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Tue, 20 Sep 2022 16:35:47 -0700 (PDT) MIME-Version: 1.0 References: <20220920131851.3rc27t4cfhwxchay@chazelas.org> In-Reply-To: <20220920131851.3rc27t4cfhwxchay@chazelas.org> From: Bart Schaefer Date: Tue, 20 Sep 2022 16:35:36 -0700 Message-ID: Subject: Re: $0 (or argv[0]) not used in error messages in zsh -c inlinescripts To: Zsh hackers list Content-Type: text/plain; charset="UTF-8" X-Seq: 50657 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: I believe that comes down to this bit of code in zwarning() (utils.c): char *prefix = scriptname ? scriptname : (argzero ? argzero : ""); ... /* * scriptname is set when sourcing scripts, so that we get the * correct name instead of the generic name of whatever * program/script is running. It's also set in shell functions, * so test locallevel, too. */ nicezputs((isset(SHINSTDIN) && !locallevel) ? "zsh" : prefix, stderr); In parseopts() (init.c) for the -c option there is: if (toplevel) scriptname = scriptfilename = ztrdup("zsh"); So because scriptname is always preferred and at toplevel is always set, you get the observed behavior. This is all pretty tangled up with POSIX_ARGZERO as well, so I'm not certain of the correct fix.