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* gnu/packages/patches/emacs-deferred-fix-number-of-arguments.patch: New file. * gnu/packages/emacs-xyz.scm (emacs-deferred)[patches]: Use it here. * gnu/local.mk (dist_patch_DATA): Add it here.
58 lines
2.3 KiB
Diff
58 lines
2.3 KiB
Diff
From 226734f06196d31971d8ca2026a9ce432d5227d0 Mon Sep 17 00:00:00 2001
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From: r0man <roman@burningswell.com>
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Date: Thu, 26 May 2022 10:42:25 +0200
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Subject: [PATCH] Fix wrong-number-of-arguments error
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With Emacs 28 I'm seeing the following error when running the tests.
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```
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deferred error : (wrong-number-of-arguments #<subr start-process-shell-command> 4)
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```
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I believe this is because the `start-process-shell-command` function
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is called with the command arguments as &rest parameters. This is the
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function signature of `start-process-shell-command`, and it only takes
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3 arguments, the name, buffer, and command. The command argument can
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be a shell string like "ls -l" for example.
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```
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(defun start-process-shell-command (name buffer command) ...)
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```
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The `start-process` function on the other hand has &rest parameters
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and can be called with a list of arguments.
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```
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(defun start-process (name buffer program &rest program-args) ...)
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```
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This PR fixes the issue by concatenating the command and it's argument
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before calling out to `deferred:process-buffer-gen`, which is used in
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both cases, when calling `start-process-shell-command`, and when
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calling `start-process`.
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---
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deferred.el | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/deferred.el b/deferred.el
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index 041c90b..3092ac0 100644
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--- a/deferred.el
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+++ b/deferred.el
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@@ -754,7 +754,7 @@ object. The process name and buffer name of the argument of the
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`start-process-shell-command' are generated by this function automatically.
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The next deferred object receives stdout and stderr string from
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the command process."
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- (deferred:process-gen 'start-process-shell-command command args))
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+ (deferred:process-gen 'start-process-shell-command (string-join (cons command args) " ") nil))
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(defun deferred:process-buffer (command &rest args)
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"A deferred wrapper of `start-process'. Return a deferred
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@@ -770,7 +770,7 @@ object. The process name and buffer name of the argument of the
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`start-process-shell-command' are generated by this function automatically.
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The next deferred object receives stdout and stderr buffer from
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the command process."
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- (deferred:process-buffer-gen 'start-process-shell-command command args))
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+ (deferred:process-buffer-gen 'start-process-shell-command (string-join (cons command args) " ") nil))
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(defun deferred:process-gen (f command args)
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"[internal]"
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