mirror of
https://git.in.rschanz.org/ryan77627/guix.git
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4dede022fd
* guix-package.in (profile-manifest): Return "version 1" manifests. (manifest-packages): Likewise. When MANIFEST is "version 0", add '() as the list of "propagated inputs" of each package. (profile-derivation): Produce "version 1" manifests. Pass each PACKAGES item's propagated inputs as an input for BUILDER. (input->name+path): New procedure. (guix-package)[find-package]: Add the transitive propagated inputs of each selected package as the last item of the tuple. [canonicalize-deps]: New procedure. [process-actions]: Adjust to support propagated inputs as the last item. [process-query]: Likewise.
659 lines
26 KiB
Scheme
659 lines
26 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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;;; 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-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 ((guix build utils) #:select (directory-exists? mkdir-p))
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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 (gnu packages)
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#:use-module ((gnu packages base) #:select (guile-final))
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#:use-module ((gnu packages bootstrap) #:select (%bootstrap-guile))
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#:export (guix-package))
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(define %store
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(make-parameter #f))
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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 (or (getenv "NIX_STATE_DIR") %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 1) (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)
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('packages ((name version output path) ...)))
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(zip name version output path
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(make-list (length name) '())))
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;; Version 1 adds a list of propagated inputs to the
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;; name/version/output/path tuples.
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(('manifest ('version 1)
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('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 (profile-regexp profile)
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"Return a regular expression that matches PROFILE's name and number."
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(make-regexp (string-append "^" (regexp-quote (basename profile))
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"-([0-9]+)")))
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(define (profile-numbers profile)
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"Return the list of generation numbers of PROFILE, or '(0) if no
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former profiles were found."
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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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(cute regexp-exec (profile-regexp profile) <>))
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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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(map (compose string->number
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(cut match:substring <> 1)
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(cute regexp-exec (profile-regexp profile) <>))
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profiles))))
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(define (previous-profile-number profile number)
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"Return the number of the generation before generation NUMBER of
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PROFILE, or 0 if none exists. It could be NUMBER - 1, but it's not the
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case when generations have been deleted (there are \"holes\")."
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(fold (lambda (candidate highest)
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(if (and (< candidate number) (> candidate highest))
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candidate
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highest))
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0
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(profile-numbers profile)))
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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/deps 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 1)
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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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(append-map (match-lambda
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((name version output path deps)
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`((,name ,path)
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,@deps)))
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packages)
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#:modules '((guix build union))))
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(define (profile-number profile)
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"Return PROFILE's number or 0. An absolute file name must be used."
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(or (and=> (false-if-exception (regexp-exec (profile-regexp profile)
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(basename (readlink profile))))
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(compose string->number (cut match:substring <> 1)))
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0))
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(define (switch-symlinks link target)
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"Atomically switch LINK, a symbolic link, to point to TARGET. Works
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both when LINK already exists and when it does not."
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(let ((pivot (string-append link ".new")))
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(symlink target pivot)
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(rename-file pivot link)))
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(define (roll-back profile)
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"Roll back to the previous generation of PROFILE."
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(let* ((number (profile-number profile))
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(previous-number (previous-profile-number profile number))
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(previous-profile (format #f "~a-~a-link"
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profile previous-number))
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(manifest (string-append previous-profile "/manifest")))
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(define (switch-link)
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;; Atomically switch PROFILE to the previous profile.
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(format #t (_ "switching from generation ~a to ~a~%")
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number previous-number)
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(switch-symlinks profile previous-profile))
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(cond ((not (file-exists? profile)) ; invalid profile
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(format (current-error-port)
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(_ "error: profile `~a' does not exist~%")
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profile))
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((zero? number) ; empty profile
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(format (current-error-port)
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(_ "nothing to do: already at the empty profile~%")))
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((or (zero? previous-number) ; going to emptiness
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(not (file-exists? previous-profile)))
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(let*-values (((drv-path drv)
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(profile-derivation (%store) '()))
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((prof)
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(derivation-output-path
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(assoc-ref (derivation-outputs drv) "out"))))
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(when (not (build-derivations (%store) (list drv-path)))
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(leave (_ "failed to build the empty profile~%")))
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(switch-symlinks previous-profile prof)
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(switch-link)))
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(else (switch-link))))) ; anything else
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(define (find-packages-by-description rx)
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"Search in SYNOPSIS and DESCRIPTION using RX. Return a list of
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matching packages."
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(define (same-location? p1 p2)
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;; Compare locations of two packages.
