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bug#66115: [PATCH] Ensure that directory is expanded in package-vc-check
From: |
Joseph Turner |
Subject: |
bug#66115: [PATCH] Ensure that directory is expanded in package-vc-checkout |
Date: |
Fri, 22 Sep 2023 01:33:45 -0700 |
Philip Kaludercic <philipk@posteo.net> writes:
> Joseph Turner <joseph@breatheoutbreathe.in> writes:
>
>> Tags: patch
>>
>> Tags: patch
>>
>> This patch fixes a serious bug which caused package-vc-checkout to fail
>> entirely when its second argument `directory' was not expanded.
>>
>> From 75a6ec74ff5e31edc7592b68e7ad9d1ec26f515c Mon Sep 17 00:00:00 2001
>> From: Joseph Turner <joseph@breatheoutbreathe.in>
>> Date: Wed, 20 Sep 2023 00:12:10 -0700
>> Subject: [PATCH] Ensure that directory is expanded in package-vc-checkout
>>
>> * lisp/emacs-lisp/package-vc.el (package-vc-checkout)
>> ---
>> lisp/emacs-lisp/package-vc.el | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/lisp/emacs-lisp/package-vc.el b/lisp/emacs-lisp/package-vc.el
>> index 29b540d86b8..47d8c996ff0 100644
>> --- a/lisp/emacs-lisp/package-vc.el
>> +++ b/lisp/emacs-lisp/package-vc.el
>> @@ -834,6 +834,7 @@ for the last released version of the package."
>> (setf dir subdir)
>> (user-error "Directory not empty: %S" (expand-file-name dir)))))
>> (list desc dir (and current-prefix-arg :last-release))))
>> + (setf directory (expand-file-name directory))
>> (package-vc--archives-initialize)
>> (let ((pkg-spec (or (package-vc--desc->spec pkg-desc)
>> (and-let* ((extras (package-desc-extras pkg-desc))
>
> DIRECTORY is passed on to `package-vc--clone' and in turn `vc-clone'.
> Wouldn't it be more robust to ensure that `vc-clone' can handle
> unexpanded directory names, eg. like this:
>
> diff --git a/lisp/vc/vc.el b/lisp/vc/vc.el
> index 2f4b028bb4a..7f334397a5e 100644
> --- a/lisp/vc/vc.el
> +++ b/lisp/vc/vc.el
> @@ -3676,8 +3676,7 @@ vc-clone
> checkout. If BACKEND is nil, iterate through every known backend
> in `vc-handled-backends' until one succeeds. If REV is non-nil,
> it indicates a specific revision to check out."
> - (unless directory
> - (setq directory default-directory))
> + (setq directory (expand-file-name (or directory default-directory)))
> (if backend
> (progn
> (unless (memq backend vc-handled-backends)
Yes, certainly. Your solution is better.