b9e5c0a949
* guix-package.in (guix-package): Create the %USER-ENVIRONMENT-DIRECTORY symlink if it doesn't exist yet. * doc/guix.texi (Invoking guix-package): Document it.
476 lines
19 KiB
Scheme
476 lines
19 KiB
Scheme
#!/bin/sh
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# aside from this initial boilerplate, this is actually -*- scheme -*- code
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prefix="@prefix@"
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datarootdir="@datarootdir@"
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GUILE_LOAD_COMPILED_PATH="@guilemoduledir@:$GUILE_LOAD_COMPILED_PATH"
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export GUILE_LOAD_COMPILED_PATH
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main='(module-ref (resolve-interface '\''(guix-package)) '\'guix-package')'
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exec ${GUILE-@GUILE@} -L "@guilemoduledir@" -l "$0" \
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-c "(apply $main (cdr (command-line)))" "$@"
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!#
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.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-package)
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#:use-module (guix ui)
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#:use-module (guix store)
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#:use-module (guix derivations)
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#:use-module (guix packages)
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#:use-module (guix utils)
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#:use-module (guix config)
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#:use-module (ice-9 ftw)
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#:use-module (ice-9 format)
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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-34)
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#:use-module (srfi srfi-37)
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#:use-module (distro)
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#:use-module ((distro packages base) #:select (guile-final))
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#:use-module ((distro packages bootstrap) #:select (%bootstrap-guile))
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#:export (guix-package))
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(define %store
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(open-connection))
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;;;
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;;; User environment.
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;;;
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(define %user-environment-directory
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(and=> (getenv "HOME")
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(cut string-append <> "/.guix-profile")))
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(define %profile-directory
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(string-append %state-directory "/profiles/"
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(or (and=> (getenv "USER")
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(cut string-append "per-user/" <>))
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"default")))
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(define %current-profile
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;; Call it `guix-profile', not `profile', to allow Guix profiles to
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;; coexist with Nix profiles.
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(string-append %profile-directory "/guix-profile"))
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(define (profile-manifest profile)
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"Return the PROFILE's manifest."
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(let ((manifest (string-append profile "/manifest")))
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(if (file-exists? manifest)
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(call-with-input-file manifest read)
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'(manifest (version 0) (packages ())))))
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(define (manifest-packages manifest)
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"Return the packages listed in MANIFEST."
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(match manifest
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(('manifest ('version 0) ('packages packages))
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packages)
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(_
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(error "unsupported manifest format" manifest))))
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(define (latest-profile-number profile)
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"Return the identifying number of the latest generation of PROFILE.
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PROFILE is the name of the symlink to the current generation."
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(define %profile-rx
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(make-regexp (string-append "^" (regexp-quote (basename profile))
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"-([0-9]+)")))
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(define* (scandir name #:optional (select? (const #t))
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(entry<? (@ (ice-9 i18n) string-locale<?)))
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;; XXX: Bug-fix version introduced in Guile v2.0.6-62-g139ce19.
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(define (enter? dir stat result)
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(and stat (string=? dir name)))
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(define (visit basename result)
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(if (select? basename)
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(cons basename result)
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result))
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(define (leaf name stat result)
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(and result
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(visit (basename name) result)))
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(define (down name stat result)
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(visit "." '()))
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(define (up name stat result)
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(visit ".." result))
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(define (skip name stat result)
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;; All the sub-directories are skipped.
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(visit (basename name) result))
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(define (error name* stat errno result)
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(if (string=? name name*) ; top-level NAME is unreadable
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result
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(visit (basename name*) result)))
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(and=> (file-system-fold enter? leaf down up skip error #f name lstat)
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(lambda (files)
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(sort files entry<?))))
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(match (scandir (dirname profile)
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(cut regexp-exec %profile-rx <>))
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(#f ; no profile directory
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0)
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(() ; no profiles
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0)
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((profiles ...) ; former profiles around
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(let ((numbers (map (compose string->number
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(cut match:substring <> 1)
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(cut regexp-exec %profile-rx <>))
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profiles)))
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(fold (lambda (number highest)
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(if (> number highest)
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number
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highest))
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0
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numbers)))))
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(define (profile-derivation store packages)
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"Return a derivation that builds a profile (a user environment) with
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all of PACKAGES, a list of name/version/output/path tuples."
