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2015-04-11packages: Add 'bag-direct-inputs'....* guix/packages.scm (bag-direct-inputs): New procedure. (bag-transitive-inputs): Use it. Ludovic Courtès
2015-03-24packages: Add zip archive support to 'patch-and-repack'....Fixes <http://bugs.gnu.org/19830>. * guix/packages.scm (%standard-patch-inputs): Add "unzip". (patch-and-repack)[decompression-type]: Detect zip archive. [build]: Invoke "unzip" when appropriate. Eric Bavier
2015-03-21packages: Make sure the patch inputs are not #f....Fixes build issues whereby #:inputs would be #f. See <http://hydra.gnu.org/build/320333/nixlog/4/tail-reload>. * guix/packages.scm (patch-and-repack): #:input defaults to #f. [lookup-input]: When INPUTS is #f, use (%standard-patch-inputs). Ludovic Courtès
2015-03-21gnu: Use 'glibc-utf8-locales-final' in the default patching inputs....* gnu/packages/commencement.scm (glibc-utf8-locales-final): Make public. * guix/packages.scm (%standard-patch-inputs): Use GLIBC-UTF8-LOCALES-FINAL instead of GLIBC-UTF8-LOCALES. Ludovic Courtès
2015-03-18packages: Rewrite 'patch-and-repack' using gexps....* guix/packages.scm (patch-and-repack): Remove 'store' parameter and change default value of #:inputs to (%standard-patch-inputs). [lookup-input, instantiate-patch]: New procedures. [patch-inputs]: Remove. [builder]: Rename to... [build]: ... this. Use gexps instead of sexps. (patch-and-repack*): Remove. (origin->derivation): Use 'patch-and-repack' instead of 'patch-and-repack*'. * tests/packages.scm ("package-source-derivation, snippet")[source](snippet): Remove references to '%build-inputs' and '%outputs'. Ludovic Courtès
2015-03-17gexp: Move the package and origin compilers to (guix packages)....From now own, (guix packages) depends on (guix gexps); it was the other way around now. This means that (guix packages) code can use gexps. * guix/gexp.scm (origin-compiler, package-compiler): Remove. (default-guile-derivation): New procedure. (gexp->derivation): Use it instead of 'default-guile' + 'package->derivation'. * guix/packages.scm (default-guile-derivation): New procedure. (package-compiler, origin-compiler): New variables. * doc/guix.texi (G-Expressions): Mention extensibility. Ludovic Courtès
2015-03-17packages: Move grafting parameter to (guix derivations)....* guix/packages.scm (%graft?, set-grafting): Move to... * guix/derivations.scm: ... here. Ludovic Courtès
2015-02-28packages: Set the port conversion strategy to 'error'....Suggested by Mark H Weaver. * guix/build/gnu-build-system.scm (gnu-build): Set %DEFAULT-PORT-CONVERSION-STRATEGY to 'error. * guix/packages.scm (patch-and-repack)[builder]: Likewise. Ludovic Courtès
2015-02-27packages: When possible, use a UTF-8 locale in patch-and-repack....* guix/packages.scm (%standard-patch-inputs): Add "locales". (patch-and-repack)[builder]: Add 'locales' variable. When it is true, call 'setenv' and 'setlocale'. Ludovic Courtès
2015-02-13packages: Add 'set-grafting' procedure....* guix/packages.scm (set-grafting): New procedure. Ludovic Courtès
2015-01-20packages: Mark the 'patches' field as delayed....* guix/packages.scm (<origin>)[patches]: Mark as 'delayed'. (print-origin, origin->derivation): Add call to 'force' when accessing 'patches'. Ludovic Courtès
2015-01-17store: Make '%store-monad' an alias for '%state-monad'....* guix/store.scm (define-alias): New macro. (%store-monad, store-return, store-bind): Define as aliases of the corresponding %STATE-MONAD part. (store-lift, text-file, interned-file): Return STORE as a second value. (run-with-store): Use 'run-with-state'. * guix/packages.scm (set-guile-for-build, package-file): Return STORE as a second value. * guix/monads.scm: Remove part of the module commentary. Ludovic Courtès
