services: Migrate to <setuid-program>.

* gnu/services/dbus.scm (dbus-setuid-programs, polkit-setuid-programs):
  Return setuid-programs.
* gnu/services/desktop.scm (enlightenment-setuid-programs): Return
 setuid-programs.
 (%desktop-services)[mount-setuid-helpers]: Use setuid-programs.
* gnu/services/docker.scm (singularity-setuid-programs): Return
 setuid-programs.
* gnu/services/xorg.scm(screen-locker-setuid-programs): Return
 setuid-programs.
* gnu/system.scm (%setuid-programs): Return setuid-programs.
* doc/guix.texi (Setuid Programs, operating-system Reference): Replace
  'list of G-expressions' with 'list of <setuid-program>'.

1 files changed, 17 insertions, 16 deletions

diff --git a/gnu/system.scm b/gnu/system.scm
index 11e7152be1b..7e11d38c59c 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -1074,22 +1074,23 @@ use 'plain-file' instead~%")
 (define %setuid-programs
   ;; Default set of setuid-root programs.
   (let ((shadow (@ (gnu packages admin) shadow)))
-    (list (file-append shadow "/bin/passwd")
-          (file-append shadow "/bin/sg")
-          (file-append shadow "/bin/su")
-          (file-append shadow "/bin/newgrp")
-          (file-append shadow "/bin/newuidmap")
-          (file-append shadow "/bin/newgidmap")
-          (file-append inetutils "/bin/ping")
-          (file-append inetutils "/bin/ping6")
-          (file-append sudo "/bin/sudo")
-          (file-append sudo "/bin/sudoedit")
-          (file-append fuse "/bin/fusermount")
-
-          ;; To allow mounts with the "user" option, "mount" and "umount" must
-          ;; be setuid-root.
-          (file-append util-linux "/bin/mount")
-          (file-append util-linux "/bin/umount"))))
+    (map file-like->setuid-program
+         (list (file-append shadow "/bin/passwd")
+               (file-append shadow "/bin/sg")
+               (file-append shadow "/bin/su")
+               (file-append shadow "/bin/newgrp")
+               (file-append shadow "/bin/newuidmap")
+               (file-append shadow "/bin/newgidmap")
+               (file-append inetutils "/bin/ping")
+               (file-append inetutils "/bin/ping6")
+               (file-append sudo "/bin/sudo")
+               (file-append sudo "/bin/sudoedit")
+               (file-append fuse "/bin/fusermount")
+
+               ;; To allow mounts with the "user" option, "mount" and "umount" must
+               ;; be setuid-root.
+               (file-append util-linux "/bin/mount")
+               (file-append util-linux "/bin/umount")))))
 
 (define %sudoers-specification
   ;; Default /etc/sudoers contents: 'root' and all members of the 'wheel'