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-rw-r--r--gnu/services.scm4
-rw-r--r--gnu/tests/base.scm23
2 files changed, 27 insertions, 0 deletions
diff --git a/gnu/services.scm b/gnu/services.scm
index f72d4d5785..e645889d30 100644
--- a/gnu/services.scm
+++ b/gnu/services.scm
@@ -345,6 +345,10 @@ ACTIVATION-SCRIPT-TYPE."
;; thus there is no accounting at all.
(close-port (open-file "/var/run/utmpx" "a0"))
+ ;; Same for 'wtmp', which is populated by mingetty et
+ ;; al.
+ (close-port (open-file "/var/log/wtmp" "a0"))
+
;; Set up /run/current-system. Among other things this
;; sets up locales, which the activation snippets
;; executed below may expect.
diff --git a/gnu/tests/base.scm b/gnu/tests/base.scm
index 2687a6cdb8..a725ca90f3 100644
--- a/gnu/tests/base.scm
+++ b/gnu/tests/base.scm
@@ -194,6 +194,29 @@ info --version")
(utmpx-entries)))
marionette))
+ ;; Likewise for /var/log/wtmp (used by 'last').
+ (test-assert "wtmp entry"
+ (match (marionette-eval
+ '(begin
+ (use-modules (guix build syscalls)
+ (srfi srfi-1))
+
+ (define (entry->list entry)
+ (list (utmpx-user entry) (utmpx-line entry)
+ (utmpx-host entry) (utmpx-login-type entry)))
+
+ (call-with-input-file "/var/log/wtmp"
+ (lambda (port)
+ (let loop ((result '()))
+ (if (eof-object? (peek-char port))
+ (map entry->list (reverse result))
+ (loop (cons (read-utmpx port) result)))))))
+ marionette)
+ (((users lines hosts types) ..1)
+ (every (lambda (type)
+ (eqv? type (login-type LOGIN_PROCESS)))
+ types))))
+
(test-assert "host name resolution"
(match (marionette-eval
'(begin