Draft Nushell Scoop Windows Terminal profile helper prototype for ScoopInstaller/Main#8421

nu.windows-terminal-profile.prototype.ps1

[CmdletBinding()]
param(
    [switch] $Remove,
    [string] $FragmentRoot = [System.IO.Path]::Combine(
        $env:LOCALAPPDATA,
        'Microsoft',
        'Windows Terminal',
        'Fragments',
        'Nushell'
    ),
    [string] $NuPath
)

$ErrorActionPreference = 'Stop'
$fragmentPath = Join-Path $FragmentRoot 'nu.json'

if ($Remove) {
    if (Test-Path -LiteralPath $fragmentPath) {
        Remove-Item -LiteralPath $fragmentPath -Force
        Write-Host "Removed the Windows Terminal profile fragment at '$fragmentPath'."
    }
    if ((Test-Path -LiteralPath $FragmentRoot) -and
        -not (Get-ChildItem -LiteralPath $FragmentRoot -Force)) {
        Remove-Item -LiteralPath $FragmentRoot -Force
    }
    return
}

if (-not $NuPath) {
    $prefix = (& scoop prefix nu | Select-Object -Last 1)
    if (-not $prefix) {
        throw "Could not determine Nushell's Scoop installation directory."
    }
    $NuPath = Join-Path $prefix 'nu.exe'
}

$NuPath = [System.IO.Path]::GetFullPath($NuPath)
if (-not (Test-Path -LiteralPath $NuPath -PathType Leaf)) {
    throw "Nushell executable not found at '$NuPath'."
}

$profile = [ordered]@{
    profiles = @(
        [ordered]@{
            guid        = '{d289a49c-671b-589c-b313-577976c1e147}'
            name        = 'Nushell'
            commandline = '"{0}"' -f $NuPath
            icon        = $NuPath
            hidden      = $false
        }
    )
}

New-Item -ItemType Directory -Path $FragmentRoot -Force | Out-Null
$json = $profile | ConvertTo-Json -Depth 4
$tempPath = Join-Path $FragmentRoot 'nu.json.tmp'
$utf8WithoutBom = New-Object System.Text.UTF8Encoding($false)

try {
    [System.IO.File]::WriteAllText($tempPath, $json, $utf8WithoutBom)
    Move-Item -LiteralPath $tempPath -Destination $fragmentPath -Force
} finally {
    Remove-Item -LiteralPath $tempPath -Force -ErrorAction SilentlyContinue
}

Write-Host "Added or updated the Windows Terminal profile fragment at '$fragmentPath'."

nu.windows-terminal-profile.sample.json

{
    "profiles": [
        {
            "guid": "{d289a49c-671b-589c-b313-577976c1e147}",
            "name": "Nushell",
            "commandline": "%USERPROFILE%\\scoop\\shims\\nu.exe",
            "icon": "%USERPROFILE%\\scoop\\apps\\nu\\current\\nu.exe",
            "hidden": false
        }
    ]
}