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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017, 2018, 2019 Ludovic Courtès <>
;;; 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
;;; 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 <>.
(define-module (guix self)
#:use-module (guix config)
#:use-module (guix i18n)
#:use-module (guix modules)
#:use-module (guix gexp)
#:use-module (guix store)
#:use-module (guix monads)
#:use-module (guix discovery)
#:use-module (guix packages)
#:use-module (guix sets)
#:use-module (guix modules)
#:use-module ((guix build utils) #:select (find-files))
#:use-module ((guix build compile) #:select (%lightweight-optimizations))
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-9)
#:use-module (srfi srfi-35)
#:use-module (ice-9 match)
#:export (make-config.scm
whole-package ;for internal use in 'guix pull'
;;; Dependency handling.
(define specification->package
;; Use our own variant of that procedure because that of (gnu packages)
;; would traverse all the .scm files, which is wasteful.
(let ((ref (lambda (module variable)
(module-ref (resolve-interface module) variable))))
("guile" (ref '(gnu packages commencement) 'guile-final))
("guile-json" (ref '(gnu packages guile) 'guile-json))
("guile-ssh" (ref '(gnu packages ssh) 'guile-ssh))
("guile-git" (ref '(gnu packages guile) 'guile-git))
("guile-sqlite3" (ref '(gnu packages guile) 'guile-sqlite3))
("guile-gcrypt" (ref '(gnu packages gnupg) 'guile-gcrypt))
("gnutls" (ref '(gnu packages tls) 'gnutls))
("zlib" (ref '(gnu packages compression) 'zlib))
("gzip" (ref '(gnu packages compression) 'gzip))
("bzip2" (ref '(gnu packages compression) 'bzip2))
("xz" (ref '(gnu packages compression) 'xz))
(_ #f)))) ;no such package
;;; Derivations.
;; Node in a DAG of build tasks. Each node maps to a derivation, but it's
;; easier to express things this way.
(define-record-type <node>
(node name modules source dependencies compiled)
(name node-name) ;string
(modules node-modules) ;list of module names
(source node-source) ;list of source files
(dependencies node-dependencies) ;list of nodes
(compiled node-compiled)) ;node -> lowerable object
;; File mappings are essentially an alist as passed to 'imported-files'.
(define-record-type <file-mapping>
(file-mapping name alist)
(name file-mapping-name)
(alist file-mapping-alist))
(define-gexp-compiler (file-mapping-compiler (mapping <file-mapping>)
system target)
;; Here we use 'imported-files', which can arrange to directly import all
;; the files instead of creating a derivation, when possible.
(imported-files (map (match-lambda
((destination (? local-file? file))
(cons destination
(local-file-absolute-file-name file)))
((destination source)
(cons destination source))) ;silliness
(file-mapping-alist mapping))
#:name (file-mapping-name mapping)
#:system system))
(define (node-source+compiled node)
"Return a \"bundle\" containing both the source code and object files for
NODE's modules, under their FHS directories: share/guile/site and lib/guile."
(define build
(with-imported-modules '((guix build utils))
(use-modules (guix build utils))
(define source
(string-append #$output "/share/guile/site/"
(define object
(string-append #$output "/lib/guile/" (effective-version)
(mkdir-p (dirname source))
(symlink #$(node-source node) source)
(mkdir-p (dirname object))
(symlink #$(node-compiled node) object))))
(computed-file (string-append (node-name node) "-modules")
(define (node-fold proc init nodes)
(let loop ((nodes nodes)
(visited (setq))
(result init))
(match nodes
(() result)
((head tail ...)
(if (set-contains? visited head)
(loop tail visited result)
(loop tail (set-insert head visited)
(proc head result)))))))
(define (node-modules/recursive nodes)
(node-fold (lambda (node modules)
(append (node-modules node) modules))
(define* (closure modules #:optional (except '()))
(source-module-closure modules
(('guix 'config)
((and module
(or ('guix _ ...) ('gnu _ ...)))
(not (member module except)))
(rest #f))))
(define module->import
;; Return a file-name/file-like object pair for the specified module and
;; suitable for 'imported-files'.
((module '=> thing)
(let ((file (module-name->file-name module)))
(list file thing)))
(let ((file (module-name->file-name module)))
(list file
(local-file (search-path %load-path file)))))))
(define* (scheme-node name modules #:optional (dependencies '())
#:key (extra-modules '()) (extra-files '())
(extensions '())
parallel? guile-for-build)
"Return a node that builds the given Scheme MODULES, and depends on
DEPENDENCIES (a list of nodes). EXTRA-MODULES is a list of additional modules
added to the source, and EXTRA-FILES is a list of additional files.
