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Mon, 15 Feb 2021 10:45:23 -0500 (EST) Received: by tarpaulin.shahaf.local2 (Postfix, from userid 1005) id 4DfT2R60fDz8J; Mon, 15 Feb 2021 15:45:19 +0000 (UTC) Date: Mon, 15 Feb 2021 15:45:19 +0000 From: Daniel Shahaf To: zsh-workers@zsh.org Cc: Justine Tunney Subject: Re: PATCH: Allow more scripts without #! Message-ID: <20210215154519.GA18776@tarpaulin.shahaf.local2> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-Seq: 48054 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: Archived-At: Ping. This patch hasn't been reviewed. Justine Tunney wrote on Mon, Jan 25, 2021 at 22:35:18 -0800: > This change updates the binary safety check so that zsh can run shell > scripts with concatenated binary content within the first 128 bytes, > provided a line exists beforehand with a lowercase character or shell > expansion syntax. Note that this only impacts classic implicit shell > scripts which don't have a shebang line. > > POSIX rules were updated to loosen binary restrictions and require this > behavior going forward. A similar change was made last year to the FreeBSD > Almquist Shell. It's needed by projects such as the Cosmopolitan C Library, > which creates polyglot executables that run on all operating systems. > > I release this change into the public domain. See unlicense / creative > commons cc0.