TALXIS.SDK.DevOps.CDS.PowerShell

1.37

Functions/Development/Git/Get-GitBranch.ps1

function Get-GitBranch
{
    <#
  .Synopsis
  List branches.
  
  .Description
  Gets the local and remote branches for the repository.
  
  .Parameter Repository
  Path to the git repository. Can be relative or absolute. If not specified defaults to the current directory
  
  .Link
  https://git-scm.com/docs/git-branch
 #>
    [CmdletBinding()]
    param(
        [Parameter(Mandatory=$False,Position=1,ValueFromPipeline=$True)]
        [string]$Repository = ".\"
    )
    process
    {
        $Repository = Resolve-Path -Path $Repository
        Write-Verbose -Message "Getting local branches for $Repository"
        $ErrorCount = $Error.Count
        $Output = (git -C $Repository branch --no-color -vv --no-abbrev) 2>&1
        if ($Error.Count -gt $ErrorCount)
        {
            $Error | select -Skip $ErrorCount | ForEach-Object { Write-Error -ErrorRecord $_ }
            return
        }
        foreach ($line in $Output)
        {
            if ($line -imatch '(\*|\s)\s(\S+)\s+\-\>\s(\S+)')
            {
                Write-Output ([PSCustomObject]@{
                    Current = ($Matches[1] -eq '*')
                    Name = $Matches[2]
                    Hash = ""
                    Tracks = ""
                    DifferenceFromTrack = 0
                    PointsTo = $Matches[3]
                    Remote = $false
                    LastCommitMessage = ""
                })
            }
            elseif ($line -imatch '(\*|\s)\s(\S+)\s+([0-9a-f]{40})\s\[(\S+)\:\sbehind\s(\d+)\]\s(.+)')
            {
                Write-Output ([PSCustomObject]@{
                    Current = ($Matches[1] -eq '*')
                    Name = $Matches[2]
                    Hash = $Matches[3]
                    Tracks = $Matches[4]
                    DifferenceFromTrack = (-1 * [int]::Parse($Matches[5]))
                    PointsTo = ""
                    Remote = $false
                    LastCommitMessage = $Matches[6]
                })
            }
            elseif ($line -imatch '(\*|\s)\s(\S+)\s+([0-9a-f]{40})\s\[(\S+)\:\sahead\s(\d+)\]\s(.+)')
            {
                Write-Output ([PSCustomObject]@{
                    Current = ($Matches[1] -eq '*')
                    Name = $Matches[2]
                    Hash = $Matches[3]
                    Tracks = $Matches[4]
                    DifferenceFromTrack = ([int]::Parse($Matches[5]))
                    PointsTo = ""
                    Remote = $false
                    LastCommitMessage = $Matches[6]
                })
            }
            elseif ($line -imatch '(\*|\s)\s(\S+)\s+([0-9a-f]{40})\s\[(\S+)\]\s(.+)')
            {
                Write-Output ([PSCustomObject]@{
                    Current = ($Matches[1] -eq '*')
                    Name = $Matches[2]
                    Hash = $Matches[3]
                    Tracks = $Matches[4]
                    DifferenceFromTrack = 0
                    PointsTo = ""
                    Remote = $false
                    LastCommitMessage = $Matches[5]
                })
            }
            elseif ($line -imatch '(\*|\s)\s(\S+)\s+([0-9a-f]{40})\s(.+)')
            {
                Write-Output ([PSCustomObject]@{
                    Current = ($Matches[1] -eq '*')
                    Name = $Matches[2]
                    Hash = $Matches[3]
                    Tracks = ""
                    DifferenceFromTrack = 0
                    PointsTo = ""
                    Remote = $false
                    LastCommitMessage = $Matches[4]
                })
            }
        }
        Write-Verbose -Message "Getting remote branches for $Repository"
        $ErrorCount = $Error.Count
        $Output = (git -C $Repository branch --no-color -vv --no-abbrev -r) 2>&1
        if ($Error.Count -gt $ErrorCount)
        {
            $Error | select -Skip $ErrorCount | ForEach-Object { Write-Error -ErrorRecord $_ }
            return
        }
        foreach($line in $Output)
        {
            if ($line -imatch '(\*|\s)\s(\S+)\s+([0-9a-f]{40})\s(.+)')
            {
                Write-Output ([PSCustomObject]@{
                    Current = ($Matches[1] -eq '*')
                    Name = $Matches[2]
                    Hash = $Matches[3]
                    Tracks = ""
                    DifferenceFromTrack = 0
                    PointsTo = ""
                    Remote = $true
                    LastCommitMessage = $Matches[4]
                })
            }
            elseif ($line -imatch '(\*|\s)\s(\S+)\s+\-\>\s(\S+)')
            {
                Write-Output ([PSCustomObject]@{
                    Current = ($Matches[1] -eq '*')
                    Name = $Matches[2]
                    Hash = ""
                    Tracks = ""
                    DifferenceFromTrack = 0
                    PointsTo = $Matches[3]
                    Remote = $true
                    LastCommitMessage = ""
                })
            }
        }
    }
}