EXTENSIONS is a set of full-blown Guile packages (e.g., 'guile-json') that
must be present in the search path."
(let* ((modules (append extra-modules
(closure modules
(node-modules/recursive dependencies))))
(module-files (map module->import modules))
(source (file-mapping (string-append name "-source")
(append module-files extra-files))))
(node name modules source dependencies
(compiled-modules name source
(map car module-files)
(map node-source dependencies)
(map node-compiled dependencies)
#:extensions extensions
#:parallel? parallel?
#:guile-for-build guile-for-build))))
(define (file-imports directory sub-directory pred)
"List all the files matching PRED under DIRECTORY/SUB-DIRECTORY. Return a
list of file-name/file-like objects suitable as inputs to 'imported-files'."
(map (lambda (file)
(list (string-drop file (+ 1 (string-length directory)))
(local-file file #:recursive? #t)))
(find-files (string-append directory "/" sub-directory) pred)))
(define* (file-append* item file #:key (recursive? #t))
"Return FILE within ITEM, which may be a file name or a file-like object.
When ITEM is a plain file name (a string), simply return a 'local-file'
record with the new file name."
(match item
((? string?)
;; This is the optimal case: we return a new "source". Thus, a
;; derivation that depends on this sub-directory does not depend on ITEM
;; itself.
(local-file (string-append item "/" file)
#:recursive? recursive?))
;; TODO: Add 'local-file?' case.
;; In this case, anything that refers to the result also depends on ITEM,
;; which isn't great.
(file-append item "/" file))))
(define* (locale-data source domain
#:optional (directory domain))
"Return the locale data from 'po/DIRECTORY' in SOURCE, corresponding to
DOMAIN, a gettext domain."
(define gettext
(module-ref (resolve-interface '(gnu packages gettext))
(define build
(with-imported-modules '((guix build utils))
(use-modules (guix build utils)
(srfi srfi-26)
(ice-9 match) (ice-9 ftw))
(define po-directory
#+(file-append* source (string-append "po/" directory)))
(define (compile language)
(let ((gmo (string-append #$output "/" language "/LC_MESSAGES/"
#$domain ".mo")))
(mkdir-p (dirname gmo))
(invoke #+(file-append gettext "/bin/msgfmt")
"-c" "--statistics" "--verbose"
"-o" gmo
(string-append po-directory "/" language ".po"))))
(define (linguas)
;; Return the list of languages. Note: don't read 'LINGUAS'
;; because it contains things like 'en@boldquot' that do not have
;; a corresponding .po file.
(map (cut basename <> ".po")
(scandir po-directory
(cut string-suffix? ".po" <>))))
(for-each compile (linguas)))))
(computed-file (string-append "guix-locale-" domain)
(define (info-manual source)
"Return the Info manual built from SOURCE."
(define texinfo
(module-ref (resolve-interface '(gnu packages texinfo))
(define graphviz
(module-ref (resolve-interface '(gnu packages graphviz))
(define glibc-utf8-locales
(module-ref (resolve-interface '(gnu packages base))
(define documentation
(file-append* source "doc"))
(define examples
(file-append* source "gnu/system/examples"))
(define build
(with-imported-modules '((guix build utils))
(use-modules (guix build utils))
(mkdir #$output)
;; Create 'version.texi'.
;; XXX: Can we use a more meaningful version string yet one that
;; doesn't change at each commit?
(call-with-output-file "version.texi"
(lambda (port)
(let ((version "0.0-git"))
(format port "
@set UPDATED 1 January 1970
@set UPDATED-MONTH January 1970
@set EDITION ~a
@set VERSION ~a\n" version version))))
;; Copy configuration templates that the manual includes.
(for-each (lambda (template)
(copy-file template
(basename template ".tmpl")
(find-files #$examples "\\.tmpl$"))
;; Build graphs.
(mkdir-p (string-append #$output "/images"))
(for-each (lambda (dot-file)
(invoke #+(file-append graphviz "/bin/dot")
"-Tpng" "-Gratio=.9" "-Gnodesep=.005"
"-Granksep=.00005" "-Nfontsize=9"
"-Nheight=.1" "-Nwidth=.1"
"-o" (string-append #$output "/images/"
(basename dot-file ".dot")
(find-files (string-append #$documentation "/images")
;; Copy other PNGs.
