Re: git diff bug?

[Antriksh Pany <antriksh.pany@gmail.com>]

I believe you need to have only the line

*.el diff=el

in the .gitattributes file.

The part

[diff = "el"]
   xfuncname = ...

has to be in the git config file. The .git/config file would do for this.


On Mon, Apr 6, 2009 at 2:39 PM, David Abrahams <dave@boostpro.com> wrote:
>
> On Apr 3, 2009, at 9:45 PM, Jeff King wrote:
>
>> On Fri, Apr 03, 2009 at 09:10:42PM -0400, David Abrahams wrote:
>>
>>> Please see
>>> http://github.com/techarcana/elisp/commit/63d672c296316c85690085930b05c642b88a9978#diff-2
>>>
>>> Note how the @@ ... @@ clauses are followed by text from the previous
>>> line's comment.  Not sure, but this strikes me as a line-ending issue.
>>> custom.el was originally built on a linux machine; now I'm using a Mac.
>>
>> This is as designed. The original file ("git show e7dd7db") contains (my
>> numbering seems different than what git produces; it is produced by "nl"
>> which is maybe treating some line endings differently earlier in the
>> file):
>>
>>  102   '(mm-attachment-override-types (quote ("text/x-vcard" "application/pkcs7-mime" "application/x-pkcs7-mime" "application/pkcs7-signature" "application/x-pkcs7-signature" "image/*")) nil nil "
>>  103  Added image/* to display attached images inline")
>>  104   '(mm-discouraged-alternatives (quote ("text/html" "text/richtext" "image/.*")) nil nil "
>>  105  The documentation for this variable says it all")
>>  106   '(mm-inline-text-html-with-images t)
>>  107   '(muse-project-alist (quote (("WikiPlanner" ("~/plans" :default "index" :major-mode planner-mode :visit-link planner-visit-link)))))
>>  108   '(org-agenda-files (quote ("~/organizer.org")))
>>
>> The changed text in your diff starts on 108. So we show 105-107 as
>> context lines. The text after the @@ clause is the "function header";
>> this is equivalent to "-p" in GNU diff. It's basically a guess about the
>> most interesting context to show, and looks alphabetic characters that
>> are left-aligned. In the case of lisp, it really isn't all that
>> interesting (and what looks so weird is that your file contains
>> a lot of
>>
>>  "\nSome text"
>>
>> so the text strings are all left-aligned. You can customize the regex
>> used to guess at the function header. See "defining a custom
>> hunk-header" in "git help attributes".
>
> Hmm, so I tried sticking this .gitattributes in my repo
>
>  *.el   diff=el
>  [diff "el"]
>        xfuncname = "^(\\(def[a-z]+ .+)$"
>
> and git diff barfed with
>
>  "el"] is not a valid attribute name: .gitattributes:2
>  "^(\\(def[a-z]+ is not a valid attribute name: .gitattributes:3
>
> What am I missing?  I tried googling, but from what turns up for me, it doesn't look like anyone else has ever tried to use this feature!
>
> TIA,
>
> --
> David Abrahams
> BoostPro Computing
> http://boostpro.com
>
>
>
>
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