961b95c985
* guix/scripts/pull.scm (display-channel, channel=?) (display-channel-news, display-news): New procedures. (process-query): Call 'display-news' instead of 'display-profile-news'.
709 lines
28 KiB
Scheme
709 lines
28 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
||
;;; Copyright © 2013, 2014, 2015, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
|
||
;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
|
||
;;;
|
||
;;; This file is part of GNU Guix.
|
||
;;;
|
||
;;; GNU Guix is free software; you can redistribute it and/or modify it
|
||
;;; under the terms of the GNU General Public License as published by
|
||
;;; the Free Software Foundation; either version 3 of the License, or (at
|
||
;;; your option) any later version.
|
||
;;;
|
||
;;; GNU Guix is distributed in the hope that it will be useful, but
|
||
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
;;; GNU General Public License for more details.
|
||
;;;
|
||
;;; You should have received a copy of the GNU General Public License
|
||
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
|
||
|
||
(define-module (guix scripts pull)
|
||
#:use-module (guix ui)
|
||
#:use-module (guix utils)
|
||
#:use-module ((guix status) #:select (with-status-verbosity))
|
||
#:use-module (guix scripts)
|
||
#:use-module (guix store)
|
||
#:use-module (guix config)
|
||
#:use-module (guix packages)
|
||
#:use-module (guix derivations)
|
||
#:use-module (guix profiles)
|
||
#:use-module (guix gexp)
|
||
#:use-module (guix grafts)
|
||
#:use-module (guix memoization)
|
||
#:use-module (guix monads)
|
||
#:use-module (guix channels)
|
||
#:autoload (guix inferior) (open-inferior)
|
||
#:use-module (guix scripts build)
|
||
#:autoload (guix build utils) (which)
|
||
#:use-module (guix git)
|
||
#:use-module (git)
|
||
#:use-module (gnu packages)
|
||
#:use-module ((guix scripts package) #:select (build-and-use-profile
|
||
delete-matching-generations))
|
||
#:use-module ((gnu packages base) #:select (canonical-package))
|
||
#:use-module (gnu packages guile)
|
||
#:use-module ((gnu packages bootstrap)
|
||
#:select (%bootstrap-guile))
|
||
#:use-module ((gnu packages certs) #:select (le-certs))
|
||
#:use-module (srfi srfi-1)
|
||
#:use-module (srfi srfi-11)
|
||
#:use-module (srfi srfi-26)
|
||
#:use-module (srfi srfi-34)
|
||
#:use-module (srfi srfi-35)
|
||
#:use-module (srfi srfi-37)
|
||
#:use-module (ice-9 match)
|
||
#:use-module (ice-9 vlist)
|
||
#:use-module (ice-9 format)
|
||
#:export (display-profile-content
|
||
guix-pull))
|
||
|
||
|
||
;;;
|
||
;;; Command-line options.
|
||
;;;
|
||
|
||
(define %default-options
|
||
;; Alist of default option values.
|
||
`((system . ,(%current-system))
|
||
(substitutes? . #t)
|
||
(build-hook? . #t)
|
||
(print-build-trace? . #t)
|
||
(print-extended-build-trace? . #t)
|
||
(multiplexed-build-output? . #t)
|
||
(graft? . #t)
|
||
(debug . 0)
|
||
(verbosity . 1)))
|
||
|
||
(define (show-help)
|
||
(display (G_ "Usage: guix pull [OPTION]...
