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#!/bin/sh |
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# aside from this initial boilerplate, this is actually -*- scheme -*- code |
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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-build)) '\'guix-build')' |
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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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;;; Guix --- Nix package management from Guile. -*- coding: utf-8 -*- |
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;;; Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org> |
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;;; |
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;;; This file is part of Guix. |
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;;; |
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;;; 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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;;; 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 Guix. If not, see <http://www.gnu.org/licenses/>. |
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(define-module (guix-build) |
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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 (ice-9 format) |
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#:use-module (ice-9 match) |
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#:use-module (srfi srfi-1) |
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#:use-module (srfi srfi-26) |
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#:use-module (srfi srfi-37) |
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#:autoload (distro) (find-packages-by-name) |
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#:export (guix-build)) |
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(define _ (cut gettext <> "guix")) |
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(define N_ (cut ngettext <> <> <> "guix")) |
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(define %store |
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(open-connection)) |
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(define (derivations-from-package-expressions exp) |
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"Eval EXP and return the corresponding derivation path." |
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(let ((p (eval exp (current-module)))) |
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(if (package? p) |
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(package-derivation %store p) |
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(begin |
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(format (current-error-port) |
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(_ "expression `~s' does not evaluate to a package") |
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exp) |
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(exit 1))))) |
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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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'()) |
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(define (show-version) |
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(display "guix-build (@PACKAGE_NAME@) @PACKAGE_VERSION@\n")) |
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(define (show-help) |
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(display (_ "Usage: guix-build [OPTION]... PACKAGE-OR-DERIVATION... |
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Build the given PACKAGE-OR-DERIVATION and return their output paths.\n")) |
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(display (_ " |
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-e, --expression=EXPR build the package EXPR evaluates to")) |
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(display (_ " |
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-K, --keep-failed keep build tree of failed builds")) |
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(display (_ " |
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-n, --dry-run do not build the derivations")) |
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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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(format #t (_ " |
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Report bugs to: ~a.~%") "@PACKAGE_BUGREPORT@")) |
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(define %options |
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;; Specifications 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) |
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(exit 0))) |
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(option '(#\e "expression") #t #f |
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(lambda (opt name arg result) |
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(alist-cons 'expression |
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(call-with-input-string arg read) |
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result))) |
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(option '(#\K "keep-failed") #f #f |
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(lambda (opt name arg result) |
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(alist-cons 'keep-failed? #t 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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;;; |
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;;; Entry point. |
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;;; |
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(define (guix-build . args) |
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(let-syntax ((leave (syntax-rules () |
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((_ fmt args ...) |
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(begin |
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(format (current-error-port) fmt args ...) |
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(exit 1)))))) |
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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") opt)) |
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(lambda (arg result) |
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(alist-cons 'argument arg result)) |
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%default-options)) |
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(setlocale LC_ALL "") |
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(textdomain "guix") |
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(let* ((opts (parse-options)) |
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(drv (filter-map (match-lambda |
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(('expression . exp) |
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(derivations-from-package-expressions exp)) |
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(('argument . (? derivation-path? drv)) |
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drv) |
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(('argument . (? string? x)) |
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(match (find-packages-by-name x) |
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((p _ ...) |
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(package-derivation %store p)) |
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(_ |
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(leave (_ "~A: unknown package") x)))) |
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(_ #f)) |
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opts)) |
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(req (append-map (lambda (drv-path) |
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(let ((d (call-with-input-file drv-path |
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read-derivation))) |
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(derivation-prerequisites-to-build %store d))) |
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drv)) |
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(req* (delete-duplicates |
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(append (remove (compose (cut valid-path? %store <>) |
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derivation-path->output-path) |
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drv) |
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(map derivation-input-path req))))) |
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(if (assoc-ref opts '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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;; TODO: Add more options. |
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(set-build-options %store |
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#:keep-failed? (assoc-ref opts 'keep-failed?)) |
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(or (assoc-ref opts 'dry-run?) |
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(and (build-derivations %store drv) |
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(for-each (lambda (d) |
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(display (derivation-path->output-path d)) |
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(newline)) |
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drv)))))) |