Received: (at 36270) by debbugs.gnu.org; 19 Jun 2019 19:23:42 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Jun 19 15:23:42 2019 Received: from localhost ([127.0.0.1]:47434 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1hdgBK-00085a-5x for submit <at> debbugs.gnu.org; Wed, 19 Jun 2019 15:23:42 -0400 Received: from mail-qk1-f181.google.com ([209.85.222.181]:40166) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <lekktu@HIDDEN>) id 1hdgBI-00085N-Nq for 36270 <at> debbugs.gnu.org; Wed, 19 Jun 2019 15:23:41 -0400 Received: by mail-qk1-f181.google.com with SMTP id c70so280682qkg.7 for <36270 <at> debbugs.gnu.org>; Wed, 19 Jun 2019 12:23:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=DDbDg6U1UeQNagnAqwMkIWaHRqK6q6LDpfEdOMJFD70=; b=ek7Zu5KtP3H9DA60fgF3iOy2g7Xj8CloqaxNH0YnUfrPyDBcpJSiT7OC+wgjVdWuSr xzwx9rMlMlRWou/q8lxDnBQB+xHSQLdGPTVpYkZr/iqRYzuMO3siaKdg7h/UJgNZooIf +m/Y2NCJXBxQa7O+l6SScAzz8BlnBshK0xABT9ZIJQ5CRGe09kSL3lXhiJ9Y2IyYU8HA aiRllmNEVJtmzFP4WrrIMekEy8N6mRfuUKo7AZpcjPYOxDBFy6d1m+//7E17wTiHyALc 0X1WOlwGunh+WxkmN2WBmHhFU0b73wzE3YT9XFS3HtRgz76+nzniSxDsSVCyIA48X+u2 hmdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=DDbDg6U1UeQNagnAqwMkIWaHRqK6q6LDpfEdOMJFD70=; b=HD5g43eHasms0se3zaoWf4EnuKhnwrasWqbrjigTPLJXKKymd+8NwNA9FtTbUgcec0 Aeou9HfdNTtwn+EVJRgFq5mzGiw0WfzngPg4iYP9ScEzbx/iFVoXbA2ajzmhqnd/qAWl qddU81JfJNeJSIUzfbe6vRy2PJL/jACB6M831/XzfPCmjZ6mOO1WenKGRszGqmyd1TZ/ sWJ40xYFNdhDVeUmo+NvYs3UwMvflVS8b2Ivz7eYV4kH1s3zeCcwcHKAVvsgqNFC3Xnd lnQXRrF40HWr7AZrD3V96xAhWrAH5HPizT5BCWhs2FeS1PAeaLFaTuxprrHFBikZn8Md u+Bw== X-Gm-Message-State: APjAAAW01JSFS0YtdcgB4DkO8HaklB+fnURgWdA82L/Gay1/DY2Ix1HT wWCqMgcUx64gTxjTkcGuY5L+vKWvM62L6K+Xysg= X-Google-Smtp-Source: APXvYqxaOsFxBcHPzPs3abeuY7fI3O+qtuONJQlabugErPjKBQtvF1NaXalUuFFMedrsCp6AW3qKGmHAgfZxizVHdt0= X-Received: by 2002:a37:ea0c:: with SMTP id t12mr32432394qkj.117.1560972215169; Wed, 19 Jun 2019 12:23:35 -0700 (PDT) MIME-Version: 1.0 References: <2lef3rrbaa.fsf@HIDDEN> <CAAeL0SQcW8Wxb9wGjxV+xaHeZ6KtkfdCObRiyRtTNiUzHHgJow@HIDDEN> <83r27qsuox.fsf@HIDDEN> <CAAeL0SS4zhoqL-ifWzeQ3wRxjCrCAU_vV4oHppSZrcGf-C=9=Q@HIDDEN> <83o92tr1b2.fsf@HIDDEN> <CAAeL0SQU2t8LwyGJoWpxTpj3ebw=qNr1aT0RS6-ggWBqdYfteQ@HIDDEN> <vz1fto5xypx.fsf@HIDDEN> In-Reply-To: <vz1fto5xypx.fsf@HIDDEN> From: Juanma Barranquero <lekktu@HIDDEN> Date: Wed, 19 Jun 2019 21:22:59 +0200 Message-ID: <CAAeL0SQ-XCHoP6XRo62QOUrKtx6X=JB6h22rh2Lp5Cd+2o=ELw@HIDDEN> Subject: Re: bug#36270: executable-find does not find shell commands on MSYS2 To: Andy Moreton <andrewjmoreton@HIDDEN> Content-Type: text/plain; charset="UTF-8" X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 36270 Cc: 36270 <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: -1.0 (-) On Wed, Jun 19, 2019 at 7:44 PM Andy Moreton <andrewjmoreton@HIDDEN> wrote: > I use the following advice in a Windows build of emacs to get shell > scripts working for Cygwin. MSYS2 should be similar, with a suitable > setting for `shell-file-name': That seems useful, thanks. Though there's no error checking at all, isn't it? You try to execute a command, and if it is not executable from `executable-find' POV, off to the shell it goes...
bug-gnu-emacs@HIDDEN:bug#36270; Package emacs.
