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-rw-r--r--gnu/system/vm.scm23
1 files changed, 18 insertions, 5 deletions
diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm
index 16be5ac59a..e89815225e 100644
--- a/gnu/system/vm.scm
+++ b/gnu/system/vm.scm
@@ -467,11 +467,24 @@ in the new directory, and the second element is the target file.
The subset of FILES corresponding to plain store files is automatically added
as an inputs; additional inputs, such as derivations, are taken from INPUTS."
(mlet %store-monad ((inputs (lower-inputs inputs)))
- (let ((inputs (append inputs
- (filter (match-lambda
- ((_ file)
- (direct-store-path? file)))
- files))))
+ (let* ((outputs (append-map (match-lambda
+ ((_ (? derivation? drv))
+ (list (derivation->output-path drv)))
+ ((_ (? derivation? drv) sub-drv ...)
+ (map (cut derivation->output-path drv <>)
+ sub-drv))
+ (_ '()))
+ inputs))
+ (inputs (append inputs
+ (filter (match-lambda
+ ((_ file)
+ ;; Elements of FILES that are store
+ ;; files and that do not correspond to
+ ;; the output of INPUTS are considered
+ ;; inputs (still here?).
+ (and (direct-store-path? file)
+ (not (member file outputs)))))
+ files))))
(derivation-expression name
`(let ((out (assoc-ref %outputs "out")))
(mkdir out)