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-rw-r--r--guix/channels.scm43
1 files changed, 19 insertions, 24 deletions
diff --git a/guix/channels.scm b/guix/channels.scm
index e7278c6060..fcf9fed829 100644
--- a/guix/channels.scm
+++ b/guix/channels.scm
@@ -429,32 +429,27 @@ derivation."
(define (channel-instances->manifest instances)
"Return a profile manifest with entries for all of INSTANCES, a list of
channel instances."
- (define instance->entry
- (match-lambda
- ((instance drv)
- (let ((commit (channel-instance-commit instance))
- (channel (channel-instance-channel instance)))
- (with-monad %store-monad
- (return (manifest-entry
- (name (symbol->string (channel-name channel)))
- (version (string-take commit 7))
- (item (if (guix-channel? channel)
- (if (old-style-guix? drv)
- (whole-package-for-legacy
- (string-append name "-" version)
- drv)
- drv)
- drv))
- (properties
- `((source (repository
- (version 0)
- (url ,(channel-url channel))
- (branch ,(channel-branch channel))
- (commit ,commit))))))))))))
+ (define (instance->entry instance drv)
+ (let ((commit (channel-instance-commit instance))
+ (channel (channel-instance-channel instance)))
+ (manifest-entry
+ (name (symbol->string (channel-name channel)))
+ (version (string-take commit 7))
+ (item (if (guix-channel? channel)
+ (if (old-style-guix? drv)
+ (whole-package-for-legacy (string-append name "-" version)
+ drv)
+ drv)
+ drv))
+ (properties
+ `((source (repository
+ (version 0)
+ (url ,(channel-url channel))
+ (branch ,(channel-branch channel))
+ (commit ,commit))))))))
(mlet* %store-monad ((derivations (channel-instance-derivations instances))
- (entries (mapm %store-monad instance->entry
- (zip instances derivations))))
+ (entries -> (map instance->entry instances derivations)))
(return (manifest entries))))
(define (package-cache-file manifest)