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| author | Ludovic Courtès <ludo@gnu.org> | 2015-05-19 09:59:45 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2015-05-19 16:09:58 +0200 |
| commit | 38d27786086ff2b8d1325b1c0090ccff3745adfc (patch) | |
| tree | 57deedf95169ad34e83c91dff742e01a11e5486d | |
| parent | e3fd0ce6969a62665a1eaedccebb6b21ced1e86f (diff) | |
| download | guix-38d27786086ff2b8d1325b1c0090ccff3745adfc.tar.gz | |
guix gc: Add '--optimize'.
* guix/scripts/gc.scm (show-help, %options): Add --optimize. (guix-gc): Handle it.
| -rw-r--r-- | doc/guix.texi | 11 | ||||
| -rw-r--r-- | guix/scripts/gc.scm | 10 |
2 files changed, 20 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 91c86dc30a..0d2a01f75a 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -1472,6 +1472,17 @@ 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. +@item --optimize +@cindex deduplication +Optimize the store by hard-linking identical files---this is +@dfn{deduplication}. + +The daemon performs deduplication after each successful build or archive +import, unless it was started with @code{--disable-deduplication} +(@pxref{Invoking guix-daemon, @code{--disable-deduplication}}). Thus, +this option is primarily useful when the daemon was running with +@code{--disable-deduplication}. + @item --list-dead Show the list of dead files and directories still present in the store---i.e., files and directories no longer reachable from any root. diff --git a/guix/scripts/gc.scm b/guix/scripts/gc.scm index ed16cab8f9..4bae65a1ec 100644 --- a/guix/scripts/gc.scm +++ b/guix/scripts/gc.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2012, 2013, 2015 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -44,6 +44,8 @@ Invoke the garbage collector.\n")) (display (_ " -d, --delete attempt to delete PATHS")) (display (_ " + --optimize optimize the store by deduplicating identical files")) + (display (_ " --list-dead list dead paths")) (display (_ " --list-live list live paths")) @@ -88,6 +90,10 @@ Invoke the garbage collector.\n")) (lambda (opt name arg result) (alist-cons 'action 'delete (alist-delete 'action result)))) + (option '("optimize") #f #f + (lambda (opt name arg result) + (alist-cons 'action 'optimize + (alist-delete 'action result)))) (option '("list-dead") #f #f (lambda (opt name arg result) (alist-cons 'action 'list-dead @@ -169,6 +175,8 @@ Invoke the garbage collector.\n")) (list-relatives requisites)) ((list-referrers) (list-relatives referrers)) + ((optimize) + (optimize-store store)) ((list-dead) (for-each (cut simple-format #t "~a~%" <>) (dead-paths store))) |