From 513c6454361298a1ba30fc1ac0aa7997e1a53b3f Mon Sep 17 00:00:00 2001
From: Anthony Perkins <anthony@acperkins.com>
Date: Tue, 2 Jul 2024 09:14:07 +0100
Subject: [PATCH] Check for $PSStyle variable

---
 .../files/Microsoft.PowerShell_profile.ps1    | 76 ++++++++++---------
 1 file changed, 39 insertions(+), 37 deletions(-)

diff --git a/roles/home-cli/files/Microsoft.PowerShell_profile.ps1 b/roles/home-cli/files/Microsoft.PowerShell_profile.ps1
index 35c9e15..3e13281 100644
--- a/roles/home-cli/files/Microsoft.PowerShell_profile.ps1
+++ b/roles/home-cli/files/Microsoft.PowerShell_profile.ps1
@@ -115,44 +115,46 @@ Set-PSReadLineKeyHandler -Chord Shift+Spacebar -Function SelfInsert
 
 # Colours for a light-coloured terminal.
 # https://learn.microsoft.com/en-us/powershell/scripting/learn/shell/using-light-theme?view=powershell-7.2
-$ISETheme = @{
-    Command                  = $PSStyle.Foreground.FromRGB(0x0000FF)
-    Comment                  = $PSStyle.Foreground.FromRGB(0x006400)
-    ContinuationPrompt       = $PSStyle.Foreground.FromRGB(0x0000FF)
-    Default                  = $PSStyle.Foreground.FromRGB(0x0000FF)
-    Emphasis                 = $PSStyle.Foreground.FromRGB(0x287BF0)
-    Error                    = $PSStyle.Foreground.FromRGB(0xE50000)
-    InlinePrediction         = $PSStyle.Foreground.FromRGB(0x93A1A1)
-    Keyword                  = $PSStyle.Foreground.FromRGB(0x00008b)
-    #ListPrediction           = $PSStyle.Foreground.FromRGB(0x06DE00)
-    Member                   = $PSStyle.Foreground.FromRGB(0x000000)
-    Number                   = $PSStyle.Foreground.FromRGB(0x800080)
-    Operator                 = $PSStyle.Foreground.FromRGB(0x757575)
-    Parameter                = $PSStyle.Foreground.FromRGB(0x000080)
-    String                   = $PSStyle.Foreground.FromRGB(0x8b0000)
-    Type                     = $PSStyle.Foreground.FromRGB(0x008080)
-    Variable                 = $PSStyle.Foreground.FromRGB(0xff4500)
-    #ListPredictionSelected   = $PSStyle.Background.FromRGB(0x93A1A1)
-    Selection                = $PSStyle.Background.FromRGB(0x00BFFF)
+if ($null -ne $PSStyle) {
+    $ISETheme = @{
+        Command                  = $PSStyle.Foreground.FromRGB(0x0000FF)
+        Comment                  = $PSStyle.Foreground.FromRGB(0x006400)
+        ContinuationPrompt       = $PSStyle.Foreground.FromRGB(0x0000FF)
+        Default                  = $PSStyle.Foreground.FromRGB(0x0000FF)
+        Emphasis                 = $PSStyle.Foreground.FromRGB(0x287BF0)
+        Error                    = $PSStyle.Foreground.FromRGB(0xE50000)
+        InlinePrediction         = $PSStyle.Foreground.FromRGB(0x93A1A1)
+        Keyword                  = $PSStyle.Foreground.FromRGB(0x00008b)
+        #ListPrediction           = $PSStyle.Foreground.FromRGB(0x06DE00)
+        Member                   = $PSStyle.Foreground.FromRGB(0x000000)
+        Number                   = $PSStyle.Foreground.FromRGB(0x800080)
+        Operator                 = $PSStyle.Foreground.FromRGB(0x757575)
+        Parameter                = $PSStyle.Foreground.FromRGB(0x000080)
+        String                   = $PSStyle.Foreground.FromRGB(0x8b0000)
+        Type                     = $PSStyle.Foreground.FromRGB(0x008080)
+        Variable                 = $PSStyle.Foreground.FromRGB(0xff4500)
+        #ListPredictionSelected   = $PSStyle.Background.FromRGB(0x93A1A1)
+        Selection                = $PSStyle.Background.FromRGB(0x00BFFF)
+    }
+    Set-PSReadLineOption -Colors $ISETheme
+    $PSStyle.Formatting.FormatAccent       = "`e[32m"
+    $PSStyle.Formatting.TableHeader        = "`e[32m"
+    $PSStyle.Formatting.ErrorAccent        = "`e[36m"
+    $PSStyle.Formatting.Error              = "`e[31m"
+    $PSStyle.Formatting.Warning            = "`e[33m"
+    $PSStyle.Formatting.Verbose            = "`e[33m"
+    $PSStyle.Formatting.Debug              = "`e[33m"
+    $PSStyle.Progress.Style                = "`e[33m"
+    $PSStyle.FileInfo.Directory            = $PSStyle.Background.FromRgb(0x2f6aff) +
+                                             $PSStyle.Foreground.BrightWhite
+    $PSStyle.FileInfo.SymbolicLink         = "`e[36m"
+    $PSStyle.FileInfo.Executable           = "`e[95m"
+    $PSStyle.FileInfo.Extension['.ps1']    = "`e[36m"
+    $PSStyle.FileInfo.Extension['.ps1xml'] = "`e[36m"
+    $PSStyle.FileInfo.Extension['.psd1']   = "`e[36m"
+    $PSStyle.FileInfo.Extension['.psm1']   = "`e[36m"
+    Remove-Variable ISETheme
 }
-Set-PSReadLineOption -Colors $ISETheme
-$PSStyle.Formatting.FormatAccent       = "`e[32m"
-$PSStyle.Formatting.TableHeader        = "`e[32m"
-$PSStyle.Formatting.ErrorAccent        = "`e[36m"
-$PSStyle.Formatting.Error              = "`e[31m"
-$PSStyle.Formatting.Warning            = "`e[33m"
-$PSStyle.Formatting.Verbose            = "`e[33m"
-$PSStyle.Formatting.Debug              = "`e[33m"
-$PSStyle.Progress.Style                = "`e[33m"
-$PSStyle.FileInfo.Directory            = $PSStyle.Background.FromRgb(0x2f6aff) +
-                                         $PSStyle.Foreground.BrightWhite
-$PSStyle.FileInfo.SymbolicLink         = "`e[36m"
-$PSStyle.FileInfo.Executable           = "`e[95m"
-$PSStyle.FileInfo.Extension['.ps1']    = "`e[36m"
-$PSStyle.FileInfo.Extension['.ps1xml'] = "`e[36m"
-$PSStyle.FileInfo.Extension['.psd1']   = "`e[36m"
-$PSStyle.FileInfo.Extension['.psm1']   = "`e[36m"
-Remove-Variable ISETheme
 
 # Keep this at the end.
 if (Test-Path "$PSScriptRoot/local.ps1") {