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

install-bottom.ps1

@@ -1,4 +1,4 @@
-#Requires -Version 5.1
+#Requires -Version 5.1
 <#
 .SYNOPSIS
     Installs bottom(btm) process monitor from GitHub Nightly releases.
@@ -46,8 +46,9 @@ $ErrorActionPreference = 'Stop'
 # ────────────────────────────────────────────
 # Constants
 # ────────────────────────────────────────────
-$REPO    = "ClementTsang/bottom"
-$API_URL = "https://api.github.com/repos/$REPO/releases"
+$REPO         = "ClementTsang/bottom"
+$API_URL      = "https://api.github.com/repos/$REPO/releases"
+$FALLBACK_TAG = "0.12.3"
 
 # ────────────────────────────────────────────
 # Utility functions
@@ -98,25 +99,26 @@ function Get-Platform {
 # Get latest Nightly release tag
 # ────────────────────────────────────────────
 function Get-LatestNightlyTag {
-    Write-Info "Fetching latest Nightly release from GitHub API..."
+    Write-Info "Fetching latest release from GitHub API..."
 
     try {
         $releases = Invoke-RestMethod -Uri $API_URL -UseBasicParsing `
-            -Headers @{ 'User-Agent' = 'install-bottom-ps1' }
+            -Headers @{ 'User-Agent' = 'install-bottom-ps1' } -TimeoutSec 15
+
+        $nightly = $releases | Where-Object {
+            $_.assets -and $_.assets.Count -gt 0 -and
+            (($_.prerelease -eq $true -and $_.tag_name -like 'nightly-*') -or $_.prerelease -eq $false)
+        } | Select-Object -First 1
+
+        if ($nightly -and $nightly.tag_name) {
+            return $nightly.tag_name
+        }
     } catch {
-        Write-Err "Failed to call GitHub API: $_"
+        Write-Warn "GitHub API lookup failed: $_"
     }
 
-    # Get first item where prerelease=true and tag_name starts with 'nightly-'
-    $nightly = $releases | Where-Object {
-        $_.prerelease -eq $true -and $_.tag_name -like 'nightly-*'
-    } | Select-Object -First 1
-
-    if (-not $nightly) {
-        Write-Err "Could not find Nightly release."
-    }
-
-    return $nightly.tag_name
+    Write-Warn "Using fallback release tag: $FALLBACK_TAG"
+    return $FALLBACK_TAG
 }
 
 # ────────────────────────────────────────────
@@ -132,7 +134,7 @@ function Get-DownloadUrl {
 # Download, extract & install
 # ────────────────────────────────────────────
 function Install-Bottom {
-    param([string]$Url)
+    param([string]$Url, [string]$FallbackUrl)
 
     # Create temp directory
     $tmpDir = Join-Path $env:TEMP "bottom_install_$(Get-Random)"
@@ -143,12 +145,22 @@ function Install-Bottom {
 
         Write-Info "Downloading: $Url"
         try {
-            # Suppress progress bar in PowerShell 5+
             $ProgressPreference = 'SilentlyContinue'
             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..."
@@ -220,10 +232,11 @@ function Main {
     Write-Info "Detected platform: $triple"
 
     $tag = Get-LatestNightlyTag
-    Write-Info "Latest Nightly tag: $tag"
+    Write-Info "Release tag: $tag"
 
     $url = Get-DownloadUrl -Tag $tag -Triple $triple
-    Install-Bottom -Url $url
+    $fallbackUrl = Get-DownloadUrl -Tag $FALLBACK_TAG -Triple $triple
+    Install-Bottom -Url $url -FallbackUrl $fallbackUrl
 
     if ($AddToPath) {
         Add-ToUserPath -Dir $InstallDir