win_stat: Add stat.isreg support (#27732)

* win_stat: Add stat.isreg support

This PR includes the following changes:
- Adds stat.isreg support (cfr. the stat module)
- Always returns stat.isdir, stat.islnk, stat.isreg, stat.isshared

* Remove the controversial part

lib/ansible/modules/windows/win_stat.ps1

@@ -78,7 +78,9 @@ $checksum_algorithm = Get-AnsibleParam -obj $params -name "checksum_algorithm" -
 
 $result = @{
     changed = $false
-    stat = @{}
+    stat = @{
+        exists = $false
+    }
 }
 
 # Backward compatibility
@@ -93,6 +95,7 @@ If (Test-Path -Path $path)
     # Initial values
     $result.stat.isdir = $false
     $result.stat.islnk = $false
+    $result.stat.isreg = $false
     $result.stat.isshared = $false
 
     # Need to use -Force so it picks up hidden files
@@ -160,8 +163,9 @@ If (Test-Path -Path $path)
     }
     Else
     {
-        $result.stat.size = $info.Length
         $result.stat.extension = $info.Extension
+        $result.stat.isreg = $true
+        $result.stat.size = $info.Length
 
         If ($get_md5) {
             $result.stat.md5 = Get-FileChecksum -path $path -algorithm "md5"
@@ -172,9 +176,5 @@ If (Test-Path -Path $path)
         }
     }
 }
-Else
-{
-    $result.stat.exists = $false
-}
 
 Exit-Json $result

lib/ansible/modules/windows/win_stat.py

@@ -173,6 +173,11 @@ stat:
             returned: success, path exists
             type: boolean
             sample: True
+        isreg:
+            description: if the path is a regular file
+            returned: success, path exists
+            type: boolean
+            sample: True
         isshared:
             description: if the path is shared or not
             returned: success, path exists