Re: Git 2.26.2 and failed self tests on OS X

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On Mon, May 04, 2020 at 03:20:11PM -0400, Jeffrey Walton wrote:
> On Mon, May 4, 2020 at 3:08 PM Torsten Bögershausen <tboegi@xxxxxx> wrote:
> >
> > On Mon, May 04, 2020 at 01:18:06PM -0400, Eric Sunshine wrote:
> > > On Mon, May 4, 2020 at 12:52 PM Carlo Marcelo Arenas Belón
> > > <carenas@xxxxxxxxx> wrote:
> > > > On Mon, May 04, 2020 at 03:03:01AM -0400, Jeffrey Walton wrote:
> > > > > I'm building Git 2.26.2 from sources on a Mac-mini with OS X 10.12.6
> > > > > and a PowerMac with OS X 10.5. Some of the t3902-quoted.sh tests are
> > > > > failing.
> > > > >
> > > > > The Mac-Mini uses Bash 3.2.57(1)-release. The PowerMac uses 3.2.17(1)-release.
> > > >
> > > > if the problem is the bash version but you can build/install a newer one that
> > > > doesn't have this problem [...]
> > >
> > > My OS X 10.13.6 has Bash 3.2.57, as well, and I'm unable to reproduce
> > > these failures, so it seems fairly unlikely that the problem Jeffrey
> > > is seeing isn't tied to Bash.
> >
> > Should I read this as
> > ".. seems fairly likely that the problem Jeffrey is seeing is tied to bash" ?
> >
> > I can't reproduce it either, so my reasoning would rather be
> > "The problem is probably not caused by the shipped bash version"
> >
> > It could be something in the environemt, that confuses our tests here.
> >
> > Does
> > ./t3902-quoted.sh   -v -d
> > give anything useful ?
>
> Yes, it looks like the command reveals a couple of problems.
>
> I'll have to look into my iconv recipe. It has not changed in a while,
> so something else may be responsible for the failure.
> https://github.com/noloader/Build-Scripts/blob/master/build-iconv.sh.
>
> I'm not sure what to do with the HEAD problems.
>
> $ ./t3902-quoted.sh   -v -d
> Initialized empty Git repository in
> /Users/jwalton/Build-Scripts/git-2.26.2/t/trash
> directory.t3902-quoted/.git/
> expecting success of 3902.1 'setup':
>
>         mkdir "$FN" &&
>         for_each_name "echo initial >\"\$name\"" &&
>         git add . &&
>         git commit -q -m Initial &&
>
>         for_each_name "echo second >\"\$name\"" &&
>         git commit -a -m Second &&
>
>         for_each_name "echo modified >\"\$name\""
>
>
> fatal: iconv_open(UTF-8,UTF-8-MAC) failed, but needed:
>     precomposed unicode is not supported.
>     If you want to use decomposed unicode, run
>     "git config core.precomposeunicode false"
>

I am quite sure, that the trouble starts here.
It seems as if you are building iconv yourself ?
And that iconv does not include "UTF-8-MAC", which is a speciality
for Mac.

Are there any special reasons to build your own iconv ?
You are the first one repprting this kind of issue,
thanks for reporting it.





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