On Wed, Apr 23, 2014 at 12:47 AM, Junio C Hamano <gits...@pobox.com> wrote:
> "brian m. carlson" <sand...@crustytoothpaste.net> writes:
>> What we could do instead is simply require a newer version of
>> Getopt::Long, which would let people continue using their ancient OSes
>> and install a newer version from CPAN if necessary.  It's also the
>> proper way to specify the dependency.
> Yes, but if its inability to properly grok --option="" is the only
> reason we want to add a dependency, wouldn't it suffice to simply
> state in the documentation (1) how to recognise the symptom to see
> if the version the user has is too old, e.g. "if you see this error
> message", "run 'perl -v' to see if your perl is older than X",
> etc. and (2) how to work it around, i.e. "instead of giving an empty
> value with --option='', say --option ''"?

FWIW, the least intrusive approach is what I find most agreeable:

 - Fix the tests to use --prefix "" instead of --prefix=""
 - Update the documentation like Junio suggests above.
 - Reformat an example using --prefix ""

I.e. use Kyle's patch to t9117, plus something like this:

diff --git a/Documentation/git-svn.txt b/Documentation/git-svn.txt
index 5b3c38d..9f579e0 100644
--- a/Documentation/git-svn.txt
+++ b/Documentation/git-svn.txt
@@ -91,6 +91,9 @@ COMMANDS
 NOTE: Before Git v2.0, the default prefix was "" (no prefix). This
 meant that SVN-tracking refs were put at "refs/remotes/*", which is
 incompatible with how Git's own remote-tracking refs are organized.
+If you still want the old default, you can get it by passing
+'--prefix ""' on the command line ('--prefix=""' may not work if
+your Perl's Getopt::Long is < v2.37).

        When passed to 'init' or 'clone' this regular expression will


Johan Herland, <jo...@herland.net>
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