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Revert "color: check color.ui in git_default_config()"

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This reverts commit 136c8c8b8f.

That commit was trying to address a bug caused by 4c7f1819b3
(make color.ui default to 'auto', 2013-06-10), in which
plumbing like diff-tree defaulted to "auto" color, but did
not respect a "color.ui" directive to disable it.

But it also meant that we started respecting "color.ui" set
to "always". This was a known problem, but 4c7f1819b3 argued
that nobody ought to be doing that. However, that turned out
to be wrong, and we got a number of bug reports related to
"add -p" regressing in v2.14.2.

Let's revert 136c8c8b8, fixing the regression to "add -p".
This leaves the problem from 4c7f1819b3 unfixed, but:

  1. It's a pretty obscure problem in the first place. I
     only noticed it while working on the color code, and we
     haven't got a single bug report or complaint about it.

  2. We can make a more moderate fix on top by respecting
     "never" but not "always" for plumbing commands. This
     is just the minimal fix to go back to the working state
     we had before v2.14.2.

Note that this isn't a pure revert. We now have a test in
t3701 which shows off the "add -p" regression. This can be
flipped to success.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King
2017-10-13 13:24:31 -04:00
committed by Junio C Hamano
parent 1d4b12fe7c
commit 33c643bb08
8 changed files with 17 additions and 9 deletions
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8
color.c
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@ -361,6 +361,14 @@ int git_color_config(const char *var, const char *value, void *cb)
return 0;
}
int git_color_default_config(const char *var, const char *value, void *cb)
{
if (git_color_config(var, value, cb) < 0)
return -1;
return git_default_config(var, value, cb);
}
void color_print_strbuf(FILE *fp, const char *color, const struct strbuf *sb)
{
if (*color)