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2016-03-23guix build: '--with-source' correctly matches versioned file names....* guix/scripts/build.scm: Use the right 'package-name->name+version' procedure. Fixes a regression introduced in 1b846da8c372bee78851439fd9e72b2499115e5a. * tests/scripts-build.scm ("options->transformation, with-source, with version"): New test. Ludovic Courtès
2016-03-08guix build: Add '--quiet'....Fixes <http://bugs.gnu.org/19772>. Reported by Andrei Osipov <andrspv@gmail.com>. * guix/scripts/build.scm (show-help, %options): Add --quiet. (guix-build): Parameterize 'current-build-output-port' accordingly. * doc/guix.texi (Invoking guix build): Use it in example. (Additional Build Options): Document it. Ludovic Courtès
2016-03-05guix build: Set the build options early....This fixes a bug whereby, with grafts leading to builds very early, build options such as --substitute-urls would not be taken into account yet. Reported by Andreas Enge <andreas@enge.fr>. * guix/scripts/build.scm (guix-build): Move 'opts' to the beginning. Use 'with-store' instead of 'open-connection'. Call 'set-build-options-from-command-line' right after 'with-store'. Ludovic Courtès
2016-03-03guix build: -S returns the replacement's source....Reported by Mark H Weaver. * guix/scripts/build.scm (options->derivations): When SRC and GRAFT? are true, use the source of P's replacement. * tests/guix-build.sh: Add test. Ludovic Courtès
2016-03-02guix build: Move '--no-grafts' to the common build options....* guix/scripts/build.scm (%options): Move --no-grafts to... (%standard-build-options): ... here. (show-help, show-build-options-help): Adjust accordingly. * guix/scripts/archive.scm (%default-options): Add 'graft?'. (guix-archive): Parametrize '%graft?'. * guix/scripts/environment.scm (%default-options): Add 'graft?'. (guix-environment): Parametrize '%graft?'. * guix/scripts/package.scm (%default-options): Add 'graft?'. (guix-package): Parametrize '%graft?'. * guix/scripts/system.scm (%default-options): Add 'graft?'. (guix-system): Parametrize 'graft?'. * doc/guix.texi (Additional Build Options): Move --no-grafts to... (Common Build Options): ... here. Ludovic Courtès
2016-02-22derivations: Move grafts to (guix grafts)....* guix/derivations.scm (<graft>, graft-derivation, %graft?) (set-grafting): Move to... * guix/grafts.scm: ... here. New file. * guix/gexp.scm, guix/packages.scm, tests/packages.scm, guix/scripts/build.scm: Use it. * Makefile.am (MODULES): Add it. (SCM_TESTS): Add tests/grafts.scm. * tests/derivations.scm ("graft-derivation"): Move to... * tests/grafts.scm: ... here. New file. Ludovic Courtès
2016-02-01guix build: Add '--with-input'....* guix/scripts/build.scm (transform-package-inputs): New procedure. (%transformations): Add it. (%transformation-options, show-transformation-options-help): Add --with-input. * tests/scripts-build.scm ("options->transformation, with-input"): ("options->transformation, with-input, no matches"): New tests. * tests/guix-build.sh: Add tests. * doc/guix.texi (Package Transformation Options): Document it. Ludovic Courtès
2016-02-01guix build: Separate transformation options....* guix/scripts/build.scm (%transformation-options): New variable. (show-transformation-options-help): New procedure. (show-help): Remove '--with-source' documentation and add 'show-transformation-options-help' call. (%options): Remove "with-source" and append %TRANSFORMATION-OPTIONS. * doc/guix.texi (Package Transformation Options): New node. Document '--with-source', moved from... (Additional Build Options): ... here. Ludovic Courtès
2016-02-01guix build: Transformations operate on single objects....* guix/scripts/build.scm (transform-package-source): Return a procedure that expects a single object rather than a list of packages. (options->transformation): Rewrite to precompute the list of applicable transformations and to return a procedure that expects a single object rather than a list of objects. (options->derivations): Adjust accordingly. * tests/scripts-build.scm: New file. * Makefile.am (SCM_TESTS): Add it. Ludovic Courtès
