X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/65ea568e3301951f26e0e3b98f6d5dc80132e917..025d2ca4ba4f8e6e1f5915751eba972975dd9ff9:/black.py

diff --git a/black.py b/black.py
index f7022d8..3910392 100644
--- a/black.py
+++ b/black.py
@@ -51,14 +51,18 @@ from blib2to3.pgen2 import driver, token
 from blib2to3.pgen2.grammar import Grammar
 from blib2to3.pgen2.parse import ParseError
 
+from _version import get_versions
+
+v = get_versions()
+__version__ = v.get("closest-tag", v["version"])
+__git_version__ = v.get("full-revisionid")
 
-__version__ = "19.3b0"
 DEFAULT_LINE_LENGTH = 88
 DEFAULT_EXCLUDES = (
     r"/(\.eggs|\.git|\.hg|\.mypy_cache|\.nox|\.tox|\.venv|_build|buck-out|build|dist)/"
 )
 DEFAULT_INCLUDES = r"\.pyi?$"
-CACHE_DIR = Path(user_cache_dir("black", version=__version__))
+CACHE_DIR = Path(user_cache_dir("black", version=__git_version__))
 
 
 # types
@@ -1480,7 +1484,13 @@ class EmptyLineTracker:
         lines (two on module-level).
         """
         before, after = self._maybe_empty_lines(current_line)
-        before -= self.previous_after
+        before = (
+            # Black should not insert empty lines at the beginning
+            # of the file
+            0
+            if self.previous_line is None
+            else before - self.previous_after
+        )
         self.previous_after = after
         self.previous_line = current_line
         return before, after