Добавлено несколько проверок на существование директорий и файлов

.gitignore

@@ -0,0 +1 @@
+secrets.ps1

download_mods.ps1

@@ -2,6 +2,24 @@ $fileId = "13im-l6X2j-s5scZZlBvt2DCjYBbk2qI8"
 $baseUrl = "https://drive.google.com/uc?export=download&id=$fileId"
 $outputFile = "$env:TEMP\ruinship_mods.rar"
 
+$scriptDir = Split-Path -Parent $MyInvocation.MyCommand.Definition
+$rimworldMods = Resolve-Path (Join-Path $scriptDir "..")
+
+if (-not($rimworldMods -like "*Mods")) {
+	Write-Host "[Error] Place this program in the Mods folder of the RimWorld game" -ForegroundColor Red
+	Pause
+	exit
+}
+
+$ruinship_mod = Join-Path $rimworldMods "\ruinship_mods.rar"
+
+if (Test-Path $rimworldMods) {
+	Write-Host "[WARNING] The archive ruinship_mods.rar already exists" -ForegroundColor Yellow
+	Write-Host "[INFO] Deleting the archive..."
+	Remove-Item -Recurse -Force $ruinship_mod
+}
+
+Write-Host "[INFO] Sending a request to google disk..."
 $response = Invoke-WebRequest -Uri $baseUrl -SessionVariable session
 
 $form = $response.Forms | Where-Object { $_.Id -eq "download-form" }
@@ -27,13 +45,10 @@ else {
 	Write-Host "[INFO] The file was successfully downloaded directly."
 }
 
-$scriptDir = Split-Path -Parent $MyInvocation.MyCommand.Definition
-$rimworldMods = Resolve-Path (Join-Path $scriptDir "..")
-
 $sourceFolder = Get-ChildItem $outputFile | Select-Object -First 1
 Copy-Item -Path $sourceFolder.FullName -Destination $rimworldMods
 
 Write-Host "[INFO] Cleaning up..."
 Remove-Item $outputFile
 
-Write-Host "[INFO] The ruinship_mods.rar file has been installed to the path $rimworldMods. Please extract it to install all the necessary mods." -ForegroundColor Green
+Write-Host "The ruinship_mods.rar file has been installed to the path $rimworldMods. Please extract it to install all the necessary mods." -ForegroundColor Green

setup.bat

@@ -19,6 +19,10 @@ if "%1"=="-mode" (
 		call :ScenarioInstall
 		goto end
 	)
+	if "%2"=="all" (
+		call :installAll
+		goto end
+	)
 	echo Ошибка: Режима %2 не существует
 	goto end
 )