civodul pushed a commit to branch master
in repository guix.
commit e9ba6357e31935aaf75c02afaf3806d77e00b1fb
Author: Ludovic Courtès <[email protected]>
Date: Fri Jul 24 01:07:34 2015 +0200
doc: Clarify that tar timestamp warnings affect tar <= 1.26.
* doc/guix.texi (Binary Installation): Explain that warnings were triggered
by
tar <= 1.26.
---
doc/guix.texi | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/doc/guix.texi b/doc/guix.texi
index 4f614e2..019b5ce 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -313,8 +313,10 @@ 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 GNU@tie{}tar does
-not emit warnings about ``implausibly old time stamps''. These
-warnings, sometimes enabled by default, stem from the fact that all the
+not emit warnings about ``implausibly old time stamps'' (such
+warnings were triggered by GNU@tie{}tar 1.26 and older; recent
+versions are fine.)
+They 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
