Powershell script for TeamCity that creates and deploys a release on Octopus Deploy based on the current branch

DeployToOctopus.ps1

function Is-Default-Branch {
    return "%teamcity.build.branch.is_default%" -eq "true"
}

function Build-Arguments {
    if (Is-Default-Branch) {
        $releaseNumber = "%octopus.master.releaseNumber%"
        $deployTo = "%octopus.master.deployTo%"
        $packageVersion = "%octopus.master.packageVersion%"
    }
    else {
        $releaseNumber = "%octopus.release.releaseNumber%"
        $deployTo = "%octopus.release.deployTo%"
        $packageVersion = "%octopus.release.packageVersion%"
    }
    
    $args = @()
    $args += "create-release"
    $args += "--server=%octopus.url%"
    $args += "--apikey=%octopus.apikey%"
    $args += "--project=%octopus.project%"
    $args += "--version=$releaseNumber"
    $args += "--deployto=$deployTo"
    $args += "--packageversion=$packageVersion"
    $args += "--force"
    $args += "--enableservicemessages"
    $args += "--progress"
    
    if ("%octopus.waitForDeployment%" -eq "true") {
        $args += "--waitfordeployment"
    }
    
    return $args
}

function Secure-Sensitive-Data {
    return $input -Replace "(--apikey)(=.*)$", '$1 SECRET'
}

$octo = Join-Path -Path "%teamcity.tool.octopus%" -ChildPath "octo.exe"
$args = Build-Arguments

Write-Host "--"
Write-Host "Executing octo.exe..."
Write-Host "source   : $octo"
Write-Host "arguments:", ($args | Secure-Sensitive-Data)

& $octo $args | Out-String

if (-Not $?) {
    Exit $LASTEXITCODE
}