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

install-helix.ps1

@@ -58,7 +58,8 @@ function Write-Err     { param([string]$msg) Write-Host "[ERROR] $msg" -Foregrou
 # 상수 정의
 # ────────────────────────────────────────────
 $REPO = "helix-editor/helix"
-$API_URL = "https://api.github.com/repos/$REPO/releases/latest"
+$API_URL = "https://api.github.com/repos/$REPO/releases"
+$FALLBACK_TAG = "25.07.1"
 $HELIX_CONFIG_DIR = Join-Path $env:APPDATA "helix"
 
 # ────────────────────────────────────────────
@@ -76,27 +77,37 @@ function Main {
 
     # 2) GitHub 최신 릴리스 정보 획득
     Write-Info "Fetching latest Helix release information from GitHub API..."
+    $release = $null
+    $tagName = $FALLBACK_TAG
     try {
-        $release = Invoke-RestMethod -Uri $API_URL -UseBasicParsing -Headers @{ 'User-Agent' = 'install-helix-ps1' }
+        $releases = Invoke-RestMethod -Uri $API_URL -UseBasicParsing -Headers @{ 'User-Agent' = 'install-helix-ps1' } -TimeoutSec 15
+        $release = $releases | Where-Object { $_.prerelease -eq $false -and $_.assets -and $_.assets.Count -gt 0 } | Select-Object -First 1
+        if ($release -and $release.tag_name) {
+            $tagName = $release.tag_name
+        }
     } catch {
-        Write-Err "GitHub API call failed: $_"
+        Write-Warn "GitHub API call failed: $_. Using fallback tag: $FALLBACK_TAG"
     }
 
-    $tagName = $release.tag_name
     $version = $tagName -replace '^v', ''
-    Write-Info "Latest Helix version confirmed: $tagName"
+    Write-Info "Target Helix version: $tagName"
 
     # 3) 윈도우 x86_64용 zip 파일 에셋 탐색
-    $asset = $release.assets | Where-Object { $_.name -like "*-x86_64-windows.zip" } | Select-Object -First 1
+    $asset = $null
+    if ($release -and $release.assets) {
+        $asset = $release.assets | Where-Object { $_.name -like "*-x86_64-windows.zip" } | Select-Object -First 1
+    }
     if (-not $asset) {
-        # 에셋 조회가 되지 않을 경우 릴리스 패턴에 맞추어 다운로드 URL 직접 빌드
         $zipName = "helix-${version}-x86_64-windows.zip"
         $downloadUrl = "https://github.com/$REPO/releases/download/$tagName/$zipName"
-        Write-Warn "Could not find asset in GitHub response. Trying fallback URL: $downloadUrl"
+        Write-Info "Resolved URL: $downloadUrl"
     } else {
         $zipName = $asset.name
         $downloadUrl = $asset.browser_download_url
     }
+    $fallbackVersion = $FALLBACK_TAG -replace '^v', ''
+    $fallbackZipName = "helix-${fallbackVersion}-x86_64-windows.zip"
+    $fallbackUrl = "https://github.com/$REPO/releases/download/$FALLBACK_TAG/$fallbackZipName"
 
     # 4) 임시 작업 디렉토리 생성 및 아카이브 다운로드
     $tmpDir = Join-Path $env:TEMP "helix_install_$(Get-Random)"
@@ -105,8 +116,17 @@ function Main {
 
     try {
         Write-Info "Downloading archive: $downloadUrl"
-        $ProgressPreference = 'SilentlyContinue' # 다운로드 속도 향상을 위해 진행바 숨김
-        Invoke-WebRequest -Uri $downloadUrl -OutFile $tmpZipPath -UseBasicParsing
+        $ProgressPreference = 'SilentlyContinue'
+        try {
+            Invoke-WebRequest -Uri $downloadUrl -OutFile $tmpZipPath -UseBasicParsing
+        } catch {
+            if ($downloadUrl -ne $fallbackUrl) {
+                Write-Warn "Primary download failed. Retrying with fallback version ($FALLBACK_TAG): $fallbackUrl"
+                Invoke-WebRequest -Uri $fallbackUrl -OutFile $tmpZipPath -UseBasicParsing
+            } else {
+                throw
+            }
+        }
         $ProgressPreference = 'Continue'
 
         # 5) 압축 해제