From aad8a143000600abec5c8ebfadec4c09f34f1b73 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Thu, 12 Oct 2017 14:52:53 +0200
Subject: services: cleanup: Remove Shadow lock files from /etc.

Partly fixes <https://bugs.gnu.org/28772>.
Reported by Oleg Pykhalov <go.wigust@gmail.com>.

* gnu/services.scm (cleanup-gexp): Remove /etc/{passwd,group}.lock and
/etc/.pwd.lock.
---
 gnu/services.scm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gnu/services.scm b/gnu/services.scm
index 329b7b1513..0bd3620852 100644
--- a/gnu/services.scm
+++ b/gnu/services.scm
@@ -368,6 +368,12 @@ boot."
                                                 #t))))
                     ;; Ignore I/O errors so the system can boot.
                     (fail-safe
+                     ;; Remove stale Shadow lock files as they would lead to
+                     ;; failures of 'useradd' & co.
+                     (delete-file "/etc/group.lock")
+                     (delete-file "/etc/passwd.lock")
+                     (delete-file "/etc/.pwd.lock") ;from 'lckpwdf'
+
                      (delete-file-recursively "/tmp")
                      (delete-file-recursively "/var/run")
                      (mkdir "/tmp")
-- 
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