Scoop Bootstrap Generator: Mirror scoop configuration for a new device from an existing - superset of 'scoop export' #scoop

scoop-bootstrap-generator.ps1

<#

.SYNOPSIS
Scoop Bootstrap Script Generator

.DESCRIPTION
Create a scoop bootstrap, copying config from an existing installation.

.EXAMPLE
PS C:\> ./scoop-bootstrap-generator.ps1 | Out-File scoop-bootstrap.ps1

.LINK
Scoop homepage: https://scoop.sh/

.NOTES
Run on machine with installed and configured scoop, and pipe output to file or Set-Clipboard.
Run that output file on a new machine and scoop configuration will mirror the source machine.

#>

Function Write-Header {
    @'
<#

.SYNOPSIS
Scoop Bootstrap Script

.DESCRIPTION
Installs scoop, apps, sets configuration and aliases.

.EXAMPLE
PS C:\> ./scoop-bootstrap.ps1

.LINK
Scoop homepage: https://scoop.sh/

.NOTES

'@

    "Generated from {0} on {1}" -f $env:computername, (Get-Date)


    @'

#>

'@
}

Function Write-ScoopInstall {
    @'
if (-not (Get-Command 'scoop' -ErrorAction SilentlyContinue)) {
    Write-Host -ForegroundColor Yellow 'Installing scoop'
    
    Set-ExecutionPolicy RemoteSigned -Scope CurrentUser

    if (-not ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]'Administrator')) {
        Invoke-WebRequest -UseBasicParsing get.scoop.sh | Invoke-Expression
    } else {
        if ($Host.UI.PromptForChoice("Confirm", "Install scoop as admin?" -f $args[0], ("&Yes", "&No"), 1) -eq 0) {
            Invoke-Expression "& {$(Invoke-RestMethod get.scoop.sh)} -RunAsAdmin"
        } else {
            return
        }
    }
}
'@
}

Function Write-Config {
    @'
Write-Host -ForegroundColor Yellow 'Adding config'

'@

    # NOTE: Required because 'scoop config' returns a PSCustomObject
    $config = scoop config
    $configs = $config | Get-Member -MemberType NoteProperty | Select-Object -ExpandProperty Name | ForEach-Object { [PSCustomObject]@{ Name = $_; Value = $config.$_ } }

    $configs | Where-Object Name -notin @( 'alias', 'scoop_repo', 'last_update', 'scoop_branch' ) `
    | ForEach-Object { "scoop config $($_.Name) '$($_.Value)'" }
}


Function Write-Buckets {
    @'

Write-Host -ForegroundColor Yellow 'Adding buckets'

'@

    # NOTE: Redirection neeed. See https://github.com/ScoopInstaller/Scoop/issues/5216
    $apps = scoop list 6> $null | Select-Object Source, Name | Sort-Object -Property @{ Expression = { $_.Source -eq 'main' }; Descending = $true }, Name

    # Determine what buckets we'll need
    # git is required for buckets
    'scoop install main/git'

    # main is installed by default
    $apps | Select-Object -Unique Source | Where-Object Source -ne 'main' | ForEach-Object {
        "scoop bucket add $($_.Source)"
    }
}

Function Write-Apps {
    @'

Write-Host -ForegroundColor Yellow 'Installing apps'

'@

    # NOTE: Redirection neeed. See https://github.com/ScoopInstaller/Scoop/issues/5216
    $apps = scoop list 6> $null | Select-Object Source, Name | Sort-Object -Property @{ Expression = { $_.Source -eq 'main' }; Descending = $true }, Name

    $apps | ForEach-Object {
        "scoop install $($_.Source)/$($_.Name)"
    }
}

Function Write-Export {
    @'

Write-Host -ForegroundColor Yellow 'Installing git'

'@

    # git is required for buckets
    # See https://github.com/ScoopInstaller/Scoop/issues/5252
    'scoop install main/git'

    @'

Write-Host -ForegroundColor Yellow 'Importing configuration'

'@

    '$tempfile = [IO.Path]::GetTempFileName()'
    '@'''
    scoop export --config
    '''@ | Out-File $tempfile'
    ''
    'scoop import $tempfile'
    'Remove-Item $tempfile'
}

Function Write-Aliases {
    # NOTE: This is required as 'scoop alias list' doesn't include descriptions
    # NOTE: How to get scoop home folder?
    $aliases = Get-ChildItem -LiteralPath "${env:HOMEDRIVE}${env:HOMEPATH}/scoop/shims" -File -Recurse -Filter 'scoop-*.ps1' `
    | Select-Object @{Name = 'Name'; Expression = { $_.BaseName.SubString(6) } }, @{Name = 'Command'; Expression = { Get-Content $_.FullName `
            | Select-String -Pattern '^# Summary: (.*)' -NotMatch }
    }, @{Name = 'Summary'; Expression = { (Get-Content $_.FullName | Select-String -Pattern '^# Summary: (.*)').Matches[0].Groups[1] } }

    @'

Write-Host -ForegroundColor Yellow 'Adding aliases'

'@

    $aliases | ForEach-Object {
        "scoop alias add '$($_.Name)' '$($_.Command)' '$($_.Summary)'"
    }
}

if (-not (Get-Command 'scoop' -ErrorAction SilentlyContinue)) {
    'This script must be run on a machine that has scoop installed and configured.'
    return
}

Write-Header
Write-ScoopInstall

# Write-Config
# Write-Buckets
# Write-Apps

Write-Export

Write-Aliases