diff options
Diffstat (limited to 'guix/profiles.scm')
| -rw-r--r-- | guix/profiles.scm | 59 |
1 files changed, 42 insertions, 17 deletions
diff --git a/guix/profiles.scm b/guix/profiles.scm index 598e0acf62..6564526aee 100644 --- a/guix/profiles.scm +++ b/guix/profiles.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org> ;;; Copyright © 2014, 2016 Alex Kost <alezost@gmail.com> ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org> @@ -63,6 +63,10 @@ &missing-generation-error missing-generation-error? missing-generation-error-generation + &unmatched-pattern-error + unmatched-pattern-error? + unmatched-pattern-error-pattern + unmatched-pattern-error-manifest manifest make-manifest manifest? @@ -156,6 +160,11 @@ (entry profile-collision-error-entry) ;<manifest-entry> (conflict profile-collision-error-conflict)) ;<manifest-entry> +(define-condition-type &unmatched-pattern-error &error + unmatched-pattern-error? + (pattern unmatched-pattern-error-pattern) ;<manifest-pattern> + (manifest unmatched-pattern-error-manifest)) ;<manifest> + (define-condition-type &missing-generation-error &profile-error missing-generation-error? (generation missing-generation-error-generation)) @@ -559,16 +568,21 @@ no match.." (->bool (manifest-lookup manifest pattern))) (define (manifest-matching-entries manifest patterns) - "Return all the entries of MANIFEST that match one of the PATTERNS." - (define predicates - (map entry-predicate patterns)) - - (define (matches? entry) - (any (lambda (pred) - (pred entry)) - predicates)) - - (filter matches? (manifest-entries manifest))) + "Return all the entries of MANIFEST that match one of the PATTERNS. Raise +an '&unmatched-pattern-error' if none of the entries of MANIFEST matches one +of PATTERNS." + (fold-right (lambda (pattern matches) + (match (filter (entry-predicate pattern) + (manifest-entries manifest)) + (() + (raise (condition + (&unmatched-pattern-error + (pattern pattern) + (manifest manifest))))) + (lst + (append lst matches)))) + '() + patterns)) (define (manifest-search-paths manifest) "Return the list of search path specifications that apply to MANIFEST, @@ -1300,12 +1314,22 @@ the entries in MANIFEST." (srfi srfi-19)) (define (compute-entries) - (append-map (lambda (directory) - (let ((man (string-append directory "/share/man"))) - (if (directory-exists? man) - (mandb-entries man) - '()))) - '#$(manifest-inputs manifest))) + ;; This is the most expensive part (I/O and CPU, due to + ;; decompression), so report progress as we traverse INPUTS. + (let* ((inputs '#$(manifest-inputs manifest)) + (total (length inputs))) + (append-map (lambda (directory count) + (format #t "\r[~3d/~3d] building list of \ +man-db entries..." + count total) + (force-output) + (let ((man (string-append directory + "/share/man"))) + (if (directory-exists? man) + (mandb-entries man) + '()))) + inputs + (iota total 1)))) (define man-directory (string-append #$output "/share/man")) @@ -1320,6 +1344,7 @@ the entries in MANIFEST." "/index.db") entries)) (duration (time-difference (current-time) start))) + (newline) (format #t "~a entries processed in ~,1f s~%" (length entries) (+ (time-second duration) |