install: Files in the tarball are all root-owned.

Fixes a thinko introduced in 175ced4.

* gnu/system/install.scm (self-contained-tarball): Use "root:0" as the
  owner and group.
* doc/guix.texi (Binary Installation): Revert 175ced4.

2 files changed, 2 insertions, 12 deletions

diff --git a/doc/guix.texi b/doc/guix.texi
index bb0d39cb8f..604ffcf0fb 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -265,12 +265,6 @@ is @code{x86_64-linux} for an @code{x86_64} machine already running the
 kernel Linux, and so on.
 
 @item
-Create the group and user accounts for build users as explained below
-(@pxref{Build Environment Setup}).  Use the exact same names as given in
-the example so that files extracted from the archive will have the right
-ownership.
-
-@item
 As @code{root}, run:
 
 @example
diff --git a/gnu/system/install.scm b/gnu/system/install.scm
index 2ae7f27690..799851c9d7 100644
--- a/gnu/system/install.scm
+++ b/gnu/system/install.scm
@@ -67,14 +67,10 @@ under /root/.guix-profile where GUIX is installed."
                                              #:closure "profile")
 
           ;; Create the tarball.  Use GNU format so there's no file name
-          ;; length limitation.  Use the owner and group names given in the
-          ;; manual.
-          ;; XXX: /var and /root should rather be root-owned, but it doesn't
-          ;; make any difference in practice.
+          ;; length limitation.
           (with-directory-excursion %root
             (zero? (system* "tar" "--xz" "--format=gnu"
-                            "--owner=guixbuilder01"
-                            "--group=guixbuild"
+                            "--owner=root:0" "--group=root:0"
                             "-cvf" #$output ".")))))
 
     (gexp->derivation "guix-tarball.tar.xz" build