Bugs item #2074555, was opened at 2008-08-25 18:23
Message generated for change (Settings changed) made by sborho
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Category: None
Group: None
>Status: Closed
Resolution: None
Priority: 5
Private: No
Submitted By: Ben Houston (bhouston)
Assigned to: Nobody/Anonymous (nobody)
Summary: Path case sensitivity issues on semi-case insensitive Win32.
Initial Comment:
I have run into the following error 4 times in the past couple months.
This message appears when I try to update to the latest revision that I have
pulled in from another machine:
*** case-folding collision between MyProject/myClassName.java and
MyProject/MyClassName.java [command interrupted]
Basically, I checked in a file and then later I changed the character casing of
a classname and its associated source file using an automatic refactoring tool
and then I checked in the renamed file that differences in its character casing.
No errors or warnings on commit. But I am unable to update these changes to
another machine as the above error appears.
My workarounds:
(1) Initially I just created a new repository and lost all my previous changes.
This solution of course worked, but it really reduced the usefulness of
TortoiseHG.
(2) I have gotten good at identifying and "Stripping Revisions" from the repo
that contain the references to the two conflicting character casings of the
problematic files. This takes quite a while and I end up grouping together
into one commit what previously where the individual revisions that I had to
strip out.
It would be nice to fix this issue as the refactoring tool that I use has never
caused this issue to occur with TortoiseSVN. That is to say: there is a way to
fix this issue.
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Comment By: TK Soh (tksoh)
Date: 2008-08-25 19:14
Message:
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Maybe you will find this useful:
http://www.selenic.com/mercurial/wiki/index.cgi/FixingCaseCollisions
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Comment By: TK Soh (tksoh)
Date: 2008-08-25 19:10
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Do you know how your refactoring tool change the file name in your repo?
Is this 'hg mv', or combination of 'hg rm' and 'hg add'. When I tried the
latter, and Hg did not complain during commit, but it won't let me checkout
the earlier changeset after the commit. I'm sure if this is a 'known' bug
in Hg.
FYI, 'hg mv' won't let me rename file with case-flips in it's filename.
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Comment By: Ben Houston (bhouston)
Date: 2008-08-25 18:58
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I am not using "hg mv" rather I am using an IDE refactoring tool that just
changes the files names. I don't mind that it breaks individual file
revision tracking (i.e. it appears as if one file is deleted and a new one
is created), its enough that it just tracks the changes. But right now if
I change case during a refactor it breaks the Hg repo for all other
computers it get's synchronized to. I am using Vista and Windows XP -- and
it appears that I can cause this error on either machine, thus I think it
is just the way Win32 handles file names.
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Comment By: TK Soh (tksoh)
Date: 2008-08-25 18:53
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I am confused. So, you are on Windows. Do you use 'hg mv' to rename the
file? I though it won't let you.
In any case, I am not too familiar with case-collision in hg.
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