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(equal? (package-location p1) (package-location p2)))
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(delete-duplicates
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(sort
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(fold-packages (lambda (package result)
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(define matches?
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(cut regexp-exec rx <>))
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(if (or (and=> (package-synopsis package)
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(compose matches? gettext))
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(and=> (package-description package)
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(compose matches? gettext)))
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(cons package result)
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result))
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'())
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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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same-location?))
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(define (input->name+path input)
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"Convert the name/package/sub-drv tuple INPUT to a name/store-path tuple."
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(let loop ((input input))
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(match input
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((name package)
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(loop `(,name ,package "out")))
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((name package sub-drv)
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(let*-values (((_ drv)
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(package-derivation (%store) package))
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((out)
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(derivation-output-path
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(assoc-ref (derivation-outputs drv) sub-drv))))
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`(,name ,out))))))
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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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(display (_ "
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--roll-back roll back to the previous generation"))
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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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-s, --search=REGEXP search in synopsis and description using REGEXP"))
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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 '("roll-back") #f #f
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(lambda (opt name arg result)
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(alist-cons 'roll-back? #t 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 '(#\s "search") #t #f
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(lambda (opt name arg result)
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(cons `(query search ,(or arg ""))
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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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(leave (_ "~A: extraneous argument~%") arg))
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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
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(%store) d)))
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drv))
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(req* (delete-duplicates
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(append (remove (compose (cute 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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(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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(leave (_ "~a: error: package `~a' lacks output `~a'~%")
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(location->string (package-location p))
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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 "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 (ensure-output p sub-drv)
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(package-transitive-propagated-inputs 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 (ensure-output p sub-drv)
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(package-transitive-propagated-inputs p)))
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(()
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(leave (_ "~a: package not found~%") request)))))
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(define (ensure-default-profile)
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;; Ensure the default profile symlink and directory exist.
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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 (false-if-exception
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(lstat %user-environment-directory))))
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(symlink %current-profile %user-environment-directory))
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;; Attempt to create /…/profiles/per-user/$USER if needed.
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(unless (directory-exists? %profile-directory)
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(catch 'system-error
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(lambda ()
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(mkdir-p %profile-directory))
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(lambda args
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;; Often, we cannot create %PROFILE-DIRECTORY because its
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;; parent directory is root-owned and we're running
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;; unprivileged.
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(format (current-error-port)
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(_ "error: while creating directory `~a': ~a~%")
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%profile-directory
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(strerror (system-error-errno args)))
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(format (current-error-port)
|
||
(_ "Please create the `~a' directory, with you as the owner.~%")
|
||
%profile-directory)
|
||
(exit 1)))))
|
||
|
||
(define (process-actions opts)
|
||
;; Process any install/remove/upgrade action from OPTS.
|
||
|
||
(define dry-run? (assoc-ref opts 'dry-run?))
|
||
(define verbose? (assoc-ref opts 'verbose?))
|
||
(define profile (assoc-ref opts 'profile))
|
||
|
||
(define (canonicalize-deps deps)
|
||
;; Remove duplicate entries from DEPS, a list of propagated inputs,
|
||
;; where each input is a name/path tuple.
|
||
(define (same? d1 d2)
|
||
(match d1
|
||
((_ path1)
|
||
(match d2
|
||
((_ path2)
|
||
(string=? path1 path2))))))
|
||
|
||
(delete-duplicates (map input->name+path deps) same?))
|
||
|
||
;; First roll back if asked to.
|
||
(if (and (assoc-ref opts 'roll-back?) (not dry-run?))
|
||
(begin
|
||
(roll-back profile)
|
||
(process-actions (alist-delete 'roll-back? opts)))
|
||
(let* ((install (filter-map (match-lambda
|
||
(('install . (? store-path?))
|
||
#f)
|
||
(('install . package)
|
||
(find-package package))
|
||
(_ #f))
|
||
opts))
|
||
(drv (filter-map (match-lambda
|
||
((name version sub-drv
|
||
(? package? package)
|
||
(deps ...))
|
||
(package-derivation (%store) package))
|
||
(_ #f))
|
||
install))
|
||
(install* (append
|
||
(filter-map (match-lambda
|
||
(('install . (? store-path? path))
|
||
(let-values (((name version)
|
||
(package-name->name+version
|
||
(store-path-package-name
|
||
path))))
|
||
`(,name ,version #f ,path ())))
|
||
(_ #f))
|
||
opts)
|
||
(map (lambda (tuple drv)
|
||
(match tuple
|
||
((name version sub-drv _ (deps ...))