2016-01-19guix build: Add '--keep-going'....* guix/scripts/build.scm (show-build-options-help) (%standard-build-options): Add --keep-going. * guix/scripts/build.scm (set-build-options-from-command-line): Honor it. * doc/guix.texi (Invoking guix build): Document it. Ludovic Courtès
2015-12-30guix build: Augment %PATCH-PATH when -L is passed....Fixes <http://bugs.gnu.org/22259>. Reported by Nikolay Merinov <nikolay.merinov@member.fsf.org>. * guix/scripts/build.scm (%standard-build-options) <-L>: Augment %PATCH-PATH. * tests/guix-package.sh: Add test. Ludovic Courtès
2015-12-13guix build: Gracefully handle type errors in -e and -f....* guix/scripts/build.scm (options->things-to-build)[validate-type]: New procedure. [ensure-list]: Use it. Ludovic Courtès
2015-12-13guix build: Remove dead code....* guix/scripts/build.scm (options->things-to-build): Remove unused 'match' clause. Ludovic Courtès
2015-12-09guix build: Add '--check'....* guix/derivations.scm (build-derivations): Add optional 'mode' parameter. * guix/scripts/build.scm (%default-options): Add 'build-mode'. (show-help, %options): Add '--check'. (guix-build): Honor 'build-mode' key of OPTS. Pass it to 'show-what-to-build' and 'build-derivations'. * doc/guix.texi (Invoking guix build): Document it. (Substitutes): Mention it. Ludovic Courtès
2015-12-08guix build: Add '--rounds'....* guix/scripts/build.scm (show-build-options-help) (%standard-build-options): Add --rounds. (set-build-options-from-command-line): Honor it. * doc/guix.texi (Invoking guix build): Document it. * doc/contributing.texi (Submitting Patches): Mention it. Ludovic Courtès
2015-12-01guix build: Modularize transformation handling....* guix/scripts/build.scm (options/resolve-packages): Remove. (options->things-to-build, transform-package-source): New procedure. (%transformations): New variable. (options->transformation): New procedure. (options->derivations): Rewrite to use 'options->things-to-build' and 'options->transformation'. Ludovic Courtès
2015-11-29guix build: Factorize build log query....* guix/scripts/build.scm (show-build-log): New procedure. (guix-build): New variable 'items'. Use it and 'show-build-log'. Ludovic Courtès
2015-10-28store: Use the daemon's substitute URLs by default....Partly fixes <http://bugs.gnu.org/20217>. * guix/store.scm (set-build-options): Change #:substitute-urls to default to #f. Send the 'substitute-urls' pair only if SUBSTITUTE-URLS is true. * guix/scripts/build.scm (set-build-options-from-command-line): Do not default to %DEFAULT-SUBSTITUTE-URLS for #:substitute-urls. * guix/scripts/size.scm (%default-options): Remove 'substitute-urls'. Ludovic Courtès
2015-10-28scripts: build: Add --file option....* guix/scripts/build.scm (show-help): Add help text for --file option. (%options): Add --file option. (options/resolve-packages): Handle 'file' options. * tests/guix-build.sh: Add tests. * doc/guix.texi ("invoking guix build"): Add doc. David Thompson
2015-09-18ui: Add 'show-derivation-outputs'....* guix/scripts/build.scm (guix-build): Extract code from here and move to... * guix/ui.scm (show-derivation-outputs): ... here. New procedure. Alex Kost
