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-rw-r--r--gnu/services/dbus.scm37
1 files changed, 34 insertions, 3 deletions
diff --git a/gnu/services/dbus.scm b/gnu/services/dbus.scm
index 5a0c634393..1edcc6eb9e 100644
--- a/gnu/services/dbus.scm
+++ b/gnu/services/dbus.scm
@@ -163,7 +163,7 @@ includes the @code{etc/dbus-1/system.d} directories of each package listed in
(group "messagebus")
(system? #t)
(comment "D-Bus system bus user")
- (home-directory "/var/run/dbus")
+ (home-directory "/run/dbus")
(shell (file-append shadow "/sbin/nologin")))))
(define dbus-setuid-programs
@@ -186,7 +186,38 @@ includes the @code{etc/dbus-1/system.d} directories of each package listed in
(let ((user (getpwnam "messagebus")))
;; This directory contains the daemon's socket so it must be
;; world-readable.
- (mkdir-p/perms "/var/run/dbus" user #o755))
+ (mkdir-p/perms "/run/dbus" user #o755))
+
+ (catch 'system-error
+ (lambda ()
+ (symlink "/run/dbus" "/var/run/dbus"))
+ (lambda args
+ (let ((errno (system-error-errno args)))
+ (cond
+ ((= errno EEXIST)
+ (let ((existing-name
+ (false-if-exception
+ (readlink "/var/run/dbus"))))
+ (unless (equal? existing-name "/run/dbus")
+ ;; Move the content of /var/run/dbus to /run/dbus, and
+ ;; retry.
+ (let ((dir (opendir "/var/run/dbus")))
+ (let loop ((next (readdir dir)))
+ (cond
+ ((eof-object? next) (closedir dir))
+ ((member next '("." "..")) (loop (readdir dir)))
+ (else
+ (begin
+ (rename-file (string-append "/var/run/dbus/" next)
+ (string-append "/run/dbus/" next))
+ (loop (readdir dir))))))))
+ (rmdir "/var/run/dbus")
+ (symlink "/run/dbus" "/var/run/dbus")))
+ (else
+ (format (current-error-port)
+ "Failed to symlink /run/dbus to /var/run/dbus: ~s~%"
+ (strerror errno))
+ (error "cannot create /var/run/dbus"))))))
(unless (file-exists? "/etc/machine-id")
(format #t "creating /etc/machine-id...~%")
@@ -210,7 +241,7 @@ includes the @code{etc/dbus-1/system.d} directories of each package listed in
'(#:environment-variables '("DBUS_VERBOSE=1")
#:log-file "/var/log/dbus-daemon.log")
'())
- #:pid-file "/var/run/dbus/pid"))
+ #:pid-file "/run/dbus/pid"))
(stop #~(make-kill-destructor)))))))
(define dbus-root-service-type