~cnx/guix - Personal Guix development branches

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2018-09-04	Switch to Guile-Gcrypt.	Ludovic Courtès
	This removes (guix hash) and (guix pk-crypto), which now live as part of Guile-Gcrypt (version 0.1.0.) * guix/gcrypt.scm, guix/hash.scm, guix/pk-crypto.scm, tests/hash.scm, tests/pk-crypto.scm: Remove. * configure.ac: Test for Guile-Gcrypt. Remove LIBGCRYPT and LIBGCRYPT_LIBDIR assignments. * m4/guix.m4 (GUIX_ASSERT_LIBGCRYPT_USABLE): Remove. * README: Add Guile-Gcrypt to the dependencies; move libgcrypt as "required unless --disable-daemon". * doc/guix.texi (Requirements): Likewise. * gnu/packages/bash.scm, guix/derivations.scm, guix/docker.scm, guix/git.scm, guix/http-client.scm, guix/import/cpan.scm, guix/import/cran.scm, guix/import/crate.scm, guix/import/elpa.scm, guix/import/gnu.scm, guix/import/hackage.scm, guix/import/texlive.scm, guix/import/utils.scm, guix/nar.scm, guix/pki.scm, guix/scripts/archive.scm, guix/scripts/authenticate.scm, guix/scripts/download.scm, guix/scripts/hash.scm, guix/scripts/pack.scm, guix/scripts/publish.scm, guix/scripts/refresh.scm, guix/scripts/substitute.scm, guix/store.scm, guix/store/deduplication.scm, guix/tests.scm, tests/base32.scm, tests/builders.scm, tests/challenge.scm, tests/cpan.scm, tests/crate.scm, tests/derivations.scm, tests/gem.scm, tests/nar.scm, tests/opam.scm, tests/pki.scm, tests/publish.scm, tests/pypi.scm, tests/store-deduplication.scm, tests/store.scm, tests/substitute.scm: Adjust imports. * gnu/system/vm.scm: Likewise. (guile-sqlite3&co): Rename to... (gcrypt-sqlite3&co): ... this. Add GUILE-GCRYPT. (expression->derivation-in-linux-vm)[config]: Remove. (iso9660-image)[config]: Remove. (qemu-image)[config]: Remove. (system-docker-image)[config]: Remove. * guix/scripts/pack.scm: Adjust imports. (guile-sqlite3&co): Rename to... (gcrypt-sqlite3&co): ... this. Add GUILE-GCRYPT. (self-contained-tarball)[build]: Call 'make-config.scm' without #:libgcrypt argument. (squashfs-image)[libgcrypt]: Remove. [build]: Call 'make-config.scm' without #:libgcrypt. (docker-image)[config, json]: Remove. [build]: Add GUILE-GCRYPT to the extensions Remove (guix config) from the imported modules. * guix/self.scm (specification->package): Remove "libgcrypt", add "guile-gcrypt". (compiled-guix): Remove #:libgcrypt. [guile-gcrypt]: New variable. [dependencies]: Add it. [core-modules]: Remove #:libgcrypt from 'make-config.scm' call. Add #:extensions. [config]: Remove #:libgcrypt from 'make-config.scm' call. (%dependency-variables): Remove %libgcrypt. (make-config.scm): Remove #:libgcrypt. * build-aux/build-self.scm (guile-gcrypt): New variable. (make-config.scm): Remove #:libgcrypt. (build-program)[fake-gcrypt-hash]: New variable. Add (gcrypt hash) to the imported modules. Adjust load path assignments. * gnu/packages/package-management.scm (guix)[propagated-inputs]: Add GUILE-GCRYPT. [arguments]: In 'wrap-program' phase, add GUILE-GCRYPT to the search path.
