#!/bin/sh # aside from this initial boilerplate, this is actually -*- scheme -*- code prefix="@prefix@" datarootdir="@datarootdir@" GUILE_LOAD_COMPILED_PATH="@guilemoduledir@:$GUILE_LOAD_COMPILED_PATH" export GUILE_LOAD_COMPILED_PATH main='(module-ref (resolve-interface '\''(guix-build)) '\'guix-build')' exec ${GUILE-@GUILE@} -L "@guilemoduledir@" -l "$0" \ -c "(apply $main (cdr (command-line)))" "$@" !# ;;; Guix --- Nix package management from Guile. -*- coding: utf-8 -*- ;;; Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of Guix. ;;; ;;; 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. ;;; ;;; 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 Guix. If not, see <http://www.gnu.org/licenses/>. (define-module (guix-build) #:use-module (guix ui) #:use-module (guix store) #:use-module (guix derivations) #:use-module (guix packages) #:use-module (guix utils) #:use-module (ice-9 format) #:use-module (ice-9 match) #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) #:use-module (srfi srfi-34) #:use-module (srfi srfi-37) #:autoload (distro) (find-packages-by-name) #:export (guix-build)) (define %store (make-parameter #f)) (define (derivations-from-package-expressions exp system source?) "Eval EXP and return the corresponding derivation path for SYSTEM. When SOURCE? is true, return the derivations of the package sources." (let ((p (eval exp (current-module)))) (if (package? p) (if source? (let ((source (package-source p)) (loc (package-location p))) (if source (package-source-derivation (%store) source) (leave (_ "~a: error: package `~a' has no source~%") (location->string loc) (package-name p)))) (package-derivation (%store) p system)) (leave (_ "expression `~s' does not evaluate to a package~%") exp)))) ;;; ;;; Command-line options. ;;; (define %default-options ;; Alist of default option values. `((system . ,(%current-system)) (substitutes? . #t))) (define (show-help) (display (_ "Usage: guix-build [OPTION]... PACKAGE-OR-DERIVATION... Build the given PACKAGE-OR-DERIVATION and return their output paths.\n")) (display (_ " -e, --expression=EXPR build the package EXPR evaluates to")) (display (_ " -S, --source build the packages' source derivations")) (display (_ " -s, --system=SYSTEM attempt to build for SYSTEM--e.g., \"i686-linux\"")) (display (_ " -d, --derivations return the derivation paths of the given packages")) (display (_ " -K, --keep-failed keep build tree of failed builds")) (display (_ " -n, --dry-run do not build the derivations")) (display (_ " --no-substitutes build instead of resorting to pre-built substitutes")) (display (_ " -c, --cores=N allow the use of up to N CPU cores for the build")) (display (_ " -r, --root=FILE make FILE a symlink to the result, and register it as a garbage collector root")) (newline) (display (_ " -h, --help display this help and exit")) (display (_ " -V, --version display version information and exit")) (newline) (format #t (_ " Report bugs to: ~a.~%") "@PACKAGE_BUGREPORT@")) (define %options ;; Specifications of the command-line options. (list (option '(#\h "help") #f #f (lambda args (show-help) (exit 0))) (option '(#\V "version") #f #f (lambda args (show-version-and-exit "guix-build"))) (option '(#\S "source") #f #f (lambda (opt name arg result) (alist-cons 'source? #t result))) (option '(#\s "system") #t #f (lambda (opt name arg result) (alist-cons 'system arg (alist-delete 'system result eq?)))) (option '(#\d "derivations") #f #f (lambda (opt name arg result) (alist-cons 'derivations-only? #t result))) (option '(#\e "expression") #t #f (lambda (opt name arg result) (alist-cons 'expression (call-with-input-string arg read) result))) (option '(#\K "keep-failed") #f #f (lambda (opt name arg result) (alist-cons 'keep-failed? #t