--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/venv/lib/python2.7/site-packages/planemo/git.py	Mon Oct 12 17:43:33 2015 -0400
@@ -0,0 +1,47 @@
+""" Utilities for interacting with git using planemo abstractions.
+"""
+import subprocess
+from planemo import io
+
+
+def command_clone(ctx, src, dest, bare=False):
+    """ Take in ctx to allow more configurability down the road.
+    """
+    bare_arg = ""
+    if bare:
+        bare_arg = "--bare"
+    return "git clone %s '%s' '%s'" % (bare_arg, src, dest)
+
+
+def clone(*args, **kwds):
+    command = command_clone(*args, **kwds)
+    return io.shell(command)
+
+
+def rev(ctx, directory):
+    """ Raw revision for git directory specified.
+
+    Throws ``RuntimeError`` if not a git directory.
+    """
+    cmd_template = "cd '%s' && git rev-parse HEAD"
+    cmd = cmd_template % directory
+    stdout, _ = io.communicate(
+        cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE
+    )
+    return stdout.strip()
+
+
+def is_rev_dirty(ctx, directory):
+    cmd = "cd '%s' && git diff --quiet" % directory
+    return io.shell(cmd) != 0
+
+
+def rev_if_git(ctx, directory):
+    try:
+        the_rev = rev(ctx, directory)
+        is_dirtry = is_rev_dirty(ctx, directory)
+        if is_dirtry:
+            the_rev += "-dirty"
+        return the_rev
+    except RuntimeError:
+        return None