echo ""
echo "Security: requires administrator approval to install"
-powershell -Command "Start-Process cmd -Verb RunAs -ArgumentList '/c cd /d %CD% && dism.exe /online /enable-feature /featurename:Microsoft-Windows-Subsystem-Linux /all'"
-# /norestart
+IF ($Env:WEBI_HOST -eq $null -or $Env:WEBI_HOST -eq "") { $Env:WEBI_HOST = "https://webinstall.dev" }
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!"
-echo "!!! Reboot REQUIRED !!!"
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!"
+# From https://devblogs.microsoft.com/scripting/use-a-powershell-function-to-see-if-a-command-exists/
+Function Test-CommandExists
+{
+ Param ($command)
+ $oldPreference = $ErrorActionPreference
+ $ErrorActionPreference = 'stop'
+ try {if(Get-Command $command){RETURN $true}}
+ Catch {RETURN $false}
+ Finally {$ErrorActionPreference=$oldPreference}
+}
+
+
+# $MYPWD = (Get-Item .).FullName
+& curl.exe -fsSA "MS" -o "$Env:TEMP\install-wsl2.ps1" "$Env:WEBI_HOST/packages/wsl/install-wsl.ps1"
+powershell -Command "Start-Process cmd -Wait -Verb RunAs -ArgumentList '/c cd /d %CD% && powershell -ExecutionPolicy Bypass $Env:TEMP\install-wsl2.ps1'"
+
+IF(!(Test-CommandExists wsl))
+{
+ echo "Warning: Skipping 3 of 5: Reboot Required to install WSL 2 !!"
+}
+
+echo ""
+IF ((Test-Path -Path "$Env:UserProfile\Downloads\webi\Ubuntu_2004_x64.appx" )) {
+ echo "Skipping 4 of 5: Ubuntu Linux 20.04 already installed"
+} ELSE {
+ echo "Installing 4 of 5 Ubuntu Linux 20.04 (for WSL 1 and WSL 2) ..."
+ curl.exe -fL -o "$Env:UserProfile\Downloads\webi\Ubuntu_2004_x64.appx.part" https://aka.ms/wslubuntu2004
+ & move "$Env:UserProfile\Downloads\webi\Ubuntu_2004_x64.appx.part" "$Env:UserProfile\Downloads\webi\Ubuntu_2004_x64.appx"
+ Add-AppxPackage "$Env:UserProfile\Downloads\webi\Ubuntu_2004_x64.appx"
+}
+
+echo ""
+echo ""
+echo ""
+echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
+echo "!!! !!!"
+echo "!!! ACTION REQUIRED !!!"
+echo "!!! READ CAREFULLY! !!!"
+echo "!!! !!!"
+echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
+
+IF(!(Test-CommandExists wsl))
+{
+ echo ""
+ echo "WSL 2 was NOT installed yet. FOLLOW these instructions:"
+ echo ""
+ echo " 1. REBOOT you computer to finish the WSL 1 install"
+ echo " (either click Start Menu => Restart, or run 'shutdown /r /t 5')"
+ echo ""
+ echo " 2. RE-RUN this WSL 2 installer"
+ echo " (WSL 2 cannot finish installing until the WSL 1 install is complete)"
+ echo ""
+ echo " 3. WSL 2 must be enabled manually. See https://webinstall.dev/wsl2"
+ echo ""
+
+ Exit
+}
+
+echo ""
+echo "You must ALSO run UBUNTU LINUX from the START MENU to complete the install."
+echo ""
+echo " - Select Ubuntu Linux from the Search menu or Start Menu"
+echo " - Wait for the initialization to complete"
+echo " - Choose a username (we recommend 'app') and a password"
echo ""