diff options
Diffstat (limited to 'guix/profiles.scm')
| -rw-r--r-- | guix/profiles.scm | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/guix/profiles.scm b/guix/profiles.scm index e3bbc6dd6d..8aa76a3537 100644 --- a/guix/profiles.scm +++ b/guix/profiles.scm @@ -89,6 +89,8 @@ manifest-entry-properties lower-manifest-entry + manifest-entry=? + manifest-pattern manifest-pattern? manifest-pattern-name @@ -217,6 +219,33 @@ (output manifest-pattern-output ; string | #f (default "out"))) +(define (list=? = lst1 lst2) + "Return true if LST1 and LST2 have the same length and their elements are +pairwise equal per =." + (match lst1 + (() + (null? lst2)) + ((head1 . tail1) + (match lst2 + ((head2 . tail2) + (and (= head1 head2) (list=? = tail1 tail2))) + (() + #f))))) + +(define (manifest-entry=? entry1 entry2) + "Return true if ENTRY1 is equivalent to ENTRY2, ignoring their 'properties' +field." + (match entry1 + (($ <manifest-entry> name1 version1 output1 item1 dependencies1 paths1) + (match entry2 + (($ <manifest-entry> name2 version2 output2 item2 dependencies2 paths2) + (and (string=? name1 name2) + (string=? version1 version2) + (string=? output1 output2) + (equal? item1 item2) ;XXX: could be <package> vs. store item + (equal? paths1 paths2) + (list=? manifest-entry=? dependencies1 dependencies2))))))) + (define (manifest-transitive-entries manifest) "Return the entries of MANIFEST along with their propagated inputs, recursively." |