[ci] Try and fix the Windows CI downloading of GCC

Author: salkinium

.github/workflows/windows.yml

@@ -47,25 +47,84 @@ jobs:
       #     Invoke-WebRequest -OutFile gcc-win64.zip https://github.com/brechtsanders/winlibs_mingw/releases/download/14.2.0posix-19.1.7-12.0.0-msvcrt-r3/winlibs-x86_64-posix-seh-gcc-14.2.0-mingw-w64msvcrt-12.0.0-r3.zip
       #     [System.IO.Compression.ZipFile]::ExtractToDirectory("gcc-win64.zip", "C:\")
       #   }
+      # - name: Download and Unzip GCCs
+      #   shell: powershell
+      #   run: |
+      #     $ProgressPreference = 'SilentlyContinue'
+      #     Start-Job {
+      #       Set-Location $using:PWD
+      #       Invoke-WebRequest -OutFile gcc-arm-none-eabi-win64-14.zip https://developer.arm.com/-/media/Files/downloads/gnu/14.3.rel1/binrel/arm-gnu-toolchain-14.3.rel1-mingw-w64-x86_64-arm-none-eabi.zip
+      #       New-Item -Path "C:\" -Name "arm-none-eabi-14" -ItemType "Directory"
+      #       Expand-Archive -Path gcc-arm-none-eabi-win64-14.zip -DestinationPath C:\arm-none-eabi-14 -Force
+      #       Remove-Item gcc-arm-none-eabi-win64-14.zip
+      #     }
+      #     Start-Job {
+      #       Set-Location $using:PWD
+      #       Add-Type -Assembly "System.IO.Compression.Filesystem"
+      #       Invoke-WebRequest -OutFile gcc-avr-win64.zip https://github.com/ZakKemble/avr-gcc-build/releases/download/v14.1.0-1/avr-gcc-14.1.0-x64-windows.zip
+      #       [System.IO.Compression.ZipFile]::ExtractToDirectory("gcc-avr-win64.zip", "C:\")
+      #       Remove-Item gcc-avr-win64.zip
+      #     }
+      #     Get-Job | Wait-Job
+
       - name: Download and Unzip GCCs
         shell: powershell
         run: |
-          $ProgressPreference = 'SilentlyContinue'
-          Start-Job {
-            Set-Location $using:PWD
-            Invoke-WebRequest -OutFile gcc-arm-none-eabi-win64-14.zip https://developer.arm.com/-/media/Files/downloads/gnu/14.2.rel1/binrel/arm-gnu-toolchain-14.2.rel1-mingw-w64-x86_64-arm-none-eabi.zip
-            New-Item -Path "C:\" -Name "arm-none-eabi-14" -ItemType "Directory"
-            Expand-Archive -Path gcc-arm-none-eabi-win64-14.zip -DestinationPath C:\arm-none-eabi-14 -Force
-            Remove-Item gcc-arm-none-eabi-win64-14.zip
+          # enforce TLS 1.2 & set a browser-like User-Agent to avoid server blocking
+          [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+          $headers = @{ 'User-Agent' = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/115.0' }
+
+          function Try-Download {
+            param($url, $out)
+            $maxAttempts = 3
+            for ($i=1; $i -le $maxAttempts; $i++) {
+              Try {
+                Write-Host "Downloading $url (attempt $i/$maxAttempts)"
+                Invoke-WebRequest -Uri $url -OutFile $out -Headers $headers -ErrorAction Stop -TimeoutSec 600 -Verbose
+                return $true
+              } Catch {
+                Write-Warning "Attempt $i failed: $($_.Exception.Message)"
+                if ($_.Exception.Response) {
+                  try { Write-Host "Status: $($_.Exception.Response.StatusCode) $($_.Exception.Response.StatusDescription)" } catch {}
+                  try {
+                    $sr = New-Object System.IO.StreamReader ($_.Exception.Response.GetResponseStream())
+                    $body = $sr.ReadToEnd()
+                    Write-Host "Response body (truncated 8k): $($body.Substring(0,[Math]::Min(8192,$body.Length)))"
+                  } catch {}
+                }
+                Start-Sleep -Seconds (5 * $i)
+              }
+            }
+            return $false
           }
-          Start-Job {
-            Set-Location $using:PWD
-            Add-Type -Assembly "System.IO.Compression.Filesystem"
-            Invoke-WebRequest -OutFile gcc-avr-win64.zip https://github.com/ZakKemble/avr-gcc-build/releases/download/v14.1.0-1/avr-gcc-14.1.0-x64-windows.zip
-            [System.IO.Compression.ZipFile]::ExtractToDirectory("gcc-avr-win64.zip", "C:\")
-            Remove-Item gcc-avr-win64.zip
+
+          $armUrl = 'https://developer.arm.com/-/media/Files/downloads/gnu/14.3.rel1/binrel/arm-gnu-toolchain-14.3.rel1-mingw-w64-x86_64-arm-none-eabi.zip'
+          $armOut = 'gcc-arm-none-eabi-win64-14.zip'
+          $avrUrl = 'https://github.com/ZakKemble/avr-gcc-build/releases/download/v14.1.0-1/avr-gcc-14.1.0-x64-windows.zip'
+          $avrOut = 'gcc-avr-win64.zip'
+
+          if (-not (Try-Download $armUrl $armOut)) {
+            Write-Warning "Invoke-WebRequest failed for ARM URL, trying curl fallback (shows HTTP errors)."
+            $curlCmd = "curl.exe -L -A \"Mozilla/5.0\" --retry 5 --retry-connrefused -o $armOut \"$armUrl\""
+            Write-Host "Running: $curlCmd"
+            & cmd /c $curlCmd
+            if ($LASTEXITCODE -ne 0) { Write-Error "curl failed with code $LASTEXITCODE"; Exit 1 }
+          }
+
+          New-Item -Path 'C:\arm-none-eabi-14' -ItemType Directory -Force
+          Expand-Archive -Path $armOut -DestinationPath C:\arm-none-eabi-14 -Force
+          Remove-Item $armOut
+
+          if (-not (Try-Download $avrUrl $avrOut)) {
+            Write-Warning "AVR download failed with Invoke-WebRequest; trying curl fallback."
+            $curlCmd = "curl.exe -L -A \"Mozilla/5.0\" --retry 5 --retry-connrefused -o $avrOut \"$avrUrl\""
+            Write-Host "Running: $curlCmd"
+            & cmd /c $curlCmd
+            if ($LASTEXITCODE -ne 0) { Write-Error "curl failed with code $LASTEXITCODE"; Exit 1 }
           }
-          Get-Job | Wait-Job
+          Add-Type -Assembly 'System.IO.Compression.FileSystem'
+          [System.IO.Compression.ZipFile]::ExtractToDirectory($avrOut, 'C:\')
+          Remove-Item $avrOut
 
       # No need for this anymore
       # dir C:\mingw64