diff options
Diffstat (limited to 'guix/profiles.scm')
| -rw-r--r-- | guix/profiles.scm | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/guix/profiles.scm b/guix/profiles.scm index efe5ecb9dc..6564526aee 100644 --- a/guix/profiles.scm +++ b/guix/profiles.scm @@ -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, |