[Bug 3648] New: case folding collision with a changeset removing a directory and adding it back with a name with a different case

[bugzilla-daemon at bz.selenic.com]

http://bz.selenic.com/show_bug.cgi?id=3648

          Priority: normal
            Bug ID: 3648
                CC: mercurial-devel at selenic.com
          Assignee: bugzilla at selenic.com
           Summary: case folding collision with a changeset removing a
                    directory and adding it back with a name with a
                    different case
          Severity: bug
    Classification: Unclassified
                OS: Mac OS
          Reporter: ehsan at mozilla.com
          Hardware: PC
            Status: UNCONFIRMED
           Version: 2.2.3
         Component: Mercurial
           Product: Mercurial

Steps to reproduce (on Mac or Windows):

1. Clone https://bitbucket.org/ehsan/broken-inbound
2. Pull http://hg.mozilla.org/mozilla-central/
3. hg merge

You'll see an error message like this:

case-folding collision between
media/webrtc/trunk/src/modules/audio_coding/codecs/iSAC/fix/source/filterbank_tables.c
and
media/webrtc/trunk/src/modules/audio_coding/codecs/isac/fix/source/filterbank_tables.c

We had to strip the offending changeset (d81b605dc8d8) from our repository
today to work around this.

Please refer to my blog post
<http://ehsanakhgari.org/blog/2012-10-04/renaming-directories-in-mercurial-by-just-changing-the-case>
for more details, and let me know if you have questions.  Thanks!

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