diff options
Diffstat (limited to 'guix')
| -rw-r--r-- | guix/packages.scm | 63 |
1 files changed, 39 insertions, 24 deletions
diff --git a/guix/packages.scm b/guix/packages.scm index 24d6417065..6fa761f569 100644 --- a/guix/packages.scm +++ b/guix/packages.scm @@ -1015,8 +1015,7 @@ applied to implicit inputs as well." (define (rewrite input) (match input ((label (? package? package) outputs ...) - (let ((proc (if (cut? package) proc replace))) - (cons* label (proc package) outputs))) + (cons* label (replace package) outputs)) (_ input))) @@ -1027,28 +1026,44 @@ applied to implicit inputs as well." (define replace (mlambdaq (p) ;; If P is the result of a previous call, return it. - (if (assq-ref (package-properties p) mapping-property) - p - - ;; Return a variant of P with PROC applied to P and its explicit - ;; dependencies, recursively. Memoize the transformations. Failing - ;; to do that, we would build a huge object graph with lots of - ;; duplicates, which in turns prevents us from benefiting from - ;; memoization in 'package-derivation'. - (let ((p (proc p))) - (package - (inherit p) - (location (package-location p)) - (build-system (if deep? - (build-system-with-package-mapping - (package-build-system p) rewrite) - (package-build-system p))) - (inputs (map rewrite (package-inputs p))) - (native-inputs (map rewrite (package-native-inputs p))) - (propagated-inputs (map rewrite (package-propagated-inputs p))) - (replacement (and=> (package-replacement p) replace)) - (properties `((,mapping-property . #t) - ,@(package-properties p)))))))) + (cond ((assq-ref (package-properties p) mapping-property) + p) + + ((cut? p) + ;; Since P's propagated inputs are really inputs of its dependents, + ;; rewrite them as well, unless we're doing a "shallow" rewrite. + (let ((p (proc p))) + (if (or (not deep?) + (null? (package-propagated-inputs p))) + p + (package + (inherit p) + (location (package-location p)) + (replacement (package-replacement p)) + (propagated-inputs (map rewrite (package-propagated-inputs p))) + (properties `((,mapping-property . #t) + ,@(package-properties p))))))) + + (else + ;; Return a variant of P with PROC applied to P and its explicit + ;; dependencies, recursively. Memoize the transformations. Failing + ;; to do that, we would build a huge object graph with lots of + ;; duplicates, which in turns prevents us from benefiting from + ;; memoization in 'package-derivation'. + (let ((p (proc p))) + (package + (inherit p) + (location (package-location p)) + (build-system (if deep? + (build-system-with-package-mapping + (package-build-system p) rewrite) + (package-build-system p))) + (inputs (map rewrite (package-inputs p))) + (native-inputs (map rewrite (package-native-inputs p))) + (propagated-inputs (map rewrite (package-propagated-inputs p))) + (replacement (and=> (package-replacement p) replace)) + (properties `((,mapping-property . #t) + ,@(package-properties p))))))))) replace) |