On 2/25/2020 6:40 AM, Jakub Narebski wrote: > Garima Singh <garimasigit@xxxxxxxxx> writes: >> On 2/19/2020 10:13 AM, Jakub Narebski wrote: >>> "Garima Singh via GitGitGadget" <gitgitgadget@xxxxxxxxx> writes: > [...] >>>> diff --git a/Documentation/technical/commit-graph-format.txt b/Documentation/technical/commit-graph-format.txt >>>> index a4f17441ae..22e511643d 100644 >>>> --- a/Documentation/technical/commit-graph-format.txt >>>> +++ b/Documentation/technical/commit-graph-format.txt >>>> @@ -17,6 +17,9 @@ metadata, including: >>>> - The parents of the commit, stored using positional references within >>>> the graph file. >>>> >>>> +- The Bloom filter of the commit carrying the paths that were changed between >>>> + the commit and its first parent. >>>> + >>> >>> All right. >>> >>> Should we also state that it is optional (meta)data? This would be >>> first optional piece of data stored in commit-graph, I think. >>> >> >> However the entire commit graph file is non critical metadata since git commands >> work just fine without it, just slower. The same applies to the changed path >> bloom filters. >> >> Based on the definition of optional you are suggesting, edge data is optional >> because not every commit-graph has octopus merges. > > Well, edge data (EDGE chunk) is optional in different way from Bloom > filter data. The former depends on the repository (whether there are > octopus merges used), the latter is opt-in user choice (whether to run > `git commit-graph write` with the `--changed-paths` option, or in the > future equivalent config option). > > To provide some advise that can be acted upon: perhaps it would be > better to start with "It can store", or end with "if requested" or > "optionally". For example the change could look like the following > suggestion: > > > The Git commit graph stores a list of commit OIDs and some associated > metadata, including: > [...] > +- The Bloom filter of the commit carrying the paths that were changed between > + the commit and its first parent, if requested. > + > > Best, > Sure. That makes sense. Will incorporate in v3. Cheers! Garima Singh