On Tue, Jul 01, 2025 at 09:14:57PM +0000, brian m. carlson wrote: > On 2025-07-01 at 11:35:33, Patrick Steinhardt wrote: > > On Fri, Jun 20, 2025 at 01:19:35AM +0000, brian m. carlson wrote: > > > We have some commands that can operate inside or outside a repository. > > > If we're operating outside a repository, we clearly cannot use the > > > repository's hash algorithm as a default since it doesn't exist, so > > > instead, let's pick the default instead of specifically SHA-1. Right > > > now this results in no functional change since the default is SHA-1, but > > > that may change in the future. > > > > With the preceding commit in mind that introduced GIT_HASH_ORIGINAL you > > could also argue that those callsites should be converted to use that > > define instead. We always used to treat them as SHA1 repositories, and > > we have no better way of telling otherwise, so we use the historical > > value of SHA1 so that scripts aren't dependent on how exactly Git was > > built. > > I don't think I want to do that. A lot of the functionality people use > outside of repositories, such as index-pack and ls-remote, actually > operates on repository objects and so it makes sense to use the default. > > For instance, it will be a major inconvenience to still have to specify > a custom object format three to five years after the switchover. True. Initially it will be a pain for those edge cases, but the longer the new default is in place the more useful it will become. Patrick