On 11 May 2018 at 23:15, Derrick Stolee [off-list ref] wrote:

The commit-graph file is a very helpful feature for speeding up git
operations. In order to make it more useful, write the commit-graph file
by default during standard garbage collection operations.

So does it really write by default...

Add a 'gc.commitGraph' config setting that triggers writing a
commit-graph file after any non-trivial 'git gc' command. Defaults to
false while the commit-graph feature matures. We specifically do not

or not...? I guess the first paragraph has simply been there since
before you changed your mind about the default?

want to turn this on by default until the commit-graph feature is fully
integrated with history-modifying features like shallow clones.

So if someone would turn this on with a shallow clone, ... Do we want
some note (warning?) around that in the user documentation?

Martin