On 04/03, Jeff King wrote: > On Tue, Apr 03, 2018 at 11:05:36AM -0700, Brandon Williams wrote: > > > On 04/03, Derrick Stolee wrote: > > > The generation number of a commit is defined recursively as follows: > > > > > > * If a commit A has no parents, then the generation number of A is one. > > > * If a commit A has parents, then the generation number of A is one > > > more than the maximum generation number among the parents of A. > > > > > > Add a uint32_t generation field to struct commit so we can pass this > > > > Is there any reason to believe this would be too small of a value in the > > future? Or is a 32 bit unsigned good enough? > > The linux kernel took ~10 years to produce 500k commits. Even assuming > those were all linear (and they're not), that gives us ~80,000 years of > leeway. So even if the pace of development speeds up or we have a > quicker project, it still seems we have a pretty reasonable safety > margin. > > -Peff I figured as much, but just wanted to check since the windows folks seems to produce commits pretty quickly. -- Brandon Williams
