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authorAntero Mejr <antero@mailbox.org>2022-07-13 15:01:22 +0000
committerLudovic Courtès <ludo@gnu.org>2022-07-19 18:54:42 +0200
commit95acd67dd3d4f1667b97561099ea66f36ee6485e (patch)
tree0dea07837d7db1154d23f32c1d0da3b662ecc80c
parent55725724dd0891e1e195158d0774a3f9a8619361 (diff)
downloadguix-95acd67dd3d4f1667b97561099ea66f36ee6485e.tar
guix-95acd67dd3d4f1667b97561099ea66f36ee6485e.tar.gz
system: Add -I, --list-installed option.
* guix/scripts/system.scm (display-system-generation): Add #:list-installed-regex and honor it. (list-generations): Likewise. (show-help, %options): Add "--list-installed". (process-command): For 'describe' and 'list-generation', honor the 'list-installed option. * doc/guix.texi (Invoking Guix System): Add information for --list-installed flag. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
-rw-r--r--doc/guix.texi12
-rw-r--r--guix/scripts/system.scm67
2 files changed, 59 insertions, 20 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index c348760dae..d8a3d2e90c 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -37781,6 +37781,13 @@ bootloader boot menu:
Describe the running system generation: its file name, the kernel and
bootloader used, etc., as well as provenance information when available.
+The @code{--list-installed} flag is available, with the same
+syntax that is used in @command{guix package --list-installed}
+(@pxref{Invoking guix package}). When the flag is used,
+the description will include a list of packages that are currently
+installed in the system profile, with optional filtering based on a
+regular expression.
+
@quotation Note
The @emph{running} system generation---referred to by
@file{/run/current-system}---is not necessarily the @emph{current}
@@ -37808,6 +37815,11 @@ generations that are up to 10 days old:
$ guix system list-generations 10d
@end example
+The @code{--list-installed} flag may also be specified, with the same
+syntax that is used in @command{guix package --list-installed}. This
+may be helpful if trying to determine when a package was added to the
+system.
+
@end table
The @command{guix system} command has even more to offer! The following
diff --git a/guix/scripts/system.scm b/guix/scripts/system.scm
index b9084a401c..bfde0a88ca 100644
--- a/guix/scripts/system.scm
+++ b/guix/scripts/system.scm
@@ -50,7 +50,8 @@
#:use-module (guix channels)
#:use-module (guix scripts build)
#:autoload (guix scripts package) (delete-generations
- delete-matching-generations)
+ delete-matching-generations
+ list-installed)
#:autoload (guix scripts pull) (channel-commit-hyperlink)
#:autoload (guix graph) (export-graph node-type
graph-backend-name lookup-backend)
@@ -480,8 +481,10 @@ list of services."
;;;
(define* (display-system-generation number
- #:optional (profile %system-profile))
- "Display a summary of system generation NUMBER in a human-readable format."
+ #:optional (profile %system-profile)
+ #:key (list-installed-regex #f))
+ "Display a summary of system generation NUMBER in a human-readable format.
+List packages in that system that match LIST-INSTALLED-REGEX."
(define (display-channel channel)
(format #t " ~a:~%" (channel-name channel))
(format #t (G_ " repository URL: ~a~%") (channel-url channel))
@@ -544,23 +547,35 @@ list of services."
(format #t (G_ " configuration file: ~a~%")
(if (supports-hyperlinks?)
(file-hyperlink config-file)
- config-file))))))
-
-(define* (list-generations pattern #:optional (profile %system-profile))
+ config-file)))
+ (when list-installed-regex
+ (format #t (G_ " packages:\n"))
+ (pretty-print-table (list-installed
+ list-installed-regex
+ (list (string-append generation "/profile")))
+ #:left-pad 4)))))
+
+(define* (list-generations pattern #:optional (profile %system-profile)
+ #:key (list-installed-regex #f))
"Display in a human-readable format all the system generations matching
-PATTERN, a string. When PATTERN is #f, display all the system generations."
+PATTERN, a string. When PATTERN is #f, display all the system generations.
+List installed packages that match LIST-INSTALLED-REGEX."
(cond ((not (file-exists? profile)) ; XXX: race condition
(raise (condition (&profile-not-found-error
(profile profile)))))
((not pattern)
- (for-each display-system-generation (profile-generations profile)))
+ (for-each (cut display-system-generation <>
+ #:list-installed-regex list-installed-regex)
+ (profile-generations profile)))
((matching-generations pattern profile)
=>
(lambda (numbers)
(if (null-list? numbers)
(exit 1)
(leave-on-EPIPE
- (for-each display-system-generation numbers)))))))
+ (for-each (cut display-system-generation <>
+ #:list-installed-regex list-installed-regex)
+ numbers)))))))
;;;
@@ -1032,6 +1047,11 @@ Some ACTIONS support additional ARGS.\n"))
use BACKEND for 'extension-graphs' and 'shepherd-graph'"))
(newline)
(display (G_ "
+ -I, --list-installed[=REGEXP]
+ for 'describe' and 'list-generations', list installed
+ packages matching REGEXP"))
+ (newline)
+ (display (G_ "
-h, --help display this help and exit"))
(display (G_ "
-V, --version display version information and exit"))
@@ -1135,6 +1155,9 @@ Some ACTIONS support additional ARGS.\n"))
(option '("graph-backend") #t #f
(lambda (opt name arg result)
(alist-cons 'graph-backend arg result)))
+ (option '(#\I "list-installed") #f #t
+ (lambda (opt name arg result)
+ (alist-cons 'list-installed (or arg "") result)))
%standard-build-options))
(define %default-options
@@ -1322,25 +1345,29 @@ argument list and OPTS is the option alist."
;; The following commands do not need to use the store, and they do not need
;; an operating system configuration file.
((list-generations)
- (let ((pattern (match args
+ (let ((list-installed-regex (assoc-ref opts 'list-installed))
+ (pattern (match args
(() #f)
((pattern) pattern)
(x (leave (G_ "wrong number of arguments~%"))))))
- (list-generations pattern)))
+ (list-generations pattern #:list-installed-regex list-installed-regex)))
((describe)
;; Describe the running system, which is not necessarily the current
;; generation. /run/current-system might point to
;; /var/guix/profiles/system-N-link, or it might point directly to
;; /gnu/store/…-system. Try both.
- (match (generation-number "/run/current-system" %system-profile)
- (0
- (match (generation-number %system-profile)
- (0
- (leave (G_ "no system generation, nothing to describe~%")))
- (generation
- (display-system-generation generation))))
- (generation
- (display-system-generation generation))))
+ (let ((list-installed-regex (assoc-ref opts 'list-installed)))
+ (match (generation-number "/run/current-system" %system-profile)
+ (0
+ (match (generation-number %system-profile)
+ (0
+ (leave (G_ "no system generation, nothing to describe~%")))
+ (generation
+ (display-system-generation
+ generation #:list-installed-regex list-installed-regex))))
+ (generation
+ (display-system-generation
+ generation #:list-installed-regex list-installed-regex)))))
((search)
(apply (resolve-subcommand "search") args))
((edit)