guix-devel/guix/scripts/build.scm

888 lines
36 KiB
Scheme
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013 Mark H Weaver <mhw@netris.org>
;;;
;;; 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 build)
#:use-module (guix ui)
#:use-module (guix scripts)
#:use-module (guix store)
#:use-module (guix derivations)
#:use-module (guix packages)
#:use-module (guix grafts)
#:use-module (guix utils)
;; Use the procedure that destructures "NAME-VERSION" forms.
#:use-module ((guix build utils)
#:select ((package-name->name+version
. hyphen-package-name->name+version)))
#:use-module (guix monads)
#:use-module (guix gexp)
#:autoload (guix http-client) (http-fetch http-get-error?)
#:use-module (ice-9 format)
#:use-module (ice-9 match)
#:use-module (ice-9 vlist)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-34)
#:use-module (srfi srfi-37)
#:autoload (gnu packages) (specification->package %package-module-path)
#:autoload (guix download) (download-to-store)
#:autoload (guix git-download) (git-reference?)
#:autoload (guix git) (git-checkout?)
#:use-module (guix status)
#:use-module ((guix progress) #:select (current-terminal-columns))
#:use-module ((guix build syscalls) #:select (terminal-columns))
#:export (%standard-build-options
set-build-options-from-command-line
set-build-options-from-command-line*
show-build-options-help
%transformation-options
options->transformation
show-transformation-options-help
guix-build
register-root
register-root*))
(define %default-log-urls
;; Default base URLs for build logs.
'("http://ci.guix.info/log"))
;; XXX: The following procedure cannot be in (guix store) because of the
;; dependency on (guix derivations).
(define* (log-url store file #:key (base-urls %default-log-urls))
"Return a URL under one of the BASE-URLS where a build log for FILE can be
found. Return #f if no build log was found."
(define (valid-url? url)
;; Probe URL and return #t if it is accessible.
(catch #t
(lambda ()
(guard (c ((http-get-error? c) #f))
(close-port (http-fetch url #:buffered? #f))
#t))
(match-lambda*
(('getaddrinfo-error . _)
#f)
(('tls-certificate-error args ...)
(report-error (G_ "cannot access build log at '~a':~%") url)
(print-exception (current-error-port) #f
'tls-certificate-error args)
(exit 1))
((key . args)
(apply throw key args)))))
(define (find-url file)
(let ((base (basename file)))
(any (lambda (base-url)
(let ((url (string-append base-url "/" base)))
(and (valid-url? url) url)))
base-urls)))
(cond ((derivation-path? file)
(catch 'system-error
(lambda ()
;; Usually we'll have more luck with the output file name since
;; the deriver that was used by the server could be different, so
;; try one of the output file names.
(let ((drv (read-derivation-from-file file)))
(or (find-url (derivation->output-path drv))
(find-url file))))
(lambda args
;; As a last resort, try the .drv.
(if (= ENOENT (system-error-errno args))
(find-url file)
(apply throw args)))))
(else
(find-url file))))
(define (register-root store paths root)
"Register ROOT as an indirect GC root for all of PATHS."
(let* ((root (if (string-prefix? "/" root)
root
(string-append (canonicalize-path (dirname root))
"/" root))))
(catch 'system-error
(lambda ()
(match paths
((path)
(symlink path root)
(add-indirect-root store root))
((paths ...)
(fold (lambda (path count)
(let ((root (string-append root
"-"
(number->string count))))
(symlink path root)
(add-indirect-root store root))
(+ 1 count))
0
paths))))
(lambda args
(leave (G_ "failed to create GC root `~a': ~a~%")
root (strerror (system-error-errno args)))))))
(define register-root*
(store-lift register-root))
(define (numeric-extension? file-name)
"Return true if FILE-NAME ends with digits."
(string-every char-set:hex-digit (file-extension file-name)))
(define (tarball-base-name file-name)
"Return the \"base\" of FILE-NAME, removing '.tar.gz' or similar
extensions."
;; TODO: Factorize.
(cond ((not (file-extension file-name))
file-name)
((numeric-extension? file-name)
file-name)
((string=? (file-extension file-name) "tar")
(file-sans-extension file-name))
((file-extension file-name)
=>
(match-lambda
("scm" file-name)
(else (tarball-base-name (file-sans-extension file-name)))))
(else
file-name)))
(define* (package-with-source store p uri #:optional version)
"Return a package based on P but with its source taken from URI. Extract
the new package's version number from URI."
