codex-install.ps1

# Copyright 2026 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

$ErrorActionPreference = "Stop"

$pluginName = "data-agent-kit-starter-pack"
$repoUrl = "https://github.com/gemini-cli-extensions/data-agent-kit-starter-pack"
$pluginsRoot = Join-Path $HOME ".agents\plugins"
$installDir = Join-Path $pluginsRoot $pluginName
$marketplaceFile = Join-Path $pluginsRoot "marketplace.json"

function Invoke-GitCommand {
    param(
        [Parameter(Mandatory = $true)]
        [string[]] $Arguments
    )

    & git @Arguments
    if ($LASTEXITCODE -ne 0) {
        throw "git command failed: git $($Arguments -join ' ')"
    }
}

function Write-TextFileNoBom {
    param(
        [Parameter(Mandatory = $true)]
        [string] $Path,

        [Parameter(Mandatory = $true)]
        [string] $Content
    )

    if ($PSVersionTable.PSVersion.Major -ge 6) {
        $Content | Set-Content -LiteralPath $Path -Encoding utf8NoBOM
        return
    }

    # Windows PowerShell 5.1 lacks utf8NoBOM. For this file we only emit ASCII JSON,
    # so ASCII preserves valid JSON bytes while avoiding a UTF-8 BOM.
    $Content | Set-Content -LiteralPath $Path -Encoding ascii
}

Write-Host "--- $pluginName Installer for Codex ---"

New-Item -ItemType Directory -Force -Path $pluginsRoot | Out-Null

if (Test-Path $installDir) {
    try {
        & git -C $installDir rev-parse --is-inside-work-tree 2>$null | Out-Null
    } catch {
    }

    if ($LASTEXITCODE -eq 0) {
        Write-Host "Updating existing plugin at $installDir..."
        Invoke-GitCommand -Arguments @("-C", $installDir, "pull")
    } else {
        Write-Host "Existing directory at $installDir is not a valid git checkout. Reinstalling..."
        Remove-Item -LiteralPath $installDir -Recurse -Force
        Write-Host "Cloning plugin to $installDir..."
        Invoke-GitCommand -Arguments @("clone", $repoUrl, $installDir)
    }
} else {
    Write-Host "Cloning plugin to $installDir..."
    Invoke-GitCommand -Arguments @("clone", $repoUrl, $installDir)
}

if (-not (Test-Path $marketplaceFile)) {
    Write-Host "Creating new personal marketplace..."
    Write-TextFileNoBom -Path $marketplaceFile -Content '{"name":"personal","plugins":[]}'
}

Write-Host "Registering plugin in $marketplaceFile..."
$pluginJson = @"
{
  "name": "$pluginName",
  "interface": {
    "displayName": "Data Agent Kit Starter Pack"
  },
  "source": {
    "source": "local",
    "path": "./.agents/plugins/$pluginName"
  },
  "policy": {
    "installation": "AVAILABLE",
    "authentication": "ON_INSTALL"
  },
  "category": "Productivity"
}
"@

$marketplace = Get-Content -LiteralPath $marketplaceFile -Raw | ConvertFrom-Json
$newPlugin = $pluginJson | ConvertFrom-Json

if ($null -eq $marketplace.plugins) {
    $marketplace | Add-Member -MemberType NoteProperty -Name plugins -Value @()
} else {
    $marketplace.plugins = @($marketplace.plugins | Where-Object { $_.name -ne $pluginName })
}

$marketplace.plugins += $newPlugin
$marketplaceJson = $marketplace | ConvertTo-Json -Depth 10
$marketplaceJson = $marketplaceJson -replace '":\s+', '": '
Write-TextFileNoBom -Path $marketplaceFile -Content $marketplaceJson

Write-Host "Done! Restart Codex to use the $pluginName plugin."