fix issue #86 - detect dirty git workdir without tags

Author: RonnyPfannschmidt

setuptools_scm/git.py

@@ -25,7 +25,13 @@ def parse(root, describe_command=DEFAULT_DESCRIBE):
         count = revs.count('\n')
         if ret:
             out = rev_node
-        return meta('0.0', distance=count + 1, node=out)
+        git_dirt = do('git describe --always --dirty')
+        return meta(
+            '0.0',
+            distance=count + 1,
+            node=out,
+            dirty=git_dirt.endswith('-dirty'),
+        )
     if ret:
         return
     dirty = out.endswith('-dirty')

testing/test_git.py

@@ -1,5 +1,6 @@
 from setuptools_scm import integration
 import pytest
+from datetime import date
 
 
 @pytest.fixture
@@ -32,6 +33,17 @@ def test_version_from_git(wd):
     assert wd.version.startswith('0.2')
 
 
+@pytest.mark.issue(86)
+def test_git_dirty_notag(wd):
+    wd.commit_testfile()
+    wd.write('test.txt', 'test2')
+    wd("git add test.txt")
+    assert wd.version.startswith('0.1.dev1')
+    today = date.today()
+    # we are dirty, check for the tag
+    assert today.strftime('.d%Y%m%d') in wd.version
+
+
 def test_find_files_stop_at_root_git(wd):
     wd.commit_testfile()
     wd.cwd.ensure('project/setup.cfg')