|
||
Download and deploy the latest version of Guix.\n"))
|
||
(display (G_ "
|
||
--verbose produce verbose output"))
|
||
(display (G_ "
|
||
-C, --channels=FILE deploy the channels defined in FILE"))
|
||
(display (G_ "
|
||
--url=URL download from the Git repository at URL"))
|
||
(display (G_ "
|
||
--commit=COMMIT download the specified COMMIT"))
|
||
(display (G_ "
|
||
--branch=BRANCH download the tip of the specified BRANCH"))
|
||
(display (G_ "
|
||
-N, --news display news compared to the previous generation"))
|
||
(display (G_ "
|
||
-l, --list-generations[=PATTERN]
|
||
list generations matching PATTERN"))
|
||
(display (G_ "
|
||
--roll-back roll back to the previous generation"))
|
||
(display (G_ "
|
||
-d, --delete-generations[=PATTERN]
|
||
delete generations matching PATTERN"))
|
||
(display (G_ "
|
||
-S, --switch-generation=PATTERN
|
||
switch to a generation matching PATTERN"))
|
||
(display (G_ "
|
||
-p, --profile=PROFILE use PROFILE instead of ~/.config/guix/current"))
|
||
(display (G_ "
|
||
-v, --verbosity=LEVEL use the given verbosity LEVEL"))
|
||
(display (G_ "
|
||
-s, --system=SYSTEM attempt to build for SYSTEM--e.g., \"i686-linux\""))
|
||
(display (G_ "
|
||
--bootstrap use the bootstrap Guile to build the new Guix"))
|
||
(newline)
|
||
(show-build-options-help)
|
||
(display (G_ "
|
||
-h, --help display this help and exit"))
|
||
(display (G_ "
|
||
-V, --version display version information and exit"))
|
||
(newline)
|
||
(show-bug-report-information))
|
||
|
||
(define %options
|
||
;; Specifications of the command-line options.
|
||
(cons* (option '("verbose") #f #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'verbose? #t result)))
|
||
(option '(#\C "channels") #t #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'channel-file arg result)))
|
||
(option '(#\l "list-generations") #f #t
|
||
(lambda (opt name arg result)
|
||
(cons `(query list-generations ,arg)
|
||
result)))
|
||
(option '("roll-back") #f #f
|
||
(lambda (opt name arg result)
|
||
(cons '(generation roll-back)
|
||
result)))
|
||
(option '(#\S "switch-generation") #t #f
|
||
(lambda (opt name arg result)
|
||
(cons `(generation switch ,arg)
|
||
result)))
|
||
(option '(#\d "delete-generations") #f #t
|
||
(lambda (opt name arg result)
|
||
(cons `(generation delete ,arg)
|
||
result)))
|
||
(option '(#\N "news") #f #f
|
||
(lambda (opt name arg result)
|
||
(cons '(query display-news) result)))
|
||
(option '("url") #t #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'repository-url arg
|
||
(alist-delete 'repository-url result))))
|
||
(option '("commit") #t #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'ref `(commit . ,arg) result)))
|
||
(option '("branch") #t #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'ref `(branch . ,arg) result)))
|
||
(option '(#\p "profile") #t #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'profile (canonicalize-profile arg)
|
||
result)))
|
||
(option '(#\s "system") #t #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'system arg
|
||
(alist-delete 'system result eq?))))
|
||
(option '(#\n "dry-run") #f #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'dry-run? #t (alist-cons 'graft? #f result))))
|
||
(option '(#\v "verbosity") #t #f
|
||
(lambda (opt name arg result)
|
||
(let ((level (string->number* arg)))
|
||
(alist-cons 'verbosity level
|
||
(alist-delete 'verbosity result)))))
|
||
(option '("bootstrap") #f #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'bootstrap? #t result)))
|
||
|
||
(option '(#\h "help") #f #f
|
||
(lambda args
|
||
(show-help)
|
||
(exit 0)))
|
||
(option '(#\V "version") #f #f
|
||
(lambda args
|
||
(show-version-and-exit "guix pull")))
|
||
|
||
%standard-build-options))
|
||
|
||
(define* (display-profile-news profile #:key concise?
|
||
current-is-newer?)
|
||
"Display what's up in PROFILE--new packages, and all that. If
|
||
CURRENT-IS-NEWER? is true, assume that the current process represents the
|
||
newest generation of PROFILE."
|
||
(match (memv (generation-number profile)
|
||
(reverse (profile-generations profile)))
|
||
((current previous _ ...)
|
||
(let ((these (fold-available-packages
|
||
(lambda* (name version result
|
||
#:key supported? deprecated?
|
||
#:allow-other-keys)
|
||
(if (and supported? (not deprecated?))
|
||
(alist-cons name version result)
|
||
result))
|
||
'()))
|
||
(those (profile-package-alist
|
||
(generation-file-name profile
|
||
(if current-is-newer?