(let ((base (tarball-base-name (basename uri))))
(let-values (((_ version*)
(hyphen-package-name->name+version base)))
(package (inherit p)
(version (or version version*
(package-version p)))
;; Use #:recursive? #t to allow for directories.
(source (download-to-store store uri
#:recursive? #t))
;; Override the replacement, otherwise '--with-source' would
;; have no effect.
(replacement #f)))))
;;;
;;; Transformations.
;;;
(define (transform-package-source sources)
"Return a transformation procedure that replaces package sources with the
matching URIs given in SOURCES."
(define new-sources
(map (lambda (uri)
(match (string-index uri #\=)
(#f
;; Determine the package name and version from URI.
(call-with-values
(lambda ()
(hyphen-package-name->name+version
(tarball-base-name (basename uri))))
(lambda (name version)
(list name version uri))))
(index
;; What's before INDEX is a "PKG@VER" or "PKG" spec.
(call-with-values
(lambda ()
(package-name->name+version (string-take uri index)))
(lambda (name version)
(list name version
(string-drop uri (+ 1 index))))))))
sources))
(lambda (store obj)
(let loop ((sources new-sources)
(result '()))
(match obj
((? package? p)
(match (assoc-ref sources (package-name p))
((version source)
(package-with-source store p source version))
(#f
p)))
(_
obj)))))
(define (evaluate-replacement-specs specs proc)
"Parse SPECS, a list of strings like \"guile=guile@2.1\", and invoke PROC on
each package pair specified by SPECS. Return the resulting list. Raise an
error if an element of SPECS uses invalid syntax, or if a package it refers to
could not be found."
(define not-equal
(char-set-complement (char-set #\=)))
(map (lambda (spec)
(match (string-tokenize spec not-equal)
((old new)
(proc (specification->package old)
(specification->package new)))
(x
(leave (G_ "invalid replacement specification: ~s~%") spec))))
specs))
(define (transform-package-inputs replacement-specs)
"Return a procedure that, when passed a package, replaces its direct
dependencies according to REPLACEMENT-SPECS. REPLACEMENT-SPECS is a list of
strings like \"guile=guile@2.1\" meaning that, any dependency on a package
called \"guile\" must be replaced with a dependency on a version 2.1 of
\"guile\"."
(let* ((replacements (evaluate-replacement-specs replacement-specs cons))
(rewrite (package-input-rewriting replacements)))
(lambda (store obj)
(if (package? obj)
(rewrite obj)
obj))))
(define (transform-package-inputs/graft replacement-specs)
"Return a procedure that, when passed a package, replaces its direct
dependencies according to REPLACEMENT-SPECS. REPLACEMENT-SPECS is a list of
strings like \"gnutls=gnutls@3.5.4\" meaning that packages are built using the
current 'gnutls' package, after which version 3.5.4 is grafted onto them."
(define (replacement-pair old new)
(cons old
(package (inherit old) (replacement new))))
(let* ((replacements (evaluate-replacement-specs replacement-specs
replacement-pair))
(rewrite (package-input-rewriting replacements)))
(lambda (store obj)
(if (package? obj)
(rewrite obj)
obj))))
(define (evaluate-git-replacement-specs specs proc)
"Parse SPECS, a list of strings like \"guile=stable-2.2\", and return a list
of package pairs, where (PROC PACKAGE URL BRANCH-OR-COMMIT) returns the
replacement package. Raise an error if an element of SPECS uses invalid
syntax, or if a package it refers to could not be found."
(define not-equal
(char-set-complement (char-set #\=)))
(map (lambda (spec)
(match (string-tokenize spec not-equal)
((name branch-or-commit)
(let* ((old (specification->package name))
(source (package-source old))
(url (cond ((and (origin? source)
(git-reference? (origin-uri source)))
(git-reference-url (origin-uri source)))
((git-checkout? source)
(git-checkout-url source))
(else
(leave (G_ "the source of ~a is not a Git \
reference~%")
(package-full-name old))))))
(cons old (proc old url branch-or-commit))))
(x
(leave (G_ "invalid replacement specification: ~s~%") spec))))
specs))
(define (transform-package-source-branch replacement-specs)
"Return a procedure that, when passed a package, replaces its direct
dependencies according to REPLACEMENT-SPECS. REPLACEMENT-SPECS is a list of
strings like \"guile-next=stable-3.0\" meaning that packages are built using
'guile-next' from the latest commit on its 'stable-3.0' branch."