2015-01-16Merge branch 'core-updates'...Conflicts: gnu/packages/bootstrap.scm Ludovic Courtès
2015-01-14packages: Convert source derivations to monadic style....* 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. Ludovic Courtès
2015-01-14monads: Move '%store-monad' and related procedures where they belong....This turns (guix monads) into a generic module for monads, and moves the store monad and related monadic procedures in their corresponding module. * guix/monads.scm (store-return, store-bind, %store-monad, store-lift, text-file, interned-file, package-file, package->derivation, package->cross-derivation, origin->derivation, imported-modules, compiled, modules, built-derivations, run-with-store): Move to... * guix/store.scm (store-return, store-bind, %store-monad, store-lift, text-file, interned-file): ... here. (%guile-for-build): New variable. (run-with-store): Moved from monads.scm. Remove default value for #:guile-for-build. * guix/packages.scm (default-guile): Export. (set-guile-for-build): New procedure. (package-file, package->derivation, package->cross-derivation, origin->derivation): Moved from monads.scm. * guix/derivations.scm (%guile-for-build): Remove. (imported-modules): Rename to... (%imported-modules): ... this. (compiled-modules): Rename to... (%compiled-modules): ... this. (built-derivations, imported-modules, compiled-modules): New procedures. * gnu/services/avahi.scm, gnu/services/base.scm, gnu/services/dbus.scm, gnu/services/dmd.scm, gnu/services/networking.scm, gnu/services/ssh.scm, gnu/services/xorg.scm, gnu/system/install.scm, gnu/system/linux-initrd.scm, gnu/system/shadow.scm, guix/download.scm, guix/gexp.scm, guix/git-download.scm, guix/profiles.scm, guix/svn-download.scm, tests/monads.scm: Adjust imports accordingly. * guix/monad-repl.scm (default-guile-derivation): New procedure. (store-monad-language, run-in-store): Use it. * build-aux/hydra/gnu-system.scm (qemu-jobs): Add explicit 'set-guile-for-build' call. * guix/scripts/archive.scm (derivation-from-expression): Likewise. * guix/scripts/build.scm (options/resolve-packages): Likewise. * guix/scripts/environment.scm (guix-environment): Likewise. * guix/scripts/system.scm (guix-system): Likewise. * doc/guix.texi (The Store Monad): Adjust module names accordingly. Ludovic Courtès
2014-12-27packages: Add 'file-pattern' field to 'search-path-specification'....* guix/packages.scm (<search-path-specification>)[file-pattern]: New field. (search-path-specification->sexp): Honor it. Ludovic Courtès
2014-12-27build-support/gnu: Add support for file patterns in search paths....* guix/build/utils.scm (search-path-as-list): Add #:pattern parameter and honor it. (set-path-environment-variable): Likewise, and pass it to 'search-path-as-list'. * guix/packages.scm (search-path-specification->sexp): Add PATTERN slot. * guix/build/gnu-build-system.scm (set-paths): Adjust accordingly. Ludovic Courtès
2014-12-27packages: Add 'file-type' field to 'search-path-specification'....Fixes <http://bugs.gnu.org/18033>. * guix/packages.scm (<search-path-specification>): Rename 'directories' field to 'files'. Add 'file-type'. (search-path-specification->sexp): Honor 'file-type'. * gnu/packages/autotools.scm, gnu/packages/bootstrap.scm, gnu/packages/cross-base.scm, gnu/packages/games.scm, gnu/packages/gcc.scm, gnu/packages/glib.scm, gnu/packages/guile.scm, gnu/packages/man.scm, gnu/packages/perl.scm, gnu/packages/pkg-config.scm, gnu/packages/python.scm, gnu/packages/ruby.scm, gnu/packages/xfce.scm: Change 'directories' to 'files'. * tests/packages.scm ("search paths"): Change 'directories' field to 'files'. * guix/scripts/environment.scm (for-each-search-path): Likewise. Ludovic Courtès