(for-each (lambda (png-file)
(install-file png-file
(string-append #$output "/images")))
(find-files (string-append #$documentation "/images")
;; Finally build the manual. Copy it the Texinfo files to $PWD and
;; add a symlink to the 'images' directory so that 'makeinfo' can
;; see those images and produce image references in the Info output.
(copy-recursively #$documentation "."
#:log (%make-void-port "w"))
(delete-file-recursively "images")
(symlink (string-append #$output "/images") "images")
;; Provide UTF-8 locales needed by the 'xspara.c' code in makeinfo.
(setenv "GUIX_LOCPATH"
#+(file-append glibc-utf8-locales "/lib/locale"))
(for-each (lambda (texi)
(unless (string=? "guix.texi" texi)
;; Create 'version-LL.texi'.
(let* ((base (basename texi ".texi"))
(dot (string-index base #\.))
(tag (string-drop base (+ 1 dot))))
(symlink "version.texi"
(string-append "version-" tag ".texi"))))
(invoke #+(file-append texinfo "/bin/makeinfo")
texi "-I" #$documentation
"-I" "."
"-o" (string-append #$output "/"
(basename texi ".texi")
(cons "guix.texi"
(find-files "." "^guix\\.[a-z]{2}\\.texi$")))
;; Compress Info files.
(setenv "PATH"
#+(file-append (specification->package "gzip") "/bin"))
(for-each (lambda (file)
(invoke "gzip" "-9n" file))
(find-files #$output "\\.info(-[0-9]+)?$")))))
(computed-file "guix-manual" build))
(define* (guile-module-union things #:key (name "guix-module-union"))
"Return the union of the subset of THINGS (packages, computed files, etc.)
that provide Guile modules."
(define build
(with-imported-modules '((guix build union))
(use-modules (guix build union))
(define (modules directory)
(string-append directory "/share/guile/site"))
(define (objects directory)
(string-append directory "/lib/guile"))
(union-build #$output
(filter (lambda (directory)
(or (file-exists? (modules directory))
(file-exists? (objects directory))))
#:log-port (%make-void-port "w")))))
(computed-file name build))
(define* (guix-command modules
#:key source (dependencies '())
guile (guile-version (effective-version)))
"Return the 'guix' command such that it adds MODULES and DEPENDENCIES in its
load path."
(define glibc-utf8-locales
(module-ref (resolve-interface '(gnu packages base))
(define module-directory
;; To minimize the number of 'stat' calls needed to locate a module,
;; create the union of all the module directories.
(guile-module-union (cons modules dependencies)))
(program-file "guix-command"
(set! %load-path
(cons (string-append #$module-directory
(set! %load-compiled-path
(cons (string-append #$module-directory
;; To maximize the chances that locales are set up right
;; out-of-the-box, bundle "common" UTF-8 locales.
(let ((locpath (getenv "GUIX_LOCPATH")))
(setenv "GUIX_LOCPATH"
(string-append (if locpath
(string-append locpath ":")
#$(file-append glibc-utf8-locales
(let ((guix-main (module-ref (resolve-interface '(guix ui))
#$(if source
(bindtextdomain "guix"
#$(locale-data source "guix"))
(bindtextdomain "guix-packages"
#$(locale-data source
;; XXX: It would be more convenient to change it to:
;; (exit (apply guix-main (command-line)))
(apply guix-main (command-line))))
#:guile guile))
(define (miscellaneous-files source)
"Return data files taken from SOURCE."
(file-mapping "guix-misc"
,(file-append* source "/etc/completion/bash/guix"))
,(file-append* source "/etc/completion/bash/guix-daemon"))
,(file-append* source "/etc/completion/zsh/_guix"))
,(file-append* source "/etc/completion/fish/"))
,(file-append* source
,(file-append* source
("share/guix/" ;alias
,(file-append* source "/etc/substitutes/")))))
(define* (whole-package name modules dependencies
(guile-version (effective-version))
info daemon miscellany
(command (guix-command modules
#:dependencies dependencies
#:guile guile
#:guile-version guile-version)))
"Return the whole Guix package NAME that uses MODULES, a derivation of all
the modules (under share/guile/site and lib/guile), and DEPENDENCIES, a list
of packages depended on. COMMAND is the 'guix' program to use; INFO is the
Info manual."
