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guix gc: '--delete-generations' now deletes old Home generations.

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Previously, 'guix gc -d4m' would ignore Home generations.  With this
change, they are treated like profiles and generations that match the
pattern are deleted.

* guix/scripts/gc.scm (guix-gc)[delete-generations]: Add call to
'home-generation-base'.
* doc/guix.texi (Invoking guix gc): Document the change.
This commit is contained in:
Ludovic Courtès 2022-07-17 17:15:02 +02:00
parent 5df8f7802e
commit ba22560627
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2 changed files with 6 additions and 3 deletions
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3
doc/guix.texi
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@ -4362,7 +4362,8 @@ 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
older than @var{duration}, for all the user profiles and home environment
generations; 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

6
guix/scripts/gc.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2012-2013, 2015-2020, 2022 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -26,6 +26,7 @@ (define-module (guix scripts gc)
profile-generations
generation-number)
#:autoload (guix scripts package) (delete-generations)
#:autoload (gnu home) (home-generation-base)
#:use-module (ice-9 match)
#:use-module (ice-9 regex)
#:use-module (srfi srfi-1)
@ -260,7 +261,8 @@ (define (delete-generations store pattern)
(filter-map (lambda (root)
(and (or (zero? (getuid))
(user-owned? root))
(generation-profile root)))
(or (generation-profile root)
(home-generation-base root))))
(gc-roots)))))
(for-each (lambda (profile)
(delete-old-generations store profile pattern))