2015-09-18Add (guix scripts)....* guix/ui.scm: Add missing copyright lines. (args-fold*, environment-build-options, %default-argument-handler, parse-command-line): Move to ... * guix/scripts.scm: ...here. New file. * guix/scripts/archive.scm: Use it. * guix/scripts/build.scm: Likewise. * guix/scripts/download.scm: Likewise. * guix/scripts/edit.scm: Likewise. * guix/scripts/environment.scm: Likewise. * guix/scripts/gc.scm: Likewise. * guix/scripts/graph.scm: Likewise. * guix/scripts/hash.scm: Likewise. * guix/scripts/import/cpan.scm: Likewise. * guix/scripts/import/cran.scm: Likewise. * guix/scripts/import/elpa.scm: Likewise. * guix/scripts/import/gem.scm: Likewise. * guix/scripts/import/gnu.scm: Likewise. * guix/scripts/import/hackage.scm: Likewise. * guix/scripts/import/nix.scm: Likewise. * guix/scripts/import/pypi.scm: Likewise. * guix/scripts/lint.scm: Likewise. * guix/scripts/package.scm: Likewise. * guix/scripts/publish.scm: Likewise. * guix/scripts/pull.scm: Likewise. * guix/scripts/refresh.scm: Likewise. * guix/scripts/size.scm: Likewise. * guix/scripts/system.scm: Likewise. * tests/ui.scm (with-environment-variable, "parse-command-line", "parse-command-line and --no options"): Move to ... * tests/scripts.scm: ...here. New file. * Makefile.am (MODULES): Add guix/scripts.scm. (SCM_TESTS): Add tests/scripts.scm. * po/guix/POTFILES.in: Add guix/scripts.scm. Alex Kost
2015-09-10guix build: '--log-file' can return URLs....* guix/scripts/build.scm (%default-log-urls): New variable. (log-url): New procedure. (guix-build): Use it. * doc/guix.texi (Invoking guix build): Document it. Ludovic Courtès
2015-07-13guix build: Add '--substitute-urls' client option....* guix/scripts/build.scm (%standard-build-options, show-build-options-help): Add --substitute-urls=URLS. (set-build-options-from-command-line): Honor it. * guix/store.scm (%default-substitute-urls): Make public. * doc/guix.texi (Substitutes): Add xref to the client --substitute-urls option. (Invoking guix build): Document it. (Invoking guix-daemon): Add 'daemon-substitute-urls' anchor. Ludovic Courtès
2015-06-11guix build: Allow directories to be passed to --with-source....* guix/scripts/build.scm (package-with-source)[tarball-base-name]: Gracefully handle file names that lack an extension. Pass #:recursive? #t to 'download-to-store'. * guix/download.scm (download-to-store): Add #:recursive? parameter and pass it to 'add-to-store'. * doc/guix.texi (Invoking guix build): Add an example of --with-source with a directory. Ludovic Courtès
2015-05-21scripts: Move 'set-build-options-from-command-line*' to (guix scripts build) ......* guix/scripts/build.scm (set-build-options-from-command-line*): New procedure. * guix/scripts/environment.scm (set-build-options-from-command-line*): Delete. David Thompson
2015-05-04guix: build: Fix indentation for --sources in help output....* guix/scripts/build.scm (show-help)[--sources]: Make indentation consistent with other long options. Eric Bavier
2015-05-02guix: 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. Eric Bavier
2015-02-26ui: Factorize command-line + env. var. option parsing....* guix/ui.scm (%default-argument-handler, parse-command-line): New procedures. (environment-build-options): Make private. * guix/scripts/archive.scm (guix-archive)[parse-options, parse-options-from]: Remove. Use 'parse-command-line' instead. * guix/scripts/build.scm (guix-build): Likewise. * guix/scripts/environment.scm (guix-environment): Likewise. * guix/scripts/package.scm (guix-package): Likewise. * guix/scripts/system.scm (guix-system): Likewise. * tests/ui.scm (with-environment-variable): New macro. ("parse-command-line"): New test. 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
2014-12-06guix: scripts: Parse $GUIX_BUILD_OPTIONS separately....Appending to "raw" args broke optional parameters in 'guix package -I' and 'guix package -A', and possibly other places. Therefore, switch to parsing each set of options on its own and append resulting alists together afterwards. * guix/scripts/archive.scm (parse-options-from): Rename from (parse-options) and add explicit argument. New form of (parse-options) using its old algorithm via -from function. * guix/scripts/build.scm: Ditto. * guix/scripts/environment.scm: Ditto. * guix/scripts/package.scm: Ditto. * guix/scripts/system.scm: Ditto. * tests/guix-package.sh: Add test. * doc/guix.texi (Invoking guix build): Make it clear that the options are parsed independently. Co-authored-by: Ludovic Courtès <ludo@gnu.org> nebuli
