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Re: [PATCH v2] tests: set temp variables using 'env' in test function instead of subshell

From
Jeff King <peff@peff.net>
Date
Mar 18, 2014, 23:06 UTC
Message-ID
<20140318230658.GA10679@sigill.intra.peff.net>
In-Reply-To
<xmqqy5075f0k.fsf@gitster.dls.corp.google.com>
On Tue, Mar 18, 2014 at 03:16:27PM -0700, Junio C Hamano wrote:
Show 10 quoted lines
> > Isn't GIT_CONFIG here another way of saying:
> >
> >   test_must_fail git config -f doesnotexist --list
> >
> > Perhaps that is shorter and more readable still (and there are a few
> > similar cases in this patch.
> 
> Surely, but are we assuming that "git config" correctly honors the
> equivalence between GIT_CONFIG=file and -f file, or is that also
> something we are testing in these tests?

I think we can assume that they are equivalent, and it is not worth testing (and they are equivalent in code since 270a344 (config: stop using config_exclusive_filename, 2012-02-16).

My recollection is that GIT_CONFIG mostly exists as a historical footnote. Recall that at one time it affected all commands, but that had many problems and was done away with in dc87183 (Only use GIT_CONFIG in "git config", not other programs, 2008-06-30). I think we left it in place for git-config mostly for backward compatibility, but I didn't see that point explicitly addressed in the list discussion (the main issue was that setting it for things besides "git config" is a bad idea, as it suppresses ~/.gitconfig).

-Peff
Previous: Junio C HamanoNext: Junio C Hamano
Message 5 of 28 in “tests: set temp variables using 'env' in test function instead of subshell”
  1. tests: set temp variables using 'env' in test function instead of subshellDavid Tran, Mar 18, 2014
  2. Junio C HamanoMar 18, 2014
  3. Jeff KingMar 18, 2014
  4. Junio C HamanoMar 18, 2014
  5. Jeff KingMar 18, 2014
  6. Junio C HamanoMar 19, 2014
  7. 0/12 GIT_CONFIG in the test suiteJeff King, Mar 20, 2014
  8. 01/12 t/Makefile: stop setting GIT_CONFIGJeff King, Mar 20, 2014
  9. 02/12 t/test-lib: drop redundant unset of GIT_CONFIGJeff King, Mar 20, 2014
  10. 03/12 t: drop useless sane_unset GIT_* callsJeff King, Mar 20, 2014
  11. Junio C HamanoMar 21, 2014
  12. Jeff KingMar 24, 2014
  13. Junio C HamanoMar 24, 2014
  14. Junio C HamanoMar 25, 2014
  15. 04/12 t: stop using GIT_CONFIG to cross repo boundariesJeff King, Mar 20, 2014
  16. Junio C HamanoMar 21, 2014
  17. Jeff KingMar 24, 2014
  18. 05/12 t: prefer "git config --file" to GIT_CONFIG with test_must_failJeff King, Mar 20, 2014
  19. 06/12 t: prefer "git config --file" to GIT_CONFIGJeff King, Mar 20, 2014
  20. 07/12 t0001: make symlink reinit test more carefulJeff King, Mar 20, 2014
  21. 08/12 t0001: use test_path_is_*Jeff King, Mar 20, 2014
  22. 09/12 t0001: use test_config_globalJeff King, Mar 20, 2014
  23. 10/12 t0001: use test_must_failJeff King, Mar 20, 2014
  24. 11/12 t0001: drop useless subshellsJeff King, Mar 20, 2014
  25. Eric SunshineMar 21, 2014
  26. 12/12 t0001: drop subshells just for "cd"Jeff King, Mar 20, 2014
  27. Eric SunshineMar 18, 2014
  28. Eric SunshineMar 18, 2014

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