diff options
Diffstat (limited to 'guix/gexp.scm')
| -rw-r--r-- | guix/gexp.scm | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/guix/gexp.scm b/guix/gexp.scm index d11ed177fe..1b8e43e994 100644 --- a/guix/gexp.scm +++ b/guix/gexp.scm @@ -912,13 +912,17 @@ environment." (system (%current-system)) (guile (%guile-for-build))) "Return a derivation that imports FILES into STORE. FILES must be a list -of (FINAL-PATH . FILE-NAME) pairs; each FILE-NAME is read from the file -system, imported, and appears under FINAL-PATH in the resulting store path." +of (FINAL-PATH . FILE) pairs. Each FILE is mapped to FINAL-PATH in the +resulting store path. FILE can be either a file name, or a file-like object, +as returned by 'local-file' for example." (define file-pair (match-lambda - ((final-path . file-name) + ((final-path . (? string? file-name)) (mlet %store-monad ((file (interned-file file-name (basename final-path)))) + (return (list final-path file)))) + ((final-path . file-like) + (mlet %store-monad ((file (lower-object file-like system))) (return (list final-path file)))))) (mlet %store-monad ((files (sequence %store-monad @@ -950,14 +954,28 @@ system, imported, and appears under FINAL-PATH in the resulting store path." (guile (%guile-for-build)) (module-path %load-path)) "Return a derivation that contains the source files of MODULES, a list of -module names such as `(ice-9 q)'. All of MODULES must be in the MODULE-PATH -search path." - ;; TODO: Determine the closure of MODULES, build the `.go' files, - ;; canonicalize the source files through read/write, etc. - (let ((files (map (lambda (m) - (let ((f (module->source-file-name m))) - (cons f (search-path* module-path f)))) - modules))) +module names such as `(ice-9 q)'. All of MODULES must be either names of +modules to be found in the MODULE-PATH search path, or a module name followed +by an arrow followed by a file-like object. For example: + + (imported-modules `((guix build utils) + (guix gcrypt) + ((guix config) => ,(scheme-file …)))) + +In this example, the first two modules are taken from MODULE-PATH, and the +last one is created from the given <scheme-file> object." + (mlet %store-monad ((files + (mapm %store-monad + (match-lambda + (((module ...) '=> file) + (return + (cons (module->source-file-name module) + file))) + ((module ...) + (let ((f (module->source-file-name module))) + (return + (cons f (search-path* module-path f)))))) + modules))) (imported-files files #:name name #:system system #:guile guile))) |