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authorLudovic Courtès <ludo@gnu.org>2023-03-13 13:52:38 +0100
committerLudovic Courtès <ludo@gnu.org>2023-06-18 23:36:25 +0200
commit1261ce15233cbf7e24de9959df86a23b46314a28 (patch)
tree4745d38afb66475ade2e66fc52a7b9bd3bdb8e3b /guix/store
parent81231bf236509a50c1b81191989cf6358f497e1b (diff)
downloadguix-1261ce15233cbf7e24de9959df86a23b46314a28.tar.gz
store: Tolerate non-existent GC root directories.
* guix/store/roots.scm (gc-roots): Wrap 'scandir*' call in 'catch'.
* tests/store-roots.scm ("gc-roots, initial"): New test.  Move
'open-connection' call below.
Diffstat (limited to 'guix/store')
-rw-r--r--guix/store/roots.scm12
1 files changed, 10 insertions, 2 deletions
diff --git a/guix/store/roots.scm b/guix/store/roots.scm
index 222f69c5c0..6b949b5a86 100644
--- a/guix/store/roots.scm
+++ b/guix/store/roots.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2012, 2013, 2014, 2017, 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2012-2014, 2017, 2019, 2023 Ludovic Courtès <ludo@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -105,7 +105,15 @@ are user-controlled symlinks stored anywhere on the file system."
                                      (map (match-lambda
                                             ((file . properties)
                                              (cons (scope file) properties)))
-                                          (scandir* directory regular?)))))
+                                          (catch 'system-error
+                                            (lambda ()
+                                              (scandir* directory regular?))
+                                            (lambda args
+                                              (if (= ENOENT
+                                                     (system-error-errno
+                                                      args))
+                                                  '()
+                                                  (apply throw args))))))))
              (loop (append rest (map first sub-directories))
                    (append (map canonical-root (filter symlink? files))
                            roots)