From aafa0dffb18dd404efd34dafbe586408ca6907ce Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Wed, 22 Jul 2015 22:52:37 +0200 Subject: doc: Mention zeroed mtimes in the binary tarball. Fixes . Reported by Dave Love . * doc/guix.texi (Binary Installation): Add paragraph about "implausibly old time stamps" warning from tar. --- doc/guix.texi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/doc/guix.texi b/doc/guix.texi index a512f7dda9..09c7faf254 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -308,6 +308,12 @@ 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 GNU@tie{}tar 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. -- cgit 1.4.1