Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 855 by rdsr.me: diff fails if by any chance a file identical to  
previous version is submitted
http://code.google.com/p/reviewboard/issues/detail?id=855

*NOTE: Do not post confidential information in this bug report.*

What's the URL of the page containing the problem?


What steps will reproduce the problem?
1. try to submit a changelist containing a file which is identical to
previous version
2.
3.

What is the expected output? What do you see instead?
Expected output should be the diffs generated for other files and no diff
for the identical file.
We see a stack strace instead.


  File "/home/y/share/reviewboard/diffviewer/views.py", line 82, in view_diff
     files = get_diff_files(diffset, None, interdiffset, highlighting)
   File "/home/y/share/reviewboard/diffviewer/diffutils.py", line 599, in
get_diff_files
     enable_syntax_highlighting)
   File "/home/y/share/reviewboard/diffviewer/diffutils.py", line 518, in
generate_files
     lambda: get_chunks(filediff.diffset,
   File "/home/y/share/reviewboard/djblets/util/misc.py", line 51, in
cache_memoize
     data = lookup_callable()
   File "/home/y/share/reviewboard/diffviewer/diffutils.py", line 521, in
<lambda>
     enable_syntax_highlighting))
   File "/home/y/share/reviewboard/diffviewer/diffutils.py", line 322, in
get_chunks
     new = get_patched_file(old, filediff)
   File "/home/y/share/reviewboard/diffviewer/diffutils.py", line 238, in
get_patched_file
     return patch(filediff.diff, buffer, filediff.dest_file)
   File "/home/y/share/reviewboard/diffviewer/diffutils.py", line 119, in  
patch
     (filename, tempdir, patch_output))



What operating system are you using? What browser?


Please provide any additional information below.


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