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authorLudovic Courtès <ludo@gnu.org>2015-01-21 19:31:10 +0100
committerLudovic Courtès <ludo@gnu.org>2015-01-21 23:18:57 +0100
commit3698f524d5d1777aebec653c444783800a70417a (patch)
treedb2aadd59a06174d486409a9680fc4df49200d08
parenta101c891e1164ecb30145c798f441c285ec139ad (diff)
store: Change 'run-with-store' to return a single value.
* guix/store.scm (run-with-store): Wrap 'run-with-state' in 'call-with-values'. Return only the first value.
-rw-r--r--guix/store.scm8
1 files changed, 6 insertions, 2 deletions
diff --git a/guix/store.scm b/guix/store.scm
index 63425b3023..a12abc8671 100644
--- a/guix/store.scm
+++ b/guix/store.scm
@@ -917,10 +917,14 @@ permission bits are kept."
(guile-for-build (%guile-for-build))
(system (%current-system)))
"Run MVAL, a monadic value in the store monad, in STORE, an open store
-connection."
+connection, and return the result."
(parameterize ((%guile-for-build guile-for-build)
(%current-system system))
- (run-with-state mval store)))
+ (call-with-values (lambda ()
+ (run-with-state mval store))
+ (lambda (result store)
+ ;; Discard the state.
+ result))))
;;;