Update __version__.py

yaqd_gdrive/__version__.py

@@ -2,6 +2,7 @@
 
 
 import pathlib
+import subprocess
 
 
 here = pathlib.Path(__file__).resolve().parent
@@ -14,16 +15,14 @@ __all__ = ["__version__", "__branch__"]
 with open(str(here / "VERSION")) as f:
     __version__ = f.read().strip()
 
+try:
+    __branch__ = (
+        subprocess.run(["git", "branch", "--show-current"], capture_output=True, cwd=here)
+        .stdout.strip()
+        .decode()
+    )
+except:
+    __branch__ = ""
 
-# add git branch, if appropriate
-p = here.parent / ".git"
-if p.is_file():
-    with open(str(p)) as f:
-        p = p.parent / f.readline()[8:].strip()  # Strip "gitdir: "
-p = p / "HEAD"
-if p.exists():
-    with open(str(p)) as f:
-        __branch__ = f.readline().rstrip().split(r"/")[-1]
+if __branch__:
     __version__ += "+" + __branch__
-else:
-    __branch__ = ""