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Re: Case-only renames on Windows (issue #3702)

From: Branko ─îibej <brane_at_e-reka.si>
Date: Thu, 24 Mar 2011 16:31:55 +0100

On 24.03.2011 15:22, Philip Martin wrote:
> Johan Corveleyn <jcorvel_at_gmail.com> writes:
>
>> I'm looking at issue #3702 ("svn ren TODO todo" not work on windows).
> It's a bit tricky :) Consider a mixed-case node "Foo". It's seems
> obvious that
>
> svn mv Foo foo
>
> is a case-only rename. But what about
>
> svn mv FOO foo
>
> or
> svn mv foo foo
>
> It's possible to do a case-only rename whenever the destination doesn't
> match the disk, but should we require the source to match?

Clearly not ... case-only rename on a case-inseneitive file-system
assumes that the file-system is case-insensitive. :)

> The node "Foo" might contain a child "Zig", is
>
> svn mv Foo/Zig foo/Zig

That's a no-op. You've not renamed Zig.

> a case-only rename? If that is a case-only rename what about
>
> svn mv Foo/Zig foo/zig

That's a case-only rename of Foo/Zig to Foo/zig.

> is that two renames? Suppose there are two children "Zig" and "Zag",
> if
>
> svn mv Foo/Zig foo/Zig
>
> is a case-only rename it would affect "Foo/Zag".

You're really piling it on here, starting from wrong premises. :)
A rename affects the last component of a path, nothing more. I've never
heard of a system when you can case-only rename a directory in the
middle of a path.

In short, things aren't /that/ tricky as far as renames go. They're a
lot trickier during update and commit, if the editor hits a local file
that has the wrong case on-disk, but is otherwise versioned (I've known
brain-dead tools to case-only rename the files they'd worked on).

-- Brane
Received on 2011-03-24 16:32:34 CET

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