2016-04-03	build: Add a Guile custom test driver using SRFI-64.	Mathieu Lirzin
	Before that '.log' files for scheme tests were fragmented and not included in test-suite.log. This unifies the semantics of SRFI-64 API with Automake test suite. * build-aux/test-driver.scm: New file. * Makefile.am (SCM_LOG_DRIVER, AM_SCM_LOG_DRIVER_FLAGS): New variables. (SCM_LOG_COMPILER, AM_SCM_LOG_FLAGS): Delete variables. (AM_TESTS_ENVIRONMENT): Set GUILE_AUTO_COMPILE to 0. * test-env.in: Silence guix-daemon. * doc/guix.texi (Running the Test Suite): Describe how to display the detailed results. Bug reports require only 'test-suite.log' file. * tests/base32.scm, tests/build-utils.scm, tests/builders.scm, tests/challenge.scm, tests/cpan.scm, tests/cpio.scm, tests/cran.scm, tests/cve.scm, tests/derivations.scm, tests/elpa.scm, tests/file-systems.scm, tests/gem.scm, tests/gexp.scm, tests/gnu-maintenance.scm, tests/grafts.scm, tests/graph.scm, tests/gremlin.scm, tests/hackage.scm, tests/hash.scm, tests/import-utils.scm, tests/lint.scm, tests/monads.scm, tests/nar.scm, tests/packages.scm, tests/pk-crypto.scm, tests/pki.scm, tests/profiles.scm, tests/publish.scm, tests/pypi.scm, tests/records.scm, tests/scripts-build.scm, tests/scripts.scm, tests/services.scm, tests/sets.scm, tests/size.scm, tests/snix.scm, tests/store.scm, tests/substitute.scm, tests/syscalls.scm, tests/system.scm, tests/ui.scm, tests/union.scm, tests/upstream.scm, tests/utils.scm: Don't exit at the end of test groups. * tests/containers.scm: Likewise. Use 'test-skip' instead of exiting with error code 77.
2015-02-24	tests: Skip tests that would fail due to the shebang length.	Ludovic Courtès
	Reported by Daniel Kochmański <dkochmanski@hellsgate.pl>. Fixes <http://bugs.gnu.org/19888>. * guix/tests.scm (shebang-too-long?): New procedure. * tests/builders.scm ("gnu-build"): Conditionalize on not (shebang-too-long?). * tests/packages.scm ("GNU Make, bootstrap"): Likewise. * tests/guix-package.sh (shebang_not_too_long): New function. Use it to determine whether to build 'gnu-make-boot0'.
2015-02-24	tests: Factorize the network reachability test.	Ludovic Courtès
	* guix/tests.scm (network-reachable?): New procedure. * tests/builders.scm (network-reachable?): Remove. Replace references to it with calls to the new 'network-reachable?' procedure. * tests/derivations.scm (%coreutils): Use 'network-reachable?' instead of 'getaddrinfo'. * tests/packages.scm: Likewise. * tests/union.scm: Likewise.
2015-01-14	packages: Convert source derivations to monadic style.	Ludovic Courtès
	* guix/packages.scm (origin->derivation): Take body from 'package-source-derivation', and change it to monadic style. Expect METHOD to a monadic procedure. (package-source-derivation): Define in terms of 'origin->derivation'. * guix/download.scm (url-fetch): Remove 'store' argument. Remove 'guile-for-build' variable. Turn into a monadic procedure. * guix/git-download.scm (git-fetch): Likewise. * guix/svn-download.scm (svn-fetch): Likewise. * tests/builders.scm (url-fetch): New procedure. Change tests to call 'url-fetch' instead of 'url-fetch'. * tests/packages.scm ("package-source-derivation, snippet"): Remove 'store' parameter of 'fetch' and change it to use 'interned-file' instead of 'add-to-store'. * gnu/packages/bootstrap.scm (bootstrap-origin)[boot]: Remove 'store' parameter.
