전체 설치 스크립트 GitHub 릴리스 에셋 검증 및 폴백 다운로드 방어 로직 적용

install-lazygit.ps1

@@ -46,10 +46,11 @@ $ErrorActionPreference = 'Stop'
 # ────────────────────────────────────────────
 # Constants
 # ────────────────────────────────────────────
-$REPO    = "jesseduffield/lazygit"
-$API_URL = "https://api.github.com/repos/$REPO/releases"
-$GIT_REPO = "git-for-windows/git"
-$GIT_API_URL = "https://api.github.com/repos/$GIT_REPO/releases"
+$REPO         = "jesseduffield/lazygit"
+$API_URL      = "https://api.github.com/repos/$REPO/releases"
+$FALLBACK_TAG = "v0.61.1"
+$GIT_REPO     = "git-for-windows/git"
+$GIT_API_URL  = "https://api.github.com/repos/$GIT_REPO/releases"
 
 # ────────────────────────────────────────────
 # Utility functions
@@ -254,18 +255,21 @@ function Get-LatestTag {
 
     try {
         $releases = Invoke-RestMethod -Uri $API_URL -UseBasicParsing `
-            -Headers @{ 'User-Agent' = 'install-lazygit-ps1' }
+            -Headers @{ 'User-Agent' = 'install-lazygit-ps1' } -TimeoutSec 15
+
+        $latest = $releases | Where-Object {
+            $_.prerelease -eq $false -and $_.assets -and $_.assets.Count -gt 0
+        } | Select-Object -First 1
+
+        if ($latest -and $latest.tag_name) {
+            return $latest.tag_name
+        }
     } catch {
-        Write-Err "Failed to call GitHub API: $_"
+        Write-Warn "GitHub API lookup failed: $_"
     }
 
-    $latest = $releases | Where-Object { $_.prerelease -eq $false } | Select-Object -First 1
-
-    if (-not $latest) {
-        Write-Err "Could not find latest release."
-    }
-
-    return $latest.tag_name
+    Write-Warn "Using fallback release tag: $FALLBACK_TAG"
+    return $FALLBACK_TAG
 }
 
 # ────────────────────────────────────────────
@@ -282,7 +286,7 @@ function Get-DownloadUrl {
 # Download, extract & install
 # ────────────────────────────────────────────
 function Install-Lazygit {
-    param([string]$Url)
+    param([string]$Url, [string]$FallbackUrl)
 
     $tmpDir = Join-Path $env:TEMP "lazygit_install_$(Get-Random)"
     New-Item -ItemType Directory -Path $tmpDir | Out-Null
@@ -296,7 +300,18 @@ function Install-Lazygit {
             Invoke-WebRequest -Uri $Url -OutFile $zipPath -UseBasicParsing
             $ProgressPreference = 'Continue'
         } catch {
-            Write-Err "Download failed: $_"
+            if ($FallbackUrl -and ($FallbackUrl -ne $Url)) {
+                Write-Warn "Primary download failed. Retrying with fallback URL: $FallbackUrl"
+                try {
+                    $ProgressPreference = 'SilentlyContinue'
+                    Invoke-WebRequest -Uri $FallbackUrl -OutFile $zipPath -UseBasicParsing
+                    $ProgressPreference = 'Continue'
+                } catch {
+                    Write-Err "Download failed: $_"
+                }
+            } else {
+                Write-Err "Download failed: $_"
+            }
         }
 
         Write-Info "Extracting..."
@@ -370,7 +385,8 @@ function Main {
     Write-Info "Latest release: $tag"
 
     $url = Get-DownloadUrl -Tag $tag -Platform $platform
-    Install-Lazygit -Url $url
+    $fallbackUrl = Get-DownloadUrl -Tag $FALLBACK_TAG -Platform $platform
+    Install-Lazygit -Url $url -FallbackUrl $fallbackUrl
 
     if ($AddToPath) {
         Add-ToUserPath -Dir $InstallDir