(define (replace old url branch)
(package
(inherit old)
(version (string-append "git." branch))
(source (git-checkout (url url) (branch branch)
(recursive? #t)))))
(let* ((replacements (evaluate-git-replacement-specs replacement-specs
replace))
(rewrite (package-input-rewriting replacements)))
(lambda (store obj)
(if (package? obj)
(rewrite obj)
obj))))
(define (transform-package-source-commit replacement-specs)
"Return a procedure that, when passed a package, replaces its direct
dependencies according to REPLACEMENT-SPECS. REPLACEMENT-SPECS is a list of
strings like \"guile-next=cabba9e\" meaning that packages are built using
'guile-next' from commit 'cabba9e'."
(define (replace old url commit)
(package
(inherit old)
(version (string-append "git."
(if (< (string-length commit) 7)
commit
(string-take commit 7))))
(source (git-checkout (url url) (commit commit)))))
(let* ((replacements (evaluate-git-replacement-specs replacement-specs
replace))
(rewrite (package-input-rewriting replacements)))
(lambda (store obj)
(if (package? obj)
(rewrite obj)
obj))))
(define %transformations
;; Transformations that can be applied to things to build. The car is the
;; key used in the option alist, and the cdr is the transformation
;; procedure; it is called with two arguments: the store, and a list of
;; things to build.
`((with-source . ,transform-package-source)
(with-input . ,transform-package-inputs)
(with-graft . ,transform-package-inputs/graft)
(with-branch . ,transform-package-source-branch)
(with-commit . ,transform-package-source-commit)))
(define %transformation-options
;; The command-line interface to the above transformations.
(let ((parser (lambda (symbol)
(lambda (opt name arg result . rest)
(apply values
(alist-cons symbol arg result)
rest)))))
(list (option '("with-source") #t #f
(parser 'with-source))
(option '("with-input") #t #f
(parser 'with-input))
(option '("with-graft") #t #f
(parser 'with-graft))
(option '("with-branch") #t #f
(parser 'with-branch))
(option '("with-commit") #t #f
(parser 'with-commit)))))
(define (show-transformation-options-help)
(display (G_ "
--with-source=SOURCE
use SOURCE when building the corresponding package"))
(display (G_ "
--with-input=PACKAGE=REPLACEMENT
replace dependency PACKAGE by REPLACEMENT"))
(display (G_ "
--with-graft=PACKAGE=REPLACEMENT
graft REPLACEMENT on packages that refer to PACKAGE"))
(display (G_ "
--with-branch=PACKAGE=BRANCH
build PACKAGE from the latest commit of BRANCH"))
(display (G_ "
--with-commit=PACKAGE=COMMIT
build PACKAGE from COMMIT")))
(define (options->transformation opts)
"Return a procedure that, when passed an object to build (package,
derivation, etc.), applies the transformations specified by OPTS."
(define applicable
;; List of applicable transformations as symbol/procedure pairs.
(filter-map (match-lambda
((key . transform)
(match (filter-map (match-lambda
((k . arg)
(and (eq? k key) arg)))
opts)
(() #f)
(args (cons key (transform args))))))
%transformations))
(lambda (store obj)
(fold (match-lambda*
(((name . transform) obj)
(let ((new (transform store obj)))
(when (eq? new obj)
(warning (G_ "transformation '~a' had no effect on ~a~%")
name
(if (package? obj)
(package-full-name obj)
obj)))
new)))
obj
applicable)))
;;;
;;; Standard command-line build options.
;;;
(define (show-build-options-help)
"Display on the current output port help about the standard command-line
options handled by 'set-build-options-from-command-line', and listed in
'%standard-build-options'."