(define (wrap daemon)
(program-file "guix-daemon"
(setenv "GUIX" #$command)
(apply execl #$(file-append daemon "/bin/guix-daemon")
"guix-daemon" (cdr (command-line))))))
(computed-file name
(with-imported-modules '((guix build utils))
(use-modules (guix build utils))
(define daemon
#$(and daemon (wrap daemon)))
(mkdir-p (string-append #$output "/bin"))
(symlink #$command
(string-append #$output "/bin/guix"))
(when daemon
(symlink daemon
(string-append #$output "/bin/guix-daemon")))
(let ((share (string-append #$output "/share"))
(lib (string-append #$output "/lib"))
(info #$info))
(mkdir-p share)
(symlink #$(file-append modules "/share/guile")
(string-append share "/guile"))
(when info
(symlink #$info (string-append share "/info")))
(mkdir-p lib)
(symlink #$(file-append modules "/lib/guile")
(string-append lib "/guile")))
(when #$miscellany
(copy-recursively #$miscellany #$output
#:log (%make-void-port "w")))))))
(define* (compiled-guix source #:key (version %guix-version)
(pull-version 1)
(name (string-append "guix-" version))
(guile-version (effective-version))
(guile-for-build (default-guile))
(zlib (specification->package "zlib"))
(gzip (specification->package "gzip"))
(bzip2 (specification->package "bzip2"))
(xz (specification->package "xz"))
(guix (specification->package "guix")))
"Return a file-like object that contains a compiled Guix."
(define guile-json
(specification->package "guile-json"))
(define guile-ssh
(specification->package "guile-ssh"))
(define guile-git
(specification->package "guile-git"))
(define guile-sqlite3
(specification->package "guile-sqlite3"))
(define guile-gcrypt
(specification->package "guile-gcrypt"))
(define gnutls
(specification->package "gnutls"))
(define dependencies
(match (append-map (lambda (package)
(cons (list "x" package)
(package-transitive-propagated-inputs package)))
(list guile-gcrypt gnutls guile-git guile-json
guile-ssh guile-sqlite3))
(((labels packages _ ...) ...)
(define *core-modules*
(scheme-node "guix-core"
(guix monad-repl)
(guix packages)
(guix download)
(guix discovery)
(guix profiles)
(guix build-system gnu)
(guix build-system trivial)
(guix build profiles)
(guix build gnu-build-system))
;; Provide a dummy (guix config) with the default version
;; number, storedir, etc. This is so that "guix-core" is the
;; same across all installations and doesn't need to be
;; rebuilt when the version changes, which in turn means we
;; can have substitutes for it.
`(((guix config) => ,(make-config.scm)))
;; (guix man-db) is needed at build-time by (guix profiles)
;; but we don't need to compile it; not compiling it allows
;; us to avoid an extra dependency on guile-gdbm-ffi.
`(("guix/man-db.scm" ,(local-file "../guix/man-db.scm"))
,(local-file "../guix/store/schema.sql")))
#:extensions (list guile-gcrypt)
#:guile-for-build guile-for-build))
(define *extra-modules*
(scheme-node "guix-extra"
(filter-map (match-lambda
(('guix 'scripts _ ..1) #f)
(('guix 'man-db) #f)
(name name))
(scheme-modules* source "guix"))
(list *core-modules*)
#:extensions dependencies
#:guile-for-build guile-for-build))
(define *core-package-modules*
(scheme-node "guix-packages-base"
`((gnu packages)
(gnu packages base))
(list *core-modules* *extra-modules*)
#:extensions dependencies
;; Add all the non-Scheme files here. We must do it here so
;; that 'search-patches' & co. can find them. Ideally we'd
;; keep them next to the .scm files that use them but it's
;; difficult to do (XXX).
(file-imports source "gnu/packages"
(lambda (file stat)
(and (eq? 'regular (stat:type stat))
(not (string-suffix? ".scm" file))
(not (string-suffix? ".go" file))
(not (string-prefix? ".#" file))
(not (string-suffix? "~" file)))))
#:guile-for-build guile-for-build))
(define *package-modules*
(scheme-node "guix-packages"
(scheme-modules* source "gnu/packages")
(list *core-modules* *extra-modules* *core-package-modules*)
#:extensions dependencies
#:guile-for-build guile-for-build))
(define *system-modules*
(scheme-node "guix-system"
`((gnu system)
(gnu services)
,@(scheme-modules* source "gnu/bootloader")
,@(scheme-modules* source "gnu/system")
,@(scheme-modules* source "gnu/services"))
(list *core-package-modules* *package-modules*
*extra-modules* *core-modules*)
#:extensions dependencies
(append (file-imports source "gnu/system/examples"
(const #t))
;; All the installer code is on the build-side.
