Received: (at 64939) by debbugs.gnu.org; 30 Jul 2023 05:05:01 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Jul 30 01:05:01 2023 Received: from localhost ([127.0.0.1]:49170 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qPyc0-0000OT-OU for submit <at> debbugs.gnu.org; Sun, 30 Jul 2023 01:05:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42632) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1qPybz-0000OH-FE for 64939 <at> debbugs.gnu.org; Sun, 30 Jul 2023 01:04:59 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1qPybu-0000vd-91; Sun, 30 Jul 2023 01:04:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=G/2VXlHePi/XFe1ZZ4R4WqROz+Zr0TbrH+x7nCh3kvA=; b=kPaFz3/zga7r KrB9rhRW33E/Vh9i0u+3/LC3esemjn++pzJKl9gp4qLj236N06YX32fTv0dKgM2Q1+vgbrUQMhjU0 O7m4T0Ps2ozjbm08xmvwngI3tf81FEs4DqfP5fVx0TPWQ2aIoRJb1upWpDICIGJMM+5iaQdA0hRLA qp+5Wz/X7Tv+lIahPI3mZW/3cg9lsFuWmbV7FLukgPKCS4KK30e35BclgU2YyhUVDyChZhBlzdq0P F8V6xBac+7mMLyT/TTsMKZo++VDWQZdUubmtWA8WbAGNe94fZe6uGJitKxC8hCsiZkekqmq8oCZwZ LMfmcN5I1SMgtoTlkBFoqQ==; Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1qPybt-0000FQ-OE; Sun, 30 Jul 2023 01:04:54 -0400 Date: Sun, 30 Jul 2023 08:04:53 +0300 Message-Id: <83y1iykn0q.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Wilhelm Kirschbaum <wkirschbaum@HIDDEN> In-Reply-To: <878rays89s.fsf@HIDDEN> (message from Wilhelm Kirschbaum on Sat, 29 Jul 2023 23:38:07 +0200) Subject: Re: bug#64939: 30.0.50; The default auto-mode-interpreter-regexp does not match env with flags References: <87mszebgwy.fsf@HIDDEN> <878rays89s.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 64939 Cc: 64939 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Wilhelm Kirschbaum <wkirschbaum@HIDDEN> > Date: Sat, 29 Jul 2023 23:38:07 +0200 > > This is a very naive solution to the above, but I am probably > missing some knowledge here and will break for anyone setting the > var to something custom. Feel free to make this change locally, but I don't see how this can be general enough for us to install it as the default value. For starters, 'env' can be invoked with several options, not just with one. Also, some 'env' options accept arguments, and how do we know if the word that follows "env -OPTION" is the command to check against interpreter-mode-alist or an argument of an option? IOW, I don't think this is a problem for a regexp-based solution. If we want to support such complex shebang lines (btw, does the Posix or GNU/Linux shell support them?), we should analyze the text after "env" to find the candidate interpreter. Not sure whether even that will provide a robust solution. Btw, can't you satisfy your needs via file-local variables?
bug-gnu-emacs@HIDDEN
:bug#64939
; Package emacs
.
Full text available.Received: (at 64939) by debbugs.gnu.org; 30 Jul 2023 04:53:54 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Jul 30 00:53:54 2023 Received: from localhost ([127.0.0.1]:49163 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qPyRG-00061b-G2 for submit <at> debbugs.gnu.org; Sun, 30 Jul 2023 00:53:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35864) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1qPyRB-00061M-S2 for 64939 <at> debbugs.gnu.org; Sun, 30 Jul 2023 00:53:52 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1qPyR6-0004Sq-Cu; Sun, 30 Jul 2023 00:53:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=awSoqVjsnSl6aIvigBunI2EOhjGorXNES3ZV7FsGV9Q=; b=Loq3MaD5DWef 5JDAxMFzVL9v1U/UCGVFhIoNJxGKBvQM+0xQ6yNmAIiTuyOG82gq6smWX+c2FD+9hdHBo+Wt75Xqe doXbkA5T3UihYlMku5PkUFovF5xtlpBr0CqogcCuAeyCWBKLjwAB9m93dZv02YrUqU6aqyLuieEpL sYcZoT3mOh07NbFCrTVR6DaxbOjW8JmCRV/gK2fGM2sgVx64jGGMS4gVDa+aDlt0lZRu52/QWiF+2 epOFpQ2DBHNESSM82knoH9s1Eh3OR8DKBLuaU7sAzlkFg82kDM4sLe77zWYZcF7VzogFaXSGATB1D PDONbcqaQ3/zAC4YsfW4xw==; Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1qPyR5-0000fh-Pz; Sun, 30 Jul 2023 00:53:44 -0400 Date: Sun, 30 Jul 2023 07:53:42 +0300 Message-Id: <83zg3eknjd.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Wilhelm Kirschbaum <wkirschbaum@HIDDEN> In-Reply-To: <87mszebgwy.fsf@HIDDEN> (message from Wilhelm Kirschbaum on Sat, 29 Jul 2023 22:08:19 +0200) Subject: Re: bug#64939: 30.0.50; The default auto-mode-interpreter-regexp does not match env with flags References: <87mszebgwy.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 64939 Cc: 64939 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Wilhelm Kirschbaum <wkirschbaum@HIDDEN> > Date: Sat, 29 Jul 2023 22:08:19 +0200 > > > A file without an extension will load ruby-mode if the first line > is: > > #!/usr/bin/env ruby > > but not when the first line is: > > #!/usr/bin/env -S ruby -e 'puts 123' > > Is there any reason why the latter should not be matched by the > default > `auto-mode-interpreter-regexp' value in 'files.el'? That line _is_ matched by auto-mode-interpreter-regexp: (string-match-p auto-mode-interpreter-regexp "#!/usr/bin/env -S ruby -e 'puts 123'") => 0 The problem is how to find the name of the interpreter if the text after "/usr/bin/env" includes more than one word? Once we start using command-line switches and their arguments, and take into consideration that many GNU/Linux programs can freely intersperse options and non-option arguments on the command line in any order, where does this end? > A more useful example I stumbled on today while working on a > language > server after adding: > > `(add-to-list 'interpreter-mode-alist '("elixir" > . elixir-ts-mode))' > > > #!/usr/bin/env -S elixir --erl "-kernel standard_io_encoding > latin1" How about making a script that invokes elixir with those arguments, and then augment interpreter-mode-alist to name that script instead?
