diff options
| -rw-r--r-- | doc/guix.texi | 26 | ||||
| -rw-r--r-- | guix/scripts/package.scm | 1 | ||||
| -rw-r--r-- | guix/scripts/system.scm | 17 |
3 files changed, 42 insertions, 2 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 2ae4f53245..6980672094 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -23038,6 +23038,32 @@ Currently, as with @command{switch-generation}, you must reboot after running this action to actually start using the preceding system generation. +@item delete-generations +@cindex deleting system generations +@cindex saving space +Delete system generations, making them candidates for garbage collection +(@pxref{Invoking guix gc}, for information on how to run the ``garbage +collector''). + +This works in the same way as @command{guix package --delete-generations} +(@pxref{Invoking guix package, @code{--delete-generations}}). With no +arguments, all system generations but the current one are deleted: + +@example +guix system delete-generations +@end example + +You can also select the generations you want to delete. The example below +deletes all the system generations that are more than two month old: + +@example +guix system delete-generations 2m +@end example + +Running this command automatically reinstalls the bootloader with an updated +list of menu entries---e.g., the ``old generations'' sub-menu in GRUB no +longer lists the generations that have been deleted. + @item build Build the derivation of the operating system, which includes all the configuration files and programs needed to boot and run the system. diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm index 1695250c79..0e70315708 100644 --- a/guix/scripts/package.scm +++ b/guix/scripts/package.scm @@ -55,6 +55,7 @@ #:autoload (gnu packages bootstrap) (%bootstrap-guile) #:export (build-and-use-profile delete-generations + delete-matching-generations display-search-paths guix-package)) diff --git a/guix/scripts/system.scm b/guix/scripts/system.scm index 4c8d8acc8f..c0301eac2b 100644 --- a/guix/scripts/system.scm +++ b/guix/scripts/system.scm @@ -36,6 +36,8 @@ #:use-module (guix profiles) #:use-module (guix scripts) #:use-module (guix scripts build) + #:autoload (guix scripts package) (delete-generations + delete-matching-generations) #:use-module (guix graph) #:use-module (guix scripts graph) #:use-module (guix build utils) @@ -963,9 +965,11 @@ Some ACTIONS support additional ARGS.\n")) (display (G_ "\ roll-back switch to the previous operating system configuration\n")) (display (G_ "\ + list-generations list the system generations\n")) + (display (G_ "\ switch-generation switch to an existing operating system configuration\n")) (display (G_ "\ - list-generations list the system generations\n")) + delete-generations delete old system generations\n")) (display (G_ "\ build build the operating system without installing anything\n")) (display (G_ "\ @@ -1202,6 +1206,14 @@ argument list and OPTS is the option alist." (apply (resolve-subcommand "search") args)) ;; The following commands need to use the store, but they do not need an ;; operating system configuration file. + ((delete-generations) + (let ((pattern (match args + (() "") + ((pattern) pattern) + (x (leave (G_ "wrong number of arguments~%")))))) + (with-store store + (delete-matching-generations store %system-profile pattern) + (reinstall-bootloader store (generation-number %system-profile))))) ((switch-generation) (let ((pattern (match args ((pattern) pattern) @@ -1228,7 +1240,8 @@ argument list and OPTS is the option alist." (let ((action (string->symbol arg))) (case action ((build container vm vm-image disk-image reconfigure init - extension-graph shepherd-graph list-generations roll-back + extension-graph shepherd-graph + list-generations delete-generations roll-back switch-generation search docker-image) (alist-cons 'action action result)) (else (leave (G_ "~a: unknown action~%") action)))))) |