05/09: hurd-boot: Set /hurd/magic on /dev/fd.

[guix-commits]

civodul pushed a commit to branch master
in repository guix.

commit 57a7aa1ae3ef67c6e8becca766adfb4b4c8f59ac
Author: Ludovic Courtès <ludo@gnu.org>
AuthorDate: Wed Oct 14 11:06:55 2020 +0200

    hurd-boot: Set /hurd/magic on /dev/fd.
    
    * gnu/build/hurd-boot.scm (set-hurd-device-translators)[devices]: Add
    "/dev/fd".
---
 gnu/build/hurd-boot.scm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gnu/build/hurd-boot.scm b/gnu/build/hurd-boot.scm
index 45d0040..e66d4d1 100644
--- a/gnu/build/hurd-boot.scm
+++ b/gnu/build/hurd-boot.scm
@@ -211,6 +211,9 @@ set."
       ("dev/vcs"     ("/hurd/console"))
       ("dev/tty"     ("/hurd/magic"    "tty")               #o666)
 
+      ;; 'fd_to_filename' in libc expects it.
+      ("dev/fd"      ("/hurd/magic"    "--directory" "fd")  #o555)
+
       ("dev/tty1"    ("/hurd/term"     "/dev/tty1" "hurdio" 
"/dev/vcs/1/console")
                                                             #o666)
       ("dev/tty2"    ("/hurd/term"     "/dev/tty2" "hurdio" 
"/dev/vcs/2/console")
@@ -240,7 +243,6 @@ set."
   (for-each scope-set-translator devices)
 
   (false-if-EEXIST (symlink "/dev/random" (scope "dev/urandom")))
-  (mkdir* "dev/fd")
   (false-if-EEXIST (symlink "/dev/fd/0" (scope "dev/stdin")))
   (false-if-EEXIST (symlink "/dev/fd/1" (scope "dev/stdout")))
   (false-if-EEXIST (symlink "/dev/fd/2" (scope "dev/stderr")))