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(define builder
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`(begin
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(use-modules (ice-9 pretty-print)
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(guix build union))
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(setvbuf (current-output-port) _IOLBF)
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(setvbuf (current-error-port) _IOLBF)
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(let ((output (assoc-ref %outputs "out"))
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(inputs (map cdr %build-inputs)))
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(format #t "building user environment `~a' with ~a packages...~%"
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output (length inputs))
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(union-build output inputs)
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(call-with-output-file (string-append output "/manifest")
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(lambda (p)
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(pretty-print '(manifest (version 0)
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(packages ,packages))
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p))))))
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(build-expression->derivation store "user-environment"
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(%current-system)
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builder
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(map (match-lambda
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((name version output path)
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`(,name ,path)))
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packages)
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#:modules '((guix build union))))
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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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`((profile . ,%current-profile)))
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(define (show-help)
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(display (_ "Usage: guix-package [OPTION]... PACKAGES...
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Install, remove, or upgrade PACKAGES in a single transaction.\n"))
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(display (_ "
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-i, --install=PACKAGE install PACKAGE"))
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(display (_ "
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-r, --remove=PACKAGE remove PACKAGE"))
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(display (_ "
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-u, --upgrade=REGEXP upgrade all the installed packages matching REGEXP"))
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(newline)
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(display (_ "
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-p, --profile=PROFILE use PROFILE instead of the user's default profile"))
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(display (_ "
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-n, --dry-run show what would be done without actually doing it"))
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(display (_ "
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--bootstrap use the bootstrap Guile to build the profile"))
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(display (_ "
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--verbose produce verbose output"))
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(newline)
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(display (_ "
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-I, --list-installed[=REGEXP]
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list installed packages matching REGEXP"))
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(display (_ "
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-A, --list-available[=REGEXP]
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list available packages matching REGEXP"))
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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 %options
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;; Specification of the command-line options.
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(list (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-package")))
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(option '(#\i "install") #t #f
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(lambda (opt name arg result)
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(alist-cons 'install arg result)))
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(option '(#\r "remove") #t #f
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(lambda (opt name arg result)
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(alist-cons 'remove arg result)))
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(option '(#\p "profile") #t #f
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(lambda (opt name arg result)
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(alist-cons 'profile arg
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(alist-delete 'profile result))))
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(option '(#\n "dry-run") #f #f
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(lambda (opt name arg result)
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(alist-cons 'dry-run? #t result)))
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(option '("bootstrap") #f #f
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(lambda (opt name arg result)
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(alist-cons 'bootstrap? #t result)))
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(option '("verbose") #f #f
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(lambda (opt name arg result)
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(alist-cons 'verbose? #t result)))
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(option '(#\I "list-installed") #f #t
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(lambda (opt name arg result)
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(cons `(query list-installed ,(or arg ""))
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result)))
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(option '(#\A "list-available") #f #t
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(lambda (opt name arg result)
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(cons `(query list-available ,(or arg ""))
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result)))))
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;;;
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;;; Entry point.
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;;;
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(define (guix-package . 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 (guile-missing?)
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;; Return #t if %GUILE-FOR-BUILD is not available yet.
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(let ((out (derivation-path->output-path (%guile-for-build))))
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(not (valid-path? %store out))))
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(define (show-what-to-build drv dry-run?)
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;; Show what will/would be built in realizing the derivations listed
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;; in DRV.
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(let* ((req (append-map (lambda (drv-path)
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(let ((d (call-with-input-file drv-path
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read-derivation)))
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(derivation-prerequisites-to-build %store d)))
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drv))
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(req* (delete-duplicates
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(append (remove (compose (cut valid-path? %store <>)
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derivation-path->output-path)
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drv)
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(map derivation-input-path req)))))
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(if dry-run?
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(format (current-error-port)
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(N_ "~:[the following derivation would be built:~%~{ ~a~%~}~;~]"
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"~:[the following derivations would be built:~%~{ ~a~%~}~;~]"
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(length req*))
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(null? req*) req*)
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(format (current-error-port)
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(N_ "~:[the following derivation will be built:~%~{ ~a~%~}~;~]"
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"~:[the following derivations will be built:~%~{ ~a~%~}~;~]"
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(length req*))
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(null? req*) req*))))
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(define (find-package name)
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;; Find the package NAME; NAME may contain a version number and a
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;; sub-derivation name.
