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Re: [PATCH 6/8] reflog_expire(): ignore --updateref for symbolic references

From
Jeff King <peff@peff.net>
Date
Feb 12, 2015, 21:54 UTC
Message-ID
<20150212215421.GA19618@peff.net>
In-Reply-To
<1423473164-6011-7-git-send-email-mhagger@alum.mit.edu>
On Mon, Feb 09, 2015 at 10:12:42AM +0100, Michael Haggerty wrote:
Show 9 quoted lines
>  	if (!(flags & EXPIRE_REFLOGS_DRY_RUN)) {
> +		/*
> +		 * It doesn't make sense to adjust a reference pointed
> +		 * to by a symbolic ref based on expiring entries in
> +		 * the symbolic reference's reflog.
> +		 */
> +		int update = (flags & EXPIRE_REFLOGS_UPDATE_REF) &&
> +			~(type & REF_ISSYMREF);
> +

Isn't this second clause tautological? Unless REF_ISSYMREF covers all bits in "type", then "type & REF_ISSYMREF" must always have at least one bit 0, and negating it becomes non-zero. Did you mean:

   !(type & REF_ISSYMREF)
?
-Peff
Previous: Junio C HamanoNext: Michael Haggerty
Message 23 of 46 in “Fix some problems with reflog expiration”
  1. 0/8 Fix some problems with reflog expirationMichael Haggerty, Feb 9, 2015
  2. 1/8 write_ref_sha1(): remove check for lock == NULLMichael Haggerty, Feb 9, 2015
  3. Stefan BellerFeb 10, 2015
  4. Jeff KingFeb 11, 2015
  5. 2/8 write_ref_sha1(): Move write elision test to callersMichael Haggerty, Feb 9, 2015
  6. Junio C HamanoFeb 12, 2015
  7. 3/8 lock_ref_sha1_basic(): do not set force_write for missing referencesMichael Haggerty, Feb 9, 2015
  8. Stefan BellerFeb 10, 2015
  9. Jeff KingFeb 11, 2015
  10. Stefan BellerFeb 11, 2015
  11. Michael HaggertyFeb 12, 2015
  12. 4/8 reflog: fix documentationMichael Haggerty, Feb 9, 2015
  13. Stefan BellerFeb 10, 2015
  14. 5/8 reflog: rearrange the manpageMichael Haggerty, Feb 9, 2015
  15. Stefan BellerFeb 10, 2015
  16. Michael HaggertyFeb 12, 2015
  17. Junio C HamanoFeb 12, 2015
  18. 6/8 reflog_expire(): ignore --updateref for symbolic referencesMichael Haggerty, Feb 9, 2015
  19. Stefan BellerFeb 11, 2015
  20. Michael HaggertyFeb 12, 2015
  21. Stefan BellerFeb 12, 2015
  22. Junio C HamanoFeb 12, 2015
  23. Jeff KingFeb 12, 2015
  24. Michael HaggertyFeb 13, 2015
  25. 7/8 reflog_expire(): never update a reference to null_sha1Michael Haggerty, Feb 9, 2015
  26. Eric SunshineFeb 9, 2015
  27. Michael HaggertyFeb 12, 2015
  28. 8/8 reflog_expire(): lock symbolic refs themselves, not their referentMichael Haggerty, Feb 9, 2015
  29. Stefan BellerFeb 11, 2015
  30. Junio C HamanoFeb 11, 2015
  31. Stefan BellerFeb 11, 2015
  32. Michael HaggertyFeb 12, 2015
  33. Stefan BellerFeb 12, 2015
  34. Michael HaggertyFeb 13, 2015
  35. Stefan BellerFeb 13, 2015
  36. Junio C HamanoFeb 13, 2015
  37. Stefan BellerFeb 13, 2015
  38. Junio C HamanoFeb 13, 2015
  39. Stefan BellerFeb 13, 2015
  40. Junio C HamanoFeb 13, 2015
  41. Michael HaggertyFeb 13, 2015
  42. Junio C HamanoFeb 13, 2015
  43. Michael HaggertyFeb 14, 2015
  44. Stefan BellerFeb 9, 2015
  45. refs.c: get rid of force_write flagStefan Beller, Feb 10, 2015
  46. Michael HaggertyFeb 12, 2015

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