(display (G_ "
-L, --load-path=DIR prepend DIR to the package module search path"))
(display (G_ "
-K, --keep-failed keep build tree of failed builds"))
(display (G_ "
-k, --keep-going keep going when some of the derivations fail"))
(display (G_ "
-n, --dry-run do not build the derivations"))
(display (G_ "
--fallback fall back to building when the substituter fails"))
(display (G_ "
--no-substitutes build instead of resorting to pre-built substitutes"))
(display (G_ "
--substitute-urls=URLS
fetch substitute from URLS if they are authorized"))
(display (G_ "
--no-grafts do not graft packages"))
(display (G_ "
--no-build-hook do not attempt to offload builds via the build hook"))
(display (G_ "
--max-silent-time=SECONDS
mark the build as failed after SECONDS of silence"))
(display (G_ "
--timeout=SECONDS mark the build as failed after SECONDS of activity"))
(display (G_ "
--rounds=N build N times in a row to detect non-determinism"))
(display (G_ "
-c, --cores=N allow the use of up to N CPU cores for the build"))
(display (G_ "
-M, --max-jobs=N allow at most N build jobs"))
(display (G_ "
--debug=LEVEL produce debugging output at LEVEL")))
(define (set-build-options-from-command-line store opts)
"Given OPTS, an alist as returned by 'args-fold' given
'%standard-build-options', set the corresponding build options on STORE."
;; TODO: Add more options.
(set-build-options store
#:keep-failed? (assoc-ref opts 'keep-failed?)
#:keep-going? (assoc-ref opts 'keep-going?)
#:rounds (assoc-ref opts 'rounds)
#:build-cores (assoc-ref opts 'cores)
#:max-build-jobs (assoc-ref opts 'max-jobs)
#:fallback? (assoc-ref opts 'fallback?)
#:use-substitutes? (assoc-ref opts 'substitutes?)
#:substitute-urls (assoc-ref opts 'substitute-urls)
#:use-build-hook? (assoc-ref opts 'build-hook?)
#:max-silent-time (assoc-ref opts 'max-silent-time)
#:timeout (assoc-ref opts 'timeout)
#:print-build-trace (assoc-ref opts 'print-build-trace?)
#:print-extended-build-trace?
(assoc-ref opts 'print-extended-build-trace?)
#:multiplexed-build-output?
(assoc-ref opts 'multiplexed-build-output?)
#:verbosity (assoc-ref opts 'debug)))
(define set-build-options-from-command-line*
(store-lift set-build-options-from-command-line))
(define %standard-build-options
;; List of standard command-line options for tools that build something.
(list (option '(#\L "load-path") #t #f
(lambda (opt name arg result . rest)
;; XXX: Imperatively modify the search paths.
(%package-module-path (cons arg (%package-module-path)))
(%patch-path (cons arg (%patch-path)))
(set! %load-path (cons arg %load-path))
(set! %load-compiled-path (cons arg %load-compiled-path))
(apply values (cons result rest))))
(option '(#\K "keep-failed") #f #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'keep-failed? #t result)
rest)))
(option '(#\k "keep-going") #f #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'keep-going? #t result)
rest)))
(option '("rounds") #t #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'rounds (string->number* arg)
result)
rest)))
(option '("fallback") #f #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'fallback? #t
(alist-delete 'fallback? result))
rest)))
(option '("no-substitutes") #f #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'substitutes? #f
(alist-delete 'substitutes? result))
rest)))
(option '("substitute-urls") #t #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'substitute-urls
(string-tokenize arg)
(alist-delete 'substitute-urls result))
rest)))
(option '("no-grafts") #f #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'graft? #f
(alist-delete 'graft? result eq?))
rest)))
(option '("no-build-hook") #f #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'build-hook? #f
(alist-delete 'build-hook? result))
rest)))
(option '("max-silent-time") #t #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'max-silent-time (string->number* arg)
result)
rest)))
(option '("timeout") #t #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'timeout (string->number* arg) result)
rest)))
(option '("debug") #t #f
(lambda (opt name arg result . rest)
(let ((level (string->number* arg)))
(apply values
(alist-cons 'debug level
(alist-delete 'debug result))
rest))))
(option '(#\c "cores") #t #f
(lambda (opt name arg result . rest)
(let ((c (false-if-exception (string->number arg))))
(if c
(apply values (alist-cons 'cores c result) rest)
(leave (G_ "not a number: '~a' option argument: ~a~%")
name arg)))))
(option '(#\M "max-jobs") #t #f
(lambda (opt name arg result . rest)
(let ((c (false-if-exception (string->number arg))))
(if c
(apply values (alist-cons 'max-jobs c result) rest)
(leave (G_ "not a number: '~a' option argument: ~a~%")
name arg)))))))
;;;
;;; Command-line options.