|
||
previous
|
||
current)))))
|
||
(let ((old (if current-is-newer? those these))
|
||
(new (if current-is-newer? these those)))
|
||
(display-new/upgraded-packages old new
|
||
#:concise? concise?
|
||
#:heading
|
||
(G_ "New in this revision:\n")))))
|
||
(_ #t)))
|
||
|
||
(define (display-channel channel)
|
||
"Display information about CHANNEL."
|
||
(format (current-error-port)
|
||
;; TRANSLATORS: This describes a "channel"; the first placeholder is
|
||
;; the channel name (e.g., "guix") and the second placeholder is its
|
||
;; URL.
|
||
(G_ " ~a at ~a~%")
|
||
(channel-name channel)
|
||
(channel-url channel)))
|
||
|
||
(define (channel=? channel1 channel2)
|
||
"Return true if CHANNEL1 and CHANNEL2 are the same for all practical
|
||
purposes."
|
||
;; Assume that the URL matters less than the name.
|
||
(eq? (channel-name channel1) (channel-name channel2)))
|
||
|
||
(define (display-channel-news profile)
|
||
"Display news about the channels of PROFILE "
|
||
(define previous
|
||
(and=> (relative-generation profile -1)
|
||
(cut generation-file-name profile <>)))
|
||
|
||
(when previous
|
||
(let ((old-channels (profile-channels previous))
|
||
(new-channels (profile-channels profile)))
|
||
(and (pair? old-channels) (pair? new-channels)
|
||
(begin
|
||
(match (lset-difference channel=? new-channels old-channels)
|
||
(()
|
||
#t)
|
||
(new
|
||
(let ((count (length new)))
|
||
(format (current-error-port)
|
||
(N_ " ~*One new channel:~%"
|
||
" ~a new channels:~%" count)
|
||
count)
|
||
(for-each display-channel new))))
|
||
(match (lset-difference channel=? old-channels new-channels)
|
||
(()
|
||
#t)
|
||
(removed
|
||
(let ((count (length removed)))
|
||
(format (current-error-port)
|
||
(N_ " ~*One channel removed:~%"
|
||
" ~a channels removed:~%" count)
|
||
count)
|
||
(for-each display-channel removed)))))))))
|
||
|
||
(define (display-news profile)
|
||
;; Display profile news, with the understanding that this process represents
|
||
;; the newest generation.
|
||
(display-profile-news profile
|
||
#:current-is-newer? #t)
|
||
|
||
(display-channel-news profile))
|
||
|
||
(define* (build-and-install instances profile
|
||
#:key use-substitutes? verbose? dry-run?)
|
||
"Build the tool from SOURCE, and install it in PROFILE. When DRY-RUN? is
|
||
true, display what would be built without actually building it."
|
||
(define update-profile
|
||
(store-lift build-and-use-profile))
|
||
|
||
(define guix-command
|
||
;; The 'guix' command before we've built the new profile.
|
||
(which "guix"))
|
||
|
||
(mlet %store-monad ((manifest (channel-instances->manifest instances)))
|
||
(mbegin %store-monad
|
||
(update-profile profile manifest
|
||
#:use-substitutes? use-substitutes?
|
||
#:hooks %channel-profile-hooks
|
||
#:dry-run? dry-run?)
|
||
(munless dry-run?
|
||
(return (newline))
|
||
(return (display-profile-news profile #:concise? #t))
|
||
(if guix-command
|
||
(let ((new (map (cut string-append <> "/bin/guix")
|
||
(list (user-friendly-profile profile)
|
||
profile))))
|
||
;; Is the 'guix' command previously in $PATH the same as the new
|
||
;; one? If the answer is "no", then suggest 'hash guix'.
|
||
(unless (member guix-command new)
|
||
(display-hint (format #f (G_ "After setting @code{PATH}, run
|
||
@command{hash guix} to make sure your shell refers to @file{~a}.")
|
||
(first new))))
|
||
(return #f))
|
||
(return #f))))))
|
||
|
||
(define (honor-lets-encrypt-certificates! store)
|
||
"Tell Guile-Git to use the Let's Encrypt certificates."