Full text available.Received: (at 36270) by debbugs.gnu.org; 19 Jun 2019 19:21:15 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Jun 19 15:21:15 2019 Received: from localhost ([127.0.0.1]:47430 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1hdg8w-000822-Nv for submit <at> debbugs.gnu.org; Wed, 19 Jun 2019 15:21:14 -0400 Received: from mail-qt1-f170.google.com ([209.85.160.170]:42712) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <lekktu@HIDDEN>) id 1hdg8v-00081o-Tj for 36270 <at> debbugs.gnu.org; Wed, 19 Jun 2019 15:21:14 -0400 Received: by mail-qt1-f170.google.com with SMTP id s15so357980qtk.9 for <36270 <at> debbugs.gnu.org>; Wed, 19 Jun 2019 12:21:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=v3t7ttak4FLX65e9JnXAjVaRjIJ0+Sww7BRDuKGmWc8=; b=dxerEsD5PqhDBrr1o1sglPiUTk64IygYDco3UxhWmeaVHp34GmDpJaheBvlSI2LGTT DX39JETmTPrUtax4VVLL4xrdQCiG42b3VdZlxQTHDPuW6Z+nVWvK+QsH3GJqweE8tyw4 PFiCfTR/U82eMzNuHgRH9X46i2RSt3xxI7ue8mb0xnNuj8wxWb9kmYnX+/0+QBTKjHWP SviHTbX8Sae1rBvxYu8NiV9GCS9s5JpBSiuZwCQkZmEOMsbCAfIPew0n5Tdxi8ZRWmTV jjAraMyTbUFgijdPpI056b1koFoh3gPgv0ZR8Tke0go2/uPTBGAX8+savsed67/AcMSd cxdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=v3t7ttak4FLX65e9JnXAjVaRjIJ0+Sww7BRDuKGmWc8=; b=Fxx6oxvECWC4uyQjqr2Zj5uR7gfUAiMyuh1Oxnt9/mZqvEKAiHp5CzF7zuMYfZ5sNp KCLvbpXDv5YDjT1TesGZFjrU7gDzI6muNp+CIhe8ZPtazhWhvK8k7kE4LGt0mX4l6SpE 40fQ6hGWhd7hBleu7pjS5GYzhRLOkmoh8NmNdZrfMnA602FNBJ8cPVNjuvbQ4xQ5DtHn GMT7nFXuA0OY7wBZzjDAab9bw9PfyH2AUFZcCYIjW3bVtpEfR7Q6Qs7Wc4j/rLS2bt1H GaXtdu9yGFAycXOnP8lxYpHUF5nqJPo84TaT/vPG2Nc9gOGzjUbbKSoWBaXexqqi3S1i BPSw== X-Gm-Message-State: APjAAAUSkmgIKKCb7UrM1ULof29KWcmZXgVELINse8xIYMeFCQjWwFgo 3RsmF6gcuZcqkFK6rQe+PiwMVNn78RVbpa8bGsnwLh2m X-Google-Smtp-Source: APXvYqzaNgMliCcFTNC+gmJ/g0+ULQQ01QZn3GZvVniE9oKjRj7qYVLjiKMMU5o8UUnoZ0sVE5WIbY/ISbXKDZ/zPcc= X-Received: by 2002:ac8:376e:: with SMTP id p43mr108688022qtb.354.1560972067143; Wed, 19 Jun 2019 12:21:07 -0700 (PDT) MIME-Version: 1.0 References: <CAAeL0SQU2t8LwyGJoWpxTpj3ebw=qNr1aT0RS6-ggWBqdYfteQ@HIDDEN> <2lef3rrbaa.fsf@HIDDEN> <CAAeL0SQcW8Wxb9wGjxV+xaHeZ6KtkfdCObRiyRtTNiUzHHgJow@HIDDEN> <83r27qsuox.fsf@HIDDEN> <CAAeL0SS4zhoqL-ifWzeQ3wRxjCrCAU_vV4oHppSZrcGf-C=9=Q@HIDDEN> <83o92tr1b2.fsf@HIDDEN> In-Reply-To: <83o92tr1b2.fsf@HIDDEN> From: Juanma Barranquero <lekktu@HIDDEN> Date: Wed, 19 Jun 2019 21:20:30 +0200 Message-ID: <CAAeL0STQEsc9JeBmPBhOn9vdjpXfSGXTHNVAaH6AcoT5Bnm8gQ@HIDDEN> Subject: Re: bug#36270: executable-find does not find shell commands on MSYS2 To: Eli Zaretskii <eliz@HIDDEN> Content-Type: text/plain; charset="UTF-8" X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 36270 Cc: Glenn Morris <rgm@HIDDEN>, 36270 <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: -1.0 (-) On Wed, Jun 19, 2019 at 6:24 PM Eli Zaretskii <eliz@HIDDEN> wrote: > Kids down here have a saying: "almost doesn't count" ;-) Err... Don't want to think about the context for *that* ;-) > Exactly. So what would be the point of having a