From 9d642b5a1a2e4c0f6b938dcd1423ad20dcdb8a78 Mon Sep 17 00:00:00 2001
From: dyoder <dyoder@emberkom.com>
Date: Mon, 7 Sep 2020 15:30:26 -0400
Subject: [PATCH] update

---
 Update-Revit2020.ps1 | 50 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 Update-Revit2020.ps1

diff --git a/Update-Revit2020.ps1 b/Update-Revit2020.ps1
new file mode 100644
index 0000000..d8afcde
--- /dev/null
+++ b/Update-Revit2020.ps1
@@ -0,0 +1,50 @@
+param([string]$UpdateDirectory)
+
+## They friendly version of Revit we're updating
+$RevitVersion = "2020"
+
+## The exact version of Revit we need to compare against
+$UpdateVersion = Get-Version "20.2.20.31"
+
+## Registry key to find the existing version of Revit to update
+$RegKey = "HKLM:SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Revit ${RevitVersion}"
+
+## Make sure Revit is installed
+If ( Test-Path $RegKey )
+{
+    ## Make sure the directory with the updates exists
+    If ( Test-Path $UpdateDirectory )
+    {
+        ## Make sure Revit isn't currently running
+        $RevitClosed = $true
+        Get-Process | Where { $_.Name -like "Revit" } | Select-Object -ExpandProperty Path | ForEach-Object { If ( $_ -match $RevitVersion ) { $RevitClosed = $false } }
+
+        If ( $RevitClosed )
+        {
+            ## Get the existing Revit version number
+            $ExistingVersion = Get-Version $(Get-ItemProperty -Path $RegKey -ErrorAction Stop).DisplayVersion
+
+            If ( $ExistingVersion -lt $UpdateVersion )
+            {
+                ## Install MSI packages
+                Get-ChildItem -Path $UpdateDirectory -Filter *.msi | ForEach-Object {
+                    $msi = $_.FullName
+                    Write-Output "Installing ${msi}"
+                    Try  { Start-Process "msiexec.exe" -ArgumentList "/i ""${msi}"" /qn /norestart" -Wait }
+    	            Catch { Write-Output $_.Exception.Message }
+                }
+                ## Install MSP updates
+                Get-ChildItem -Path $UpdateDirectory -Filter *.msp | ForEach-Object {
+                    $msp = $_.FullName
+                    Write-Output "Installing ${msp}"
+                    Try  { Start-Process "msiexec.exe" -ArgumentList "/update ""${msp}"" /qn /norestart" -Wait }
+    	            Catch { Write-Output $_.Exception.Message }
+                }
+            }
+            Else { Write-Output "Revit ${RevitVersion} is already up-to-date" }
+        }
+        Else { Write-Output "Revit ${RevitVersion} is currently running and will not be updated" }
+    }
+    Else { Write-Output "The specified directory does not exist: ${UpdateDirectory}" }
+}
+Else { Write-Output "Revit ${RevitVersion} is not installed" }