diff options
Diffstat (limited to 'gnu/system/vm.scm')
| -rw-r--r-- | gnu/system/vm.scm | 56 |
1 files changed, 22 insertions, 34 deletions
diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm index 9d8ad87b88..91b804d018 100644 --- a/gnu/system/vm.scm +++ b/gnu/system/vm.scm @@ -64,6 +64,26 @@ ;;; ;;; Code: +(define* (input->name+output tuple #:key (system (%current-system))) + "Return as a monadic value a name/file-name pair corresponding to TUPLE, an +input tuple. The output file name is when building for SYSTEM." + (with-monad %store-monad + (match tuple + ((input (? package? package)) + (mlet %store-monad ((out (package-file package #:system system))) + (return `(,input . ,out)))) + ((input (? package? package) sub-drv) + (mlet %store-monad ((out (package-file package + #:output sub-drv + #:system system))) + (return `(,input . ,out)))) + ((input (? derivation? drv)) + (return `(,input . ,(derivation->output-path drv)))) + ((input (? derivation? drv) sub-drv) + (return `(,input . ,(derivation->output-path drv sub-drv)))) + ((input (and (? string?) (? store-path?) file)) + (return `(,input . ,file)))))) + (define* (expression->derivation-in-linux-vm name exp #:key (system (%current-system)) @@ -97,23 +117,7 @@ made available under the /xchg CIFS share." ;; `build-expression->derivation'. (define input-alist - (with-monad %store-monad - (map (match-lambda - ((input (? package? package)) - (mlet %store-monad ((out (package-file package #:system system))) - (return `(,input . ,out)))) - ((input (? package? package) sub-drv) - (mlet %store-monad ((out (package-file package - #:output sub-drv - #:system system))) - (return `(,input . ,out)))) - ((input (? derivation? drv)) - (return `(,input . ,(derivation->output-path drv)))) - ((input (? derivation? drv) sub-drv) - (return `(,input . ,(derivation->output-path drv sub-drv)))) - ((input (and (? string?) (? store-path?) file)) - (return `(,input . ,file)))) - inputs))) + (map input->name+output inputs)) (define builder ;; Code that launches the VM that evaluates EXP. @@ -192,25 +196,9 @@ POPULATE is a list of directives stating directories or symlinks to be created in the disk image partition. It is evaluated once the image has been populated with INPUTS-TO-COPY. It can be used to provide additional files, such as /etc files." - (define (input->name+derivation tuple) - (with-monad %store-monad - (match tuple - ((name (? package? package)) - (mlet %store-monad ((drv (package->derivation package system))) - (return `(,name . ,(derivation->output-path drv))))) - ((name (? package? package) sub-drv) - (mlet %store-monad ((drv (package->derivation package system))) - (return `(,name . ,(derivation->output-path drv sub-drv))))) - ((name (? derivation? drv)) - (return `(,name . ,(derivation->output-path drv)))) - ((name (? derivation? drv) sub-drv) - (return `(,name . ,(derivation->output-path drv sub-drv)))) - ((input (and (? string?) (? store-path?) file)) - (return `(,input . ,file)))))) - (mlet %store-monad ((graph (sequence %store-monad - (map input->name+derivation inputs-to-copy)))) + (map input->name+output inputs-to-copy)))) (expression->derivation-in-linux-vm "qemu-image" `(let () |