Also get buildslave's version from GIT.

slave/buildslave/__init__.py

@@ -1 +1,29 @@
+# strategy:
+#
+# if there is a VERSION file, use its contents. otherwise, call git to
+# get a version string. if that also fails, use 'latest'.
+#
+import os
+
 version = "latest"
+
+try:
+    fn = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'VERSION')
+    version = open(fn).read().strip()
+
+except IOError:
+    from subprocess import Popen, PIPE
+    import re
+
+    VERSION_MATCH = re.compile(r'\d+\.\d+\.\d+(\w|-)*')
+
+    try:
+        p = Popen(['git', 'describe', '--tags', '--always', '--dirty'], stdout=PIPE)
+        out = p.communicate()[0]
+
+        if (not p.returncode) and out:
+            v = VERSION_MATCH.search(out)
+            if v:
+                version = v.group()
+    except OSError:
+        pass

slave/setup.py

@@ -13,6 +13,8 @@
 import sys
 import os
 from distutils.core import setup
+from distutils.command.install_data import install_data
+from distutils.command.sdist import sdist
 
 from buildslave import version
 
@@ -22,6 +24,23 @@
 if 'sdist' in sys.argv or sys.platform == 'win32':
     scripts.append("contrib/windows/buildslave.bat")
 
+class our_install_data(install_data):
+
+    def run(self):
+        install_data.run(self)
+        # ensure there's a buildslave/VERSION file
+        fn = os.path.join(self.install_dir, 'buildslave', 'VERSION')
+        open(fn, 'w').write(version)
+        self.outfiles.append(fn)
+
+class our_sdist(sdist):
+
+    def make_release_tree(self, base_dir, files):
+        sdist.make_release_tree(self, base_dir, files)
+        # ensure there's a buildslave/VERSION file
+        fn = os.path.join(base_dir, 'buildslave', 'VERSION')
+        open(fn, 'w').write(version)
+
 setup_args = {
     'name': "buildbot-slave",
     'version': version,
@@ -51,7 +70,14 @@
         "buildslave.test.util",
         "buildslave.test.unit",
     ],
-    'scripts': scripts
+    'scripts': scripts,
+    # mention data_files, even if empty, so install_data is called and
+    # VERSION gets copied
+    'data_files': [("buildslave", [])],
+    'cmdclass': {
+        'install_data': our_install_data,
+        'sdist': our_sdist
+        }
     }
 
 # set zip_safe to false to force Windows installs to always unpack eggs