Remove-GitContext.ps1

<#
    .SYNOPSIS
        Removes git extraheader for AzD project from pipeline after terraform has feteched modules from AzD repo
    .DESCRIPTION

    .PARAMETER AzDteamAccountURL
        Azure DevOps account url
        https://dev.azure.com/AccountName

    .PARAMETER Verbose
        If set will print git system config content to log

    .NOTES
        AUTHOR: Morten Lerudjordet
#>
[CmdletBinding()]
param(
    [Parameter(Mandatory = $true)]
    [ValidateNotNullorEmpty()]
    [string]$AzDaccountURL
)
try {
    Write-Host -Object "Task started at time: $(get-Date -format r).`nRunning PS version: $($PSVersionTable.PSVersion)`nOn agent: $($env:computername)"

    $GitTempConfigFileName = ".gitconfig.$($env:Release_ReleaseId)"

    if ($VerbosePreference -ne 'SilentlyContinue') {
        Write-Host -Object "Getting list of git global config from agent"
        $GitCommand = "& `"$env:ProgramFiles\Git\cmd\git.exe`" config --global --list"
        $GitCommandResult = Invoke-Expression -Command $GitCommand -ErrorAction SilentlyContinue -ErrorVariable oErr
        if ($oErr) {
            Write-Error -Message "Failed to run git command to list global config: $AzDaccountURL.`nError: $($oErr.Message)" -ErrorAction Stop
        }
        if ($GitCommandResult) {
            Write-Host -Object "List from global config:"
            Write-Host -Object $GitCommandResult
        }
    }

    Write-Host -Object "Removing git extraheader from agent config for $AzDaccountURL"
    $GitCommand = "& `"$env:ProgramFiles\Git\cmd\git.exe`" config --global --unset include.path `"$GitTempConfigFileName`""
    $GitCommandResult = Invoke-Expression -Command $GitCommand -ErrorAction SilentlyContinue -ErrorVariable oErr
    if ($oErr) {
        Write-Error -Message "Failed to run git command for clearing extraheader.`nError: $($oErr.Message)" -ErrorAction Stop
    }
    if ($GitCommandResult) {
        Write-Host -Object "Output from git command:"
        Write-Host -Object $GitCommandResult
        Write-Error -Message "Unexpected output from clearing extraheader for $AzDaccountURL" -ErrorAction Stop
    }
    else {
        Write-Host -Object "Successfully removed temp git config file from global config"
    }
    if ($VerbosePreference -ne 'SilentlyContinue') {
        Write-Host -Object "Getting list of git global config from agent"
        $GitCommand = "& `"$env:ProgramFiles\Git\cmd\git.exe`" config --global --list"
        $GitCommandResult = Invoke-Expression -Command $GitCommand -ErrorAction SilentlyContinue -ErrorVariable oErr
        if ($oErr) {
            Write-Error -Message "Failed to run git command to list global config: $AzDaccountURL.`nError: $($oErr.Message)" -ErrorAction Stop
        }
        if ($GitCommandResult) {
            Write-Host -Object "List from global config:"
            Write-Host -Object $GitCommandResult
        }
    }
}
catch {
    if ($_.Exception.Message) {
        Write-Error -Message "$($_.Exception.Message)" -ErrorAction Continue
        Write-Host -Object "##[error]$($_.Exception.Message)"
    }
    else {
        Write-Error -Message "$($_.Exception)" -ErrorAction Continue
        Write-Host -Object "##[error]$($_.Exception)"
    }
}
finally {
    Write-Host -Object "Task ended at time: $(get-Date -format r)"
}