diff options
author | Ludovic Courtès <ludo@gnu.org> | 2020-05-10 00:04:59 +0200 |
---|---|---|
committer | Ludovic Courtès <ludo@gnu.org> | 2020-05-11 23:30:55 +0200 |
commit | 724020213664239ec5c92d04f5fee44c25408a7f (patch) | |
tree | f1c6d4c48b8be527b5900ab15a3e60bca2833980 /guix | |
parent | c2b2c19a7b8b75ef6dd153ca121dd8765cdcd746 (diff) | |
download | patches-724020213664239ec5c92d04f5fee44c25408a7f.tar patches-724020213664239ec5c92d04f5fee44c25408a7f.tar.gz |
graph: reference/referrer node types work with graph traversal.
The graph traversal procedures in (guix graph) assume that nodes can be
compared with 'eq?', which was not the case for nodes of
%REFERENCE-NODE-TYPE and %REFERRER-NODE-TYPE (strings).
* guix/scripts/graph.scm (intern): New procedure.
(ensure-store-items, references*)
(%reference-node-type, non-derivation-referrers)
(%referrer-node-type): Use it on all store items.
* tests/graph.scm ("node-transitive-edges, references"): New test.
Diffstat (limited to 'guix')
-rw-r--r-- | guix/scripts/graph.scm | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/guix/scripts/graph.scm b/guix/scripts/graph.scm index fca1e3777c..d69dace14f 100644 --- a/guix/scripts/graph.scm +++ b/guix/scripts/graph.scm @@ -307,6 +307,14 @@ derivation graph"))))))) ;;; DAG of residual references (aka. run-time dependencies). ;;; +(define intern + (mlambda (str) + "Intern STR, a string denoting a store item." + ;; This is necessary for %REFERENCE-NODE-TYPE and %REFERRER-NODE-TYPE + ;; because their nodes are strings but the (guix graph) traversal + ;; procedures expect to be able to compare nodes with 'eq?'. + str)) + (define ensure-store-items ;; Return a list of store items as a monadic value based on the given ;; argument, which may be a store item or a package. @@ -316,10 +324,10 @@ derivation graph"))))))) (mlet %store-monad ((drv (package->derivation package))) (return (match (derivation->output-paths drv) (((_ . file-names) ...) - file-names))))) + (map intern file-names)))))) ((? store-path? item) (with-monad %store-monad - (return (list item)))) + (return (list (intern item))))) (x (raise (condition (&message (message "unsupported argument for \ @@ -333,18 +341,19 @@ substitutes." (guard (c ((store-protocol-error? c) (match (substitutable-path-info store (list item)) ((info) - (values (substitutable-references info) store)) + (values (map intern (substitutable-references info)) + store)) (() (leave (G_ "references for '~a' are not known~%") item))))) - (values (references store item) store)))) + (values (map intern (references store item)) store)))) (define %reference-node-type (node-type (name "references") (description "the DAG of run-time dependencies (store references)") (convert ensure-store-items) - (identifier (lift1 identity %store-monad)) + (identifier (lift1 intern %store-monad)) (label store-path-package-name) (edges references*))) @@ -353,14 +362,14 @@ substitutes." (lambda (item) "Return the referrers of ITEM, except '.drv' files." (mlet %store-monad ((items (referrers item))) - (return (remove derivation-path? items)))))) + (return (map intern (remove derivation-path? items))))))) (define %referrer-node-type (node-type (name "referrers") (description "the DAG of referrers in the store") (convert ensure-store-items) - (identifier (lift1 identity %store-monad)) + (identifier (lift1 intern %store-monad)) (label store-path-package-name) (edges non-derivation-referrers))) |