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profiles: Add 'concatenate-manifests'.

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* guix/profiles.scm (concatenate-manifests): New procedure.
* tests/profiles.scm ("concatenate-manifests"): New test.
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Ludovic Courtès 2019-11-20 12:07:02 +01:00
parent d76df98fa5
commit ce30a0eb7e
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5
guix/profiles.scm
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@ -92,6 +92,7 @@ (define-module (guix profiles)
manifest-pattern-version manifest-pattern-version
manifest-pattern-output manifest-pattern-output
concatenate-manifests
manifest-remove manifest-remove
manifest-add manifest-add
manifest-lookup manifest-lookup
@ -515,6 +516,10 @@ (define (read-manifest port)
"Return the packages listed in MANIFEST." "Return the packages listed in MANIFEST."
(sexp->manifest (read port))) (sexp->manifest (read port)))
(define (concatenate-manifests lst)
"Concatenate the manifests listed in LST and return the resulting manifest."
(manifest (append-map manifest-entries lst)))
(define (entry-predicate pattern) (define (entry-predicate pattern)
"Return a procedure that returns #t when passed a manifest entry that "Return a procedure that returns #t when passed a manifest entry that
matches NAME/OUTPUT/VERSION. OUTPUT and VERSION may be #f, in which case they matches NAME/OUTPUT/VERSION. OUTPUT and VERSION may be #f, in which case they

5
tests/profiles.scm
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@ -113,6 +113,11 @@ (define glibc
(manifest-matching-entries m (list p)) (manifest-matching-entries m (list p))
#f))) #f)))
(test-equal "concatenate-manifests"
(manifest (list guile-2.0.9 glibc))
(concatenate-manifests (list (manifest (list guile-2.0.9))
(manifest (list glibc)))))
(test-assert "manifest-remove" (test-assert "manifest-remove"
(let* ((m0 (manifest (list guile-2.0.9 guile-2.0.9:debug))) (let* ((m0 (manifest (list guile-2.0.9 guile-2.0.9:debug)))
(m1 (manifest-remove m0 (m1 (manifest-remove m0