guix package: Better separate option processing.
* guix/scripts/package.scm (find-package): Rename to... (specification->package+output): ... this. Rename 'name' parmameter to 'spec'. Return a package and output name instead of a tuple. (options->installable): New procedure (guix-package)[process-actions]: Use it, and remove corresponding code.
This commit is contained in:
Ludovic Courtès
parent
f506ed920c
commit
edac884624
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@ -421,41 +421,43 @@ VERSION."
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((_ version pkgs ...) pkgs)
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(#f '()))))
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(define* (find-package name #:optional (output "out"))
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"Find the package NAME; NAME may contain a version number and a
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sub-derivation name. If the version number is not present, return the
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preferred newest version. If the sub-derivation name is not present, use
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OUTPUT."
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(define request name)
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(define* (specification->package+output spec #:optional (output "out"))
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"Find the package and output specified by SPEC, or #f and #f; SPEC may
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optionally contain a version number and an output name, as in these examples:
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guile
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guile-2.0.9
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guile:debug
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guile-2.0.9:debug
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If SPEC does not specify a version number, return the preferred newest
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version; if SPEC does not specify an output, return OUTPUT."
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(define (ensure-output p sub-drv)
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(if (member sub-drv (package-outputs p))
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p
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sub-drv
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(leave (_ "package `~a' lacks output `~a'~%")
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(package-full-name p)
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sub-drv)))
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(let*-values (((name sub-drv)
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(match (string-rindex name #\:)
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(#f (values name output))
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(colon (values (substring name 0 colon)
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(substring name (+ 1 colon))))))
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(match (string-rindex spec #\:)
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(#f (values spec output))
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(colon (values (substring spec 0 colon)
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(substring spec (+ 1 colon))))))
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((name version)
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(package-name->name+version name)))
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(match (find-best-packages-by-name name version)
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((p)
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(list name (package-version p) sub-drv (ensure-output p sub-drv)
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(package-transitive-propagated-inputs p)))
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(values p (ensure-output p sub-drv)))
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((p p* ...)
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(warning (_ "ambiguous package specification `~a'~%")
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request)
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spec)
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(warning (_ "choosing ~a from ~a~%")
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(package-full-name p)
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(location->string (package-location p)))
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(list name (package-version p) sub-drv (ensure-output p sub-drv)
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(package-transitive-propagated-inputs p)))
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(values p (ensure-output p sub-drv)))
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(()
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(leave (_ "~a: package not found~%") request)))))
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(leave (_ "~a: package not found~%") spec)))))
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(define (upgradeable? name current-version current-path)
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"Return #t if there's a version of package NAME newer than CURRENT-VERSION,
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@ -707,6 +709,112 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n"))
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(cons `(query list-available ,(or arg ""))
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result)))))
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(define (options->installable opts installed)
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"Given INSTALLED, the set of currently installed packages, and OPTS, the
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result of 'args-fold', return two values: the new list of manifest entries,
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and the list of derivations that need to be built."
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(define (canonicalize-deps deps)
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;; Remove duplicate entries from DEPS, a list of propagated inputs,
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;; where each input is a name/path tuple.
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(define (same? d1 d2)
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(match d1
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((_ p1)
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(match d2
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((_ p2) (eq? p1 p2))
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(_ #f)))
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((_ p1 out1)
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(match d2
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((_ p2 out2)
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(and (string=? out1 out2)
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(eq? p1 p2)))
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(_ #f)))))
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(delete-duplicates deps same?))
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(define* (package->tuple p #:optional output)
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;; Convert package P to a manifest tuple.
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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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(check-package-freshness p)
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(let* ((output (or output (car (package-outputs p))))
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(path (package-output (%store) p output))
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(deps (package-transitive-propagated-inputs p)))
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`(,(package-name p)
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,(package-version p)
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,output
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,path
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,(canonicalize-deps deps))))
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(define upgrade-regexps
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(filter-map (match-lambda
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(('upgrade . regexp)
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(make-regexp (or regexp "")))
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(_ #f))
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opts))
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(define packages-to-upgrade
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(match upgrade-regexps
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(()
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'())
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((_ ...)
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(let ((newest (find-newest-available-packages)))
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(filter-map (match-lambda
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((name version output path _)
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(and (any (cut regexp-exec <> name)
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upgrade-regexps)
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(upgradeable? name version path)
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(let ((output (or output "out")))
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(call-with-values
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(lambda ()
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(specification->package+output name output))
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list))))
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(_ #f))
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installed)))))
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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->tuple 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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(append (map (match-lambda
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((package output)
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(package->tuple package output)))
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packages-to-install)
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(filter-map (match-lambda
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(('install . (? package?))