result))) (option '(#\c "cores") #t #f (lambda (opt name arg result) (let ((c (false-if-exception (string->number arg)))) (if c (alist-cons 'cores c result) (leave (_ "~a: not a number~%") arg))))) (option '(#\n "dry-run") #f #f (lambda (opt name arg result) (alist-cons 'dry-run? #t result))) (option '("no-substitutes") #f #f (lambda (opt name arg result) (alist-cons 'substitutes? #f (alist-delete 'substitutes? result)))) (option '(#\r "root") #t #f (lambda (opt name arg result) (alist-cons 'gc-root arg result))))) ;;; ;;; Entry point. ;;; (define (guix-build . args) (define (parse-options) ;; Return the alist of option values. (args-fold args %options (lambda (opt name arg result) (leave (_ "~A: unrecognized option~%") name)) (lambda (arg result) (alist-cons 'argument arg result)) %default-options)) (define (register-root drv root) ;; Register ROOT as an indirect GC root for DRV's outputs. (let* ((root (string-append (canonicalize-path (dirname root)) "/" root)) (drv* (call-with-input-file drv read-derivation)) (outputs (derivation-outputs drv*)) (outputs* (map (compose derivation-output-path cdr) outputs))) (catch 'system-error (lambda () (match outputs* ((output) (symlink output root) (add-indirect-root (%store) root)) ((outputs ...) (fold (lambda (output count) (let ((root (string-append root "-" (number->string count)))) (symlink output root) (add-indirect-root (%store) root)) (+ 1 count)) 0 outputs)))) (lambda args (format (current-error-port) (_ "failed to create GC root `~a': ~a~%") root (strerror (system-error-errno args))) (exit 1))))) (setlocale LC_ALL "") (textdomain "guix") (setvbuf (current-output-port) _IOLBF) (setvbuf (current-error-port) _IOLBF) (with-error-handling (let ((opts (parse-options))) (parameterize ((%store (open-connection))) (let* ((src? (assoc-ref opts 'source?)) (sys (assoc-ref opts 'system)) (drv (filter-map (match-lambda (('expression . exp) (derivations-from-package-expressions exp sys src?)) (('argument . (? derivation-path? drv)) drv) (('argument . (? string? x)) (match (find-packages-by-name x) ((p _ ...) (if src? (let ((s (package-source p))) (package-source-derivation (%store) s)) (package-derivation (%store) p sys))) (_ (leave (_ "~A: unknown package~%") x)))) (_ #f)) opts)) (req (append-map (lambda (drv-path) (let ((d (call-with-input-file drv-path read-derivation))) (derivation-prerequisites-to-build (%store) d))) drv)) (req* (delete-duplicates (append (remove (compose (cut valid-path? (%store) <>) derivation-path->output-path) drv) (map derivation-input-path req))))) (if (assoc-ref opts 'dry-run?) (format (current-error-port) (N_ "~:[the following derivation would be built:~%~{ ~a~%~}~;~]" "~:[the following derivations would be built:~%~{ ~a~%~}~;~]" (length req*)) (null? req*) req*) (format (current-error-port) (N_ "~:[the following derivation will be built:~%~{ ~a~%~}~;~]" "~:[the following derivations will be built:~%~{ ~a~%~}~;~]" (length req*)) (null? req*) req*)) ;; TODO: Add more options. (set-build-options (%store) #:keep-failed? (assoc-ref opts 'keep-failed?) #:build-cores (or (assoc-ref opts 'cores) 0) #:use-substitutes? (assoc-ref opts 'substitutes?)) (if (assoc-ref opts 'derivations-only?) (format #t "~{~a~%~}" drv) (or (assoc-ref opts 'dry-run?) (and (build-derivations (%store) drv) (for-each (lambda (d) (let ((drv (call-with-input-file d read-derivation))) (format #t "~{~a~%~}" (map (match-lambda ((out-name . out) (derivation-path->output-path d out-name))) (derivation-outputs drv))))) drv) (let ((roots (filter-map (match-lambda (('gc-root . root) root) (_ #f)) opts))) (when roots (for-each (cut register-root <> <>) drv roots) #t)))))))))) ;; Local Variables: ;; eval: (put 'guard 'scheme-indent-function 1) ;; End: