PowerShell · TravisEz13 · Nov 20, 2025 · Oct 20, 2025
@@ -62,6 +62,9 @@ runs:
       # Create the artifacts staging directory
       New-Item -ItemType Directory -Path "$env:BUILD_ARTIFACTSTAGINGDIRECTORY" -Force | Out-Null
 
+      # Import packaging module to ensure RPM packaging changes are loaded
+      Import-Module ./build.psm1 -Force
+      Import-Module ./tools/packaging/packaging.psm1 -Force
       Import-Module ./tools/ci.psm1
       Restore-PSOptions -PSOptionsPath '${{ runner.workspace }}/build/psoptions.json'
       $options = (Get-PSOptions)
@@ -75,6 +78,16 @@ runs:
       Invoke-CIFinish
     shell: pwsh
 
+  - name: Validate Package Names
+    run: |-
+      # Run Pester tests to validate package names
+      Import-Module Pester -Force
+      $testResults = Invoke-Pester -Path ./test/packaging/linux/package-validation.tests.ps1 -PassThru
+      if ($testResults.FailedCount -gt 0) {
+          throw "Package validation tests failed"
+      }
+    shell: pwsh
+
   - name: Upload deb packages
     uses: actions/upload-artifact@v4
     with:

@@ -53,6 +53,7 @@ jobs:
     # Set job outputs to values from filter step
     outputs:
       source: ${{ steps.filter.outputs.source }}
+      packagingChanged: ${{ steps.filter.outputs.packagingChanged }}
     steps:
       - name: checkout
         uses: actions/checkout@v5
@@ -239,7 +240,7 @@ jobs:
     needs:
       - ci_build
       - changes
-    if: ${{ needs.changes.outputs.source == 'true' }}
+    if: ${{ needs.changes.outputs.packagingChanged == 'true' }}
     runs-on: ubuntu-latest
     steps:
       - name: checkout

@@ -2401,11 +2401,24 @@ function Start-PSBootstrap {
             }
 
             # Install [fpm](https://github.com/jordansissel/fpm)
+            # Note: fpm is now only needed for DEB and macOS packages; RPM packages use rpmbuild directly
             if ($Scenario -eq 'Both' -or $Scenario -eq 'Package') {
-                Install-GlobalGem -Sudo $sudo -GemName "dotenv" -GemVersion "2.8.1"
-                Install-GlobalGem -Sudo $sudo -GemName "ffi" -GemVersion "1.16.3"
-                Install-GlobalGem -Sudo $sudo -GemName "fpm" -GemVersion "1.15.1"
-                Install-GlobalGem -Sudo $sudo -GemName "rexml" -GemVersion "3.2.5"
+                # Install fpm on Debian-based systems, macOS, and Mariner (where DEB packages are built)
+                if (($environment.IsLinux -and ($environment.IsDebianFamily -or $environment.IsMariner)) -or $environment.IsMacOS) {
+                    Install-GlobalGem -Sudo $sudo -GemName "dotenv" -GemVersion "2.8.1"
+                    Install-GlobalGem -Sudo $sudo -GemName "ffi" -GemVersion "1.16.3"
+                    Install-GlobalGem -Sudo $sudo -GemName "fpm" -GemVersion "1.15.1"
+                    Install-GlobalGem -Sudo $sudo -GemName "rexml" -GemVersion "3.2.5"
+                }
+
+                # For RPM-based systems, ensure rpmbuild is available
+                if ($environment.IsLinux -and ($environment.IsRedHatFamily -or $environment.IsSUSEFamily -or $environment.IsMariner)) {
+                    Write-Verbose -Verbose "Checking for rpmbuild..."
+                    if (!(Get-Command rpmbuild -ErrorAction SilentlyContinue)) {
+                        Write-Warning "rpmbuild not found. Installing rpm-build package..."
+                        Start-NativeExecution -sb ([ScriptBlock]::Create("$sudo $PackageManager install -y rpm-build")) -IgnoreExitcode
+                    }
+                }
             }
         }
 

