Matheus Tavares <matheus.bernardino@xxxxxx> writes: > The gitattributes documentation mentions that either the clean cmd or > the smudge cmd can be left unspecified in a filter definition. However, > when the filter is marked as 'required', the absence of any one of these > two should be treated as an error. Git already fails under these > circumstances, but not always in a pleasant way: omitting a clean cmd in > a required filter triggers an assertion error which leaves the user with > a quite verbose message: > > git: convert.c:1462: convert_to_git_filter_fd: Assertion "ca.drv->clean || ca.drv->process" failed. > > This assertion and the one above it are not really necessary, as the > apply_filter() call bellow them already performs the same checks. And > when these conditions are not met, the function returns 0, making the > caller die() with a much nicer message. (Also note that die()-ing here > is the right behavior as `would_convert_to_git_filter_fd() == true` is a > precondition to use convert_to_git_filter_fd(), and the former is only > true when the filter is required.) So remove both assertions and add two > regression tests to make sure that git fails nicely when either the > smudge or clean command is missing on a required filter. Makes sense. Will queue, thanks.