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https://git.in.rschanz.org/ryan77627/guix.git
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5f93d97005
This mitigates <https://bugs.gnu.org/27284>. * guix/self.scm: New file. * Makefile.am (MODULES): Add it. * build-aux/build-self.scm (libgcrypt, zlib, gzip, bzip2, xz) (false-if-wrong-guile, package-for-current-guile, guile-json) (guile-ssh, guile-git, guile-bytestructures): Remove. (build): Rewrite to simply delegate to 'compiled-guix'. * gnu/packages.scm (%distro-root-directory): Rewrite to try different directories. * guix/discovery.scm (guix): Export 'scheme-files'. * guix/scripts/pull.scm (build-and-install): Split into... (install-latest): ... this. New procedure. And... (build-and-install): ... this, which now takes a monadic value argument. (indirect-root-added): Remove. (guix-pull): Call 'add-indirect-root'. Call 'build-from-source' and pass the result to 'build-and-install'.
110 lines
3.9 KiB
Scheme
110 lines
3.9 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2014, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (build-self)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-19)
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#:use-module (srfi srfi-26)
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#:use-module (ice-9 match)
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#:export (build))
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;;; Commentary:
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;;;
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;;; When loaded, this module returns a monadic procedure of at least one
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;;; argument: the source tree to build. It returns a derivation that
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;;; builds it.
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;;;
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;;; Code:
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;; Use our very own Guix modules.
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(eval-when (compile load eval)
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(and=> (assoc-ref (current-source-location) 'filename)
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(lambda (file)
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(let ((dir (string-append (dirname file) "/..")))
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(set! %load-path (cons dir %load-path))))))
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(define (date-version-string)
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"Return the current date and hour in UTC timezone, for use as a poor
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person's version identifier."
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;; XXX: Last resort when the Git commit id is missing.
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(date->string (current-date 0) "~Y~m~d.~H"))
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(define-syntax parameterize*
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(syntax-rules ()
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"Like 'parameterize' but for regular variables (!)."
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((_ ((var value) rest ...) body ...)
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(let ((old var)
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(new value))
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(dynamic-wind
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(lambda ()
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(set! var new))
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(lambda ()
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(parameterize* (rest ...) body ...))
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(lambda ()
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(set! var old)))))
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((_ () body ...)
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(begin body ...))))
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(define (pure-load-compiled-path)
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"Return %LOAD-COMPILED-PATH minus the directories containing .go files from
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Guix."
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(define (purify path)
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(fold-right delete path
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(filter-map (lambda (file)
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(and=> (search-path path file) dirname))
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'("guix.go" "gnu.go"))))
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(let loop ((path %load-compiled-path))
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(let ((next (purify path)))
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(if (equal? next path)
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path
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(loop next)))))
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;; The procedure below is our return value.
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(define* (build source
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#:key verbose? (version (date-version-string))
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#:allow-other-keys
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#:rest rest)
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"Return a derivation that unpacks SOURCE into STORE and compiles Scheme
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files."
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;; Start by jumping into the target Guix so that we have access to the
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;; latest packages and APIs.
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;;
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;; Our checkout in the store has mtime set to the epoch, and thus .go
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;; files look newer, even though they may not correspond.
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(parameterize* ((%load-should-auto-compile #f)
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(%fresh-auto-compile #f)
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;; Work around <https://bugs.gnu.org/29226>.
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(%load-compiled-path (pure-load-compiled-path)))
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;; FIXME: This is currently too expensive notably because it involves
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;; compiling a number of the big package files such as perl.scm, which
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;; takes lots of time and memory as of Guile 2.2.2.
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;;
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;; (let ((reload-guix (module-ref (resolve-interface '(guix self))
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;; 'reload-guix)))
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;; (reload-guix)) ;cross fingers!
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(let ((guix-derivation (module-ref (resolve-interface '(guix self))
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'guix-derivation)))
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(guix-derivation source version))))
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;; This file is loaded by 'guix pull'; return it the build procedure.
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build
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;;; build-self.scm ends here
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