2014-12-27build-system/gnu: Add support for non-directory search paths....Partly fixes <http://bugs.gnu.org/18033>. * guix/build/utils.scm (search-path-as-list): Rename 'sub-directories' parameter to 'files'. Add #:type parameter and honor it. (set-path-environment-variable): Likewise. Pass #:type to 'search-path-as-list'. * guix/packages.scm (search-path-specification->sexp): Add 'directory as the last item of the tuple. * guix/build/gnu-build-system.scm (set-paths): Add 'type' to search-path pattern. Pass #:type to 'set-path-environment-variable'. Ludovic Courtès
2014-12-26Merge branch 'master' into core-updatesLudovic Courtès
2014-12-26packages: Apply patches with "patch --force"....Fixes <http://bugs.gnu.org/19402>. Reported by Mark H Weaver <mhw@netris.org>. * guix/packages.scm (patch-and-repack): Change "--batch" to "--force". Ludovic Courtès
2014-12-21Optimize package-transitive-supported-systems....* guix/packages.scm (first-value): Remove. (define-memoized/v): New macro. (package-transitive-supported-systems): Rewrite. Mark H Weaver
2014-12-02packages: Use the target's system Guile when downloading patches....* guix/packages.scm (patch-and-repack)[patch-inputs]: Pass SYSTEM in 'package-source-derivation' call. Ludovic Courtès
2014-11-03packages: 'package-transitive-supported-systems' accounts for indirect deps....Reported by Andreas Enge <andreas@enge.fr>. * guix/packages.scm (first-value): New macro. (package-transitive-supported-systems): Rewrite to traverse all the DAG rooted at PACKAGE. * tests/packages.scm ("package-transitive-supported-systems"): Add 'd' and 'e', and test them. Ludovic Courtès
2014-11-02packages: Implement grafts....Thanks to Mark H. Weaver <mhw@netris.org> for insightful discussions and suggestions. * guix/packages.scm (<package>)[graft]: New field. (patch-and-repack): Invoke 'package-derivation' with #:graft? #f. (package-source-derivation): Likewise. Do not use (%guile-for-build) in call to 'patch-and-repack', and we could end up using a grafted Guile. (expand-input): Likewise, also for 'package-cross-derivation' call. (package->bag): Add #:graft? parameter. Honor it. Use 'strip-append' instead of 'package-full-name'. (input-graft, input-cross-graft, bag-grafts, package-grafts): New procedures. (package-derivation, package-cross-derivation): Add #:graft? parameter and honor it. * gnu/packages/bootstrap.scm (package-with-bootstrap-guile): Add recursive call on 'graft'. * guix/build-system/gnu.scm (package-with-explicit-inputs, package-with-extra-configure-variable, static-package): Likewise. (gnu-build): Use the ungrafted Guile to avoid full rebuilds. (gnu-cross-build): Likewise. * guix/build-system/cmake.scm (cmake-build): Likewise. * guix/build-system/glib-or-gtk.scm (glib-or-gtk-build): Likewise. * guix/build-system/perl.scm (perl-build): Likewise. * guix/build-system/python.scm (python-build): Likewise. * guix/build-system/ruby.scm (ruby-build): Likewise. * guix/build-system/trivial.scm (guile-for-build): Likewise. * tests/packages.scm ("package-derivation, direct graft", "package-cross-derivation, direct graft", "package-grafts, indirect grafts", "package-grafts, indirect grafts, cross", "package-grafts, indirect grafts, propagated inputs", "package-derivation, indirect grafts"): New tests. ("bag->derivation", "bag->derivation, cross-compilation"): Wrap in 'parameterize'. * doc/guix.texi (Security Updates): New node. (Invoking guix build): Document --no-graft. Ludovic Courtès
2014-10-17packages: Add 'package-transitive-supported-systems'....* guix/packages.scm (package-transitive-supported-systems): New procedure. * tests/packages.scm ("package-transitive-supported-systems"): New test. * build-aux/hydra/gnu-system.scm (package->job): Use it. Ludovic Courtès