general-purpose API > return files that can be useful only with some methods of running a > program? It will only cause confusion and bug reports. That's an argument about the general-purpose API return these files, not about having a special-purpose API, isn't it? > So to support that, we will need to change sys_spawnve and/or > cmdproxy to detect an extension that appears in PATHEXT, and then > either invoke through cmdproxy or use ShellExecute instead of > CreateProcess. And this is the more complex part of the job. Ok, now I understand. I will look into it, but no promises and of course no hurry. > One non-ugly fix is to use RCS from the ezwinports site. The binaries > there are 32-bit, but I don't think it will make any difference. With your binaries installed the test will pass (haven't tested yet, but seems likely). But that does not solve the issue that someone with a MSYS2 build environment has a working rcs installation, and yet the vc-tests fail. Of course, the thing is that, from Emacs POV, that's not a "working rcs installation" at all...
bug-gnu-emacs@HIDDEN:bug#36270; Package emacs.
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From: Andy Moreton <andrewjmoreton@HIDDEN>
Subject: Re: bug#36270: executable-find does not find shell commands on MSYS2
Date: Wed, 19 Jun 2019 18:38:02 +0100
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On Wed 19 Jun 2019, Eli Zaretskii wrote:
>> From: Juanma Barranquero <lekktu@HIDDEN>
>> I stumbled upon this because I was trying to understand failures in
>> vc-tests.el on Windows, and the reason is that it calls call-process
>> to run some shell scripts, like ci. I'd like to fix that and run the
>> tests, but I haven't really stared at it long enough to know if
>> there's any non-ugly fix.
>
> One non-ugly fix is to use RCS from the ezwinports site. The binaries
> there are 32-bit, but I don't think it will make any difference.
I use the following advice in a Windows build of emacs to get shell
scripts working for Cygwin. MSYS2 should be similar, with a suitable
setting for `shell-file-name':
(defun call-process:filter-args (args)
"Ensure native Windows emacs can run shell script programs."
(let ((program (nth 0 args)))
(if (executable-find program)
args
(list shell-file-name (nth 1 args) (nth 2 args) (nth 3 args)
shell-command-switch
(mapconcat #'shell-quote-argument
(append (list program) (nthcdr 4 args)) " ")))))
(advice-add 'call-process :filter-args #'call-process:filter-args)
(defun make-process:filter-args (args)
"Ensure native Windows emacs can run shell script programs."
(let* ((command (plist-get args :command)))
(if (executable-find (car command))
args
(plist-put args :command
(list shell-file-name shell-command-switch
(mapconcat #'shell-quote-argument command " "))))))
(advice-add 'make-process :filter-args #'make-process:filter-args))
Perhaps something similar could be added for Windows builds.
AndyM
bug-gnu-emacs@HIDDEN:bug#36270; Package emacs.