;;;
(define %default-options
;; Alist of default option values.
`((system . ,(%current-system))
(build-mode . ,(build-mode normal))
(graft? . #t)
(substitutes? . #t)
(build-hook? . #t)
(print-build-trace? . #t)
(print-extended-build-trace? . #t)
(multiplexed-build-output? . #t)
(verbosity . 2)
(debug . 0)))
(define (show-help)
(display (G_ "Usage: guix build [OPTION]... PACKAGE-OR-DERIVATION...
Build the given PACKAGE-OR-DERIVATION and return their output paths.\n"))
(display (G_ "
-e, --expression=EXPR build the package or derivation EXPR evaluates to"))
(display (G_ "
-f, --file=FILE build the package or derivation that the code within
FILE evaluates to"))
(display (G_ "
-S, --source build the packages' source derivations"))
(display (G_ "
--sources[=TYPE] build source derivations; TYPE may optionally be one
of \"package\", \"all\" (default), or \"transitive\""))
(display (G_ "
-s, --system=SYSTEM attempt to build for SYSTEM--e.g., \"i686-linux\""))
(display (G_ "
--target=TRIPLET cross-build for TRIPLET--e.g., \"armel-linux-gnu\""))
(display (G_ "
-d, --derivations return the derivation paths of the given packages"))
(display (G_ "
--check rebuild items to check for non-determinism issues"))
(display (G_ "
--repair repair the specified items"))
(display (G_ "
-r, --root=FILE make FILE a symlink to the result, and register it
as a garbage collector root"))
(display (G_ "
-v, --verbosity=LEVEL use the given verbosity LEVEL"))
(display (G_ "
-q, --quiet do not show the build log"))
(display (G_ "
--log-file return the log file names for the given derivations"))
(newline)
(show-build-options-help)
(newline)
(show-transformation-options-help)
(newline)
(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 '(#\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 '("sources") #f #t
(lambda (opt name arg result)
(match arg
("package"
(alist-cons 'source #t result))
((or "all" #f)
(alist-cons 'source package-direct-sources result))
("transitive"
(alist-cons 'source package-transitive-sources result))
(else
(leave (G_ "invalid argument: '~a' option argument: ~a, ~
must be one of 'package', 'all', or 'transitive'~%")
name arg)))))
(option '("check") #f #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'build-mode (build-mode check)
result)
rest)))
(option '("repair") #f #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'build-mode (build-mode repair)
result)
rest)))
(option '(#\s "system") #t #f
(lambda (opt name arg result)
(alist-cons 'system arg
(alist-delete 'system result eq?))))
(option '("target") #t #f
(lambda (opt name arg result)
(alist-cons 'target arg
(alist-delete 'target 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 arg result)))
(option '(#\f "file") #t #f
(lambda (opt name arg result)
(alist-cons 'file arg result)))
(option '(#\n "dry-run") #f #f
(lambda (opt name arg result)
(alist-cons 'dry-run? #t (alist-cons 'graft? #f result))))
(option '(#\r "root") #t #f
(lambda (opt name arg result)
(alist-cons 'gc-root arg 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 '(#\q "quiet") #f #f
(lambda (opt name arg result)
(alist-cons 'verbosity 0
(alist-delete 'verbosity result))))
(option '("log-file") #f #f
(lambda (opt name arg result)
(alist-cons 'log-file? #t result)))
(append %transformation-options
%standard-build-options)))
(define (options->things-to-build opts)
"Read the arguments from OPTS and return a list of high-level objects to
build---packages, gexps, derivations, and so on."
(define (validate-type x)
(unless (or (derivation? x) (file-like? x) (gexp? x) (procedure? x))
(leave (G_ "~s: not something we can build~%") x)))
(define (ensure-list x)
(let ((lst (match x
((x ...) x)
(x (list x)))))
(for-each validate-type lst)
lst))
(append-map (match-lambda
(('argument . (? string? spec))
(cond ((derivation-path? spec)
(list (read-derivation-from-file spec)))
((store-path? spec)
;; Nothing to do; maybe for --log-file.