diff --git a/test/packaging/linux/package-validation.tests.ps1 b/test/packaging/linux/package-validation.tests.ps1
@@ -0,0 +1,91 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
+Describe "Linux Package Name Validation" {
+    BeforeAll {
+        # Determine artifacts directory (GitHub Actions or Azure DevOps)
+        $artifactsDir = if ($env:GITHUB_ACTIONS -eq 'true') {
+            "$env:GITHUB_WORKSPACE/../packages"
+        } else {
+            $env:SYSTEM_ARTIFACTSDIRECTORY
+        }
+
+        if (-not $artifactsDir) {
+            throw "Artifacts directory not found. GITHUB_WORKSPACE or SYSTEM_ARTIFACTSDIRECTORY must be set."
+        }
+
+        Write-Verbose "Artifacts directory: $artifactsDir" -Verbose
+    }
+
+    Context "RPM Package Names" {
+        It "Should have valid RPM package names" {
+            $rpmPackages = Get-ChildItem -Path $artifactsDir -Recurse -Filter *.rpm -ErrorAction SilentlyContinue
+
+            if ($rpmPackages.Count -eq 0) {
+                Set-ItResult -Skipped -Because "No RPM packages found in artifacts directory"
+                return
+            }
+
+            $invalidPackages = @()
+            # Regex pattern for valid RPM package names.
+            # Breakdown:
+            # ^powershell\-           : Starts with 'powershell-'
+            # (preview-|lts-)?        : Optionally 'preview-' or 'lts-'
+            # \d+\.\d+\.\d+           : Version number (e.g., 7.6.0)
+            # (_[a-z]*\.\d+)?         : Optional underscore, letters, dot, and digits (e.g., _alpha.1)
+            # -1\.                    : Literal '-1.'
+            # (preview\.\d+\.)?       : Optional 'preview.' and digits, followed by a dot
+            # (rh|cm)\.               : Either 'rh.' or 'cm.'
+            # (x86_64|aarch64)\.rpm$  : Architecture and file extension
+            $rpmPackageNamePattern = 'powershell\-(preview-|lts-)?\d+\.\d+\.\d+(_[a-z]*\.\d+)?-1\.(preview\.\d+\.)?(rh|cm)\.(x86_64|aarch64)\.rpm'
+
+            foreach ($package in $rpmPackages) {
+                if ($package.Name -notmatch $rpmPackageNamePattern) {
+                    $invalidPackages += "$($package.Name) is not a valid RPM package name"
+                    Write-Warning "$($package.Name) is not a valid RPM package name"
+                }
+            }
+
+            if ($invalidPackages.Count -gt 0) {
+                throw ($invalidPackages | Out-String)
+            }
+
+            $rpmPackages.Count | Should -BeGreaterThan 0
+        }
+    }
+
+    Context "Tar.Gz Package Names" {
+        It "Should have valid tar.gz package names" {
+            $tarPackages = Get-ChildItem -Path $artifactsDir -Recurse -Filter *.tar.gz -ErrorAction SilentlyContinue
+
+            if ($tarPackages.Count -eq 0) {
+                Set-ItResult -Skipped -Because "No tar.gz packages found in artifacts directory"
+                return
+            }
+
+            $invalidPackages = @()
+            foreach ($package in $tarPackages) {
+                # Pattern matches: powershell-7.6.0-preview.6-linux-x64.tar.gz or powershell-7.6.0-linux-x64.tar.gz
+                # Also matches various runtime configurations
+                if ($package.Name -notmatch 'powershell-(lts-)?\d+\.\d+\.\d+\-([a-z]*.\d+\-)?(linux|osx|linux-musl)+\-(x64\-fxdependent|x64|arm32|arm64|x64\-musl-noopt\-fxdependent)\.(tar\.gz)') {
+                    $invalidPackages += "$($package.Name) is not a valid tar.gz package name"
+                    Write-Warning "$($package.Name) is not a valid tar.gz package name"
+                }
+            }
+
+            if ($invalidPackages.Count -gt 0) {
+                throw ($invalidPackages | Out-String)
+            }
+
+            $tarPackages.Count | Should -BeGreaterThan 0
+        }
+    }
+
+    Context "Package Existence" {
+        It "Should find at least one package in artifacts directory" {
+            $allPackages = Get-ChildItem -Path $artifactsDir -Recurse -Include *.rpm, *.tar.gz, *.deb -ErrorAction SilentlyContinue
+
+            $allPackages.Count | Should -BeGreaterThan 0 -Because "At least one package should exist in the artifacts directory"
+        }
+    }
+}
@@ -874,16 +874,36 @@ function New-LinuxPackage
             $packageObj = $package
         }
 
-        Write-Log -message "Artifacts directory: ${env:BUILD_ARTIFACTSTAGINGDIRECTORY}"
-        Copy-Item $packageObj.FullName -Destination "${env:BUILD_ARTIFACTSTAGINGDIRECTORY}" -Force
+        # Determine artifacts directory (GitHub Actions or Azure DevOps)
+        $artifactsDir = if ($env:GITHUB_ACTIONS -eq 'true') {
+            "${env:GITHUB_WORKSPACE}/../packages"
+        } else {
+            "${env:BUILD_ARTIFACTSTAGINGDIRECTORY}"
+        }
+
+        # Ensure artifacts directory exists
+        if (-not (Test-Path $artifactsDir)) {
+            New-Item -ItemType Directory -Path $artifactsDir -Force | Out-Null
+        }
+
+        Write-Log -message "Artifacts directory: $artifactsDir"
+        Copy-Item $packageObj.FullName -Destination $artifactsDir -Force
     }
 
     if ($IsLinux)
     {
+        # Determine artifacts directory (GitHub Actions or Azure DevOps)
+        $artifactsDir = if ($env:GITHUB_ACTIONS -eq 'true') {
+            "${env:GITHUB_WORKSPACE}/../packages"
+        } else {
+            "${env:BUILD_ARTIFACTSTAGINGDIRECTORY}"
+        }
+
         # Create and package Raspbian .tgz
+        # Build must be clean for Raspbian
         Start-PSBuild -PSModuleRestore -Clean -Runtime linux-arm -Configuration 'Release'
         $armPackage = Start-PSPackage @packageParams -Type tar-arm -SkipReleaseChecks
-        Copy-Item $armPackage -Destination "${env:BUILD_ARTIFACTSTAGINGDIRECTORY}" -Force
+        Copy-Item $armPackage -Destination $artifactsDir -Force
     }
 }