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authorLudovic Courtès <ludo@gnu.org>2019-04-06 23:14:19 +0200
committerLudovic Courtès <ludo@gnu.org>2019-04-10 17:09:47 +0200
commit96b8c2e6e2aa00b7b400530b62cf7479aa2d9674 (patch)
tree3f92f141b75c6b43c8afac39e7eaaace81f37120 /doc
parentc872b952c527cb42766654d12059d5ea5224ca6c (diff)
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guix gc: Add '--delete-generations'.
* guix/scripts/gc.scm (show-help, %options): Add '--delete-generations'. Change '--delete' shorthand to '-D'. (delete-old-generations): New procedure. (guix-gc)[delete-generations]: New procedure. Call it when ACTION is 'collect-garbage' and OPTS contains 'delete-generations. * doc/guix.texi (Invoking guix gc): Document it.
Diffstat (limited to 'doc')
-rw-r--r--doc/guix.texi16
1 files changed, 15 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 2345617b2e..406bea34d1 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -3438,8 +3438,22 @@ as @code{500MiB}, as described above.
When @var{free} or more is already available in @file{/gnu/store}, do
nothing and exit immediately.
+@item --delete-generations[=@var{duration}]
+@itemx -d [@var{duration}]
+Before starting the garbage collection process, delete all the generations
+older than @var{duration}, for all the user profiles; when run as root, this
+applies to all the profiles @emph{of all the users}.
+
+For example, this command deletes all the generations of all your profiles
+that are older than 2 months (except generations that are current), and then
+proceeds to free space until at least 10 GiB are available:
+
+@example
+guix gc -d 2m -F 10G
+@end example
+
@item --delete
-@itemx -d
+@itemx -D
Attempt to delete all the store files and directories specified as
arguments. This fails if some of the files are not in the store, or if
they are still live.