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#f)
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(('install . (? store-path? path))
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(let-values (((name version)
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(package-name->name+version
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(store-path-package-name path))))
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`(,name ,version #f ,path ())))
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(_ #f))
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opts)))
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(define derivations
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(map (match-lambda
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((package output)
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;; FIXME: We should really depend on just OUTPUT rather than on all
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;; the outputs of PACKAGE.
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(package-derivation (%store) package)))
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(append packages-to-install packages-to-upgrade)))
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(values (append to-upgrade to-install) derivations))
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;;;
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;;; Entry point.
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@ -780,43 +888,12 @@ more information.~%"))
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(define verbose? (assoc-ref opts 'verbose?))
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(define profile (assoc-ref opts 'profile))
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(define (canonicalize-deps deps)
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;; Remove duplicate entries from DEPS, a list of propagated inputs,
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;; where each input is a name/path tuple.
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(define (same? d1 d2)
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(match d1
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((_ p1)
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(match d2
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((_ p2) (eq? p1 p2))
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(_ #f)))
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((_ p1 out1)
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(match d2
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((_ p2 out2)
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(and (string=? out1 out2)
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(eq? p1 p2)))
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(_ #f)))))
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(delete-duplicates deps same?))
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(define (same-package? tuple name out)
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(match tuple
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((tuple-name _ tuple-output _ ...)
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(and (equal? name tuple-name)
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(equal? out tuple-output)))))
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(define (package->tuple p)
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;; Convert package P to a tuple.
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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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(let* ((out (car (package-outputs p)))
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(path (package-output (%store) p out))
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(deps (package-transitive-propagated-inputs p)))
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`(,(package-name p)
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,(package-version p)
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,out
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,p
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,(canonicalize-deps deps))))
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(define (show-what-to-remove/install remove install dry-run?)
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;; Tell the user what's going to happen in high-level terms.
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;; TODO: Report upgrades more clearly.
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@ -922,67 +999,11 @@ more information.~%"))
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(_ #f))
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opts))
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(else
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(let* ((installed (manifest-packages (profile-manifest profile)))
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(upgrade-regexps (filter-map (match-lambda
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(('upgrade . regexp)
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(make-regexp (or regexp "")))
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(_ #f))
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opts))
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(upgrade (if (null? upgrade-regexps)
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'()
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(let ((newest (find-newest-available-packages)))
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(filter-map
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(match-lambda
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((name version output path _)
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(and (any (cut regexp-exec <> name)
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upgrade-regexps)
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(upgradeable? name version path)
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(find-package name
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(or output "out"))))
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(_ #f))
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installed))))
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(install (append
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upgrade
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(filter-map (match-lambda
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(('install . (? package? p))
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(package->tuple p))
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(('install . (? store-path?))
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#f)
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(('install . package)
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(find-package package))
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(_ #f))
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opts)))
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(drv (filter-map (match-lambda
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((name version sub-drv
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(? package? package)
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(deps ...))
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(check-package-freshness package)
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(package-derivation (%store) package))
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(_ #f))
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install))
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(install*
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(append
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(filter-map (match-lambda
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(('install . (? package? p))
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#f)
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(('install . (? store-path? path))
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(let-values (((name version)
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(package-name->name+version
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(store-path-package-name
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path))))
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`(,name ,version #f ,path ())))
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(_ #f))
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opts)
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(map (lambda (tuple drv)
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(match tuple
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((name version sub-drv _ (deps ...))
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(let ((output-path
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(derivation->output-path
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drv sub-drv)))
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`(,name ,version ,sub-drv ,output-path
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,(canonicalize-deps deps))))))
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install drv)))
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(remove (filter-map (match-lambda
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(let*-values (((installed)
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(manifest-packages (profile-manifest profile)))
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((install* drv)
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(options->installable opts installed)))
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(let* ((remove (filter-map (match-lambda
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(('remove . package)
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package)
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(_ #f))
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@ -1024,7 +1045,7 @@ more information.~%"))
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(name (format #f "~a-~a-link"
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profile (+ 1 number))))
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(if (string=? old-prof prof)
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(when (or (pair? install) (pair? remove))
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(when (or (pair? install*) (pair? remove))
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(format (current-error-port)
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(_ "nothing to be done~%")))
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(and (parameterize ((current-build-output-port
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@ -1042,7 +1063,7 @@ more information.~%"))
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count)
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count)
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(display-search-paths packages
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profile)))))))))))
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profile))))))))))))
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(define (process-query opts)
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;; Process any query specified by OPTS. Return #t when a query was
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