HgGitRepository: generalizing use of `hg_call`
This first makes hg_call
more flexible and powerful, and then leverages it to reduce lots of boilerplate.
All legacy (hg-git based) Projects have been automatically migrated to native with the upgrade of 2025-01-23
This first makes hg_call
more flexible and powerful, and then leverages it to reduce lots of boilerplate.