|
||
(let* ((drv (package-derivation store le-certs))
|
||
(certs (string-append (derivation->output-path drv)
|
||
"/etc/ssl/certs")))
|
||
(build-derivations store (list drv))
|
||
(set-tls-certificate-locations! certs)))
|
||
|
||
(define (honor-x509-certificates store)
|
||
"Use the right X.509 certificates for Git checkouts over HTTPS."
|
||
(unless (honor-system-x509-certificates!)
|
||
(honor-lets-encrypt-certificates! store)))
|
||
|
||
(define (report-git-error error)
|
||
"Report the given Guile-Git error."
|
||
;; Prior to Guile-Git commit b6b2760c2fd6dfaa5c0fedb43eeaff06166b3134,
|
||
;; errors would be represented by integers.
|
||
(match error
|
||
((? integer? error) ;old Guile-Git
|
||
(leave (G_ "Git error ~a~%") error))
|
||
((? git-error? error) ;new Guile-Git
|
||
(leave (G_ "Git error: ~a~%") (git-error-message error)))))
|
||
|
||
(define-syntax-rule (with-git-error-handling body ...)
|
||
(catch 'git-error
|
||
(lambda ()
|
||
body ...)
|
||
(lambda (key err)
|
||
(report-git-error err))))
|
||
|
||
|
||
;;;
|
||
;;; Profile.
|
||
;;;
|
||
|
||
(define %current-profile
|
||
;; The "real" profile under /var/guix.
|
||
(string-append %profile-directory "/current-guix"))
|
||
|
||
(define %user-profile-directory
|
||
;; The user-friendly name of %CURRENT-PROFILE.
|
||
(string-append (config-directory #:ensure? #f) "/current"))
|
||
|
||
(define (migrate-generations profile directory)
|
||
"Migrate the generations of PROFILE to DIRECTORY."
|
||
(format (current-error-port)
|
||
(G_ "Migrating profile generations to '~a'...~%")
|
||
%profile-directory)
|
||
(let ((current (generation-number profile)))
|
||
(for-each (lambda (generation)
|
||
(let ((source (generation-file-name profile generation))
|
||
(target (string-append directory "/current-guix-"
|
||
(number->string generation)
|
||
"-link")))
|
||
;; Note: Don't use 'rename-file' as SOURCE and TARGET might
|
||
;; live on different file systems.
|
||
(symlink (readlink source) target)
|
||
(delete-file source)))
|
||
(profile-generations profile))
|
||
(symlink (string-append "current-guix-"
|
||
(number->string current) "-link")
|
||
(string-append directory "/current-guix"))))
|
||
|
||
(define (ensure-default-profile)
|
||
(ensure-profile-directory)
|
||
|
||
;; In 0.15.0+ we'd create ~/.config/guix/current-[0-9]*-link symlinks. Move
|
||
;; them to %PROFILE-DIRECTORY.
|
||
;;
|
||
;; XXX: Ubuntu's 'sudo' preserves $HOME by default, and thus the second
|
||
;; condition below is always false when one runs "sudo guix pull". As a
|
||
;; workaround, skip this code when $SUDO_USER is set. See
|
||
;; <https://bugs.gnu.org/36785>.
|
||
(unless (or (getenv "SUDO_USER")
|
||
(string=? %profile-directory
|
||
(dirname
|
||
(canonicalize-profile %user-profile-directory))))
|
||
(migrate-generations %user-profile-directory %profile-directory))
|
||
|
||
;; Make sure ~/.config/guix/current points to /var/guix/profiles/….
|
||
(let ((link %user-profile-directory))
|
||
(unless (equal? (false-if-exception (readlink link))
|
||
%current-profile)
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(false-if-exception (delete-file link))
|
||
(symlink %current-profile link))
|
||
(lambda args
|
||
(leave (G_ "while creating symlink '~a': ~a~%")
|
||
link (strerror (system-error-errno args))))))))
|
||
|
||
|
||
;;;
|
||
;;; Queries.
