diff options
| -rw-r--r-- | guix/scripts/package.scm | 21 | ||||
| -rw-r--r-- | guix/ui.scm | 28 |
2 files changed, 30 insertions, 19 deletions
diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm index ee45cddedd..49df3349e8 100644 --- a/guix/scripts/package.scm +++ b/guix/scripts/package.scm @@ -789,25 +789,8 @@ more information.~%")) (('list-generations pattern) (define (list-generation number) (unless (zero? number) - (let ((header (format #f (_ "Generation ~a\t~a") number - (date->string - (time-utc->date - (generation-time profile number)) - "~b ~d ~Y ~T"))) - (current (generation-number profile))) - (if (= number current) - (format #t (_ "~a\t(current)~%") header) - (format #t "~a~%" header))) - (for-each (match-lambda - (($ <manifest-entry> name version output location _) - (format #t " ~a\t~a\t~a\t~a~%" - name version output location))) - - ;; Show most recently installed packages last. - (reverse - (manifest-entries - (profile-manifest - (generation-file-name profile number))))) + (display-generation profile number) + (display-profile-content profile number) (newline))) (cond ((not (file-exists? profile)) ; XXX: race condition diff --git a/guix/ui.scm b/guix/ui.scm index 59ff2a7fba..c45c50fa16 100644 --- a/guix/ui.scm +++ b/guix/ui.scm @@ -85,6 +85,8 @@ string->generations string->duration matching-generations + display-generation + display-profile-content run-guix-command run-guix program-name @@ -1015,6 +1017,32 @@ DURATION-RELATION with the current time." filter-by-duration) (else #f))) +(define (display-generation profile number) + "Display a one-line summary of generation NUMBER of PROFILE." + (unless (zero? number) + (let ((header (format #f (_ "Generation ~a\t~a") number + (date->string + (time-utc->date + (generation-time profile number)) + "~b ~d ~Y ~T"))) + (current (generation-number profile))) + (if (= number current) + (format #t (_ "~a\t(current)~%") header) + (format #t "~a~%" header))))) + +(define (display-profile-content profile number) + "Display the packages in PROFILE, generation NUMBER, in a human-readable +way." + (for-each (match-lambda + (($ <manifest-entry> name version output location _) + (format #t " ~a\t~a\t~a\t~a~%" + name version output location))) + + ;; Show most recently installed packages last. + (reverse + (manifest-entries + (profile-manifest (generation-file-name profile number)))))) + (define* (package-specification->name+version+output spec #:optional (output "out")) "Parse package specification SPEC and return three value: the specified |