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doc: Mention that the current generation is not deleted. 

* doc/guix.texi (Invoking guix package): Mention that the current
  generation is not deleted.  This is a followup to d26eb84.
This commit is contained in:
Ludovic Courtès 2015-04-07 22:47:32 +02:00
parent 710b4928c8
commit 391bdd8f7f
1 changed files with 2 additions and 3 deletions
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@ -1142,9 +1142,8 @@ When @var{pattern} is specified, delete the matching generations. When
specified duration match. For instance, @code{--delete-generations=1m}
deletes generations that are more than one month old.
If the current generation matches, it is deleted atomically---i.e., by
switching to the previous available generation. Note that the zeroth
generation is never deleted.
If the current generation matches, it is @emph{not} deleted. Also, the
zeroth generation is never deleted.
Note that deleting generations prevents roll-back to them.
Consequently, this command must be used with care.