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(define request name)
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(let*-values (((name sub-drv)
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(match (string-rindex name #\:)
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(#f (values name "out"))
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(colon (values (substring name 0 colon)
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(substring name (+ 1 colon))))))
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((name version)
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(package-name->name+version name)))
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(match (find-packages-by-name name version)
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((p)
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(list name (package-version p) sub-drv p))
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((p p* ...)
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(format (current-error-port)
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(_ "warning: ambiguous package specification `~a'~%")
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request)
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(format (current-error-port)
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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 p))
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(()
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(leave (_ "~a: package not found~%") request)))))
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(define (process-actions opts)
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;; Process any install/remove/upgrade action from OPTS.
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(let* ((dry-run? (assoc-ref opts 'dry-run?))
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(verbose? (assoc-ref opts 'verbose?))
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(profile (assoc-ref opts 'profile))
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(install (filter-map (match-lambda
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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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(package-derivation %store package))
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(_ #f))
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install))
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(install* (append
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(filter-map (match-lambda
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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 _)
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(let ((output-path
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(derivation-path->output-path
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drv sub-drv)))
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`(,name ,version ,sub-drv ,output-path)))))
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install drv)))
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(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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opts))
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(packages (append install*
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(fold (lambda (package result)
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(match package
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((name _ ...)
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(alist-delete name result))))
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(fold alist-delete
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(manifest-packages
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(profile-manifest profile))
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remove)
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install*))))
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(show-what-to-build drv dry-run?)
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(or dry-run?
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(and (build-derivations %store drv)
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(let* ((prof-drv (profile-derivation %store packages))
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(prof (derivation-path->output-path prof-drv))
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(old-drv (profile-derivation
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%store (manifest-packages
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(profile-manifest profile))))
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(old-prof (derivation-path->output-path old-drv))
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(number (latest-profile-number profile))
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(name (format #f "~a/~a-~a-link"
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(dirname profile)
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(basename profile) (+ 1 number))))
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(if (string=? old-prof prof)
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(format (current-error-port) (_ "nothing to be done~%"))
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(and (parameterize ((current-build-output-port
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;; Output something when Guile
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;; needs to be built.
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(if (or verbose? (guile-missing?))
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(current-error-port)
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(%make-void-port "w"))))
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(build-derivations %store (list prof-drv)))
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(begin
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(symlink prof name)
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(when (file-exists? profile)
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(delete-file profile))
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(symlink name 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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;; actually processed, #f otherwise.
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(let ((profile (assoc-ref opts 'profile)))
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(match (assoc-ref opts 'query)
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(('list-installed regexp)
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(let* ((regexp (and regexp (make-regexp regexp)))
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(manifest (profile-manifest profile))
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(installed (manifest-packages manifest)))
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(for-each (match-lambda
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((name version output path)
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(when (or (not regexp)
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(regexp-exec regexp name))
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(format #t "~a\t~a\t~a\t~a~%"
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name (or version "?") output path))))
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installed)
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#t))
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(('list-available regexp)
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(let* ((regexp (and regexp (make-regexp regexp)))
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(available (fold-packages
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(lambda (p r)
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(let ((n (package-name p)))
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(if regexp
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(if (regexp-exec regexp n)
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(cons p r)
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r)
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(cons p r))))
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'())))
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(for-each (lambda (p)
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(format #t "~a\t~a\t~a\t~a~%"
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(package-name p)
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(package-version p)
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(string-join (package-outputs p) ",")
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(location->string (package-location p))))
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(sort available
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(lambda (p1 p2)
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(string<? (package-name p1)
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(package-name p2)))))
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#t))
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(_ #f))))
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(setlocale LC_ALL "")
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(textdomain "guix")
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(setvbuf (current-output-port) _IOLBF)
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(setvbuf (current-error-port) _IOLBF)
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(let ((opts (parse-options)))
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;; Create ~/.guix-profile if it doesn't exist yet.
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(when (and %user-environment-directory
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%current-profile
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(not (file-exists? %user-environment-directory)))
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(symlink %current-profile %user-environment-directory))
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(with-error-handling
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(or (process-query opts)
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(parameterize ((%guile-for-build
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(package-derivation %store
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(if (assoc-ref opts 'bootstrap?)
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%bootstrap-guile
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guile-final))))
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(process-actions opts))))))
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