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author | Ludovic Courtès <ludo@gnu.org> | 2015-07-22 22:52:37 +0200 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2015-07-22 22:56:41 +0200 |
commit | aafa0dffb18dd404efd34dafbe586408ca6907ce (patch) | |
tree | f90317e9ac7bdf911991383ab42c9a85e57c7671 | |
parent | d490d06e0f589828d38553850521d1995d3f0e13 (diff) | |
download | guix-aafa0dffb18dd404efd34dafbe586408ca6907ce.tar.gz guix-aafa0dffb18dd404efd34dafbe586408ca6907ce.zip |
doc: Mention zeroed mtimes in the binary tarball.
Fixes <http://bugs.gnu.org/21111>.
Reported by Dave Love <fx@gnu.org>.
* doc/guix.texi (Binary Installation): Add paragraph about "implausibly old
time stamps" warning from tar.
-rw-r--r-- | doc/guix.texi | 6 |
1 files changed, 6 insertions, 0 deletions
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. |