On Mon, Feb 04, 2019 at 12:04:21PM -0800, Junio C Hamano wrote: > Instead of exposing this pretty-much "test-only" feature as a new > option to t/helper/test-tool, I think it is OK, if not even better, > to have it in rev-parse proper like this patch does. > > I however have a mildly strong suspition that people would expect > "rev-parse --abbrev-len=<num>" to be a synonym of "--short=<num>" > > As this is pretty-much a test-only option, perhaps going longer but > more descriptive would make sense? > > git rev-parse --compute-abbrev-length-for <object-count> > > may be an overkill, but something along those lines. You could even default <object-count> to the number of objects in the repository. Which implies that perhaps the best spot is the command where we already count the number of objects, git-count-objects. -Peff