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From "Daniel Shahaf" <...@daniel.shahaf.name>
Subject Re: svn log says text-mods="true" but there are no diffs
Date Fri, 04 Dec 2020 20:41:27 GMT
Vincent Lefevre wrote on Fri, 04 Dec 2020 01:08 +00:00:
> I get the following:
> 
> $ svn log --xml -v -r 1984 https://scm.gforge.inria.fr/anonscm/svn/mpfr
> <logentry
>    revision="1984">
> <author>vlefevre</author>
> <date>2002-07-23T16:22:08.000000Z</date>
> <paths>
> <path
>    prop-mods="false"
>    text-mods="true"
>    kind="file"
>    action="M">/trunk/mul.c</path>
> </paths>
> <msg>Fixed permissions.
> </msg>
> </logentry>
> </log>
> 
> I'm wondering why text-mods="true" while
> 
>   svn diff -c 1984 https://scm.gforge.inria.fr/anonscm/svn/mpfr
> 
> shows no diffs.

You may be running into this (quoting from svn_fs_contents_changed()'s docstring):

 * @note svn_fs_contents_changed() was not designed to be used to detect
 * when two files have different content, but really to detect when the
 * contents of a given file have changed across two points in its history.
 * For the purposes of preserving accurate history, certain bits of code
 * (such as the repository dump code) need to care about this distinction.
 * For example, it's not an error from the FS API point of view to call
 * svn_fs_apply_textdelta() and explicitly set a file's contents to exactly
 * what they were before the edit was made.  We have a pair of functions
 * that can answer both of these questions, svn_fs_contents_changed() and
 * svn_fs_contents_different().  See issue 4598 for more details.

Or maybe that revision was created by a pre-1.0 version of Subversion
that had some bug or another.

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