2014-10-17packages: Improve the package-to-derivation cache....* guix/packages.scm (cache): Preserve the former values associated with PACKAGE. (cached): Bind SYSTEM in 'let', to prevent double evaluation. Ludovic Courtès
2014-10-08packages: Gracefully print packages whose 'location' is #f....* guix/packages.scm (<package> printer): Check whether LOC is #f. * tests/packages.scm ("printer with location", "printer without location"): New tests. Ludovic Courtès
2014-10-06hydra: Honor 'package-supported-systems'....* guix/packages.scm (%supported-systems): New variable. (<package>)[platforms]: Rename to... [supported-systems]: ... this. Change default to %SUPPORTED-SYSTEMS. * build-aux/hydra/gnu-system.scm (job-name, package->job): New procedures, formerly in 'hydra-jobs'. Honor 'package-supported-systems'. (hydra-jobs): Use them. Ludovic Courtès
2014-10-05build-system: Bags record their system and target....* guix/build-system.scm (<bag>)[system, target]: New fields. (make-bag): Add #:system parameter and pass it to LOWER. * gnu/packages/bootstrap.scm (make-raw-bag): Initialize 'system' field. * guix/build-system/cmake.scm (lower): Likewise. * guix/build-system/perl.scm (lower): Likewise. * guix/build-system/python.scm (lower): Likewise. * guix/build-system/ruby.scm (lower): Likewise. * guix/build-system/trivial.scm (lower): Likewise. * guix/build-system/gnu.scm (lower): Initialize 'system' and 'target' fields. * guix/packages.scm (bag->derivation, bag->cross-derivation): New procedures. (package-derivation, package-cross-derivation): Use 'bag->derivation'. * tests/packages.scm ("search paths"): Initialize 'system' and 'target' fields. ("package->bag", "package->bag, cross-compilation", "bag->derivation", "bag->derivation, cross-compilation"): New tests. Ludovic Courtès
2014-10-05build-system: Introduce "bags" as an intermediate representation....* 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. Ludovic Courtès
2014-09-24packages: Allow use of origins as patches....* guix/packages.scm (patch-and-repack)[patch-inputs]: Use 'add-to-store' only if the PATCH is a file name, and 'package-source-derivation' if PATCH is an origin. Ludovic Courtès
2014-08-28gnu: Split (gnu packages base), adding (gnu packages commencement)....* 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. Ludovic Courtès
2014-07-21Add comments about global memoization....* guix/build-system/gnu.scm (standard-inputs): Add comment about misplaced memoization. * guix/packages.scm (cache): Likewise. Ludovic Courtès
2014-07-20guix: refresh: Add --list-dependent option....* guix/packages.scm (package-direct-inputs): New procedure. * gnu/packages.scm (vhash-refq, package-direct-dependents) (package-transitive-dependents, package-covering-dependents): New procedures. * guix/scripts/refresh.scm (%options, show-help, guix-refresh): Add --list-dependent option. * doc/guix.texi (Invoking guix refresh): Document '--list-dependent' option. Eric Bavier
2014-07-11packages: Add printer for <origin>....* guix/packages.scm (print-origin): New procedure. (<origin>): Add it as record type printer. Ludovic Courtès
2014-04-12packages: Correctly handle patching for inputs with no extension....Reported by Manolis Ragkousis <manolis837@gmail.com>. * guix/packages.scm (patch-and-repack)[numeric-extension?]: Handle FILE-NAME with no extension. Ludovic Courtès
2014-03-10Change default store values from /nix/store to /gnu/store....* gnu/packages/ld-wrapper.scm (%store-directory): Change the default to /gnu/store. * guix/build/utils.scm (%store-directory): New procedure. (remove-store-references): Use it for the default value of 'store'. * guix/packages.scm (patch-and-repack)[builder]: Change default store to /gnu/store. Ludovic Courtès
