Update the man help file used in packaging (PowerShell#5173)

* Update pacakging.psm1 and rename man file

* Update pwsh.1.ronn

Author: daxian-dbw

.gitignore

@@ -51,9 +51,6 @@ DELETE_ME_TO_DISABLE_CONSOLEHOST_TELEMETRY
 # default location for produced nuget packages
 /nuget-artifacts
 
-# generated man files
-/assets/powershell.1*
-
 # resgen output
 gen
 

assets/powershell.1.ronn assets/pwsh.1.ronnassets/powershell.1.ronn renamed to assets/pwsh.1.ronn

@@ -1,9 +1,9 @@
-powershell(1) -- command-line shell and .NET REPL
+pwsh(1) -- PowerShell command-line shell and .NET REPL
 =================================================
 
 ## SYNOPSIS
 
-`powershell` [`-NoLogo`] [`-NoExit`] [`-NoProfile`] [`-NonInteractive`]
+`pwsh` [`-NoLogo`] [`-NoExit`] [`-NoProfile`] [`-NonInteractive`]
 [`-InputFormat` {Text | XML}] [`-OutputFormat` {Text | XML}]
 [`-EncodedCommand` <Base64EncodedCommand>]
 [`-File` <filePath> <args>] [`-ExecutionPolicy` <ExecutionPolicy>]
@@ -120,4 +120,4 @@ These are automatically defined PowerShell-language variables.
 ## COPYRIGHT
 
 Copyright (c) 2016 Microsoft Corporation.
-All rights reserved.
+All rights reserved.

tools/packaging/packaging.psm1

@@ -493,20 +493,16 @@ function New-UnixPackage {
             }
 
             # run ronn to convert man page to roff
-            $RonnFile = Join-Path $PSScriptRoot "/../../assets/powershell.1.ronn"
+            $RonnFile = Join-Path $PSScriptRoot "/../../assets/pwsh.1.ronn"
             $RoffFile = $RonnFile -replace "\.ronn$"
 
             # Run ronn on assets file
             # Run does not play well with files named powershell6.0.1, so we generate and then rename
             Start-NativeExecution { ronn --roff $RonnFile }
 
-            # Setup for side-by-side man pages (noop if primary package)
-            $FixedRoffFile = $RoffFile -replace "powershell.1$", "pwsh.1"
-            Move-Item $RoffFile $FixedRoffFile
-
             # gzip in assets directory
-            $GzipFile = "$FixedRoffFile.gz"
-            Start-NativeExecution { gzip -f $FixedRoffFile }
+            $GzipFile = "$RoffFile.gz"
+            Start-NativeExecution { gzip -f $RoffFile }
 
             $ManFile = Join-Path "/usr/local/share/man/man1" (Split-Path -Leaf $GzipFile)