Initial PowerShell script which makes the offline installer

Author: chyndman

scripts/make-installer.ps1

@@ -0,0 +1,105 @@
+#### Output functions
+function Err ($str)
+{
+	Write-Host " Error | " -foregroundcolor "red" -NoNewline
+	Write-Host "$str"
+}
+function Info ($str)
+{
+	Write-Host "  Info | " -foregroundcolor "green" -NoNewline
+	Write-Host "$str"
+}
+function ExitMsg ()
+{
+	Err("Something went wrong while making the offline installer.  Elixir was not installed to your computer.")
+	Err("You can report this issue at https://github.com/chyndman/elixir-windows-setup/issues")
+	Write-Host "         " -NoNewline
+	pause
+	exit
+}
+
+#### Initializations
+$cd = (Get-Item -Path ".\" -Verbose).FullName
+$isccDefine = ""
+$isccDir = (Get-Item -Path ".\" -Verbose).FullName
+$elixirVersion = ""
+
+#### Script
+Info("Current directory:")
+Info("    $cd")
+
+Info("Reading arguments...")
+foreach ($arg in $args)
+{
+	Info("    $arg")
+	if ($arg = "--innoelixirweb")
+	{
+		$isccDefine = "/dSkipPages /dNoCompression"
+	}
+}
+Info("Finished reading arguments")
+
+Info("Checking for ISCC.exe in $isccDir...")
+if (Test-Path $isccDir\ISCC.exe)
+{
+	Info("ISCC path: $isccDir\ISCC.exe")
+}
+else
+{
+	Err("ISCC.exe not found in $isccDir")
+	ExitMsg
+}
+
+Info("Checking for elixir directory...")
+if (Test-Path .\elixir)
+{
+	Info("elixir directory exists")
+}
+else
+{
+	Info("Not found, checking for Precompiled.zip...")
+	if (Test-Path .\Precompiled.zip)
+	{
+		Info("Precompiled.zip found")
+		$zipPath = .\Precompiled.zip
+		$zipDest = .\elixir
+		
+		Info("Creating $zipDest...")
+		New-Item $zipDest -type directory -force
+
+		Info("Extracting files into $zipDest...")
+		$shell = New-Object -com Shell.Application
+		$zipFile = $shell.NameSpace($zipPath)
+		foreach ($item in $zipFile.items())
+		{
+			$shell.Namespace($zipDest).copyhere($item)
+		}
+	}
+	else
+	{
+		Err("Precompiled.zip not found")
+		ExitMsg
+	}
+}
+
+if ($elixirVersion -eq "")
+{
+	Info("Reading Elixir version from elixir\VERSION...")
+	$versionFile = Get-Content .\elixir\VERSION
+	$elixirVersion = $versionFile[0]
+	Info("Elixir version: $elixirVersion")
+}
+
+$isccDefine += " /dElixirVersion=" + $elixirVersion
+
+Info("Running $iscc $isccDefine Elixir.iss")
+& $iscc $isccDefine Elixir.iss
+if ($LastExitCode -eq 0)
+{
+	Info("Installer compiled successfully to .\Output")
+}
+else
+{
+	Err("ISCC.exe failed with exit code $LastExitCode")
+	ExitMsg
+}