'())
(else
(list (specification->package spec)))))
(('file . file)
(ensure-list (load* file (make-user-module '()))))
(('expression . str)
(ensure-list (read/eval str)))
(('argument . (? derivation? drv))
drv)
(_ '()))
opts))
(define (options->derivations store opts)
"Given OPTS, the result of 'args-fold', return a list of derivations to
build."
(define transform
(options->transformation opts))
(define package->derivation
(match (assoc-ref opts 'target)
(#f package-derivation)
(triplet
(cut package-cross-derivation <> <> triplet <>))))
(define src (assoc-ref opts 'source))
(define system (assoc-ref opts 'system))
(define graft? (assoc-ref opts 'graft?))
;; We may get 'unbound-variable' errors while evaluating the 'inputs' fields
;; of user packages. Since 'guix build' is the primary tool for people
;; testing new packages, report such errors gracefully.
(with-unbound-variable-handling
(parameterize ((%graft? graft?))
(append-map (match-lambda
((? package? p)
(let ((p (or (and graft? (package-replacement p)) p)))
(match src
(#f
(list (package->derivation store p system)))
(#t
(match (package-source p)
(#f
(format (current-error-port)
(G_ "~a: warning: \
package '~a' has no source~%")
(location->string (package-location p))
(package-name p))
'())
(s
(list (package-source-derivation store s)))))
(proc
(map (cut package-source-derivation store <>)
(proc p))))))
((? derivation? drv)
(list drv))
((? procedure? proc)
(list (run-with-store store
(mbegin %store-monad
(set-guile-for-build (default-guile))
(proc))
#:system system)))
((? file-like? obj)
(list (run-with-store store
(lower-object obj system
#:target (assoc-ref opts 'target))
#:system system)))
((? gexp? gexp)
(list (run-with-store store
(mbegin %store-monad
(set-guile-for-build (default-guile))
(gexp->derivation "gexp" gexp
#:system system))
#:system system))))
(map (cut transform store <>)
(options->things-to-build opts))))))
(define (show-build-log store file urls)
"Show the build log for FILE, falling back to remote logs from URLS if
needed."
(let ((log (or (log-file store file)
(log-url store file #:base-urls urls))))
(if log
(format #t "~a~%" log)
(leave (G_ "no build log for '~a'~%") file))))
;;;
;;; Entry point.
;;;
(define (guix-build . args)
(define opts
(parse-command-line args %options
(list %default-options)))
(with-error-handling
;; Ask for absolute file names so that .drv file names passed from the
;; user to 'read-derivation' are absolute when it returns.
(with-fluids ((%file-port-name-canonicalization 'absolute))
(with-status-verbosity (assoc-ref opts 'verbosity)
(with-store store
;; Set the build options before we do anything else.
(set-build-options-from-command-line store opts)
(parameterize ((current-terminal-columns (terminal-columns)))
(let* ((mode (assoc-ref opts 'build-mode))
(drv (options->derivations store opts))
(urls (map (cut string-append <> "/log")
(if (assoc-ref opts 'substitutes?)
(or (assoc-ref opts 'substitute-urls)
;; XXX: This does not necessarily match the
;; daemon's substitute URLs.
%default-substitute-urls)
'())))
(items (filter-map (match-lambda
(('argument . (? store-path? file))
file)
(_ #f))
opts))
(roots (filter-map (match-lambda
(('gc-root . root) root)
(_ #f))
opts)))
(unless (or (assoc-ref opts 'log-file?)
(assoc-ref opts 'derivations-only?))
(show-what-to-build store drv
#:use-substitutes?
(assoc-ref opts 'substitutes?)
#:dry-run? (assoc-ref opts 'dry-run?)
#:mode mode))
(cond ((assoc-ref opts 'log-file?)
(for-each (cut show-build-log store <> urls)
(delete-duplicates
(append (map derivation-file-name drv)
items))))
((assoc-ref opts 'derivations-only?)
(format #t "~{~a~%~}" (map derivation-file-name drv))
(for-each (cut register-root store <> <>)
(map (compose list derivation-file-name) drv)
roots))
((not (assoc-ref opts 'dry-run?))
(and (build-derivations store drv mode)
(for-each show-derivation-outputs drv)
(for-each (cut register-root store <> <>)
(map (lambda (drv)
(map cdr
(derivation->output-paths drv)))
drv)
roots)))))))))))