diff options
Diffstat (limited to 'guix/build/profiles.scm')
| -rw-r--r-- | guix/build/profiles.scm | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/guix/build/profiles.scm b/guix/build/profiles.scm index f9875ca92e..2ab76bde74 100644 --- a/guix/build/profiles.scm +++ b/guix/build/profiles.scm @@ -149,19 +149,33 @@ instead make DIRECTORY a \"real\" directory containing symlinks." "Parse MANIFEST, an sexp as produced by 'manifest->gexp', and return two values: the list of store items of its manifest entries, and the list of search path specifications." + (define-syntax let-fields + (syntax-rules () + ;; Bind the fields NAME of LST to same-named variables in the lexical + ;; scope of BODY. + ((_ lst (name rest ...) body ...) + (let ((name (match (assq 'name lst) + ((_ value) value) + (#f '())))) + (let-fields lst (rest ...) body ...))) + ((_ lst () body ...) + (begin body ...)))) + (match manifest ;this must match 'manifest->gexp' - (('manifest ('version 3) + (('manifest ('version 4) ('packages (entries ...))) (let loop ((entries entries) (inputs '()) (search-paths '())) (match entries - (((name version output item - ('propagated-inputs deps) - ('search-paths paths) _ ...) . rest) - (loop (append rest deps) ;breadth-first traversal - (cons item inputs) - (append paths search-paths))) + (((name version output item fields ...) . rest) + (let ((paths search-paths)) + (let-fields fields (propagated-inputs search-paths properties) + (loop (append rest propagated-inputs) ;breadth-first traversal + (cons item inputs) + (append search-paths paths))))) + ((('repeated name version item) . rest) + (loop rest inputs search-paths)) (() (values (reverse inputs) (delete-duplicates @@ -212,4 +226,8 @@ search paths of MANIFEST's entries." ;; Write 'OUTPUT/etc/profile'. (build-etc/profile output search-paths))) +;;; Local Variables: +;;; eval: (put 'let-fields 'scheme-indent-function 2) +;;; End: + ;;; profile.scm ends here |