On Fri, Nov 22, 2019 at 06:19:27PM +0800, ryenus wrote: > Tab completion works for `git --version`, but not `git version`. > Of course, it would work with a custom executable script git-version on PATH. > > Interestingly, it works even if the git-version script is an empty file. It's because git-version isn't mentioned in "git help -a", from which we generate the completion list. That comes from command-list.h, which in turn is generated from command-list.txt, which doesn't mention git-version as a command. And we can't add it there until it has a manpage (since we pull the oneline description from the synopsis). It might not be a bad thing to have a manpage. For example, the --build-options is undocumented. cmd_version() is also weirdly in help.c, not builtin/help.c, which might be worth fixing. -Peff