2014-11-30guix: scripts: Add GUIX_BUILD_OPTIONS environment handling....* doc/guix.texi (Invoking guix build): Mention 'GUIX_BUILD_OPTIONS'. * guix/scripts/archive.scm: (append args (environment-build-options)). * guix/scripts/build.scm: Ditto. * guix/scripts/environment.scm: Ditto. * guix/scripts/package.scm: Ditto. * guix/scripts/system.scm: Ditto. * guix/ui.scm (environment-build-options): New function. * guix/utils.scm (arguments-from-environment-variable): New function. * tests/guix-build.sh: Add tests. * test-env.in: Unset GUIX_BUILD_OPTIONS. Co-authored-by: Ludovic Courtès <ludo@gnu.org> nebuli
2014-11-25guix build: Add '--max-jobs' option....Suggested by Deck Pickard <deck.r.pickard@gmail.com>. * guix/scripts/build.scm (show-build-options-help): Document --max-jobs. (set-build-options-from-command-line): Pass #:max-build-jobs. (%standard-build-options): Add --max-jobs. * doc/guix.texi (Invoking guix-daemon): Document the meaning of '--max-jobs 0'. (Invoking guix build): Document --max-jobs, with a reference to "Invoking guix-daemon'. 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
2014-09-24guix build: Add -L/--load-path as a common option....* guix/scripts/build.scm (show-build-options-help): Document -L. (%standard-build-options): Add -L/--load-path. * tests/guix-package.sh: Test it. Ludovic Courtès
2014-09-03Move specification->package to gnu/packages.scm....* guix/scripts/build.scm (specification->package): Move from here... * gnu/packages.scm: ... to here. Cyril Roelandt
2014-06-14guix build: Allow gexps to be passed to '-e'....* guix/ui.scm (%guix-user-module): New variable. (read/eval): Pass it as the second argument to 'eval'. * guix/scripts/build.scm (options/resolve-packages): Add case for 'gexp?'. * tests/guix-build.sh: Add tests. * doc/guix.texi (Invoking guix build): Document '-e gexp'. guxi build: Allow gexps to be passed to '-e'. * guix/ui.scm (%guix-user-module): New variable. (read/eval): Pass it as the second argument to 'eval'. * guix/scripts/build.scm (options/resolve-packages): Add case for 'gexp?'. * tests/guix-build.sh: Add tests. * doc/guix.texi (Invoking guix build): Document '-e gexp'. Ludovic Courtès
2014-06-09guix build: Only 'guix build' sets #:print-build-trace....This makes 'guix package' et al. slightly less verbose, by not emitting "@ substituter-started" lines and similar. * guix/scripts/build.scm (set-build-options-from-command-line): Pass #:print-build-trace. (%default-options): Add 'print-build-trace?'. Ludovic Courtès
2014-03-13guix build: Support '--with-source' along with '-e'....* guix/scripts/build.scm (derivation-from-expression): Remove. (options->derivations): Handle pairs of the form "('argument . (? derivation?))". (options/resolve-packages): Add 'store' parameter; update caller. Add 'system' variable. Add case for 'expression pairs. * guix/scripts/archive.scm (derivation-from-expression): New procedure. Ludovic Courtès
2014-03-12guix build: Add '--with-source'....* guix/scripts/build.scm (package-with-source): New procedure. (show-help): Add '--with-source'. (%options): Likewise. (options->derivations): Call 'options/with-source' and 'options/resolve-packages'. (options/resolve-packages, options/with-source): New procedures. * doc/guix.texi (Invoking guix build): Document '--with-source'. Ludovic Courtès
2014-03-09guix build: Add '--timeout' to the common build options....* guix/scripts/build.scm (show-build-options-help): Document '--timeout'. (set-build-options-from-command-line): Pass #:timeout to 'set-build-options'. (%standard-build-options): Add '--timeout'. * doc/guix.texi (Invoking guix build): Document it. Ludovic Courtès
