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From:   Junio C Hamano <gitster@pobox.com>
To:     Shourya Shukla <shouryashukla.oo@gmail.com>
Cc:     git@vger.kernel.org, peff@peff.net, jnareb@gmail.com,
        christian.couder@gmail.com
Subject: Re: [RFC]rev-parse: rev-parse.h does not exist for rev-parse.c
References: <20200321183545.GA17453@konoha>
Date:   Sat, 21 Mar 2020 12:41:56 -0700
In-Reply-To: <20200321183545.GA17453@konoha> (Shourya Shukla's message of
        "Sun, 22 Mar 2020 00:05:45 +0530")
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Shourya Shukla <shouryashukla.oo@gmail.com> writes:

> using 'argv_array_pushl()', I thought maybe I could call 'rev-parse.h'
> and use the 'cmd_rev_parse()' function directly.

Never call cmd_foo() from within your program for any value of
foo(), as it is not part of the approved API.  cmd_foo() is meant to
be the entry point of "run once and exit" function, it is not just
allowed but is expected to exit, and it also will do the in-core
repository setup etc.