Re: [PATCH] doc: add information regarding external commands

>
> "Omri Sarig via GitGitGadget" <gitgitgadget@gmail.com> writes:
>
> > From: Omri Sarig <omri.sarig13@gmail.com>
> >
> > Git supports running external commands in the user's PATH as if they
> > were built-in commands (see execv_dashed_external in git.c).
>
> Correct.
>
> > This feature was not documented in any of Git's user-facing
> > documentation.
>
> "Not documented in any" is a slight exaggeration.  See "git help
> git" and look at description of "--list-cmds" option; "all commands
> in $PATH that have git- prefix" is mentioned there.  Also "git help
> help" talks about "--no-external-commands" that excludes "git-*"
> commands found on $PATH from the listing, which implies these things
> count as available commands.
>
> Nevertheless, it is a good idea to make it more discoverable.
>
> > This commit adds a short documentation of this feature, making it easier
> > for users to discover and use.
>
> I would have expected that under Environment Variables > System,
> next to HOME, we would add an entry for PATH that says something
> like:
>
>     When a user runs 'git <command>' that is not part of the core
>     Git programs (installed in GIT_EXEC_PATH), 'git-<command>' that
>     is runnable by the user in a directory on `$PATH` is invoked.
>
>
> or something like that; I didn't expect us to add a dedicated
> separate section for it.