Subversion Repositories DevTools

<#

.SYNOPSIS

This Powershell script will update the repo-Wide hook in all the Repos

.DESCRIPTION

	This Powershell script update the repo-Wide hook in all the Repos on

    the current machine and the named servers

	It will

		Locate the Repository Root

        Copy *.cmd file from the root into each Repo Subdir

            Unless the special hooks/specialhooks file exists

        Process each Named server

            Copy the global files to the server

            Copy the global files to each (non-special) repo on the server

.PARAMETER	Servers

A list of Slave servers that are a part of the subversion network

The hooks will be propergated to all the servers and all the Repos on all the Servers

.EXAMPLE

UpdateHooks.ps1 -Servers auawsasvn001,cloudasvn03

.NOTES

Uses a number of cmdlets provided by VisualSVN.

#>

#

Param

(

    [ parameter () ]

    [string[]] $Servers

)

#

#   Get information on a named repo

function GetRepoInfo( $repoName )

{

    $repoData = Get-CimInstance -Namespace "root\VisualSVN" -ClassName VisualSVN_Repository | Where { $_.Name -eq $repoName } 

    Return $RepoData

}

#

#   Get information on a named repo on the named Computer

function GetRemoteRepoInfo( $repoName, $ComputerName )

{

    $repoData = Get-CimInstance -Namespace "root\VisualSVN" -ClassName VisualSVN_Repository -ComputerName $ComputerName | Where { $_.Name -eq $repoName } 

    Return $RepoData

}

#

#   Get information on the current SVN server

#

function GetSvnInfo()

{

    $repoData = Get-CimInstance -Namespace "root\VisualSVN" -ClassName VisualSVN_Service

    Return $RepoData

}

#

#   Get information on the SVN server on the named Computer

#

function GetRemoteSvnInfo($ComputerName)

{

    $repoData = Get-CimInstance -Namespace "root\VisualSVN" -ClassName VisualSVN_Service -ComputerName $ComputerName 

    Return $RepoData

}

#

# Convert Absolute Path to UNC on a named computer

#

Function AbsToUnc( $ComputerName, $absPath )

{

    return '\\' + $ComputerName + '\' + $absPath.Replace(":","$")

}

#

# Test a server to see if it exists

#

Function CheckServer( $ComputerName)

{

    $testSession = New-CimSession $ComputerName -ErrorAction Ignore

    If($testSession -eq $null)

    {

        #Write-Error "The named computer ($ComputerName) does not exist" -Category InvalidArgument

        Return $false    

    }

    Remove-CimSession $testSession

    Return $true

}

#

# Determine the root of the Repositores

$SvnInfo = GetSvnInfo

if ($SvnInfo -eq $null)

{

    Write-Error 'Cannot get VisualSVN info'

    Exit

}

# Validate the Repo Root

$repoRoot = $SvnInfo.RepositoriesRoot

If (!(Test-Path $repoRoot)) 

{

    Write-Error 'RepositoriesRoot - Does not exist'

    Exit

}

#

# Process each Repo

$HookSrc = $repoRoot

Get-CimInstance -Namespace "root\VisualSVN" -ClassName VisualSVN_Repository | Sort-Object Name | ForEach-Object {

    $hookPath = $_.Path  + '/hooks'

    $repoName = $_.Name

    If (!(Test-Path ($hookPath + '/specialhooks')))

    {

        $HookFileCount = 0

        Get-ChildItem $HookSrc -Filter '*.cmd' | ForEach-Object {

            $srcFile = $_.Name

            Copy-Item $_.FullName -Destination $hookPath 

            $HookFileCount++

        }

        Write-Host ("{0,20} : {1}" -f $repoName, "Hooks copied: $HookFileCount")

    }

    else

    {

        Write-Host ("{0,20} : {1}" -f $repoName, "SPECIAL - No hooks copied")

    }

}

#

# Process named servers

#

If ($Servers)

{

    $Servers | ForEach-Object{

        $Server = $_

        Write-Host 'Server:' $Server

        If ( ! (CheckServer $Server))

        {

            Write-Host -ForegroundColor Red "The server ($Server) does not exist"

            Return

        }

        #

        #

        $remoteServer = GetRemoteSvnInfo ($Server)

        $remoteRepoBase =  AbsToUnc $Server $remoteServer.RepositoriesRoot

        $HookFileCount = 0

        Get-ChildItem $HookSrc -Filter '*.cmd' | ForEach-Object {

            $srcFile = $_.Name

            Copy-Item $_.FullName -Destination $remoteRepoBase 

            $HookFileCount++

        }

        Write-Host ("{0,20}, {1,20} : {2}" -f $Server, 'Global Hooks', "Hooks copied: $HookFileCount")

        #

        # Update all Repos on the Server

        #

        Get-CimInstance -Namespace "root\VisualSVN" -ClassName VisualSVN_Repository -ComputerName $Server | Sort-Object Name | ForEach-Object {

            $hookPath = AbsToUnc $Server ($_.Path  + '\hooks')

            $repoName = $_.Name

            If (!(Test-Path ($hookPath + '\specialhooks')))

            {

                $HookFileCount = 0

                Get-ChildItem $HookSrc -Filter '*.cmd' | ForEach-Object {

                    $srcFile = $_.Name

                    Copy-Item $_.FullName -Destination $hookPath 

                    $HookFileCount++

                }

                Write-Host ("{0,20}, {1,20} : {2}" -f $Server, $repoName, "Hooks copied: $HookFileCount")

            }

            else

            {

                Write-Host ("{0,20}, {1,20} : {2}" -f $Server, $repoName, "SPECIAL - No hooks copied")

            }

        }

    }

}