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From:   Junio C Hamano <gitster@pobox.com>
To:     PMEase <robin@pmease.com>
Cc:     git@vger.kernel.org
Subject: Re: How to get the original raw commit message without removing
 extra leading/trailing line breaks
References: <1BEBB3E1-0089-44CD-8D3B-3AA424C90E48@pmease.com>
Date:   Sun, 27 Mar 2022 22:53:50 -0700
In-Reply-To: <1BEBB3E1-0089-44CD-8D3B-3AA424C90E48@pmease.com> (PMEase's
        message of "Mon, 28 Mar 2022 13:42:18 +0800")
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PMEase <robin@pmease.com> writes:

[jc: wrapped overly long lines]

> I am using command "git show --format=raw <commit hash>" to get
> raw commit object in order to verify the GPG signature in my
> program to customize public key loading. However in the raw commit
> object, extra line breaks before and after the commit message is
> removed, which cause the signature verification failure as git
> generates the signature without removing those line breaks.

"git show --format=raw <commit object name>" will not give "raw
commit object" to begin with.  It indents the message by four
spaces.

"git cat-file commit <commit object name>" is what you want, I
think.