Refuse to send empty patches

[stgit] / setup.py

diff --git a/setup.py b/setup.py
index dc251494f8dba76ae19dee88ee7f86dbf0060398..d90cf5bd8802bff07650da3dcc92407498b17bbd 100755 (executable)
--- a/setup.py
+++ b/setup.py
@@ -1,15 +1,61 @@
 #!/usr/bin/env python
 
-import glob
+import sys, glob, os
 from distutils.core import setup
 
-from stgit.version import version
+from stgit.version import version, git_min_ver, python_min_ver
+from stgit.run import Run
+
+def __version_to_list(version):
+    """Convert a version string to a list of numbers or strings
+    """
+    ver_list = []
+    for p in version.split('.'):
+        try:
+            n = int(p)
+        except ValueError:
+            n = p
+        ver_list.append(n)
+    return ver_list
+
+def __check_min_version(min_ver, ver):
+    """Check whether ver is greater or equal to min_ver
+    """
+    min_ver_list = __version_to_list(min_ver)
+    ver_list = __version_to_list(ver)
+    return min_ver_list <= ver_list
+
+def __check_python_version():
+    """Check the minimum Python version
+    """
+    pyver = '.'.join(str(n) for n in sys.version_info)
+    if not __check_min_version(python_min_ver, pyver):
+        print >> sys.stderr, 'Python version %s or newer required. Found %s' \
+              % (python_min_ver, pyver)
+        sys.exit(1)
+
+def __check_git_version():
+    """Check the minimum GIT version
+    """
+    gitver = Run('git', '--version').output_one_line().split()[2]
+    if not __check_min_version(git_min_ver, gitver):
+        print >> sys.stderr, 'GIT version %s or newer required. Found %s' \
+              % (git_min_ver, gitver)
+        sys.exit(1)
+
+# Check the minimum versions required
+if sys.argv[1] in ['install', 'build']:
+    __check_python_version()
+    __check_git_version()
+
+# ensure readable template files
+old_mask = os.umask(0022)
 
 setup(name = 'stgit',
       version = version,
       license = 'GPLv2',
       author = 'Catalin Marinas',
-      author_email = 'catalin.marinas@gmail.org',
+      author_email = 'catalin.marinas@gmail.com',
       url = 'http://www.procode.org/stgit/',
       description = 'Stacked GIT',
       long_description = 'Push/pop utility on top of GIT',
@@ -23,3 +69,6 @@ setup(name = 'stgit',
                                              'contrib/stgit-completion.bash']),
                     ('share/doc/stgit', glob.glob('doc/*.txt'))]
       )
+
+# restore the old mask
+os.umask(old_mask)