diff options
| -rw-r--r-- | doc/guix.texi | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 049292ddff..7dd32c46c8 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -269,12 +269,18 @@ As @code{root}, run: @example # cd / -# tar xf guix-binary-@value{VERSION}.@var{system}.tar.xz +# tar --skip-old-files -xf \ + guix-binary-@value{VERSION}.@var{system}.tar.xz @end example This creates @file{/gnu/store} (@pxref{The Store}), @file{/var/guix}, and @file{/root/.guix-profile}. @file{/root/.guix-profile} is a ready-to-use profile for @code{root} where Guix is installed. +@c '--skip-old-files' does the right thing with tar 1.28. The manual +@c does not clearly document the behavior we describe here, though. +The @code{--skip-old-files} option allows you to make sure the owner and +permissions on @file{/var} and @file{/root} are preserved (@pxref{Option +Summary, @code{--skip-old-files},, tar, GNU tar: an archiver tool}). Do @emph{not} unpack the tarball on a working Guix system since that would overwrite its own essential files. |