2014-10-05	build-system: Introduce "bags" as an intermediate representation.	Ludovic Courtès
	* guix/build-system.scm (<build-system>)[build, cross-build]: Remove. [lower]: New field. (<bag>): New record type. (make-bag): New procedure. * guix/packages.scm (bag-transitive-inputs, bag-transitive-build-inputs, bag-transitive-host-inputs, bag-transitive-target-inputs, package->bag): New procedures. (package-derivation): Use it; use the bag, apply its build procedure, etc. (package-cross-derivation): Likewise. * gnu/packages/bootstrap.scm (raw-build, make-raw-bag): New procedure. (%bootstrap-guile): Use them. * guix/build-system/trivial.scm (lower): New procedure. (trivial-build, trivial-cross-build): Remove 'source' parameter. Pass INPUTS as is. (trivial-build-system): Adjust accordingly. * guix/build-system/gnu.scm (%store, inputs-search-paths, standard-search-paths, expand-inputs, standard-inputs): Remove. (gnu-lower): New procedure. (gnu-build): Remove 'source' and #:implicit-inputs? parameters. Remove 'implicit-inputs' and 'implicit-search-paths' variables. Get the source from INPUT-DRVS. (gnu-cross-build): Likewise. (standard-cross-packages): Remove call to 'standard-packages'. (standard-cross-inputs, standard-cross-search-paths): Remove. (gnu-build-system): Remove 'build' and 'cross-build'; add 'lower'. * guix/build-system/cmake.scm (lower): New procedure. (cmake-build): Remove 'source' and #:cmake parameters. Use INPUTS and SEARCH-PATHS as is. Get the source from INPUTS. * guix/build-system/perl.scm: Likewise. * guix/build-system/python.scm: Likewise. * guix/build-system/ruby.scm: Likewise. * gnu/packages/cross-base.scm (cross-gcc): Change "cross-linux-headers" to "linux-headers". (cross-libc)[xlinux-headers]: Pass #:implicit-cross-inputs? #f. Likewise. In 'propagated-inputs', change "cross-linux-headers" to "linux-headers". * guix/git-download.scm (git-fetch): Use 'standard-packages' instead of 'standard-inputs'. * tests/builders.scm ("gnu-build-system"): Remove use of 'build-system-builder'. ("gnu-build"): Remove 'source' and #:implicit-inputs? arguments to 'gnu-build'. * tests/packages.scm ("search paths"): Adjust to new build system API. ("package-cross-derivation, no cross builder"): Likewise. * doc/guix.texi (Build Systems): Add paragraph on bags.
2014-10-03	download: Allow raw file names or file:// URLs.	Ludovic Courtès
	* guix/download.scm (url-fetch): When URL is a string, if it's not a URI or if it's a URI with 'file' or #f scheme, use 'add-to-store'. * tests/builders.scm ("url-fetch, file", "url-fetch, file URI"): New tests.
2014-08-28	gnu: Split (gnu packages base), adding (gnu packages commencement).	Ludovic Courtès
	* gnu/packages/base.scm (gnu-make-boot0, diffutils-boot0, findutils-boot0, %boot0-inputs, nix-system->gnu-triplet, boot-triplet, binutils-boot0, gcc-boot0, perl-boot0, linux-libre-headers-boot0, texinfo-boot0, %boot1-inputs, glibc-final-with-bootstrap-bash, cross-gcc-wrapper, static-bash-for-glibc, glibc-final, gcc-boot0-wrapped, %boot2-inputs, binutils-final, libstdc++, gcc-final, ld-wrapper-boot3, %boot3-inputs, bash-final, %boot4-inputs, guile-final, gnu-make-final, ld-wrapper, coreutils-final, grep-final, %boot5-inputs, %final-inputs, canonical-package, gcc-toolchain, gcc-toolchain-4.8, gcc-toolchain-4.9): Move to... * gnu/packages/commencement.scm: ... here. New file. * gnu-system.am (GNU_SYSTEM_MODULES): Add it. * build-aux/check-final-inputs-self-contained.scm: Adjust accordingly. * gnu/packages/cross-base.scm: Likewise. * gnu/packages/make-bootstrap.scm: Likewise. * guix/build-system/cmake.scm (cmake-build): Likewise. * guix/build-system/gnu.scm (standard-packages, gnu-build, gnu-cross-build): Likewise. * guix/build-system/perl.scm (perl-build): Likewise. * guix/build-system/python.scm (python-build): Likewise. * guix/build-system/trivial.scm (guile-for-build): Likewise. * guix/download.scm (url-fetch): Likewise. * guix/gexp.scm (default-guile): Likewise. * guix/git-download.scm (git-fetch): Likewise. * guix/monads.scm (run-with-store): Likewise. * guix/packages.scm (default-guile): Likewise. * guix/scripts/package.scm (guix-package): Likewise. * guix/scripts/refresh.scm: Likewise. * guix/svn-download.scm (svn-fetch): Likewise. * tests/builders.scm (%bootstrap-inputs, %bootstrap-search-paths): Likewise. * tests/packages.scm ("GNU Make, bootstrap"): Likewise. * tests/guix-package.sh: Likewise. * gnu/services/base.scm: Use 'canonical-package' instead of xxx-final. * gnu/services/xorg.scm: Likewise. * gnu/system/vm.scm: Likewise. * guix/scripts/pull.scm (guix-pull): Likewise.
