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channels: Simplify 'channel-instances->manifest'. 

* guix/channels.scm (channel-instances->manifest)[instance->entry]:
Change to take two arguments instead of a tuple.  Turn into a
non-monadic procedure.
Call it via 'map' instead of 'mapm'.
master
Ludovic Courtès 2019-07-06 15:54:45 +02:00
parent 403f2189aa
commit d9e6217f4e
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GPG Key ID: 090B11993D9AEBB5
1 changed files with 19 additions and 24 deletions
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43
guix/channels.scm
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@ -429,32 +429,27 @@ derivation."
(define (channel-instances->manifest instances) (define (channel-instances->manifest instances)
"Return a profile manifest with entries for all of INSTANCES, a list of "Return a profile manifest with entries for all of INSTANCES, a list of
channel instances." channel instances."
(define instance->entry (define (instance->entry instance drv)
(match-lambda (let ((commit (channel-instance-commit instance))
((instance drv) (channel (channel-instance-channel instance)))
(let ((commit (channel-instance-commit instance)) (manifest-entry
(channel (channel-instance-channel instance))) (name (symbol->string (channel-name channel)))
(with-monad %store-monad (version (string-take commit 7))
(return (manifest-entry (item (if (guix-channel? channel)
(name (symbol->string (channel-name channel))) (if (old-style-guix? drv)
(version (string-take commit 7)) (whole-package-for-legacy (string-append name "-" version)
(item (if (guix-channel? channel) drv)
(if (old-style-guix? drv) drv)
(whole-package-for-legacy drv))
(string-append name "-" version) (properties
drv) `((source (repository
drv) (version 0)
drv)) (url ,(channel-url channel))
(properties (branch ,(channel-branch channel))
`((source (repository (commit ,commit))))))))
(version 0)
(url ,(channel-url channel))
(branch ,(channel-branch channel))
(commit ,commit))))))))))))
(mlet* %store-monad ((derivations (channel-instance-derivations instances)) (mlet* %store-monad ((derivations (channel-instance-derivations instances))
(entries (mapm %store-monad instance->entry (entries -> (map instance->entry instances derivations)))
(zip instances derivations))))
(return (manifest entries)))) (return (manifest entries))))
(define (package-cache-file manifest) (define (package-cache-file manifest)