cache control

Author: deansheather

.github/workflows/release.yaml

@@ -158,9 +158,9 @@ jobs:
         if ($LASTEXITCODE -ne 0) { throw "Failed to generate new appcast" }
 
         # Upload the new appcast and signature to GCS.
-        & gsutil cp $newAppCastPath $env:APPCAST_GCS_URI
+        & gsutil -h "Cache-Control:no-cache,max-age=0" cp $newAppCastPath $env:APPCAST_GCS_URI
         if ($LASTEXITCODE -ne 0) { throw "Failed to upload new appcast" }
-        & gsutil cp $newAppCastSignaturePath $env:APPCAST_SIGNATURE_GCS_URI
+        & gsutil -h "Cache-Control:no-cache,max-age=0" cp $newAppCastSignaturePath $env:APPCAST_SIGNATURE_GCS_URI
         if ($LASTEXITCODE -ne 0) { throw "Failed to upload new appcast signature" }
       env:
         APPCAST_GCS_URI: gs://releases.coder.com/coder-desktop/windows/appcast.xml

scripts/Update-AppCast.ps1

@@ -27,7 +27,8 @@ param (
     [string] $channel,
 
     [Parameter(Mandatory = $false)]
-    [string] $pubDate = (Get-Date).ToUniversalTime().ToString("ddd, dd MMM yyyy HH:mm:ss +0000"),
+    [ValidatePattern("^\w{3}, \d{2} \w{3} \d{4} \d{2}:\d{2}:\d{2} \+00:00$")]
+    [string] $pubDate = (Get-Date).ToUniversalTime().ToString("ddd, dd MMM yyyy HH:mm:ss +00:00"),
 
     [Parameter(Mandatory = $true)]
     [ValidateScript({ Test-Path $_ })]