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01/02: doc: Suggest unpacking with --warning=no-timestamp.
From: |
Ludovic Courtès |
Subject: |
01/02: doc: Suggest unpacking with --warning=no-timestamp. |
Date: |
Wed, 22 Jul 2015 21:47:46 +0000 |
civodul pushed a commit to branch master
in repository guix.
commit 254b1c2e95bfbf5af351ebf65d620df04311d4f8
Author: Ludovic Courtès <address@hidden>
Date: Wed Jul 22 23:34:25 2015 +0200
doc: Suggest unpacking with --warning=no-timestamp.
Suggested by Malcolm Cook <address@hidden>.
* doc/guix.texi (Binary Installation): Suggest --warning=no-timestamp.
---
doc/guix.texi | 17 ++++++++++-------
1 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/doc/guix.texi b/doc/guix.texi
index 09c7faf..b4003d8 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -300,7 +300,8 @@ As @code{root}, run:
@example
# cd /tmp
-# tar xf address@hidden@var{system}.tar.xz
+# tar --warning=no-timestamp -xf \
+ address@hidden@var{system}.tar.xz
# mv var/guix /var/ && mv gnu /
@end example
@@ -308,15 +309,17 @@ This creates @file{/gnu/store} (@pxref{The Store}) and
@file{/var/guix}.
The latter contains a ready-to-use profile for @code{root} (see next
step.)
-Some versions of address@hidden raise a warning about ``implausibly old
-time stamps''. This is because all the files in the archive have their
-modification time set to zero (which means January 1st, 1970.) This is
-done on purpose to make sure the archive content is independent of its
-creation time, thus making it reproducible.
-
Do @emph{not} unpack the tarball on a working Guix system since that
would overwrite its own essential files.
+The @code{--warning=no-timestamp} option makes sure address@hidden does
+not emit warnings about ``implausibly old time stamps''. These
+warnings, sometimes enabled by default, stem from the fact that all the
+files in the archive have their modification time set to zero (which
+means January 1st, 1970.) This is done on purpose to make sure the
+archive content is independent of its creation time, thus making it
+reproducible.
+
@item
Make @code{root}'s profile available under @file{~/.guix-profile}: