diff options
Diffstat (limited to 'guix/scripts/system.scm')
| -rw-r--r-- | guix/scripts/system.scm | 107 |
1 files changed, 88 insertions, 19 deletions
diff --git a/guix/scripts/system.scm b/guix/scripts/system.scm index 5f0dce2093..3e9570753d 100644 --- a/guix/scripts/system.scm +++ b/guix/scripts/system.scm @@ -36,9 +36,11 @@ #:use-module (guix records) #:use-module (guix profiles) #:use-module (guix scripts) + #:use-module (guix channels) #:use-module (guix scripts build) #:autoload (guix scripts package) (delete-generations delete-matching-generations) + #:autoload (guix scripts pull) (channel-commit-hyperlink) #:use-module (guix graph) #:use-module (guix scripts graph) #:use-module (guix scripts system reconfigure) @@ -456,9 +458,30 @@ list of services." ;;; Generations. ;;; +(define (sexp->channel sexp) + "Return the channel corresponding to SEXP, an sexp as found in the +\"provenance\" file produced by 'provenance-service-type'." + (match sexp + (('channel ('name name) + ('url url) + ('branch branch) + ('commit commit)) + (channel (name name) (url url) + (branch branch) (commit commit))))) + (define* (display-system-generation number #:optional (profile %system-profile)) "Display a summary of system generation NUMBER in a human-readable format." + (define (display-channel channel) + (format #t " ~a:~%" (channel-name channel)) + (format #t (G_ " repository URL: ~a~%") (channel-url channel)) + (when (channel-branch channel) + (format #t (G_ " branch: ~a~%") (channel-branch channel))) + (format #t (G_ " commit: ~a~%") + (if (supports-hyperlinks?) + (channel-commit-hyperlink channel) + (channel-commit channel)))) + (unless (zero? number) (let* ((generation (generation-file-name profile number)) (params (read-boot-parameters-file generation)) @@ -468,7 +491,13 @@ list of services." (root-device (if (bytevector? root) (uuid->string root) root)) - (kernel (boot-parameters-kernel params))) + (kernel (boot-parameters-kernel params)) + (provenance (catch 'system-error + (lambda () + (call-with-input-file + (string-append generation "/provenance") + read)) + (const #f)))) (display-generation profile number) (format #t (G_ " file name: ~a~%") generation) (format #t (G_ " canonical file name: ~a~%") (readlink* generation)) @@ -495,7 +524,23 @@ list of services." (else root-device))) - (format #t (G_ " kernel: ~a~%") kernel)))) + (format #t (G_ " kernel: ~a~%") kernel) + + (match provenance + (#f #t) + (('provenance ('version 0) + ('channels channels ...) + ('configuration-file config-file)) + (unless (null? channels) + ;; TRANSLATORS: Here "channel" is the same terminology as used in + ;; "guix describe" and "guix pull --channels". + (format #t (G_ " channels:~%")) + (for-each display-channel (map sexp->channel channels))) + (when config-file + (format #t (G_ " configuration file: ~a~%") + (if (supports-hyperlinks?) + (file-hyperlink config-file) + config-file)))))))) (define* (list-generations pattern #:optional (profile %system-profile)) "Display in a human-readable format all the system generations matching @@ -722,7 +767,9 @@ and TARGET arguments." (return (primitive-eval (lowered-gexp-sexp lowered)))))) (define* (perform-action action os - #:key skip-safety-checks? + #:key + save-provenance? + skip-safety-checks? install-bootloader? dry-run? derivations-only? use-substitutes? bootloader-target target @@ -875,6 +922,8 @@ Some ACTIONS support additional ARGS.\n")) (display (G_ "\ roll-back switch to the previous operating system configuration\n")) (display (G_ "\ + describe describe the current system\n")) + (display (G_ "\ list-generations list the system generations\n")) (display (G_ "\ switch-generation switch to an existing operating system configuration\n")) @@ -918,16 +967,18 @@ Some ACTIONS support additional ARGS.\n")) (display (G_ " --no-bootloader for 'init', do not install a bootloader")) (display (G_ " + --save-provenance save provenance information")) + (display (G_ " --share=SPEC for 'vm', share host file system according to SPEC")) (display (G_ " + --expose=SPEC for 'vm', expose host file system according to SPEC")) + (display (G_ " -N, --network for 'container', allow containers to access the network")) (display (G_ " -r, --root=FILE for 'vm', 'vm-image', 'disk-image', 'container', and 'build', make FILE a symlink to the result, and register it as a garbage collector root")) (display (G_ " - --expose=SPEC for 'vm', expose host file system according to SPEC")) - (display (G_ " --full-boot for 'vm', make a full boot sequence")) (display (G_ " --skip-checks skip file system and initrd module safety checks")) @@ -979,6 +1030,9 @@ Some ACTIONS support additional ARGS.\n")) (option '("full-boot") #f #f (lambda (opt name arg result) (alist-cons 'full-boot? #t result))) + (option '("save-provenance") #f #f + (lambda (opt name arg result) + (alist-cons 'save-provenance? #t result))) (option '("skip-checks") #f #f (lambda (opt name arg result) (alist-cons 'skip-safety-checks? #t result))) @@ -1047,25 +1101,33 @@ resulting from command-line parsing." file-or-exp)) obj) + (define save-provenance? + (or (assoc-ref opts 'save-provenance?) + (memq action '(init reconfigure)))) + (let* ((file (match args (() #f) ((x . _) x))) (expr (assoc-ref opts 'expression)) (system (assoc-ref opts 'system)) (target (assoc-ref opts 'target)) - (os (ensure-operating-system - (or file expr) - (cond - ((and expr file) - (leave - (G_ "both file and expression cannot be specified~%"))) - (expr - (read/eval expr)) - (file - (load* file %user-module - #:on-error (assoc-ref opts 'on-error))) - (else - (leave (G_ "no configuration specified~%")))))) + (transform (if save-provenance? + (cut operating-system-with-provenance <> file) + identity)) + (os (transform + (ensure-operating-system + (or file expr) + (cond + ((and expr file) + (leave + (G_ "both file and expression cannot be specified~%"))) + (expr + (read/eval expr)) + (file + (load* file %user-module + #:on-error (assoc-ref opts 'on-error))) + (else + (leave (G_ "no configuration specified~%"))))))) (dry? (assoc-ref opts 'dry-run?)) (bootloader? (assoc-ref opts 'install-bootloader?)) @@ -1136,6 +1198,12 @@ argument list and OPTS is the option alist." ((pattern) pattern) (x (leave (G_ "wrong number of arguments~%")))))) (list-generations pattern))) + ((describe) + (match (generation-number %system-profile) + (0 + (error (G_ "no system generation, nothing to describe~%"))) + (generation + (display-system-generation generation)))) ((search) (apply (resolve-subcommand "search") args)) ;; The following commands need to use the store, but they do not need an @@ -1175,7 +1243,8 @@ argument list and OPTS is the option alist." (case action ((build container vm vm-image disk-image reconfigure init extension-graph shepherd-graph - list-generations delete-generations roll-back + list-generations describe + delete-generations roll-back switch-generation search docker-image) (alist-cons 'action action result)) (else (leave (G_ "~a: unknown action~%") action)))))) |