* 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>
* guix/scripts/environment.scm (show-help): Align --pure and --search-paths with other long options; add 'newline' call before 'show-bug-report-information' call.
* guix/scripts/environment.scm: New file. * Makefile.am (MODULES): Add it. * doc/guix.texi ("Invoking guix environment"): New node.
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