Fixing download latest from feed script

setting nightly build to true for testing

fixing script to see if it works

fixing syntax

switching back to using nightly build conditional param

Author: aishwaryabh

eng/ci/templates/official/steps/download-latest-from-feed.yml

@@ -14,14 +14,35 @@ steps:
     script: |
       # Fetch the latest version of the func-cli package from the feed. All packages should have the
       # same package version as it is based on the CLI version + build number (which is date based)
-      $packageUrl = "https://feeds.dev.azure.com/azfunc/internal/_apis/packaging/feeds/core-tools-nightly-build/packages/a998de77-f16c-4c10-af8c-cfa5a430eae7?api-version=7.1"
       $headers = @{ Authorization = "Bearer $env:SYSTEM_ACCESSTOKEN" }
 
-      $response = Invoke-RestMethod -Uri $packageUrl -Headers $headers -Method Get
-      $latestVersion = $response.versions[0].version
-
-      Write-Host "##vso[task.setvariable variable=FUNC_CLI_VERSION]$latestVersion"
-      Write-Host "Using func-cli version: $latestVersion"
+      function Get-LatestPackageVersion {
+        param($packageName)
+        
+        $searchUrl = "https://feeds.dev.azure.com/azfunc/internal/_apis/packaging/feeds/core-tools-nightly-build/packages?packageNameQuery=$packageName&api-version=7.1"
+        $searchResponse = Invoke-RestMethod -Uri $searchUrl -Headers $headers -Method Get
+        $package = $searchResponse.value | Where-Object { $_.name -eq $packageName } | Select-Object -First 1
+        
+        if ($package) {
+          $packageUrl = "https://feeds.dev.azure.com/azfunc/internal/_apis/packaging/feeds/core-tools-nightly-build/packages/$($package.id)?api-version=7.1"
+          $packageDetails = Invoke-RestMethod -Uri $packageUrl -Headers $headers -Method Get
+          return $packageDetails.versions[0].version
+        }
+        return $null
+      }
+      
+      # Get version for each package
+      $funcCliVersion = Get-LatestPackageVersion -packageName "func-cli"
+      Write-Host "##vso[task.setvariable variable=FUNC_CLI_VERSION]$funcCliVersion"
+      Write-Host "func-cli version: $funcCliVersion"
+      
+      $funcCliInprocVersion = Get-LatestPackageVersion -packageName "func-cli-inproc"
+      Write-Host "##vso[task.setvariable variable=FUNC_CLI_INPROC_VERSION]$funcCliInprocVersion"
+      Write-Host "func-cli-inproc version: $funcCliInprocVersion"
+      
+      $funcCliHostVersion = Get-LatestPackageVersion -packageName "func-cli-host"
+      Write-Host "##vso[task.setvariable variable=FUNC_CLI_HOST_VERSION]$funcCliHostVersion"
+      Write-Host "func-cli-host version: $funcCliHostVersion"
   env:
     SYSTEM_ACCESSTOKEN: $(System.AccessToken)
 
@@ -41,7 +62,7 @@ steps:
       packageType: 'upack'
       feed: 'internal/core-tools-nightly-build'
       definition: 'func-cli-inproc'
-      version: '$(FUNC_CLI_VERSION)'
+      version: '$(FUNC_CLI_INPROC_VERSION)'
       downloadPath: '$(Pipeline.Workspace)/func-cli-inproc'
 
   - task: DownloadPackage@1
@@ -50,5 +71,5 @@ steps:
       packageType: 'upack'
       feed: 'internal/core-tools-nightly-build'
       definition: 'func-cli-host'
-      version: '$(FUNC_CLI_VERSION)'
+      version: '$(FUNC_CLI_HOST_VERSION)'
       downloadPath: '$(Pipeline.Workspace)/func-cli-host'