* guix/ui.scm (show-what-to-build*): New procedure. * guix/scripts/environment.scm (show-what-to-build*): Delete. * guix/scripts/system.scm (show-what-to-build*): Likewise. * build-aux/make-binary-tarball.scm (show-what-to-build*): Likewise.
This script is used by the target added in 9d3fb6c. * build-aux/make-binary-tarball.scm: New file. * Makefile.am (EXTRA_DIST): Add it.