Full text available.Received: (at 36270) by debbugs.gnu.org; 19 Jun 2019 16:24:29 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Jun 19 12:24:29 2019 Received: from localhost ([127.0.0.1]:47355 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1hddNs-0001Os-NO for submit <at> debbugs.gnu.org; Wed, 19 Jun 2019 12:24:28 -0400 Received: from eggs.gnu.org ([209.51.188.92]:50617) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1hddNr-0001Of-5N for 36270 <at> debbugs.gnu.org; Wed, 19 Jun 2019 12:24:27 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:41240) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1hddNm-00087N-1Q; Wed, 19 Jun 2019 12:24:22 -0400 Received: from [176.228.60.248] (port=2470 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from <eliz@HIDDEN>) id 1hddNf-0006d6-Q8; Wed, 19 Jun 2019 12:24:18 -0400 Date: Wed, 19 Jun 2019 19:24:01 +0300 Message-Id: <83o92tr1b2.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Juanma Barranquero <lekktu@HIDDEN> In-reply-to: <CAAeL0SS4zhoqL-ifWzeQ3wRxjCrCAU_vV4oHppSZrcGf-C=9=Q@HIDDEN> (message from Juanma Barranquero on Tue, 18 Jun 2019 22:49:33 +0200) Subject: Re: bug#36270: executable-find does not find shell commands on MSYS2 References: <CAAeL0SQU2t8LwyGJoWpxTpj3ebw=qNr1aT0RS6-ggWBqdYfteQ@HIDDEN> <2lef3rrbaa.fsf@HIDDEN> <CAAeL0SQcW8Wxb9wGjxV+xaHeZ6KtkfdCObRiyRtTNiUzHHgJow@HIDDEN> <83r27qsuox.fsf@HIDDEN> <CAAeL0SS4zhoqL-ifWzeQ3wRxjCrCAU_vV4oHppSZrcGf-C=9=Q@HIDDEN> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 36270 Cc: rgm@HIDDEN, 36270 <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: Juanma Barranquero <lekktu@HIDDEN> > Date: Tue, 18 Jun 2019 22:49:33 +0200 > Cc: Glenn Morris <rgm@HIDDEN>, 36270 <at> debbugs.gnu.org > > On Tue, Jun 18, 2019 at 6:51 PM Eli Zaretskii <eliz@HIDDEN> wrote: > > > We want to declare a file "executable" only if it can be invoked by _all_ > > possible means of running an executable file. > > Sure. But let's perhaps agree that there's something to be said for > files that are "almost executable". Kids down here have a saying: "almost doesn't count" ;-) > shell-command and variants are used (counting *very* roughly) about > 150 times in the elisp sources, vs. ~300 invocations of > call-process. Exactly. So what would be the point of having a general-purpose API return files that can be useful only with some methods of running a program? It will only cause confusion and bug reports. > > We could > > make the situation a tad better if we add support for the PATHEXT > > environment variable, as suggested in bug#7784, patches welcome. > > I've read the bug thread. What exactly does mean to "add support for > the PATHEXT environment variable"? Making file-executable-p take it > into account? That's one part, but it isn't the most important (nor the hardest) part. > Are files in the path with one of PATHEXT extensions runnable with > call-process? No, PATHEXT is consulted by cmd.exe and AFAIK also the ShellExecute API. So to support that, we will need to change sys_spawnve and/or cmdproxy to detect an extension that appears in PATHEXT, and then either invoke through cmdproxy or use ShellExecute instead of CreateProcess. And this is the more complex part of the job. > I stumbled upon this because I was trying to understand failures in > vc-tests.el on Windows, and the reason is that it calls call-process > to run some shell scripts, like ci. I'd like to fix that and run the > tests, but I haven't really stared at it long enough to know if > there's any non-ugly fix. One non-ugly fix is to use RCS from the ezwinports site. The binaries there are 32-bit, but I don't think it will make any difference.
bug-gnu-emacs@HIDDEN:bug#36270; Package emacs.
