
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# ────────────────────────────────────────────
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# Get latest stable release tag
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# ────────────────────────────────────────────
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function Get-LatestTag {
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Write-Info "Fetching latest release from GitHub API..."
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try {
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$releases = Invoke-RestMethod -Uri $API_URL -UseBasicParsing `
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-Headers @{ 'User-Agent' = 'install-lazygit-ps1' } -TimeoutSec 15
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$latest = $releases | Where-Object {
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$_.prerelease -eq $false -and $_.assets -and $_.assets.Count -gt 0
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} | Select-Object -First 1
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if ($latest -and $latest.tag_name) {
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return $latest.tag_name
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}
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} catch {
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Write-Warn "GitHub API lookup failed: $_"
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}
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Write-Warn "Using fallback release tag: $FALLBACK_TAG"
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return $FALLBACK_TAG
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}
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# ────────────────────────────────────────────
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# Build download URL
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# ────────────────────────────────────────────
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function Get-DownloadUrl {
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param([string]$Tag, [string]$Platform)
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$version = $Tag -replace '^v', ''
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$filename = "lazygit_${version}_${Platform}.zip"
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return "https://github.com/$REPO/releases/download/$Tag/$filename"
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}
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# ────────────────────────────────────────────
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# Download, extract & install
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# ────────────────────────────────────────────
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function Install-Lazygit {
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param([string]$Url, [string]$FallbackUrl)
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$tmpDir = Join-Path $env:TEMP "lazygit_install_$(Get-Random)"
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New-Item -ItemType Directory -Path $tmpDir | Out-Null
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try {
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$zipPath = Join-Path $tmpDir "lazygit.zip"
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Write-Info "Downloading: $Url"
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try {
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$ProgressPreference = 'SilentlyContinue'
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Invoke-WebRequest -Uri $Url -OutFile $zipPath -UseBasicParsing
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$ProgressPreference = 'Continue'
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} catch {
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if ($FallbackUrl -and ($FallbackUrl -ne $Url)) {
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Write-Warn "Primary download failed. Retrying with fallback URL: $FallbackUrl"
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try {
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$ProgressPreference = 'SilentlyContinue'
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Invoke-WebRequest -Uri $FallbackUrl -OutFile $zipPath -UseBasicParsing
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$ProgressPreference = 'Continue'
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} catch {
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Write-Err "Download failed: $_"
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}
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} else {
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Write-Err "Download failed: $_"
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}
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}
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Write-Info "Extracting..."
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Expand-Archive -Path $zipPath -DestinationPath $tmpDir -Force
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$lazygitExe = Get-ChildItem -Path $tmpDir -Recurse -Filter "lazygit.exe" |
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Select-Object -First 1
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if (-not $lazygitExe) {
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Write-Err "Cannot find 'lazygit.exe' in the archive."
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}
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if (-not (Test-Path $InstallDir)) {
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New-Item -ItemType Directory -Path $InstallDir -Force | Out-Null
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}
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$destPath = Join-Path $InstallDir "lazygit.exe"
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Write-Info "Installing: $destPath"
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try {
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Copy-Item -Path $lazygitExe.FullName -Destination $destPath -Force
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} catch {
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Write-Err "lazygit.exe is currently running. Please close lazygit and run this script again."
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}
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Write-Success "Installation complete!"
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Write-Info "Version check:"
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& $destPath --version
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} finally {
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if (Test-Path $tmpDir) {
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Remove-Item -Path $tmpDir -Recurse -Force -ErrorAction SilentlyContinue
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}
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}
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}
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# ────────────────────────────────────────────
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# Add to PATH (user environment variable)
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# ────────────────────────────────────────────
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function Add-ToUserPath {
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param([string]$Dir)
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$currentPath = [Environment]::GetEnvironmentVariable('PATH', 'User')
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if (-not $currentPath) { $currentPath = '' }
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$dirs = @($currentPath -split ';' | Where-Object { $_ -ne '' })
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if ($dirs -contains $Dir) {
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Write-Info "'$Dir' is already in your PATH."
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return
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}
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$newPath = ($dirs + $Dir) -join ';'
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[Environment]::SetEnvironmentVariable('PATH', $newPath, 'User')
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$env:PATH = "$env:PATH;$Dir"
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Write-Success "'$Dir' has been permanently added to user PATH."
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Write-Warn "Open a new terminal for PATH changes to take effect."
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}
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# ────────────────────────────────────────────
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# Main
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# ────────────────────────────────────────────
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function Main {
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Write-Info "===== lazygit install script (Windows PowerShell) ====="
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$platform = Get-Platform
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Write-Info "Detected platform: $platform"
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$tag = Get-LatestTag
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Write-Info "Latest release: $tag"
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$url = Get-DownloadUrl -Tag $tag -Platform $platform
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$fallbackUrl = Get-DownloadUrl -Tag $FALLBACK_TAG -Platform $platform
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Install-Lazygit -Url $url -FallbackUrl $fallbackUrl
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if ($AddToPath) {
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Add-ToUserPath -Dir $InstallDir
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} else {
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Write-Warn "Skipping automatic PATH registration."
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Write-Warn "Add to PATH manually: $InstallDir"
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}
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Write-Success "All tasks completed."
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Write-Info "Usage: lazygit"
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}
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Main
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