2014-03-01guix package: Use the common build options from (guix scripts build)....* guix/scripts/build.scm (%standard-build-options): Change option handlers to support multiple seeds. * guix/scripts/package.scm (show-help): Remove --dry-run, --fallback, --no-substitutes, and --max-silent-time. (%options): Likewise, and add %STANDARD-BUILD-OPTIONS. (%default-options): Add 'verbosity'. (guix-package): Call 'set-build-options-from-command-line' instead of 'set-build-options'. Ludovic Courtès
2014-02-18guix build: Factorize common options....* guix/scripts/build.scm (show-build-options-help, set-build-options-from-command-line): New procedures. (show-help): Remove description of --dry-run, --fallback, --no-substitutes, --max-silent-time, and --cores. Call 'show-build-options-help'. (%standard-build-options): New variable. (%options): Remove --dry-run, --fallback, --no-substitutes, --verbosity, --max-silent-time, and --cores. Add %STANDARD-BUILD-OPTIONS. (guix-build): Use 'set-build-options-from-command-line' instead of 'set-build-options'. * guix/scripts/archive.scm (show-help): Remove description of --dry-run, --fallback, --no-substitutes, --max-silent-time, and --cores. Call 'show-build-options-help'. (%options): Remove --dry-run, --fallback, --no-substitutes, --verbosity, --max-silent-time, and --cores. Add %STANDARD-BUILD-OPTIONS. (export-from-store): Call 'set-build-options-from-command-line' instead of 'set-build-options. Ludovic Courtès
2014-02-12guix build: Move 'set-build-options' call earlier....* guix/scripts/build.scm (guix-build): Move 'set-build-options' call before 'show-what-to-build'. Ludovic Courtès
2014-01-05guix build: Add '--no-build-hook'....* guix/scripts/build.scm (%default-options): Add 'build-hook?' pair. (show-help, %options): Add --no-build-hook. (guix-build): Pass the 'build-hook?' value to 'set-build-options'. * doc/guix.texi (Invoking guix build): Document '--no-build-hook'. Ludovic Courtès
2013-12-22Add 'guix archive'....* guix/scripts/archive.scm, tests/guix-archive.sh: New files. * Makefile.am (MODULES): Add 'archive.scm'. (SH_TESTS): Add 'guix-archive.sh'. * doc/guix.texi (Invoking guix archive): New section. * guix/scripts/build.scm: Export 'derivation-from-expression'. * guix/scripts/package.scm: Export 'specification->package+output'. Ludovic Courtès
2013-12-21guix build: Improve procedural decomposition....* guix/scripts/build.scm (%store): Remove. (derivation-from-expression): Add 'store' parameter. Adjust caller accordingly. (register-root): New procedure, formerly within 'guix-build'. (options->derivations): New procedure, formerly inline within 'guix-build'. (guix-build): Adjust accordingly. Ludovic Courtès
2013-12-21Factorize package search between 'guix package' and 'guix build'....* guix/scripts/package.scm (newest-available-packages): Remove. (find-best-packages-by-name): Move to... * gnu/packages.scm (find-best-packages-by-name): ... here. (find-newest-available-packages): Memoize. * guix/scripts/build.scm (specification->package): New procedure, formerly called 'find-package' within 'guix-build'. (guix-build): Adjust accordingly. Ludovic Courtès
2013-11-18guix build: '-e' can be passed a monadic thunk....* guix/ui.scm (read/eval): New procedure. (read/eval-package-expression): Use it. * guix/scripts/build.scm (derivations-from-package-expressions): Rename to... (derivation-from-expression): ... this. Accept procedures, under the assumption that they are monadic thunk. (show-help): Adjust accordingly. (guix-build): Ditto. * tests/guix-build.sh: Add test. * doc/guix.texi (Invoking guix build): Augment description of '-e'. Ludovic Courtès
2013-11-12guix build: Add '--log-file'....* guix/scripts/build.scm (show-help): Add '--log-file'. (%options): Likewise. (guix-build): Set %FILE-PORT-NAME-CANONICALIZATION. Honor '--log-file'. * tests/guix-build.sh: Add '--log-file' tests. * doc/guix.texi (Invoking guix build): Document '--log-file'. 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