Hi, On Wed, Jun 17, 2020 at 04:07:01PM -0700, Elijah Newren wrote: > > Son pointed out that mercurial has a 'sparse' extension that has some > possible ideas of things we could do here; see > https://lore.kernel.org/git/CABPp-BGLBmWXrmPsTogyBFMgwYbHjN39oWbU=qDWroU1_fJaoQ@xxxxxxxxxxxxxx/ > for some further discussion. I just want to note that you can find the latest version of FB's 'sparse' extension here[1] and the tests for 'profile' feature could be found here[2]. Another relevant source of reading could be Google's Narrow extension for Mercurial[3]. Cheers, Son Luong. [1]: https://github.com/facebookexperimental/eden/blob/master/eden/scm/edenscm/hgext/sparse.py [2]: https://github.com/facebookexperimental/eden/blob/master/eden/scm/tests/test-sparse-profiles.t [3]: https://bitbucket.org/Google/narrowhg/src/cb51d673e9c5820fc3da86a67f7e74b789820b4f/tests/test-merge.t#lines-63