Fix crash when $MAIL is set but file is empty

Author: jwodder

CHANGELOG.md

@@ -1,3 +1,7 @@
+v0.7.2 (in development)
+-----------------------
+- Fix crash when `$MAIL` is set but file is empty
+
 v0.7.1 (2024-05-23)
 -------------------
 - Fixed support for custom venv prompt prefixes

src/jwodder_ps1/__init__.py

@@ -19,7 +19,7 @@
 Visit <https://github.com/jwodder/ps1.py> for more information.
 """
 
-__version__ = "0.7.1"
+__version__ = "0.7.2.dev1"
 __author__ = "John Thorvald Wodder II"
 __author_email__ = "ps1@varonathe.org"
 __license__ = "MIT"

src/jwodder_ps1/info.py

@@ -42,8 +42,7 @@ class PromptInfo:
     @classmethod
     def get(cls, git: bool = True, git_timeout: float = 3) -> PromptInfo:
         try:
-            if os.stat(os.environ["MAIL"]).st_size > 0:
-                mail = True
+            mail = os.stat(os.environ["MAIL"]).st_size > 0
         except (KeyError, FileNotFoundError):
             mail = False