Full text available.Received: (at 36270) by debbugs.gnu.org; 18 Jun 2019 20:50:18 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Jun 18 16:50:18 2019 Received: from localhost ([127.0.0.1]:45680 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1hdL3a-0008VJ-BM for submit <at> debbugs.gnu.org; Tue, 18 Jun 2019 16:50:18 -0400 Received: from mail-qk1-f177.google.com ([209.85.222.177]:35145) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <lekktu@HIDDEN>) id 1hdL3Y-0008V2-7s for 36270 <at> debbugs.gnu.org; Tue, 18 Jun 2019 16:50:16 -0400 Received: by mail-qk1-f177.google.com with SMTP id l128so9530192qke.2 for <36270 <at> debbugs.gnu.org>; Tue, 18 Jun 2019 13:50:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=RyApn14whyo8grJ1OzJKIVFMrSpUFy6qithWmUx/SUQ=; b=h9qGMaBe1/tmA9wnOtH6nV0ZS+3gnq5wtsMxPzRtBRKrWvKBZdbaasYybEbsZo9//I VQy5/h4tFtdlt/MnuCQW0aVb66dJYoOs6YhDuBPILXvILtDvMqb341//5lqDecyehkhy jrKByftQe4Wf7yKjmRbkhnIHLpptaatcdQW+50IqJO5g4/y14qUB+V0smNIPDQONvSvm k3xn0drbcScY4PHUmWZAc208mD2Z0ksonW9oxxPe3lcrMDO+TKletaSWahnzDfYLI1nE g4CMS7RNXfcLjT4mepsyUlzp565vh/FJGjLT2EYy6qmfwYlu9YZWh7BDcPNopVYalhr3 zv1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=RyApn14whyo8grJ1OzJKIVFMrSpUFy6qithWmUx/SUQ=; b=rCb+NzR2xyw/e3ADtIWuxiQQb6KRTYkjnSagT83ScnIakIoR0EARwR0EvHaw1hhaSW DSlrhKdq2KDF4guDYbJ/ZOgdN+KU8k7duwn3oo9enP+Qfz41JyLitKeogJ2/KZ/YeT+R MDaLIJYsQNR6zXebSOwcD3ubysctdt9B98LXmxigMl74+ufuT1aQZXzVWuGFI2hMF4Az 6GHrBpevZn9lUl5K8eC4bVGbJnZeSbODNE5VZ2CFuIu7VCEjsAJQYTzv73fUMQzKEb/n P49EVUiF0cnGoTVv6YnLKhDNiGafyefW63dF5A1jVY9si/Dnv47gp6ON85ZjG+Y6lzv9 FTCA== X-Gm-Message-State: APjAAAUmZNcwFpxG9DDYEmz9GHEjjOYz2BAjs22EgYRnJVkDuNEon/6I HiS29JAlOG4/ZqGhdkJ+uXL810m1uen0fizUf70= X-Google-Smtp-Source: APXvYqx8Oh99pNBFehI8ncVpah31+FodXXBno/ySMTZSduBUVx8KVyT6SrllYpRD8a1OsBHTde02zN/yluJKQt1hCL4= X-Received: by 2002:a37:c45:: with SMTP id 66mr78571308qkm.31.1560891010476; Tue, 18 Jun 2019 13:50:10 -0700 (PDT) MIME-Version: 1.0 References: <CAAeL0SQU2t8LwyGJoWpxTpj3ebw=qNr1aT0RS6-ggWBqdYfteQ@HIDDEN> <2lef3rrbaa.fsf@HIDDEN> <CAAeL0SQcW8Wxb9wGjxV+xaHeZ6KtkfdCObRiyRtTNiUzHHgJow@HIDDEN> <83r27qsuox.fsf@HIDDEN> In-Reply-To: <83r27qsuox.fsf@HIDDEN> From: Juanma Barranquero <lekktu@HIDDEN> Date: Tue, 18 Jun 2019 22:49:33 +0200 Message-ID: <CAAeL0SS4zhoqL-ifWzeQ3wRxjCrCAU_vV4oHppSZrcGf-C=9=Q@HIDDEN> Subject: Re: bug#36270: executable-find does not find shell commands on MSYS2 To: Eli Zaretskii <eliz@HIDDEN> Content-Type: text/plain; charset="UTF-8" X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 36270 Cc: Glenn Morris <rgm@HIDDEN>, 36270 <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: -1.0 (-) On Tue, Jun 18, 2019 at 6:51 PM Eli Zaretskii <eliz@HIDDEN> wrote: > We want to declare a file "executable" only if it can be invoked by _all_ > possible means of running an executable file. Sure. But let's perhaps agree that there's something to be said for files that are "almost executable". shell-command and variants are used (counting *very* roughly) about 150 times in the elisp sources, vs. ~300 invocations of call-process. > We could > make the situation a tad better if we add support for the PATHEXT > environment variable, as suggested in bug#7784, patches welcome. I've read the bug thread. What exactly does mean to "add support for the PATHEXT environment variable"? Making file-executable-p take it into account? Are files in the path with one of PATHEXT extensions runnable with call-process? > I might be okay with adding a new function, shell-executable-find, > say. But we must first define what that means, exactly, and whether > it's feasible to implement something like that with reasonable effort > and complexity. Yeah, no rush. > Meanwhile, just set up trivial batch file wrappers for your shell > scripts, and Bob's your uncle. Sure. My shell scripts weren't the problem, anyhow. I know how to work around the issue. I stumbled upon this because I was trying to understand failures in vc-tests.el on Windows, and the reason is that it calls call-process to run some shell scripts, like ci. I'd like to fix that and run the tests, but I haven't really stared at it long enough to know if there's any non-ugly fix.
bug-gnu-emacs@HIDDEN:bug#36270; Package emacs.
