Get-AzureDevOpsTokenFromGit

Function Get-AzureDevOpsTokenFromGit
{
    Param
    (
        [Parameter(Mandatory = $true)]
        [string]
        $ProjectPath,

        [Parameter()]
        [string]
        $GitTokenHelperPath = "${env:ProgramFiles}/Git/mingw64/bin/git-credential-manager-core.exe"
    )

    if (-not (Test-Path -Path $GitTokenHelperPath))
    {
        throw "No git credential helper found at '$GetTokenHelperPath'"
    }

    $helperParams =
@"
protocol=https
host=dev.azure.com
path=$ProjectPath
"@

    $tokenData = $helperParams | & $GitTokenHelperPath get
    $token = ($tokenData | Select-String -Pattern "^password=.+" | Select-Object -First 1) -split '=' `
        | Select-Object -Last 1
    if (-not $token)
    {
        throw "No password in git credential helper output"
    }

    Write-Output $token
}