|
||
;;;
|
||
|
||
(define (display-profile-content profile number)
|
||
"Display the packages in PROFILE, generation NUMBER, in a human-readable
|
||
way and displaying details about the channel's source code."
|
||
(display-generation profile number)
|
||
(for-each (lambda (entry)
|
||
(format #t " ~a ~a~%"
|
||
(manifest-entry-name entry)
|
||
(manifest-entry-version entry))
|
||
(match (assq 'source (manifest-entry-properties entry))
|
||
(('source ('repository ('version 0)
|
||
('url url)
|
||
('branch branch)
|
||
('commit commit)
|
||
_ ...))
|
||
(format #t (G_ " repository URL: ~a~%") url)
|
||
(when branch
|
||
(format #t (G_ " branch: ~a~%") branch))
|
||
(format #t (G_ " commit: ~a~%") commit))
|
||
(_ #f)))
|
||
|
||
;; Show most recently installed packages last.
|
||
(reverse
|
||
(manifest-entries
|
||
(profile-manifest (if (zero? number)
|
||
profile
|
||
(generation-file-name profile number)))))))
|
||
|
||
(define (indented-string str indent)
|
||
"Return STR with each newline preceded by IDENT spaces."
|
||
(define indent-string
|
||
(make-list indent #\space))
|
||
|
||
(list->string
|
||
(string-fold-right (lambda (chr result)
|
||
(if (eqv? chr #\newline)
|
||
(cons chr (append indent-string result))
|
||
(cons chr result)))
|
||
'()
|
||
str)))
|
||
|
||
(define profile-package-alist
|
||
(mlambda (profile)
|
||
"Return a name/version alist representing the packages in PROFILE."
|
||
(let* ((inferior (open-inferior profile))
|
||
(packages (inferior-available-packages inferior)))
|
||
(close-inferior inferior)
|
||
packages)))
|
||
|
||
(define (new/upgraded-packages alist1 alist2)
|
||
"Compare ALIST1 and ALIST2, both of which are lists of package name/version
|
||
pairs, and return two values: the list of packages new in ALIST2, and the list
|
||
of packages upgraded in ALIST2."
|
||
(let* ((old (fold (match-lambda*
|
||
(((name . version) table)
|
||
(match (vhash-assoc name table)
|
||
(#f
|
||
(vhash-cons name version table))
|
||
((_ . previous-version)
|
||
(if (version>? version previous-version)
|
||
(vhash-cons name version table)
|
||
table)))))
|
||
vlist-null
|
||
alist1))
|
||
(new (remove (match-lambda
|
||
((name . _)
|
||
(vhash-assoc name old)))
|
||
alist2))
|
||
(upgraded (filter-map (match-lambda
|
||
((name . new-version)
|
||
(match (vhash-assoc name old)
|
||
(#f #f)
|
||
((_ . old-version)
|
||
(and (version>? new-version old-version)
|
||
(string-append name "@"
|
||
new-version))))))
|
||
alist2)))
|
||
(values new upgraded)))
|
||
|
||
(define* (ellipsis #:optional (port (current-output-port)))
|
||
"Return HORIZONTAL ELLIPSIS three dots if PORT's encoding cannot represent
|
||
it."
|
||
(match (port-encoding port)
|
||
("UTF-8" "…")
|
||
(_ "...")))
|
||
|
||
(define* (display-new/upgraded-packages alist1 alist2
|
||
#:key (heading "") concise?)
|
||
"Given the two package name/version alists ALIST1 and ALIST2, display the
|
||
list of new and upgraded packages going from ALIST1 to ALIST2. When ALIST1
|
||
and ALIST2 differ, display HEADING upfront. When CONCISE? is true, do not
|
||
display long package lists that would fill the user's screen."
|
||
(define (pretty str column)
|
||
(indented-string (fill-paragraph str (- (%text-width) 4)
|
||
column)
|
||
4))
|
||
|
||
(define concise/max-item-count
|
||
;; Maximum number of items to display when CONCISE? is true.
|
||
12)
|
||
|
||
(define list->enumeration
|
||
(if concise?
