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[116.206.28.19]) by smtp.gmail.com with ESMTPSA id bb18sm9863636pjb.44.2021.05.21.21.06.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 21 May 2021 21:06:15 -0700 (PDT) Subject: Re: RFC: error codes on exit To: "H. Peter Anvin" , Alex Henrie , Felipe Contreras Cc: Jonathan Nieder , Git mailing list , Josh Steadmon , Jeff King , Jeff Hostetler References: <60a5afeeb13b4_1d8f2208a5@natae.notmuch> From: Bagas Sanjaya Message-ID: <657d3d24-2f08-f076-5c84-9ae434149530@gmail.com> Date: Sat, 22 May 2021 11:06:11 +0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org On 22/05/21 06.20, H. Peter Anvin wrote: > > > >     -hpa > Looking that header file you mention, I saw: > #define EX_OK 0 /* successful termination */ > > #define EX__BASE 64 /* base value for error messages */ > > #define EX_USAGE 64 /* command line usage error */ > #define EX_DATAERR 65 /* data format error */ > #define EX_NOINPUT 66 /* cannot open input */ > #define EX_NOUSER 67 /* addressee unknown */ > #define EX_NOHOST 68 /* host name unknown */ > #define EX_UNAVAILABLE 69 /* service unavailable */ > #define EX_SOFTWARE 70 /* internal software error */ > #define EX_OSERR 71 /* system error (e.g., can't fork) */ > #define EX_OSFILE 72 /* critical OS file missing */ > #define EX_CANTCREAT 73 /* can't create (user) output file */ > #define EX_IOERR 74 /* input/output error */ > #define EX_TEMPFAIL 75 /* temp failure; user is invited to retry */ > #define EX_PROTOCOL 76 /* remote error in protocol */ > #define EX_NOPERM 77 /* permission denied */ > #define EX_CONFIG 78 /* configuration error */ For EX_USAGE case, we may sometimes display correct usage syntax so that users can fix their typing. We may use EX_CONFIG when we encounter any errors when parsing .gitconfig. EX_OSFILE isn't necessary for Git, though. -- An old man doll... just what I always wanted! - Clara