|
||
(let ((output-path
|
||
(derivation-path->output-path
|
||
drv sub-drv)))
|
||
`(,name ,version ,sub-drv ,output-path
|
||
,(canonicalize-deps deps))))))
|
||
install drv)))
|
||
(remove (filter-map (match-lambda
|
||
(('remove . package)
|
||
package)
|
||
(_ #f))
|
||
opts))
|
||
(packages (append install*
|
||
(fold (lambda (package result)
|
||
(match package
|
||
((name _ ...)
|
||
(alist-delete name result))))
|
||
(fold alist-delete
|
||
(manifest-packages
|
||
(profile-manifest profile))
|
||
remove)
|
||
install*))))
|
||
|
||
(when (equal? profile %current-profile)
|
||
(ensure-default-profile))
|
||
|
||
(show-what-to-build drv dry-run?)
|
||
|
||
(or dry-run?
|
||
(and (build-derivations (%store) drv)
|
||
(let* ((prof-drv (profile-derivation (%store) packages))
|
||
(prof (derivation-path->output-path prof-drv))
|
||
(old-drv (profile-derivation
|
||
(%store) (manifest-packages
|
||
(profile-manifest profile))))
|
||
(old-prof (derivation-path->output-path old-drv))
|
||
(number (profile-number profile))
|
||
|
||
;; Always use NUMBER + 1 for the new profile,
|
||
;; possibly overwriting a "previous future
|
||
;; generation".
|
||
(name (format #f "~a-~a-link"
|
||
profile (+ 1 number))))
|
||
(if (string=? old-prof prof)
|
||
(when (or (pair? install) (pair? remove))
|
||
(format (current-error-port)
|
||
(_ "nothing to be done~%")))
|
||
(and (parameterize ((current-build-output-port
|
||
;; Output something when Guile
|
||
;; needs to be built.
|
||
(if (or verbose? (guile-missing?))
|
||
(current-error-port)
|
||
(%make-void-port "w"))))
|
||
(build-derivations (%store) (list prof-drv)))
|
||
(begin
|
||
(switch-symlinks name prof)
|
||
(switch-symlinks profile name))))))))))
|
||
|
||
(define (process-query opts)
|
||
;; Process any query specified by OPTS. Return #t when a query was
|
||
;; actually processed, #f otherwise.
|
||
(let ((profile (assoc-ref opts 'profile)))
|
||
(match (assoc-ref opts 'query)
|
||
(('list-installed regexp)
|
||
(let* ((regexp (and regexp (make-regexp regexp)))
|
||
(manifest (profile-manifest profile))
|
||
(installed (manifest-packages manifest)))
|
||
(for-each (match-lambda
|
||
((name version output path _)
|
||
(when (or (not regexp)
|
||
(regexp-exec regexp name))
|
||
(format #t "~a\t~a\t~a\t~a~%"
|
||
name (or version "?") output path))))
|
||
installed)
|
||
#t))
|
||
|
||
(('list-available regexp)
|
||
(let* ((regexp (and regexp (make-regexp regexp)))
|
||
(available (fold-packages
|
||
(lambda (p r)
|
||
(let ((n (package-name p)))
|
||
(if regexp
|
||
(if (regexp-exec regexp n)
|
||
(cons p r)
|
||
r)
|
||
(cons p r))))
|
||
'())))
|
||
(for-each (lambda (p)
|
||
(format #t "~a\t~a\t~a\t~a~%"
|
||
(package-name p)
|
||
(package-version p)
|
||
(string-join (package-outputs p) ",")
|
||
(location->string (package-location p))))
|
||
(sort available
|
||
(lambda (p1 p2)
|
||
(string<? (package-name p1)
|
||
(package-name p2)))))
|
||
#t))
|
||
|
||
(('search regexp)
|
||
(let ((regexp (make-regexp regexp regexp/icase)))
|
||
(for-each (cute package->recutils <> (current-output-port))
|
||
(find-packages-by-description regexp))
|
||
#t))
|
||
(_ #f))))
|
||
|
||
(install-locale)
|
||
(textdomain "guix")
|
||
(setvbuf (current-output-port) _IOLBF)
|
||
(setvbuf (current-error-port) _IOLBF)
|
||
|
||
(let ((opts (parse-options)))
|
||
(or (process-query opts)
|
||
(parameterize ((%store (open-connection)))
|
||
(with-error-handling
|
||
(parameterize ((%guile-for-build
|
||
(package-derivation (%store)
|
||
(if (assoc-ref opts 'bootstrap?)
|
||
%bootstrap-guile
|
||
guile-final))))
|
||
(process-actions opts)))))))
|