allow theme override

Author: yusufakg

Microsoft.PowerShell_profile.ps1

@@ -642,23 +642,28 @@ $scriptblock = {
 }
 Register-ArgumentCompleter -Native -CommandName dotnet -ScriptBlock $scriptblock
 
-# Oh My Posh initialization with local theme fallback and auto-download
-$localThemePath = Join-Path (Get-ProfileDir) "cobalt2.omp.json"
-if (-not (Test-Path $localThemePath)) {
-    # Try to download the theme file to the detected local path
-    $themeUrl = "https://raw.githubusercontent.com/JanDeDobbeleer/oh-my-posh/main/themes/cobalt2.omp.json"
-    try {
-        Invoke-RestMethod -Uri $themeUrl -OutFile $localThemePath
-        Write-Host "Downloaded missing Oh My Posh theme to $localThemePath"
-    } catch {
-        Write-Warning "Failed to download theme file. Falling back to remote theme. Error: $_"
-    }
-}
-if (Test-Path $localThemePath) {
-    oh-my-posh init pwsh --config $localThemePath | Invoke-Expression
+# If function "Get-Theme_Override" is defined in profile.ps1 file, call it instead.
+if (Get-Command -Name "Get-Theme_Override" -ErrorAction SilentlyContinue) {
+  Get-Theme_Override
 } else {
-    # Fallback to remote theme if local file doesn't exist
-    oh-my-posh init pwsh --config https://raw.githubusercontent.com/JanDeDobbeleer/oh-my-posh/main/themes/cobalt2.omp.json | Invoke-Expression
+    # Oh My Posh initialization with local theme fallback and auto-download
+    $localThemePath = Join-Path (Get-ProfileDir) "cobalt2.omp.json"
+    if (-not (Test-Path $localThemePath)) {
+        # Try to download the theme file to the detected local path
+        $themeUrl = "https://raw.githubusercontent.com/JanDeDobbeleer/oh-my-posh/main/themes/cobalt2.omp.json"
+        try {
+            Invoke-RestMethod -Uri $themeUrl -OutFile $localThemePath
+            Write-Host "Downloaded missing Oh My Posh theme to $localThemePath"
+        } catch {
+            Write-Warning "Failed to download theme file. Falling back to remote theme. Error: $_"
+        }
+    }
+    if (Test-Path $localThemePath) {
+        oh-my-posh init pwsh --config $localThemePath | Invoke-Expression
+    } else {
+        # Fallback to remote theme if local file doesn't exist
+        oh-my-posh init pwsh --config https://raw.githubusercontent.com/JanDeDobbeleer/oh-my-posh/main/themes/cobalt2.omp.json | Invoke-Expression
+    }
 }
 
 if (Get-Command zoxide -ErrorAction SilentlyContinue) {