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-rw-r--r--gnu/services/base.scm2
-rw-r--r--gnu/system/file-systems.scm26
-rw-r--r--gnu/system/shadow.scm4
3 files changed, 28 insertions, 4 deletions
diff --git a/gnu/services/base.scm b/gnu/services/base.scm
index 9a67109db0..2c9054af48 100644
--- a/gnu/services/base.scm
+++ b/gnu/services/base.scm
@@ -482,7 +482,7 @@ passed to @command{guix-daemon}."
;; Udev needs /dev to be a 'devtmpfs' mount so that new device
;; nodes can be added: see
;; <http://www.linuxfromscratch.org/lfs/view/development/chapter07/udev.html>.
- (requirement '(root-file-system file-system-/dev))
+ (requirement '(root-file-system))
(documentation "Populate the /dev directory, dynamically.")
(start #~(lambda ()
diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm
index ea8d961317..76460d95af 100644
--- a/gnu/system/file-systems.scm
+++ b/gnu/system/file-systems.scm
@@ -85,11 +85,33 @@
(device "none")
(mount-point "/dev")
(type "devtmpfs")
- (check? #f)))
+ (check? #f)
+
+ ;; Mount it from the initrd so /dev/pts & co. can then be mounted over it.
+ (needed-for-boot? #t)))
+
+(define %tty-gid
+ ;; ID of the 'tty' group. Allocate it statically to make it easy to refer
+ ;; to it from here and from the 'tty' group definitions.
+ 1004)
+
+(define %pseudo-terminal-file-system
+ ;; The pseudo-terminal file system. It needs to be mounted so that
+ ;; statfs(2) returns DEVPTS_SUPER_MAGIC like libc's getpt(3) expects (and
+ ;; thus openpty(3) and its users, such as xterm.)
+ (file-system
+ (device "none")
+ (mount-point "/dev/pts")
+ (type "devpts")
+ (check? #f)
+ (needed-for-boot? #f)
+ (create-mount-point? #t)
+ (options (string-append "gid=" (number->string %tty-gid) ",mode=620"))))
(define %base-file-systems
;; List of basic file systems to be mounted. Note that /proc and /sys are
;; currently mounted by the initrd.
- (list %devtmpfs-file-system))
+ (list %devtmpfs-file-system
+ %pseudo-terminal-file-system))
;;; file-systems.scm ends here
diff --git a/gnu/system/shadow.scm b/gnu/system/shadow.scm
index ae6eac9a5b..e29dbb8c3e 100644
--- a/gnu/system/shadow.scm
+++ b/gnu/system/shadow.scm
@@ -20,6 +20,8 @@
#:use-module (guix records)
#:use-module (guix gexp)
#:use-module (guix monads)
+ #:use-module ((gnu system file-systems)
+ #:select (%tty-gid))
#:use-module ((gnu packages admin)
#:select (shadow))
#:use-module (gnu packages bash)
@@ -84,7 +86,7 @@
;; The following groups are conventionally used by things like udev to
;; control access to hardware devices.
- (user-group (name "tty"))
+ (user-group (name "tty") (id %tty-gid))
(user-group (name "dialout"))
(user-group (name "kmem"))
(user-group (name "video"))