bug-gnu-emacs@HIDDEN
:bug#64939
; Package emacs
.
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Sat, 29 Jul 2023 14:44:02 -0700 (PDT) References: <87mszebgwy.fsf@HIDDEN> User-agent: mu4e 1.9.3; emacs 30.0.50 From: Wilhelm Kirschbaum <wkirschbaum@HIDDEN> To: bug-gnu-emacs@HIDDEN Subject: Re: 30.0.50; The default auto-mode-interpreter-regexp does not match env with flags Date: Sat, 29 Jul 2023 23:38:07 +0200 In-reply-to: <87mszebgwy.fsf@HIDDEN> Message-ID: <878rays89s.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; format=flowed Received-SPF: pass client-ip=2a00:1450:4864:20::329; envelope-from=wkirschbaum@HIDDEN; helo=mail-wm1-x329.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: 1.0 (+) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -0.0 (/) > A file without an extension will load ruby-mode if the first > line is: > > #!/usr/bin/env ruby > > but not when the first line is: > > #!/usr/bin/env -S ruby -e 'puts 123' > > Is there any reason why the latter should not be matched by the > default > `auto-mode-interpreter-regexp' value in 'files.el'? > > > A more useful example I stumbled on today while working on a > language > server after adding: > > `(add-to-list 'interpreter-mode-alist '("elixir" > . elixir-ts-mode))' > > > #!/usr/bin/env -S elixir --erl "-kernel standard_io_encoding > latin1" > > Node.start(:"next-ls-#{System.system_time()}", :shortnames) > .... > > > > Wilhelm This is a very naive solution to the above, but I am probably missing some knowledge here and will break for anyone setting the var to something custom. modified lisp/files.el @@ -3243,7 +3243,7 @@ inhibit-local-variables-p (defvar auto-mode-interpreter-regexp (purecopy "#![ \t]?\\([^ \t\n]*\ -/bin/env[ \t]\\)?\\([^ \t\n]+\\)") +/bin/env[ \t]\\)?\\(-\\{1,2\\}[a-zA-Z1-9=]+[ \t]+\\)?\\([^ \t\n]+\\)") "Regexp matching interpreters, for file mode determination. This regular expression is matched against the first line of a file to determine the file's mode in `set-auto-mode'. If it matches, the file @@ -3445,7 +3445,7 @@ set-auto-mode (setq mode (save-excursion (goto-char (point-min)) (if (looking-at auto-mode-interpreter-regexp) - (match-string 2)))) + (match-string 3)))) ;; Map interpreter name to a mode, signaling we're done at the ;; same time. (setq done (assoc-default modified lisp/progmodes/sh-script.el @@ -1481,7 +1481,7 @@ sh--guess-shell (cond ((save-excursion (goto-char (point-min)) (looking-at auto-mode-interpreter-regexp)) - (match-string 2)) + (match-string 3)) ((not buffer-file-name) sh-shell-file) ;; Checks that use `buffer-file-name' follow. ((string-match "\\.m?spec\\'" buffer-file-name) "rpm")
bug-gnu-emacs@HIDDEN
:bug#64939
; Package emacs
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Sat, 29 Jul 2023 13:29:20 -0700 (PDT) User-agent: mu4e 1.9.3; emacs 30.0.50 From: Wilhelm Kirschbaum <wkirschbaum@HIDDEN> To: bug-gnu-emacs@HIDDEN Subject: 30.0.50; The default auto-mode-interpreter-regexp does not match env with flags Date: Sat, 29 Jul 2023 22:08:19 +0200 Message-ID: <87mszebgwy.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; format=flowed Received-SPF: pass client-ip=2a00:1450:4864:20::230; envelope-from=wkirschbaum@HIDDEN; helo=mail-lj1-x230.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: 1.0 (+) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -0.0 (/) A file without an extension will load ruby-mode if the first line is: #!/usr/bin/env ruby but not when the first line is: #!/usr/bin/env -S ruby -e 'puts 123' Is there any reason why the latter should not be matched by the default `auto-mode-interpreter-regexp' value in 'files.el'? A more useful example I stumbled on today while working on a language server after adding: `(add-to-list 'interpreter-mode-alist '("elixir" . elixir-ts-mode))' #!/usr/bin/env -S elixir --erl "-kernel standard_io_encoding latin1" Node.start(:"next-ls-#{System.system_time()}", :shortnames) .... Wilhelm
Wilhelm Kirschbaum <wkirschbaum@HIDDEN>
:bug-gnu-emacs@HIDDEN
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Full text available.bug-gnu-emacs@HIDDEN
:bug#64939
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