Full text available.Received: (at 36270) by debbugs.gnu.org; 18 Jun 2019 16:51:39 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Jun 18 12:51:39 2019 Received: from localhost ([127.0.0.1]:45503 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1hdHKc-0001rU-TP for submit <at> debbugs.gnu.org; Tue, 18 Jun 2019 12:51:39 -0400 Received: from eggs.gnu.org ([209.51.188.92]:50942) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1hdHKb-0001rG-IQ for 36270 <at> debbugs.gnu.org; Tue, 18 Jun 2019 12:51:37 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:48258) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1hdHKW-0007fA-Bu; Tue, 18 Jun 2019 12:51:32 -0400 Received: from [176.228.60.248] (port=3639 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from <eliz@HIDDEN>) id 1hdHKU-0004qm-9M; Tue, 18 Jun 2019 12:51:30 -0400 Date: Tue, 18 Jun 2019 19:51:42 +0300 Message-Id: <83r27qsuox.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Juanma Barranquero <lekktu@HIDDEN> In-reply-to: <CAAeL0SQcW8Wxb9wGjxV+xaHeZ6KtkfdCObRiyRtTNiUzHHgJow@HIDDEN> (message from Juanma Barranquero on Tue, 18 Jun 2019 02:57:59 +0200) Subject: Re: bug#36270: executable-find does not find shell commands on MSYS2 References: <CAAeL0SQU2t8LwyGJoWpxTpj3ebw=qNr1aT0RS6-ggWBqdYfteQ@HIDDEN> <2lef3rrbaa.fsf@HIDDEN> <CAAeL0SQcW8Wxb9wGjxV+xaHeZ6KtkfdCObRiyRtTNiUzHHgJow@HIDDEN> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 36270 Cc: rgm@HIDDEN, 36270 <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: Juanma Barranquero <lekktu@HIDDEN> > Date: Tue, 18 Jun 2019 02:57:59 +0200 > Cc: 36270 <at> debbugs.gnu.org > > Still, there's nothing magic about call-process. Is the native way, > but not the only way to execute programs on Emacs. Why should > file-executable-p and executable-find privilege native vs shell > commands, in contexts where you can run the shell command easily? Because otherwise we would have inconsistencies: executable-find will find an "executable" which Emacs may or may not be able to run. We want to declare a file "executable" only if it can be invoked by _all_ possible means of running an executable file. This is a Windows-specific subtlety, because the mechanism for running arbitrary scripts is different from that of Posix systems. We could make the situation a tad better if we add support for the PATHEXT environment variable, as suggested in bug#7784, patches welcome. But this won't solve the problem entirely, when the user has some interpreter installed which doesn't register itself in PATHEXT. > (let ((shell-file-name "bash")) > (shell-command "ci --version")) > > => 0 > > As I said above, there's tension between two meanings of "executable" > here. Both are meaningful. I might be okay with adding a new function, shell-executable-find, say. But we must first define what that means, exactly, and whether it's feasible to implement something like that with reasonable effort and complexity. Meanwhile, just set up trivial batch file wrappers for your shell scripts, and Bob's your uncle.
bug-gnu-emacs@HIDDEN:bug#36270; Package emacs.
Full text available.Juanma Barranquero <lekktu@HIDDEN>
to control <at> debbugs.gnu.org.
Full text available.Juanma Barranquero <lekktu@HIDDEN>
to control <at> debbugs.gnu.org.