|
||
(lambda* (lst #:optional (max concise/max-item-count))
|
||
(if (> (length lst) max)
|
||
(string-append (string-join (take lst max) ", ")
|
||
", " (ellipsis))
|
||
(string-join lst ", ")))
|
||
(cut string-join <> ", ")))
|
||
|
||
(let-values (((new upgraded) (new/upgraded-packages alist1 alist2)))
|
||
(define new-count (length new))
|
||
(define upgraded-count (length upgraded))
|
||
|
||
(unless (and (null? new) (null? upgraded))
|
||
(display heading))
|
||
|
||
(match new-count
|
||
(0 #t)
|
||
(count
|
||
(format #t (N_ " ~h new package: ~a~%"
|
||
" ~h new packages: ~a~%" count)
|
||
count
|
||
(pretty (list->enumeration (sort (map first new) string<?))
|
||
30))))
|
||
(match upgraded-count
|
||
(0 #t)
|
||
(count
|
||
(format #t (N_ " ~h package upgraded: ~a~%"
|
||
" ~h packages upgraded: ~a~%" count)
|
||
count
|
||
(pretty (list->enumeration (sort upgraded string<?))
|
||
35))))
|
||
|
||
(when (and concise?
|
||
(or (> new-count concise/max-item-count)
|
||
(> upgraded-count concise/max-item-count)))
|
||
(display-hint (G_ "Run @command{guix pull --news} to view the complete
|
||
list of package changes.")))))
|
||
|
||
(define (display-profile-content-diff profile gen1 gen2)
|
||
"Display the changes in PROFILE GEN2 compared to generation GEN1."
|
||
(define (package-alist generation)
|
||
(profile-package-alist (generation-file-name profile generation)))
|
||
|
||
(display-profile-content profile gen2)
|
||
(display-new/upgraded-packages (package-alist gen1)
|
||
(package-alist gen2)))
|
||
|
||
(define (process-query opts profile)
|
||
"Process any query on PROFILE specified by OPTS."
|
||
(match (assoc-ref opts 'query)
|
||
(('list-generations pattern)
|
||
(define (list-generations profile numbers)
|
||
(match numbers
|
||
((first rest ...)
|
||
(display-profile-content profile first)
|
||
(let loop ((numbers numbers))
|
||
(match numbers
|
||
((first second rest ...)
|
||
(display-profile-content-diff profile
|
||
first second)
|
||
(loop (cons second rest)))
|
||
((_) #t)
|
||
(() #t))))))
|
||
|
||
(leave-on-EPIPE
|
||
(cond ((not (file-exists? profile)) ; XXX: race condition
|
||
(raise (condition (&profile-not-found-error
|
||
(profile profile)))))
|
||
((not pattern)
|
||
(list-generations profile (profile-generations profile)))
|
||
((matching-generations pattern profile)
|
||
=>
|
||
(match-lambda
|
||
(()
|
||
(exit 1))
|
||
((numbers ...)
|
||
(list-generations profile numbers)))))))
|
||
(('display-news)
|
||
(display-news profile))))
|
||
|
||
(define (process-generation-change opts profile)
|
||
"Process a request to change the current generation (roll-back, switch, delete)."
|
||
(unless (assoc-ref opts 'dry-run?)
|
||
(match (assoc-ref opts 'generation)
|
||
(('roll-back)
|
||
(with-store store
|
||
(roll-back* store profile)))
|
||
(('switch pattern)
|
||
(let ((number (relative-generation-spec->number profile pattern)))
|
||
(if number
|
||
(switch-to-generation* profile number)
|
||
(leave (G_ "cannot switch to generation '~a'~%") pattern))))
|
||
(('delete pattern)
|
||
(with-store store
|
||
(delete-matching-generations store profile pattern))))))
|
||
|
||
(define (channel-list opts)
|
||
"Return the list of channels to use. If OPTS specify a channel file,
|
||
channels are read from there; otherwise, if ~/.config/guix/channels.scm
|
||
exists, read it; otherwise %DEFAULT-CHANNELS is used. Apply channel
|
||
transformations specified in OPTS (resulting from '--url', '--commit', or
|
||
'--branch'), if any."