2014-02-28packages: Support 'patches' and 'snippets' for sources that are directories....* guix/packages.scm (patch-and-repack)[numeric-extension?, tarxz-name]: New procedures. [builder]: Adjust to deal with SOURCE when it's a directory. <body>: Use 'tarxz-name'. Always add (guix build utils) to IMPORTED-MODULES. Ludovic Courtès
2014-02-21Add (guix git-download)....* guix/git-download.scm, guix/build/git.scm: New files. * Makefile.am (MODULES): Add them. * guix/packages.scm (<origin>): Fix comment for 'method' field. Ludovic Courtès
2013-12-04derivations: Use more keyword parameters for 'build-expression->derivation'....* guix/derivations.scm (build-expression->derivation): Turn 'system' and 'inputs' into keyword parameters. Adjust callers accordingly. * gnu/system/linux.scm, gnu/system/vm.scm, guix/build-system/cmake.scm, guix/build-system/gnu.scm, guix/build-system/perl.scm, guix/build-system/python.scm, guix/build-system/trivial.scm, guix/download.scm, guix/packages.scm, guix/profiles.scm, guix/scripts/pull.scm, tests/derivations.scm, tests/guix-build.sh, tests/monads.scm, tests/store.scm, tests/union.scm: Adjust users of 'build-expression->derivation' and 'derivation-expression' accordingly. * doc/guix.texi (Derivations): Adjust 'build-expression->derivation' documentation accordingly. (The Store Monad): Likewise for 'derivation-expression'. Ludovic Courtès
2013-11-20Merge branch 'master' into core-updates...Conflicts: guix/packages.scm Ludovic Courtès
2013-11-18packages: 'package-field-location' returns a relative file name....* guix/packages.scm (package-field-location): Set %FILE-PORT-NAME-CANONICALIZATION. * tests/packages.scm ("package-field-location, relative file name"): New test. Ludovic Courtès
2013-11-13packages: Suitably cope with indirect store paths as package sources....* guix/packages.scm (package-source-derivation): Don't let indirect store paths pass through. * tests/packages.scm ("package-source-derivation, indirect store path"): New test. Ludovic Courtès
2013-11-08Merge branch 'master' into core-updates...Conflicts: guix/packages.scm Ludovic Courtès
2013-11-07packages: Add a 'snippet' field to <origin>....* guix/packages.scm (<origin>): Add 'snippet', 'modules', and 'imported-modules' fields. (patch-and-repack): Make 'inputs' a keyword parameter. Add 'snippet', 'modules', and 'imported-modules' parameters. Accept SOURCE as a raw file name. Insert SNIPPET in BUILDER. Pass IMPORTED-MODULES to 'build-expression->derivation'. (package-source-derivation): Pass the extra arguments to 'patch-and-repack'. * tests/packages.scm ("package-source-derivation, snippet"): New test. * doc/guix.texi (Defining Packages): Mention the 'patches' and 'snippet' fields. (Invoking guix build): Tell that --source has patches and snippets applied. (Software Freedom): Mention packages that contain non-free code. Ludovic Courtès
2013-10-10packages: The 'patch-guile' field of <origin> is now a package....* guix/packages.scm (default-guile): Return a package instead of a derivation. (package-source-derivation): Adjust accordingly. Ludovic Courtès
2013-10-09packages: Add 'patches' and related fields to <origin>....See <https://lists.gnu.org/archive/html/guix-devel/2013-09/msg00137.html> for the rationale. * guix/packages.scm (<origin>)[patches, patch-flags, patch-inputs, patch-guile]: New fields. (%standard-patch-inputs, default-guile, patch-and-repack): New procedures. (package-source-derivation): When 'patches' is non-empty, call 'patch-and-repack'. * guix/utils.scm (file-sans-extension): New procedure. Ludovic Courtès
2013-09-25packages: Make the 'output' parameter of 'package-output' optional....* guix/packages.scm (package-output): Make the 'output' parameter optional. Ludovic Courtès
2013-09-18derivations: 'derivation' and related procedures return a single value....* 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. Ludovic Courtès