source_info: add within_git_repo method

Check for git files and folders, including those of parents.

Signed-off-by:  Eric Callahan <[email protected]>

moonraker/utils/source_info.py

@@ -23,9 +23,19 @@ def source_path() -> pathlib.Path:
 
 def is_git_repo(src_path: Optional[pathlib.Path] = None) -> bool:
     if src_path is None:
-        return source_path().joinpath(".git").is_dir()
+        src_path = source_path()
     return src_path.joinpath(".git").is_dir()
 
+def within_git_repo(src_path: Optional[pathlib.Path] = None) -> bool:
+    if src_path is None:
+        src_path = source_path()
+    if src_path.joinpath(".git").is_dir():
+        return True
+    for parent in src_path.parents:
+        if parent.joinpath(".git").is_dir():
+            return True
+    return False
+
 def is_dist_package(src_path: Optional[pathlib.Path] = None) -> bool:
     if src_path is None:
         # Check Moonraker's source path