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What is the scenario for a commit with 3 or more parents

From
Bradley Wagner <bradley.wagner@hannonhill.com>
Date
Jul 29, 2010, 02:05 UTC
Message-ID
<AANLkTikMRa_LrD2fU9Piv3GW2H0r7Jf_9s5iM0wc9t6s@mail.gmail.com>

I was reading over the Specifying Revisions section in the man entry gitrevisions. I understand having 2 parent commits with a merge.

I was trying to understand the HEAD^2 style syntax and wondering where HEAD^3 would be used. From the example diagram, this would be Commit B but I'm unclear how this would ever happen. Is this some kind of multi-way merge?

Does git log show the parents in their ordinal order in the "Merge:" line?
Next: Shawn O. Pearce
Message 1 of 9 in “What is the scenario for a commit with 3 or more parents”
  1. Bradley WagnerJul 29, 2010
  2. Shawn O. PearceJul 29, 2010
  3. Sverre RabbelierJul 29, 2010
  4. Bradley WagnerJul 29, 2010
  5. Joshua JuranJul 29, 2010
  6. Sverre RabbelierJul 29, 2010
  7. Junio C HamanoJul 29, 2010
  8. Sverre RabbelierJul 29, 2010
  9. Junio C HamanoJul 29, 2010

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