(file-imports source "gnu/installer/"
(const #t))
;; Build-side code that we don't build. Some of
;; these depend on guile-rsvg, the Shepherd, etc.
(file-imports source "gnu/build" (const #t)))
(define *cli-modules*
(scheme-node "guix-cli"
(append (scheme-modules* source "/guix/scripts")
`((gnu ci)))
(list *core-modules* *extra-modules*
*core-package-modules* *package-modules*
#:extensions dependencies
#:guile-for-build guile-for-build))
(define *system-test-modules*
;; Ship these modules mostly so (gnu ci) can discover them.
(scheme-node "guix-system-tests"
`((gnu tests)
,@(scheme-modules* source "gnu/tests"))
(list *core-package-modules* *package-modules*
*extra-modules* *system-modules* *core-modules*
*cli-modules*) ;for (guix scripts pack), etc.
#:extensions dependencies
#:guile-for-build guile-for-build))
(define *config*
(scheme-node "guix-config"
`(((guix config)
=> ,(make-config.scm #:zlib zlib
#:gzip gzip
#:bzip2 bzip2
#:xz xz
#:guile-for-build guile-for-build))
(define (built-modules node-subset)
(directory-union (string-append name "-modules")
(append-map node-subset
;; Note: *CONFIG* comes first so that it
;; overrides the (guix config) module that
;; comes with *CORE-MODULES*.
(list *config*
;; Silently choose the first entry upon collision so that
;; we choose *CONFIG*.
#:resolve-collision 'first
;; When we do (add-to-store "utils.scm"), "utils.scm" must
;; be a regular file, not a symlink. Thus, arrange so that
;; regular files appear as regular files in the final
;; output.
#:copy? #t
#:quiet? #t))
;; Version 0 of 'guix pull' meant we'd just return Scheme modules.
;; Version 1 is when we return the full package.
(cond ((= 1 pull-version)
;; The whole package, with a standard file hierarchy.
(let* ((modules (built-modules (compose list node-source+compiled)))
(command (guix-command modules
#:source source
#:dependencies dependencies
#:guile guile-for-build
#:guile-version guile-version)))
(whole-package name modules dependencies
#:command command
#:guile guile-for-build
;; Include 'guix-daemon'. XXX: Here we inject an
;; older snapshot of guix-daemon, but that's a good
;; enough approximation for now.
#:daemon (module-ref (resolve-interface
'(gnu packages
#:info (info-manual source)
#:miscellany (miscellaneous-files source)
#:guile-version guile-version)))
((= 0 pull-version)
;; Legacy 'guix pull': return the .scm and .go files as one
;; directory.
(built-modules (lambda (node)
(list (node-source node)
(node-compiled node)))))
;; Unsupported 'guix pull' version.
;;; Generating (guix config).
(define %persona-variables
;; (guix config) variables that define Guix's persona.
(define %config-variables
;; (guix config) variables corresponding to Guix configuration.
(letrec-syntax ((variables (syntax-rules ()
((_ variable rest ...)
(cons `(variable . ,variable)
(variables rest ...))))))
(variables %localstatedir %storedir %sysconfdir)))
(define* (make-config.scm #:key zlib gzip xz bzip2
(package-name "GNU Guix")
(package-version "0")
(bug-report-address "")
(home-page-url ""))
;; Hack so that Geiser is not confused.
(define defmod 'define-module)
(scheme-file "config.scm"
#~(;; The following expressions get spliced.
(#$defmod (guix config)
#:export (%guix-package-name
(define %system
#$@(map (match-lambda
((name . value)
#~(define-public #$name #$value)))
(define %store-directory
(or (and=> (getenv "NIX_STORE_DIR") canonicalize-path)
(define %state-directory
;; This must match `NIX_STATE_DIR' as defined in
;; `nix/'.
(string-append %localstatedir "/guix")))
(define %store-database-directory
(string-append %state-directory "/db")))
(define %config-directory
;; defined in `nix/'.
