From: "Ludovic Courtès" <ludo@gnu.org>
To: 54180@debbugs.gnu.org
Cc: "Ludovic Courtès" <ludo@gnu.org>
Subject: [bug#54180] [PATCH 06/12] home: symlink-manager: Avoid extra 'lstat' call.
Date: Sun, 27 Feb 2022 14:53:36 +0100 [thread overview]
Message-ID: <20220227135342.10296-6-ludo@gnu.org> (raw)
In-Reply-To: <20220227135342.10296-1-ludo@gnu.org>
* gnu/home/services/symlink-manager.scm (update-symlinks-script)[symlink-to-store?]:
Avoid extra 'lstat' call.
---
gnu/home/services/symlink-manager.scm | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/gnu/home/services/symlink-manager.scm b/gnu/home/services/symlink-manager.scm
index 6b3a9de3d1..ba42424e8e 100644
--- a/gnu/home/services/symlink-manager.scm
+++ b/gnu/home/services/symlink-manager.scm
@@ -103,8 +103,13 @@ (define (get-backup-path path)
(string-append backup-dir "/." path))
(define (symlink-to-store? path)
- (and (equal? (stat:type (lstat path)) 'symlink)
- (store-file-name? (readlink path))))
+ (catch 'system-error
+ (lambda ()
+ (store-file-name? (readlink path)))
+ (lambda args
+ (if (= EINVAL (system-error-errno args))
+ #f
+ (apply throw args)))))
(define (backup-file path)
(mkdir-p backup-dir)
--
2.34.0
next prev parent reply other threads:[~2022-02-27 14:07 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-27 13:40 [bug#54180] [PATCH 00/12] Home: Clarify and better test symlink-manager.scm Ludovic Courtès
2022-02-27 13:53 ` [bug#54180] [PATCH 01/12] home: symlink-manager: Clarify module imports Ludovic Courtès
2022-02-27 13:53 ` [bug#54180] [PATCH 02/12] home: symlink-manager: Move helper procedures as top-level defines Ludovic Courtès
2022-02-27 15:58 ` Maxime Devos
2022-03-10 10:28 ` [bug#54180] [PATCH 00/12] Home: Clarify and better test symlink-manager.scm Ludovic Courtès
2022-02-27 13:53 ` [bug#54180] [PATCH 03/12] home: symlink-manager: Use 'for-each' when used for effects Ludovic Courtès
2022-02-27 13:53 ` [bug#54180] [PATCH 04/12] home: symlink-manager: Use 'file-is-directory?' Ludovic Courtès
2022-02-27 13:53 ` [bug#54180] [PATCH 05/12] home: symlink-manager: Remove 'empty-directory?' and avoid TOCTTOU race Ludovic Courtès
2022-02-27 15:54 ` Maxime Devos
2022-03-05 22:19 ` [bug#54180] [PATCH 00/12] Home: Clarify and better test symlink-manager.scm Ludovic Courtès
2022-03-05 22:37 ` Maxime Devos
2022-02-27 13:53 ` Ludovic Courtès [this message]
2022-02-27 15:52 ` [bug#54180] [PATCH 06/12] home: symlink-manager: Avoid extra 'lstat' call Maxime Devos
2022-02-27 13:53 ` [bug#54180] [PATCH 07/12] tests: Make sure 'guix home reconfigure' backs up files Ludovic Courtès
2022-02-27 13:53 ` [bug#54180] [PATCH 08/12] tests: Simplify use of 'local-file' in 'tests/guix-home.sh' Ludovic Courtès
2022-02-27 13:53 ` [bug#54180] [PATCH 09/12] tests: Check 'guix home reconfigure' for a second generation Ludovic Courtès
2022-02-27 15:49 ` Maxime Devos
2022-03-05 22:20 ` [bug#54180] [PATCH 00/12] Home: Clarify and better test symlink-manager.scm Ludovic Courtès
2022-03-05 22:27 ` Maxime Devos
2022-03-05 22:38 ` Maxime Devos
2022-03-10 10:24 ` Ludovic Courtès
2022-03-10 10:23 ` Ludovic Courtès
2022-02-27 13:53 ` [bug#54180] [PATCH 10/12] home: symlink-manager: 'cleanup-symlinks' uses 'file-system-fold' Ludovic Courtès
2022-02-27 13:53 ` [bug#54180] [PATCH 11/12] home: symlink-manager: 'create-symlinks' " Ludovic Courtès
2022-02-27 16:00 ` Maxime Devos
2022-02-27 13:53 ` [bug#54180] [PATCH 12/12] home: symlink-manager: Rename "path" to "file" where appropriate Ludovic Courtès
2022-02-28 7:53 ` [bug#54180] [PATCH 00/12] Home: Clarify and better test symlink-manager.scm Andrew Tropin
2022-03-10 10:45 ` bug#54180: " Ludovic Courtès
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