|
||
(define file
|
||
(assoc-ref opts 'channel-file))
|
||
|
||
(define default-file
|
||
(string-append (config-directory) "/channels.scm"))
|
||
|
||
(define (load-channels file)
|
||
(let ((result (load* file (make-user-module '((guix channels))))))
|
||
(if (and (list? result) (every channel? result))
|
||
result
|
||
(leave (G_ "'~a' did not return a list of channels~%") file))))
|
||
|
||
(define channels
|
||
(cond (file
|
||
(load-channels file))
|
||
((file-exists? default-file)
|
||
(load-channels default-file))
|
||
(else
|
||
%default-channels)))
|
||
|
||
(define (environment-variable)
|
||
(match (getenv "GUIX_PULL_URL")
|
||
(#f #f)
|
||
(url
|
||
(warning (G_ "The 'GUIX_PULL_URL' environment variable is deprecated.
|
||
Use '~/.config/guix/channels.scm' instead."))
|
||
url)))
|
||
|
||
(let ((ref (assoc-ref opts 'ref))
|
||
(url (or (assoc-ref opts 'repository-url)
|
||
(environment-variable))))
|
||
(if (or ref url)
|
||
(match (find guix-channel? channels)
|
||
((? channel? guix)
|
||
;; Apply '--url', '--commit', and '--branch' to the 'guix' channel.
|
||
(let ((url (or url (channel-url guix))))
|
||
(cons (match ref
|
||
(('commit . commit)
|
||
(channel (inherit guix)
|
||
(url url) (commit commit) (branch #f)))
|
||
(('branch . branch)
|
||
(channel (inherit guix)
|
||
(url url) (commit #f) (branch branch)))
|
||
(#f
|
||
(channel (inherit guix) (url url))))
|
||
(remove guix-channel? channels))))
|
||
(#f ;no 'guix' channel, failure will ensue
|
||
channels))
|
||
channels)))
|
||
|
||
|
||
(define (guix-pull . args)
|
||
(with-error-handling
|
||
(with-git-error-handling
|
||
(let* ((opts (parse-command-line args %options
|
||
(list %default-options)))
|
||
(cache (string-append (cache-directory) "/pull"))
|
||
(channels (channel-list opts))
|
||
(profile (or (assoc-ref opts 'profile) %current-profile)))
|
||
(cond ((assoc-ref opts 'query)
|
||
(process-query opts profile))
|
||
((assoc-ref opts 'generation)
|
||
(process-generation-change opts profile))
|
||
(else
|
||
(with-store store
|
||
(ensure-default-profile)
|
||
(with-status-verbosity (assoc-ref opts 'verbosity)
|
||
(parameterize ((%current-system (assoc-ref opts 'system))
|
||
(%graft? (assoc-ref opts 'graft?))
|
||
(%repository-cache-directory cache))
|
||
(set-build-options-from-command-line store opts)
|
||
(honor-x509-certificates store)
|
||
|
||
(let ((instances (latest-channel-instances store channels)))
|
||
(format (current-error-port)
|
||
(N_ "Building from this channel:~%"
|
||
"Building from these channels:~%"
|
||
(length instances)))
|
||
(for-each (lambda (instance)
|
||
(let ((channel
|
||
(channel-instance-channel instance)))
|
||
(format (current-error-port)
|
||
" ~10a~a\t~a~%"
|
||
(channel-name channel)
|
||
(channel-url channel)
|
||
(string-take
|
||
(channel-instance-commit instance)
|
||
7))))
|
||
instances)
|
||
(parameterize ((%guile-for-build
|
||
(package-derivation
|
||
store
|
||
(if (assoc-ref opts 'bootstrap?)
|
||
%bootstrap-guile
|
||
(canonical-package guile-2.2)))))
|
||
(run-with-store store
|
||
(build-and-install instances profile
|
||
#:dry-run?
|
||
(assoc-ref opts 'dry-run?)
|
||
#:use-substitutes?
|
||
(assoc-ref opts 'substitutes?)
|
||
#:verbose?
|
||
(assoc-ref opts 'verbose?))))))))))))))
|
||
|
||
;;; pull.scm ends here
|