Merge pull request #91 from te-je/master

Case-insensitive path comparison for git on windows. Fixes #89

Author: RonnyPfannschmidt

setuptools_scm/git.py

@@ -1,6 +1,6 @@
 from .utils import do, do_ex, trace
 from .version import meta
-from os.path import abspath, realpath
+from os.path import abspath, normcase, realpath
 
 
 FILES_COMMAND = 'git ls-files'
@@ -12,7 +12,8 @@ def parse(root, describe_command=DEFAULT_DESCRIBE):
     if ret:
         return
     trace('real root', real_root)
-    if abspath(realpath(real_root)) != abspath(realpath(root)):
+    if (normcase(abspath(realpath(real_root))) !=
+            normcase(abspath(realpath(root)))):
         return
     rev_node, _, ret = do_ex('git rev-parse --verify --quiet HEAD', root)
     if ret:

testing/test_regressions.py

@@ -1,3 +1,7 @@
+import sys
+
+import pytest
+from setuptools_scm.git import parse
 from setuptools_scm.utils import do_ex, do
 
 
@@ -43,3 +47,14 @@ def vs(v):
 
     res = do('python setup.py --version', p)
     assert res == '1.0'
+
+
+@pytest.mark.skipif(sys.platform != 'win32',
+                    reason="this bug is only valid on windows")
+def test_case_mismatch_on_windows_git(tmpdir):
+    """Case insensitive path checks on Windows"""
+    p = tmpdir.ensure("CapitalizedDir", dir=1)
+
+    do('git init', p)
+    res = parse(str(p).lower())
+    assert res is not None