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guix: build: Add transitive source building. 

* guix/scripts/build.scm (%options, options->derivations): Add --sources
  option.
* doc/guix.texi (Invoking guix build): Document --sources option.
* tests/guix-build.sh: Add tests.
This commit is contained in:
Eric Bavier 2015-01-28 13:33:28 -06:00
parent f77bcbc374
commit 2cdfe13dea
3 changed files with 163 additions and 17 deletions
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43
doc/guix.texi
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@ -2932,6 +2932,49 @@ The returned source tarball is the result of applying any patches and
code snippets specified in the package's @code{origin} (@pxref{Defining
Packages}).
@item --sources
Fetch and return the source of @var{package-or-derivation} and all their
dependencies, recursively. This is a handy way to obtain a local copy
of all the source code needed to build @var{packages}, allowing you to
eventually build them even without network access. It is an extension
of the @code{--source} option and can accept one of the following
optional argument values:
@table @code
@item package
This value causes the @code{--sources} option to behave in the same way
as the @code{--source} option.
@item all
Build all packages' source derivations, including any source that might
be listed as @code{inputs}. This is the default value.
@example
$ guix build --sources tzdata
The following derivations will be built:
/gnu/store/@dots{}-tzdata2015b.tar.gz.drv
/gnu/store/@dots{}-tzcode2015b.tar.gz.drv
@end example
@item transitive
Build all packages' source derivations, as well as all source
derivations for packages' transitive inputs. This can be used e.g. to
prefetch package source for later offline building.
@example
$ guix build --sources=transitive tzdata
The following derivations will be built:
/gnu/store/@dots{}-tzcode2015b.tar.gz.drv
/gnu/store/@dots{}-findutils-4.4.2.tar.xz.drv
/gnu/store/@dots{}-grep-2.21.tar.xz.drv
/gnu/store/@dots{}-coreutils-8.23.tar.xz.drv
/gnu/store/@dots{}-make-4.1.tar.xz.drv
/gnu/store/@dots{}-bash-4.3.tar.xz.drv
@dots{}
@end example
@end table
@item --system=@var{system}
@itemx -s @var{system}
Attempt to build for @var{system}---e.g., @code{i686-linux}---instead of

55
guix/scripts/build.scm
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@ -228,6 +228,9 @@ Build the given PACKAGE-OR-DERIVATION and return their output paths.\n"))
(display (_ "
-S, --source build the packages' source derivations"))
(display (_ "
--sources[=TYPE] build source derivations; TYPE may optionally be one
of \"package\", \"all\" (default), or \"transitive\""))
(display (_ "
-s, --system=SYSTEM attempt to build for SYSTEM--e.g., \"i686-linux\""))
(display (_ "
--target=TRIPLET cross-build for TRIPLET--e.g., \"armel-linux-gnu\""))
@ -262,10 +265,22 @@ Build the given PACKAGE-OR-DERIVATION and return their output paths.\n"))
(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)))
(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 (_ "invalid argument: '~a' option argument: ~a, ~
must be one of 'package', 'all', or 'transitive'~%")
name arg)))))
(option '(#\s "system") #t #f
(lambda (opt name arg result)
(alist-cons 'system arg
@ -308,28 +323,34 @@ build."
(triplet
(cut package-cross-derivation <> <> triplet <>))))
(define src? (assoc-ref opts 'source?))
(define src (assoc-ref opts 'source))
(define sys (assoc-ref opts 'system))
(define graft? (assoc-ref opts 'graft?))
(parameterize ((%graft? graft?))
(let ((opts (options/with-source store
(options/resolve-packages store opts))))
(filter-map (match-lambda
(('argument . (? package? p))
(if src?
(concatenate
(filter-map (match-lambda
(('argument . (? package? p))
(match src
(#f
(list (package->derivation store p sys)))
(#t
(let ((s (package-source p)))
(package-source-derivation store s))
(package->derivation store p sys)))
(('argument . (? derivation? drv))
drv)
(('argument . (? derivation-path? drv))
(call-with-input-file drv read-derivation))
(('argument . (? store-path?))
;; Nothing to do; maybe for --log-file.
#f)
(_ #f))
opts))))
(list (package-source-derivation store s))))
(proc
(map (cut package-source-derivation store <>)
(proc p)))))
(('argument . (? derivation? drv))
(list drv))
(('argument . (? derivation-path? drv))
(list (call-with-input-file drv read-derivation)))
(('argument . (? store-path?))
;; Nothing to do; maybe for --log-file.
#f)
(_ #f))
opts)))))
(define (options/resolve-packages store opts)
"Return OPTS with package specification strings replaced by actual

82
tests/guix-build.sh
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@ -36,6 +36,88 @@ guix build -e '(@@ (gnu packages bootstrap) %bootstrap-guile)' | \
guix build hello -d | \
grep -e '-hello-[0-9\.]\+\.drv$'
# Check --sources option with its arguments
module_dir="t-guix-build-$$"
mkdir "$module_dir"
trap "rm -rf $module_dir" EXIT
cat > "$module_dir/foo.scm"<<EOF
(define-module (foo)
#:use-module (guix packages)
#:use-module (guix download)
#:use-module (guix build-system trivial))
(define-public foo
(package
(name "foo")
(version "42")
(source (origin
(method url-fetch)
(uri "http://www.example.com/foo.tar.gz")
(sha256
(base32
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"))))
(build-system trivial-build-system)
(inputs
(quasiquote (("bar" ,bar))))
(home-page "www.example.com")
(synopsis "Dummy package")
(description "foo is a dummy package for testing.")
(license #f)))
(define-public bar
(package
(name "bar")
(version "9001")
(source (origin
(method url-fetch)
(uri "http://www.example.com/bar.tar.gz")
(sha256
(base32
"yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy"))))
(build-system trivial-build-system)
(inputs
(quasiquote
(("data" ,(origin
(method url-fetch)
(uri "http://www.example.com/bar.dat")
(sha256
(base32
"zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz")))))))
(home-page "www.example.com")
(synopsis "Dummy package")
(description "bar is a dummy package for testing.")
(license #f)))
EOF
GUIX_PACKAGE_PATH="$module_dir"
export GUIX_PACKAGE_PATH
# foo.tar.gz
guix build -d -S foo
guix build -d -S foo | grep -e 'foo\.tar\.gz'
guix build -d --sources=package foo
guix build -d --sources=package foo | grep -e 'foo\.tar\.gz'
# bar.tar.gz and bar.dat
guix build -d --sources bar
test `guix build -d --sources bar \
| grep -e 'bar\.tar\.gz' -e 'bar\.dat' \
| wc -l` -eq 2
# bar.tar.gz and bar.dat
guix build -d --sources=all bar
test `guix build -d --sources bar \
| grep -e 'bar\.tar\.gz' -e 'bar\.dat' \
| wc -l` -eq 2
# Should include foo.tar.gz, bar.tar.gz, and bar.dat
guix build -d --sources=transitive foo
test `guix build -d --sources=transitive foo \
| grep -e 'foo\.tar\.gz' -e 'bar\.tar\.gz' -e 'bar\.dat' \
| wc -l` -eq 3
# Should all return valid log files.
drv="`guix build -d -e '(@@ (gnu packages bootstrap) %bootstrap-guile)'`"
out="`guix build -e '(@@ (gnu packages bootstrap) %bootstrap-guile)'`"