Fix syntax and error cleanly on Python-3

Python-3 requires careful handling of unicode to avoid breaking Git
semantics (which manages strings unencoded) or Python (which insists on
processing encoded strings on Windows).  This is not done yet, so error
cleanly for now.  See discussion in issue #42.

Suggested-by: Christoph Buchner

1 files changed, 5 insertions, 1 deletions

diff --git a/git-fat b/git-fat
index 4a95d9e..dd6af72 100755
--- a/git-fat
+++ b/git-fat
@@ -15,6 +15,10 @@ import threading
 import time
 import collections
 
+if not type(sys.version_info) is tuple and sys.version_info.major > 2:
+    sys.stderr.write('git-fat does not support Python-3 yet.  Please use python2.\n')
+    sys.exit(1)
+
 try:
     from subprocess import check_output
     del check_output
@@ -533,7 +537,7 @@ class GitFat(object):
         time1 = time.time()
         self.verbose('Found %d paths in %.3f s' % (len(pathsizes), time1-time0))
         maxlen = max(map(len,pathsizes)) if pathsizes else 0
-        for path, sizes in sorted(pathsizes.items(), cmp=lambda (p1,s1),(p2,s2): cmp(max(s1),max(s2)), reverse=True):
+        for path, sizes in sorted(pathsizes.items(), key=lambda p,s: max(s), reverse=True):
             print('%-*s filter=fat -text # %10d %d' % (maxlen, path,max(sizes),len(sizes)))
         revlist.wait()
         difftree.wait()