Hi Junio, Thanks for your response. "git cat-file" prints the commit message without leading space on each line, however extra leading/trailing line breaks of the commit message is still removed. > On Mar 28, 2022, at 1:53 PM, Junio C Hamano <gitster@xxxxxxxxx> wrote: > > PMEase <robin@xxxxxxxxxx> 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.