Full text available.Received: (at 36270) by debbugs.gnu.org; 18 Jun 2019 00:58:44 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Jun 17 20:58:43 2019 Received: from localhost ([127.0.0.1]:43505 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1hd2SR-0002ZF-Fk for submit <at> debbugs.gnu.org; Mon, 17 Jun 2019 20:58:43 -0400 Received: from mail-qk1-f182.google.com ([209.85.222.182]:40467) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <lekktu@HIDDEN>) id 1hd2SO-0002Yr-U3 for 36270 <at> debbugs.gnu.org; Mon, 17 Jun 2019 20:58:41 -0400 Received: by mail-qk1-f182.google.com with SMTP id c70so7467817qkg.7 for <36270 <at> debbugs.gnu.org>; Mon, 17 Jun 2019 17:58:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=GJd1HYAI+6WHVXFc6CKBI6cRclclN8QIuna4btIXTs8=; b=i2JQEanVwbSQj2vFdh4GVnMBCgvJi6IJXRP4vc77vUDqjcGZWmPk8nSadiTwF1CtGv N3M4f3MOVwfJmLC92EbriWIgOeLMXFIbOZ/Hf5TGl/zRO7y02GcoOoWKSBK6OlctB6fd eWdHMvHwqNMjk9AyurbG8mKf+sed4PH+/M0U1/h9qbbBYi1mn//4bHK/V98PBFHPWwRx /oPfYX8Wrxh5UrzUNTSWMd1d+XsbIuh6+LFd3ALZ0D4dpAGnDUl8HC3Rn3EuhzXbWb4U sPbMyhV9lk0hbiW4DJpfCA+/GeWPxi8GdCVFK9urkbrKJ/XdHvK8+Yh9VAG6rPanR9te zSdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=GJd1HYAI+6WHVXFc6CKBI6cRclclN8QIuna4btIXTs8=; b=DQfGoXh7TsZ0jVXxCmKzlPwUH/5a5FvmpzXy+M+cpBBAg73IVT0pu8zilqJh1s8FRA UdpVNoTr5wAJPNCLyHXQqOrh/wJ1kafFWr3cVJxXjRPPXy66L7+eBwv83PVJhjScinP3 1ltsRhu8SSzFHsw/IQEwcPPnL2sakr1DVCymyc1zJlWpn8j2AMIkZAEZw00hsGF0pSGi MGa2WVuiN7GbDBRbZTpJs4OGW969j4woD03iyZT9DEHLddH7O9x2gy6VfgMxJMaZOnOf pGBSZmXaVELI20We/p+vwOD4QFrxLwDh5Nrx3eEkW0ACbnU+mknqqgJBRE+IPefQikbC pFUQ== X-Gm-Message-State: APjAAAVVxAnrNMPO+AVhk7iLr31RuLy2Kf8PvBY6Xv7ALpD7gh3C+qKP rQnXSuRnJ6/Qvs+dbFZwVIcKccyIXLlEWGQCnOeAEdWhPuc= X-Google-Smtp-Source: APXvYqxn5wwjWETDCj2qiFVW23XmnnoqMlQybitxit+W0718CV3Mi/pco9WozyKbdvEgmG5PACcQ6y5guC5alWa7KrE= X-Received: by 2002:a37:ea0c:: with SMTP id t12mr22699854qkj.117.1560819515165; Mon, 17 Jun 2019 17:58:35 -0700 (PDT) MIME-Version: 1.0 References: <CAAeL0SQU2t8LwyGJoWpxTpj3ebw=qNr1aT0RS6-ggWBqdYfteQ@HIDDEN> <2lef3rrbaa.fsf@HIDDEN> In-Reply-To: <2lef3rrbaa.fsf@HIDDEN> From: Juanma Barranquero <lekktu@HIDDEN> Date: Tue, 18 Jun 2019 02:57:59 +0200 Message-ID: <CAAeL0SQcW8Wxb9wGjxV+xaHeZ6KtkfdCObRiyRtTNiUzHHgJow@HIDDEN> Subject: Re: bug#36270: executable-find does not find shell commands on MSYS2 To: Glenn Morris <rgm@HIDDEN> Content-Type: text/plain; charset="UTF-8" X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 36270 Cc: 36270 <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: -1.0 (-) merge 7784 36270 quit I hadn't found that one. Thanks. And yes, it's obviously mostly the same issue. Merged. Still, there's nothing magic about call-process. Is the native way, but not the only way to execute programs on Emacs. Why should file-executable-p and executable-find privilege native vs shell commands, in contexts where you can run the shell command easily? (let ((shell-file-name "bash")) (shell-command "ci --version")) => 0 As I said above, there's tension between two meanings of "executable" here. Both are meaningful.
bug-gnu-emacs@HIDDEN:bug#36270; Package emacs.