2014-08-23	Factorize test suite support in (guix tests).	Ludovic Courtès
	* guix/tests.scm: New file. * Makefile.am (noinst_DATA): New variable. (GOBJECTS): Add guix/tests.go. * tests/builders.scm (%store): Use 'open-connection-for-tests' from (guix tests). * tests/derivations.scm: Likewise. * tests/monads.scm: Likewise. * tests/packages.scm: Likewise. * tests/profiles.scm: Likewise. * tests/union.scm: Likewise. * tests/gexp.scm: Likewise. (guile-for-build): Remove. Use (%guile-for-build) instead. * tests/nar.scm (make-random-bytevector, %seed, random-text): Remove. (populate-file): Change 'make-random-bytevector' to 'random-bytevector'. Use (guix tests). * tests/store.scm (%seed, random-text): Remove. Use (guix tests).
2013-09-18	derivations: 'derivation' and related procedures return a single value.	Ludovic Courtès
	* guix/derivations.scm (derivation->output-path, derivation->output-paths): New procedures. (derivation-path->output-path): Use 'derivation->output-path'. (derivation-path->output-paths): Use 'derivation->output-paths'. (derivation): Accept 'derivation?' objects as inputs. Return a single value. (build-derivations): New procedure. (compiled-modules): Use 'derivation->output-paths'. (build-expression->derivation)[source-path]: Add case for when the input matches 'derivation?'. [prologue]: Accept 'derivation?' objects in INPUTS. [mod-dir, go-dir]: Use 'derivation->output-path'. * guix/download.scm (url-fetch): Adjust to the single-value return. * guix/packages.scm (package-output): Use 'derivation->output-path'. * guix/scripts/build.scm (guix-build): When the argument is 'derivation-path?', pass it through 'read-derivation'. Use 'derivation-file-name' to print out the .drv file names, and to register them. Use 'derivation->output-path' instead of 'derivation-path->output-path'. * guix/scripts/package.scm (roll-back): Adjust to the single-value return. (guix-package): Use 'derivation->output-path'. * guix/ui.scm (show-what-to-build): Adjust to deal with 'derivation?' objects instead of .drv file names. * gnu/system/grub.scm (grub-configuration-file): Use 'derivation->output-path' instead of 'derivation-path->output-path'. * gnu/system/vm.scm (qemu-image, system-qemu-image): Likewise. * tests/builders.scm, tests/derivations.scm, tests/packages.scm, tests/store.scm, tests/union.scm: Adjust to the new calling convention. * doc/guix.texi (Defining Packages, The Store, Derivations): Adjust accordingly.
2013-04-11	tests: Adjust `gnu-build' test to search path mechanism.	Ludovic Courtès
	Fixes a regression introduced in a18eda2. Reported by Nikita Karetnikov <nikita@karetnikov.org>. * tests/builders.scm (%bootstrap-search-paths): New variable. ("gnu-build"): Pass #:search-paths.
2013-02-01	Augment `.dir-locals.el'.	Ludovic Courtès
	* .dir-locals.el: Add more Scheme settings. * guix-build.in, tests/base32.scm, tests/build-utils.scm, tests/builders.scm, tests/derivations.scm, tests/packages.scm, tests/snix.scm, tests/store.scm, tests/union.scm, tests/utils.scm: Remove redundant Emacs local variable settings.
2013-01-18	distro: Change the module name space to (gnu ...).	Ludovic Courtès
	* distro: Rename to... * gnu: ... this. Update module names accordingly. * Makefile.am: Adjust accordingly. * po/POTFILES.in: Likewise. * distro.scm: Search for files under /gnu/packages instead of /distro/packages. * gnu/packages/base.scm (ld-wrapper-boot3): Likewise.
