232 lines
9.5 KiB
Scheme
232 lines
9.5 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix scripts refresh)
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#:use-module (guix ui)
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#:use-module (guix store)
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#:use-module (guix utils)
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#:use-module (guix packages)
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#:use-module (guix gnu-maintenance)
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#:use-module (guix gnupg)
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#:use-module (gnu packages)
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#:use-module ((gnu packages base) #:select (%final-inputs))
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#:use-module (ice-9 match)
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#:use-module (ice-9 regex)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-11)
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#:use-module (srfi srfi-26)
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#:use-module (srfi srfi-37)
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#:use-module (rnrs io ports)
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#:export (guix-refresh))
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;;;
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;;; Command-line options.
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;;;
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(define %default-options
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;; Alist of default option values.
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'())
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(define %options
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;; Specification of the command-line options.
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(list (option '(#\u "update") #f #f
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(lambda (opt name arg result)
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(alist-cons 'update? #t result)))
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(option '(#\s "select") #t #f
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(lambda (opt name arg result)
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(match arg
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((or "core" "non-core")
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(alist-cons 'select (string->symbol arg)
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result))
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(x
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(leave (_ "~a: invalid selection; expected `core' or `non-core'")
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arg)))))
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(option '("key-server") #t #f
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(lambda (opt name arg result)
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(alist-cons 'key-server arg result)))
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(option '("gpg") #t #f
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(lambda (opt name arg result)
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(alist-cons 'gpg-command arg result)))
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(option '("key-download") #t #f
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(lambda (opt name arg result)
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(match arg
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((or "interactive" "always" "never")
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(alist-cons 'key-download (string->symbol arg)
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result))
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(_
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(leave (_ "unsupported policy: ~a~%")
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arg)))))
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(option '(#\h "help") #f #f
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(lambda args
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(show-help)
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(exit 0)))
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(option '(#\V "version") #f #f
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(lambda args
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(show-version-and-exit "guix refresh")))))
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(define (show-help)
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(display (_ "Usage: guix refresh [OPTION]... PACKAGE...
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Update package definitions to match the latest upstream version.
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When PACKAGE... is given, update only the specified packages. Otherwise
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update all the packages of the distribution, or the subset thereof
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specified with `--select'.\n"))
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(display (_ "
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-u, --update update source files in place"))
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(display (_ "
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-s, --select=SUBSET select all the packages in SUBSET, one of
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`core' or `non-core'"))
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(newline)
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(display (_ "
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--key-server=HOST use HOST as the OpenPGP key server"))
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(display (_ "
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--gpg=COMMAND use COMMAND as the GnuPG 2.x command"))
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(display (_ "
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--key-download=POLICY
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handle missing OpenPGP keys according to POLICY:
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'always', 'never', and 'interactive', which is also
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used when 'key-download' is not specified"))
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(newline)
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(display (_ "
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-h, --help display this help and exit"))
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(display (_ "
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-V, --version display version information and exit"))
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(newline)
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(show-bug-report-information))
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(define* (update-package store package #:key (key-download 'interactive))
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"Update the source file that defines PACKAGE with the new version.
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KEY-DOWNLOAD specifies a download policy for missing OpenPGP keys; allowed
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values: 'interactive' (default), 'always', and 'never'."
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(let-values (((version tarball)
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(catch #t
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(lambda ()
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(package-update store package #:key-download key-download))
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(lambda _
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(values #f #f))))
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((loc)
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(or (package-field-location package
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'version)
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(package-location package))))
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(when version
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(if (and=> tarball file-exists?)
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(begin
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(format (current-error-port)
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(_ "~a: ~a: updating from version ~a to version ~a...~%")
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(location->string loc)
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(package-name package)
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(package-version package) version)
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(let ((hash (call-with-input-file tarball
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(compose sha256 get-bytevector-all))))
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(update-package-source package version hash)))
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(warning (_ "~a: version ~a could not be \
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downloaded and authenticated; not updating")
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(package-name package) version)))))
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;;;
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;;; Entry point.
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;;;
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(define (guix-refresh . args)
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(define (parse-options)
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;; Return the alist of option values.
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(args-fold* args %options
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(lambda (opt name arg result)
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(leave (_ "~A: unrecognized option~%") name))
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(lambda (arg result)
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(alist-cons 'argument arg result))
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%default-options))
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(define core-package?
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(let* ((input->package (match-lambda
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((name (? package? package) _ ...) package)
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(_ #f)))
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(final-inputs (map input->package %final-inputs))
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(core (append final-inputs
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(append-map (compose (cut filter-map input->package <>)
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package-transitive-inputs)
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final-inputs)))
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(names (delete-duplicates (map package-name core))))
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(lambda (package)
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"Return true if PACKAGE is likely a \"core package\"---i.e., one whose
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update would trigger a complete rebuild."
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;; Compare by name because packages in base.scm basically inherit
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;; other packages. So, even if those packages are not core packages
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;; themselves, updating them would also update those who inherit from
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;; them.
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;; XXX: Fails to catch MPFR/MPC, whose *source* is used as input.
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(member (package-name package) names))))
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(let* ((opts (parse-options))
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(update? (assoc-ref opts 'update?))
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(key-download (assoc-ref opts 'key-download))
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(packages
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(match (concatenate
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(filter-map (match-lambda
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(('argument . value)
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(let ((p (find-packages-by-name value)))
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(unless p
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(leave (_ "~a: no package by that name")
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value))
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p))
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(_ #f))
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opts))
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(() ; default to all packages
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(let ((select? (match (assoc-ref opts 'select)
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('core core-package?)
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('non-core (negate core-package?))
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(_ (const #t)))))
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;; TODO: Keep only the newest of each package.
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(fold-packages (lambda (package result)
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(if (select? package)
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(cons package result)
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result))
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'())))
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(some ; user-specified packages
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some))))
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(with-error-handling
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(if update?
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(let ((store (open-connection)))
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(parameterize ((%openpgp-key-server
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(or (assoc-ref opts 'key-server)
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(%openpgp-key-server)))
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(%gpg-command
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(or (assoc-ref opts 'gpg-command)
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(%gpg-command))))
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(for-each
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(cut update-package store <> #:key-download key-download)
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packages)))
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(for-each (lambda (package)
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(match (false-if-exception (package-update-path package))
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((new-version . directory)
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(let ((loc (or (package-field-location package 'version)
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(package-location package))))
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(format (current-error-port)
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(_ "~a: ~a would be upgraded from ~a to ~a~%")
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(location->string loc)
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(package-name package) (package-version package)
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new-version)))
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(_ #f)))
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packages)))))
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