Update JetBrains github copilot plugin to allow current Rider EAP version

github_copilot_eap.ps1

#!/usr/bin/env -S pwsh -noProfile -nologo

<#
  .NOTES
  ============================================================
    Last Edit:    10/20/2024
    Created by:   instance.id (https://github.com/instance-id)
    Platform:     Linux/Windows
    Filename:     github_copilot_eap.ps1
    PSVersion:    Last tested with 7.4.x
  ============================================================
  .DESCRIPTION
    Edit the github copilot Jetbrains plugin to allow it to work in the current Rider EAP
    If the current version is 243.* but the plugin only allows 242.*, setting the parameter `-eapVersion '3'` will update the plugin to 243.*
    10/20/24 - If no source path is provided, downloads the latest nightly into the current directory and updates it
  .EXAMPLE
    ./github_copilot_eap.ps1 -sourcePath 'github-copilot-intellij-1.5.25.21-nightly.zip' -eapVersion '3'
#>

param(
  [string]$sourcePath = '',
  [string]$eapVersion = '3'
)

$currentPath = $PSScriptRoot

function DownloadNightly() {
  $latestNightly = $(curl -s "https://plugins.jetbrains.com/api/plugins/17718/updates?channel=nightly&page=1&size=8") | ConvertFrom-Json
  $latestPlugin = "https://downloads.marketplace.jetbrains.com/files/$($latestNightly[0].file)"

  $pluginBaseName = $latestNightly[0].file -replace '17718/\d*/', ''

  write-host "Downloading ${pluginBaseName} from $latestPlugin"

  # Download the latest nightly version
  Invoke-WebRequest -Uri $latestPlugin -OutFile $pluginBaseName

  return $pluginBaseName
}

if (-not (Test-Path $sourcePath)) {
  write-host "Downloading the latest nightly version of the github copilot plugin"

  $downloadedPath = [System.IO.Path]::Combine($currentPath, $(DownloadNightly))
  if (-not (Test-Path $downloadedPath)) {
    throw "Could not download the latest nightly version of the github copilot plugin"
  } else {
    $sourcePath = $downloadedPath
  }
}

$sourceFile = [System.IO.Path]::GetFileName($sourcePath)

if (($sourceFile -notmatch 'github-copilot-intellij') -or ($sourceFile.EndsWith('.zip') -eq $false)) {
  throw "Source file must be a github-copilot-intellij zip file"
}

$fileBaseName = [System.IO.Path]::GetFileNameWithoutExtension($sourceFile)
$fileNameJar = "${fileBaseName}.jar"
$pluginJar = "github-copilot-intellij/lib/${fileNameJar}"

$innerFilePathInJar = "META-INF/plugin.xml"

$sourceZip = $null
$jarFile = $null
$jarStream = $null
$jarArchive = $null
$pluginXmlStream = $null
$pluginXmlWriter = $null

try {
  $sourceZip = [System.IO.Compression.ZipFile]::Open($sourcePath, 'Update')

  $jarFile = $sourceZip.GetEntry($pluginJar)
  if ($jarFile -eq $null) {
    throw "Could not find ${pluginJar} in ${sourceFile}"
  }

  $jarStream = $jarFile.Open()
  if ($jarStream -eq $null) {
    throw "Could not open ${pluginJar} in ${sourceFile}"
  }

  $jarArchive = [System.IO.Compression.ZipArchive]::new($jarStream, [System.IO.Compression.ZipArchiveMode]::Update)
  if ($jarArchive -eq $null) {
    throw "Could not open ${pluginJar} in ${sourceFile}"
  }

  $pluginXml = $jarArchive.GetEntry($innerFilePathInJar)
  if ($pluginXml -eq $null) {
    throw "Could not find ${innerFilePathInJar} in ${pluginJar}"
  }

  $pluginXmlStream = $pluginXml.Open()
  $pluginXmlReader = [System.IO.StreamReader]::new($pluginXmlStream)

  $pluginXmlContent = $pluginXmlReader.ReadToEnd()

  $pluginXmlReader.Close()
  $pluginXmlStream.Close()

  [xml]$xmlDoc = $pluginXmlContent

  $ideaVersionNode = $xmlDoc.'idea-plugin'.'idea-version'
  if ($null -eq $ideaVersionNode) {
    throw "Could not find 'idea-version' node in ${innerFilePathInJar}"
  }

  $untilBuildAttr = $ideaVersionNode.'until-build'
  if ($null -eq $untilBuildAttr) {
    throw "Could not find 'until-build' attribute in 'idea-version' node"
  }

  $untilBuildValue = $ideaVersionNode.'until-build'
  if ($untilBuildValue -match '(\d)(\d)(\d)(\.\*)') {
    $firstPart = [int]$matches[1]
    $secondPart = [int]$matches[2]
    $fourthPart = $matches[4]

    $newUntilBuildValue = "${firstPart}$(($secondPart+1))$eapVersion$($fourthPart)"
    if ($newUntilBuildValue -eq $untilBuildValue) {
      write-host "The 'until-build' attribute value is already set to the expected value"
      exit 0
    }

    $ideaVersionNode.'until-build' = $newUntilBuildValue
  } else {
    throw "The 'until-build' attribute value does not match the expected pattern"
  }

  $pluginXmlStream = $pluginXml.Open()
  $pluginXmlWriter = [System.IO.StreamWriter]::new($pluginXmlStream)
  $xmlDoc.Save($pluginXmlWriter)

  $pluginXmlWriter.Close()
  $pluginXmlStream.Close()

  $jarArchive.Dispose()
  $jarStream.Close()

  $sourceZip.Dispose()

  write-host "Updated the 'until-build' attribute value in ${innerFilePathInJar} to ${newUntilBuildValue}"
} catch { $_ }
finally {
  if ($null -ne $jarArchive) { $jarArchive.Dispose() }
  if ($null -ne $jarStream) { $jarStream.Close() }
  if ($null -ne $pluginXmlStream) { $pluginXmlStream.Close() }
  if ($null -ne $pluginXmlWriter) { $pluginXmlWriter.Close() }
  if ($null -ne $sourceZip) { $sourceZip.Dispose() }
}

Updated to support going from Ex: 243.* to 251.*