2013-01-06	Update license headers.	Ludovic Courtès
	Change all license headers, except guix/build/* and ld-wrapper.scm, with this code: (use-modules (guix build utils) (srfi srfi-1)) (fluid-set! %default-port-encoding "UTF-8") (substitute* (remove (lambda (f) (or (string-contains f ".tar.") (string-contains f ".git/") (string-contains f ".so") (string-suffix? ".o" f) (string-suffix? ".a" f) (string-suffix? ".go" f) (string-suffix? ".pdf" f) (string-suffix? ".png" f) (string-suffix? ".info" f) (equal? (basename f) "guix-daemon") (equal? (basename f) "nix-setuid-helper") (string-contains f "nix-upstream/") (string-contains f "distro/packages/bootstrap/"))) (find-files "." "\\.[a-z]+$")) (("^([[:graph:]]+) This file is part of Guix." _ comment-start) (string-append comment-start " This file is part of GNU Guix.")) (("^([[:graph:]]+) Guix --- Nix package management.*" _ comment-start) (string-append comment-start " GNU Guix --- Functional package management for GNU\n")) (("^([[:graph:]]+) Guix is " _ comment-start) (string-append comment-start " GNU Guix is ")) (("^([[:graph:]]+) along with Guix." _ comment-start) (string-append comment-start " along with GNU Guix.")) (("^([[:graph:]]+) Copyright \$C\$" _ comment-start) (string-append comment-start " Copyright ©"))) Change headers using C-style comments manually.
2012-12-13	tests: Skip network-dependent tests when the network is unreachable.	Ludovic Courtès
	* tests/builders.scm (network-reachable?): New variable. ("url-fetch", "gnu-build"): Skip unless NETWORK-REACHABLE?. * tests/derivations.scm (%coreutils): Check for network access. ("build-expression->derivation with one input"): Skip when %COREUTILS is #f. * tests/guix-package.sh: Skip installation of GNU Make when the network is unreachable. * tests/packages.scm ("GNU Make, bootstrap"): Likewise. * tests/union.scm ("union-build"): Likewise.
2012-11-13	tests: Make sure to use the bootstrap Guile.	Ludovic Courtès
	* tests/builders.scm ("url-fetch", "gnu-build"): Pass `url-fetch' #:guile %BOOTSTRAP-GUILE.
2012-11-13	Remove (guix http) and (guix ftp).	Ludovic Courtès
	* guix/ftp.scm, guix/http.scm, guix/build/ftp.scm, guix/build/http.scm: Remove. * Makefile.am (MODULES): Likewise. * tests/builders.scm, distro/packages/base.scm, distro/packages/bash.scm, distro/packages/bdw-gc.scm, distro/packages/compression.scm, distro/packages/gawk.scm, distro/packages/gnupg.scm, distro/packages/gperf.scm, distro/packages/guile.scm, distro/packages/libffi.scm, distro/packages/libsigsegv.scm, distro/packages/libtool.scm, distro/packages/libunistring.scm, distro/packages/lout.scm, distro/packages/m4.scm, distro/packages/multiprecision.scm, distro/packages/ncurses.scm, distro/packages/perl.scm, distro/packages/pkg-config.scm, distro/packages/pth.scm, distro/packages/readline.scm, distro/packages/recutils.scm: Use `url-fetch' instead of `http-fetch' and `ftp-fetch'. * distro/packages/bootstrap.scm: Likewise (bootstrap-origin): Remove references to `http-fetch' and `ftp-fetch'. * guix.scm (%public-modules): Remove `http' and `ftp'; add `download'.
2012-11-12	Add (guix download) and (guix build download).	Ludovic Courtès
	* guix/download.scm, guix/build/download.scm: New files. * Makefile.am (MODULES): Add them. * tests/builders.scm ("url-fetch"): New test. * distro/packages/bootstrap.scm (bootstrap-origin): Support `url-fetch'. * guix/snix.scm (snix-derivation->guix-package): Use `url-fetch' instead of `http-fetch'.
2012-11-11	Move base32 code to (guix base32).	Ludovic Courtès
	* guix/utils.scm (bytevector-quintet-ref, bytevector-quintet-ref-right, bytevector-quintet-length, bytevector-quintet-fold, bytevector-quintet-fold-right, make-bytevector->base32-string, %nix-base32-chars, %rfc4648-base32-chars, bytevector->base32-string, bytevector->nix-base32-string, bytevector-quintet-set!, bytevector-quintet-set-right!, base32-string-unfold, base32-string-unfold-right, make-base32-string->bytevector, base32-string->bytevector, nix-base32-string->bytevector): Move to... * guix/base32.scm: ... here. New file. * tests/utils.scm (%nix-hash, "bytevector->base32-string", "base32-string->bytevector", "nix-base32-string->bytevector", "sha256 & bytevector->base32-string"): Move to... * tests/base32.scm: ... here. New file * guix-download.in, guix/derivations.scm, guix/packages.scm, guix/snix.scm, tests/builders.scm, tests/derivations.scm: Adjust accordingly. * guix.scm (%public-modules): Add `base32'.
