guix package: Refactor 'options->installable'.
* guix/scripts/package.scm (options->upgrade-predicate) (store-item->manifest-entry): New procedures. * guix/scripts/package.scm (options->installable): Use them. Remove the 'packages-to-upgrade' and 'packages-to-install' variables by getting rid of a level of indirection.
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@ -510,15 +510,10 @@ kind of search path~%")
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%standard-build-options))
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%standard-build-options))
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(define (options->installable opts manifest)
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(define (options->upgrade-predicate opts)
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"Given MANIFEST, the current manifest, and OPTS, the result of 'args-fold',
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"Return a predicate based on the upgrade/do-not-upgrade regexps in OPTS
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return the new list of manifest entries."
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that, given a package name, returns true if the package is a candidate for
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(define (package->manifest-entry* package output)
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upgrading, #f otherwise."
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(check-package-freshness package)
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;; When given a package via `-e', install the first of its
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;; outputs (XXX).
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(package->manifest-entry package output))
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(define upgrade-regexps
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(define upgrade-regexps
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(filter-map (match-lambda
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(filter-map (match-lambda
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(('upgrade . regexp)
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(('upgrade . regexp)
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@ -533,63 +528,57 @@ return the new list of manifest entries."
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(_ #f))
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(_ #f))
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opts))
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opts))
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(define packages-to-upgrade
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(lambda (name)
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(match upgrade-regexps
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(and (any (cut regexp-exec <> name) upgrade-regexps)
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(()
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(not (any (cut regexp-exec <> name) do-not-upgrade-regexps)))))
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'())
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((_ ...)
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(define (store-item->manifest-entry item)
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"Return a manifest entry for ITEM, a \"/gnu/store/...\" file name."
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(let-values (((name version)
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(package-name->name+version (store-path-package-name item))))
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(manifest-entry
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(name name)
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(version version)
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(output #f)
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(item item))))
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(define (options->installable opts manifest)
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"Given MANIFEST, the current manifest, and OPTS, the result of 'args-fold',
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return the new list of manifest entries."
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(define (package->manifest-entry* package output)
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(check-package-freshness package)
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(package->manifest-entry package output))
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(define upgrade?
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(options->upgrade-predicate opts))
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(define to-upgrade
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(filter-map (match-lambda
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(filter-map (match-lambda
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(($ <manifest-entry> name version output path _)
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(($ <manifest-entry> name version output path _)
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(and (any (cut regexp-exec <> name)
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(and (upgrade? name)
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upgrade-regexps)
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(not (any (cut regexp-exec <> name)
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do-not-upgrade-regexps))
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(upgradeable? name version path)
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(upgradeable? name version path)
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(let ((output (or output "out")))
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(let ((output (or output "out")))
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(call-with-values
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(call-with-values
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(lambda ()
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(lambda ()
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(specification->package+output name output))
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(specification->package+output name output))
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list))))
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package->manifest-entry*))))
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(_ #f))
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(_ #f))
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(manifest-entries manifest)))))
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(manifest-entries manifest)))
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(define to-upgrade
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(map (match-lambda
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((package output)
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(package->manifest-entry* package output)))
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packages-to-upgrade))
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(define packages-to-install
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(filter-map (match-lambda
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(('install . (? package? p))
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(list p "out"))
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(('install . (? string? spec))
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(and (not (store-path? spec))
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(let-values (((package output)
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(specification->package+output spec)))
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(and package (list package output)))))
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(_ #f))
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opts))
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(define to-install
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(define to-install
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(append (map (match-lambda
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((package output)
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(package->manifest-entry* package output)))
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packages-to-install)
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(filter-map (match-lambda
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(filter-map (match-lambda
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(('install . (? package?))
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(('install . (? package? p))
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#f)
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;; When given a package via `-e', install the first of its
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(('install . (? store-path? path))
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;; outputs (XXX).
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(let-values (((name version)
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(package->manifest-entry* p "out"))
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(package-name->name+version
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(('install . (? string? spec))
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(store-path-package-name path))))
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(if (store-path? spec)
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(manifest-entry
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(store-item->manifest-entry spec)
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(name name)
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(let-values (((package output)
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(version version)
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(specification->package+output spec)))
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(output #f)
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(package->manifest-entry* package output))))
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(item path))))
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(_ #f))
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(_ #f))
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opts)))
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opts))
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(append to-upgrade to-install))
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(append to-upgrade to-install))
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