Full text available.Received: (at 36270) by debbugs.gnu.org; 18 Jun 2019 00:24:07 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Jun 17 20:24:07 2019 Received: from localhost ([127.0.0.1]:43493 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1hd1ux-0001ia-Gb for submit <at> debbugs.gnu.org; Mon, 17 Jun 2019 20:24:07 -0400 Received: from eggs.gnu.org ([209.51.188.92]:48360) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <rgm@HIDDEN>) id 1hd1uv-0001i6-BK for 36270 <at> debbugs.gnu.org; Mon, 17 Jun 2019 20:24:05 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:60480) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <rgm@HIDDEN>) id 1hd1uq-00055t-7a; Mon, 17 Jun 2019 20:24:00 -0400 Received: from rgm by fencepost.gnu.org with local (Exim 4.82) (envelope-from <rgm@HIDDEN>) id 1hd1un-0007jc-Hr; Mon, 17 Jun 2019 20:23:57 -0400 From: Glenn Morris <rgm@HIDDEN> To: Juanma Barranquero <lekktu@HIDDEN> Subject: Re: bug#36270: executable-find does not find shell commands on MSYS2 References: <CAAeL0SQU2t8LwyGJoWpxTpj3ebw=qNr1aT0RS6-ggWBqdYfteQ@HIDDEN> X-Spook: bootleg 2600 Capricorn UMTS SAPO World Trade Center X-Ran: ,L:MJ<koFFv4`w&bi@a}|eGFemz6V@&!BF>R`efvUN*9d]}6uPnq/Bo>03T}ue\gj]>ZQJ X-Hue: red X-Debbugs-No-Ack: yes X-Attribution: GM Date: Mon, 17 Jun 2019 20:23:57 -0400 In-Reply-To: <CAAeL0SQU2t8LwyGJoWpxTpj3ebw=qNr1aT0RS6-ggWBqdYfteQ@HIDDEN> (Juanma Barranquero's message of "Tue, 18 Jun 2019 01:42:29 +0200") Message-ID: <2lef3rrbaa.fsf@HIDDEN> User-Agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) MIME-Version: 1.0 Content-Type: text/plain X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 36270 Cc: 36270 <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 (---) https://debbugs.gnu.org/7784 ?
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Date: Tue, 18 Jun 2019 01:42:29 +0200
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Subject: executable-find does not find shell commands on MSYS2
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c:\Tools\msys64 is the root of my MSYS2 / MingW64 installation.
From the mingw64 console:
Juanma@ODIEFAST MINGW64 /d/Devel/emacs/repo/trunk
$ mount
C:/Tools/msys64 on / type ntfs (binary,noacl,auto)
C:/Tools/msys64/usr/bin on /bin type ntfs (binary,noacl,auto)
C: on /c type ntfs (binary,noacl,posix=3D0,user,noumount,auto)
Juanma@ODIEFAST MINGW64 /d/Devel/emacs/repo/trunk
$ which ci
/usr/bin/ci
Juanma@ODIEFAST MINGW64 /d/Devel/emacs/repo/trunk
$ ls -l /usr/bin/ci
-rwxr-xr-x 1 Juanma Juanma 806 Jun 1 2017 /usr/bin/ci
Juanma@ODIEFAST MINGW64 /d/Devel/emacs/repo/trunk
$ file /usr/bin/ci
/usr/bin/ci: POSIX shell script, ASCII text executable
Juanma@ODIEFAST MINGW64 /d/Devel/emacs/repo/trunk
$ ci --version
ci (GNU RCS) 5.9.4
Copyright (C) 2010-2017 Thien-Thi Nguyen
Copyright (C) 1990-1995 Paul Eggert
Copyright (C) 1982,1988,1989 Walter F. Tichy, Purdue CS
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.htm=
l>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Then, from Emacs (master or release branch):
ELISP> (setq shell-file-name "c:/Tools/msys64/usr/bin/bash.exe")
"c:/Tools/msys64/usr/bin/bash.exe"
ELISP> (shell-command-to-string "ci --version")
"ci (GNU RCS) 5.9.4
Copyright (C) 2010-2017 Thien-Thi Nguyen
Copyright (C) 1990-1995 Paul Eggert
Copyright (C) 1982,1988,1989 Walter F. Tichy, Purdue CS
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.htm=
l>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
"
ELISP> (executable-find "ci")
nil
ELISP> (locate-file "ci" exec-path exec-suffixes)
"c:/Tools/msys64/usr/bin/ci"
ELISP> (locate-file "ci" exec-path exec-suffixes 1)
nil
executable-find passes 1 to locate-file:
;; Use 1 rather than file-executable-p to better match the
;; behavior of call-process.
(let ((default-directory (file-name-quote default-directory 'top)))
(locate-file command exec-path exec-suffixes 1))))
Now, it is true that call-process will not find the shell command:
ELISP> (call-process "c:/Tools/msys64/usr/bin/ci" nil t)
*** Eval error *** Searching for program: No such file or directory,
c:/Tools/msys64/usr/bin/ci
but 'executable-find' is not defined in terms of call-process, but
finding commands in the exec-path:
(executable-find COMMAND &optional REMOTE)
Search for COMMAND in =E2=80=98exec-path=E2=80=99 and return the absolute f=
ile name.
Return nil if COMMAND is not found anywhere in =E2=80=98exec-path=E2=80=99.
so there's at least some tension between these two interpretations,
IMO. It's weird that you can make shell-command to execute a program
(with a relative, not absolute, name, like "ci"), and yet
executable-find fails to find it in the exec-path, where it, in fact,
is located.
Juanma Barranquero <lekktu@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#36270; Package emacs.
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