ds/commit-graph-incremental (was Re: What's cooking in git.git (Jun 2019, #04; Fri, 14))

[Derrick Stolee <stolee@gmail.com>]

On 6/14/2019 4:50 PM, Junio C Hamano wrote:
> * ds/commit-graph-incremental (2019-06-12) 16 commits
>  - commit-graph: test --split across alternate without --split
>  - commit-graph: test octopus merges with --split
>  - commit-graph: clean up chains after flattened write
>  - commit-graph: verify chains with --shallow mode
>  - commit-graph: create options for split files
>  - commit-graph: expire commit-graph files
>  - commit-graph: allow cross-alternate chains
>  - commit-graph: merge commit-graph chains
>  - commit-graph: add --split option to builtin
>  - commit-graph: write commit-graph chains
>  - commit-graph: rearrange chunk count logic
>  - commit-graph: add base graphs chunk
>  - commit-graph: load commit-graph chains
>  - commit-graph: rename commit_compare to oid_compare
>  - commit-graph: prepare for commit-graph chains
>  - commit-graph: document commit-graph chains
>  (this branch uses ds/commit-graph-write-refactor; is tangled with ds/close-object-store.)
> 
>  The commits in a repository can be described by multiple
>  commit-graph files now, which allows the commit-graph files to be
>  updated incrementally.
> 
>  Will merge to 'next'.

Please hold on this one. I've found multiple issues while integrating
this with VFS for Git and there are enough to merit a full re-roll.
Please ignore the two patches I sent yesterday as I will incorporate them
into the next version of this series.

Thanks,
-Stolee