2012-11-04	distro: Move bootstrap packages to (distro packages bootstrap).	Ludovic Courtès
	* distro/packages/base.scm (glibc-dynamic-linker, %bootstrap-guile, bootstrap-origin, package-from-tarball, %bootstrap-base-url, %bootstrap-coreutils&co, %bootstrap-binutils, %bootstrap-glibc, %bootstrap-gcc, %bootstrap-inputs, package-with-bootstrap-guile): Move to ... * distro/packages/bootstrap.scm: ... here. New file. * Makefile.am (MODULES): Add it. * tests/builders.scm: Use (distro packages bootstrap). (%bootstrap-guile): Remove. * tests/packages.scm: Likewise. * tests/union.scm: Likewise, and remove @@ to access %bootstrap-inputs. * tests/derivations.scm: Use (distro packages bootstrap) and remove @@ to access %bootstrap-coreutils&co. * HACKING (When the platform is supported by Nixpkgs): Update accordingly.
2012-11-02	tests: Run without substitutes.	Ludovic Courtès
	* tests/builders.scm, tests/derivations.scm, tests/packages.scm: Set #:use-substitutes? #f for %STORE.
2012-10-28	tests: Use our own bootstrap tools.	Ludovic Courtès
	* tests/builders.scm (%bootstrap-inputs): Use %BOOT0-INPUTS from the distro. * tests/packages.scm (%bootstrap-inputs): Likewise. * tests/derivations.scm (%coreutils): Alias for %BOOTSTRAP-COREUTILS&CO.
2012-10-07	tests: Use bootstrap and Nixpkgs inputs to be less costly.	Ludovic Courtès
	* tests/builders.scm (%bootstrap-inputs, %bootstrap-guile): New variables. ("gnu-build"): Use them, by setting `#:implicit-inputs? #f' and `#:guile'. * tests/packages.scm (%bootstrap-inputs, %bootstrap-guile): New variables. ("trivial"): Pass `#:guile %bootstrap-guile'. ("GNU Hello"): Use `package-with-explicit-inputs' to use %BOOTSTRAP-GUILE and %BOOTSTRAP-INPUTS.
2012-07-01	Add the `valid-path?' RPC.	Ludovic Courtès
	* guix/store.scm (valid-path?): New procedure. * tests/builders.scm ("http-fetch", "gnu-build"): Use it. * tests/derivations.scm ("add-to-store, flat", "add-to-store, recursive", "derivation with no inputs", "build derivation with 1 source", "build derivation with coreutils", "build-expression->derivation with expression returning #f"): Likewise.
2012-06-27	Abstract build systems.	Ludovic Courtès
	* Makefile.am (MODULES): Add `guix/build-system.scm' and `guix/build-system/gnu.scm'. Remove `guix/gnu-build-system.scm'. * guix/build-system.scm: New file. * guix/gnu-build-system.scm: Rename to... * guix/build-system/gnu.scm: ... this. (gnu-build-system): New variable. * tests/builders.scm: Adjust `use-module' clauses. ("gnu-build-system"): New test.
2012-06-13	Change `build-expression->derivation' to support sub-derivation inputs.	Ludovic Courtès
	* guix/derivations.scm (build-expression->derivation): Change to expect INPUTS to have the form (NAME DRV-PATH SUB-DRV) or (NAME DRV-PATH), instead of (NAME . DRV-PATH). Update callers accordingly. * guix/gnu-build-system.scm, tests/builders.scm, tests/derivations.scm: Update accordingly.
2012-06-13	Add supporting tools for the GNU Build System.	Ludovic Courtès
	* guix/derivations.scm (build-expression->derivation): Add all of INPUTS as inputs to the final derivation. * guix/build/gnu-build-system.scm, guix/build/utils.scm, guix/gnu-build-system.scm: New files. * tests/builders.scm ("gnu-build"): New test.
2012-06-12	Augment `build-expression->derivation' with #:modules; add `http-fetch'.	Ludovic Courtès
	* guix/derivations.scm (imported-modules): New procedure. (build-expression->derivation): New keyword argument `modules'. Use `imported-modules' when MODULES is non-empty, and pass it with `-L' to GUILE. * guix/build/http.scm, guix/http.scm, tests/builders.scm: New files.