(string-append %sysconfdir "/guix")))
(define %guix-package-name #$package-name)
(define %guix-version #$package-version)
(define %guix-bug-report-address #$bug-report-address)
(define %guix-home-page-url #$home-page-url)
(define %gzip
#+(and gzip (file-append gzip "/bin/gzip")))
(define %bzip2
#+(and bzip2 (file-append bzip2 "/bin/bzip2")))
(define %xz
#+(and xz (file-append xz "/bin/xz")))
(define %libz
#+(and zlib
(file-append zlib "/lib/libz"))))
;; Guile 2.0 *requires* the 'define-module' to be at the
;; top-level or the 'toplevel-ref' in the resulting .go file are
;; made relative to a nonexistent anonymous module.
#:splice? #t))
;;; Building.
(define* (compiled-modules name module-tree module-files
(dependencies '())
(dependencies-compiled '())
(extensions '()) ;full-blown Guile packages
"Build all the MODULE-FILES from MODULE-TREE. MODULE-FILES must be a list
like '(\"guix/foo.scm\" \"gnu/bar.scm\") and MODULE-TREE is the directory
containing MODULE-FILES and possibly other files as well."
;; This is a non-monadic, enhanced version of 'compiled-file' from (guix
;; gexp).
(define build
(with-imported-modules (source-module-closure
'((guix build compile)
(guix build utils)))
(use-modules (srfi srfi-26)
(ice-9 match)
(ice-9 format)
(ice-9 threads)
(guix build compile)
(guix build utils))
(define (regular? file)
(not (member file '("." ".."))))
(define (report-load file total completed)
(display #\cr)
(format #t
"[~3@a/~3@a] loading...\t~5,1f% of ~d files"
;; Note: Multiply TOTAL by two to account for the
;; compilation phase that follows.
completed (* total 2)
(* 100. (/ completed total)) total)
(define (report-compilation file total completed)
(display #\cr)
(format #t "[~3@a/~3@a] compiling...\t~5,1f% of ~d files"
;; Add TOTAL to account for the load phase that came
;; before.
(+ total completed) (* total 2)
(* 100. (/ completed total)) total)
(define (process-directory directory files output)
;; Hide compilation warnings.
(parameterize ((current-warning-port (%make-void-port "w")))
(compile-files directory #$output files
#:workers (parallel-job-count)
#:report-load report-load
#:report-compilation report-compilation)))
(setvbuf (current-output-port) 'line)
(setvbuf (current-error-port) 'line)
(set! %load-path (cons #+module-tree %load-path))
(set! %load-path
(append '#+dependencies
(map (lambda (extension)
(string-append extension "/share/guile/site/"
(set! %load-compiled-path
(append '#+dependencies-compiled
(map (lambda (extension)
(string-append extension "/lib/guile/"
;; Load the compiler modules upfront.
(compile #f)
(mkdir #$output)
(chdir #+module-tree)
(process-directory "." '#+module-files #$output)
(computed-file name build
#:guile guile-for-build
`(#:local-build? #f ;allow substitutes
;; Don't annoy people about _IONBF deprecation.
;; Initialize 'terminal-width' in (system repl debug)
;; to a large-enough value to make backtrace more
;; verbose.
#:env-vars (("GUILE_WARN_DEPRECATED" . "no")
("COLUMNS" . "200")))))
;;; Building.
(define* (guix-derivation source version
#:optional (guile-version (effective-version))
#:key (pull-version 0))
"Return, as a monadic value, the derivation to build the Guix from SOURCE
for GUILE-VERSION. Use VERSION as the version string. PULL-VERSION specifies
the version of the 'guix pull' protocol. Return #f if this PULL-VERSION value
is not supported."
(define (shorten version)
(if (and (string-every char-set:hex-digit version)
(> (string-length version) 9))
(string-take version 9) ;Git commit
(define guile
;; When PULL-VERSION >= 1, produce a self-contained Guix and use Guile 2.2
;; unconditionally.
(when (and (< pull-version 1)
(not (string=? (package-version guile) guile-version)))
;; Guix < 0.15.0 has PULL-VERSION = 0, where the host Guile is reused and
;; can be any version. When that happens and Guile is not current (e.g.,
;; it's Guile 2.0), just bail out.
(raise (condition
(message "Guix is too old and cannot be upgraded")))))
(mbegin %store-monad
(set-guile-for-build guile)
(let ((guix (compiled-guix source
#:version version
#:name (string-append "guix-"
(shorten version))
#:pull-version pull-version
#:guile-version (if (>= pull-version 1)
"2.2" guile-version)
#:guile-for-build guile)))
(if guix
(lower-object guix)
(return #f)))))