Re: why do "git log -h" and "git show -h" print the same thing?

From: Stefan Beller <sbeller@google.com>
Date: May 24, 2018, 22:42 UTC
Message-ID: <CAGZ79kY8CjLsTqY2YXJ8hPA41XrbYZrtK7yO59vrbA5M_vorVg@mail.gmail.com>
In-Reply-To: <alpine.LFD.2.21.1805240934010.12018@localhost.localdomain>

On Thu, May 24, 2018 at 6:37 AM, Robert P. J. Day <rpjday@crashcourse.ca> wrote:

Show 20 quoted lines

>
>   maybe this is deliberate, but it's confusing that, with git 2.17.0,
> the output of both "git log -h" and "git show -h" is exactly the same:
>
> $ git log -h
> usage: git log [<options>] [<revision-range>] [[--] <path>...]
>    or: git show [<options>] <object>...
>
>     -q, --quiet           suppress diff output
>     --source              show source
>     --use-mailmap         Use mail map file
>     --decorate-refs <pattern>
>                           only decorate refs that match <pattern>
>     --decorate-refs-exclude <pattern>
>                           do not decorate refs that match <pattern>
>     --decorate[=...]      decorate options
>     -L <n,m:file>         Process line range n,m in file, counting from 1
> $
>
> is that what's *supposed* to happen?

I would think so, show is just "log -p" with the range clamped down to <object>^..<object>.

It's been in the code like that for a couple years by now, e.g. see e66dc0cc4b1a6 log.c: fix translation markings, 2015-01-06