import cran: Export package predicates.

* guix/import/cran.scm (cran-package?, bioconductor-package?,
bioconductor-data-package?, bioconductor-experiment-package?): Export
procedures.

import cran: Add predicate for Bioconductor experiment packages.

* guix/import/cran.scm (bioconductor-experiment-package?): New variable.

import cran: Exclude experiment packages in predicate "bioconductor-package?".

* guix/import/cran.scm (bioconductor-package?): Exclude experiment packages,
because they cannot be updated with the default bioconductor updater.

import cran: Fetch DESCRIPTION files from Github mirror.

* guix/import/cran.scm (%bioconductor-svn-url): Remove variable.
(bioconductor-mirror-url): New procedure.
(fetch-description): Take a REPOSITORY symbol instead of a BASE-URL string.
(cran->guix-package): Pass REPOSITORY symbol to "fetch-description".
(latest-cran-release, latest-bioconductor-release): Adjust accordingly.
(bioconductor-package?): Update comment about SVN.

gnu: tor: Update to 0.3.0.7.

* gnu/packages/tor.scm (tor): Update to 0.3.0.7.

gnu: java-stringtemplate: Get closer to fixing tests.

* gnu/packages/java.scm (java-stringtemplate)[arguments]: Set test-dir and
override default test target.  Keep tests disabled because they fail for
unknown reasons.
[inputs]: Add java-junit.

gnu: Rename stringtemplate4-4.0.6 to java-stringtemplate-4.0.6.

* gnu/packages/java.scm (stringtemplate4-4.0.6): Rename this...
(java-stringtemplate-4.0.6): ...to this.
(antlr3)[propagated-inputs]: Adjust accordingly.

gnu: Rename stringtemplate4 to java-stringtemplate.

* gnu/packages/java.scm (stringtemplate4): Rename this...
(java-stringtemplate): ...to this.
(stringtemplate4-4.0.6)[inherit]: Adjust accordingly.
(antlr3)[inputs]: Likewise.

gnu: stringtemplate4: Prettify "generate-grammar" phase.

* gnu/packages/java.scm (stringtemplate4)[arguments]: Rewrite
"generate-grammar" phase to use "with-directory-excursion" and to report
success or failure.

gnu: stringtemplate4: Inherit from java-stringtemplate-3.

* gnu/packages/java.scm (stringtemplate4)[inherit]: Add
"java-stringtemplate-3" as parent.
[home-page, synopsis, description, license]: Inherit from parent.

gnu: java-stringtemplate-3: Use return value in build phase.

* gnu/packages/java.scm (java-stringtemplate-3)[arguments]: Let
build phase "generate-grammar" return success or failure.

gnu: java-stringtemplate-3: Enable tests.

* gnu/packages/java.scm (java-stringtemplate-3)[arguments]: Enable tests; add
build phase to fix tests.

gnu: java-stringtemplate-3: Do not hardcode version string.

* gnu/packages/java.scm (java-stringtemplate-3)[arguments]: Take current
version string.

gnu: Rename stringtemplate3 to java-stringtemplate-3.

* gnu/packages/java.scm (stringtemplate3): Replace this...
(java-stringtemplate-3): ...with this.
[name]: Change to "java-stringtemplate".
(stringtemplate4)[inputs]: Adjust accordingly.
(stringtemplate4-4.0.6)[inputs]: Likewise.
(antlr3)[inputs, propagated-inputs]: Likewise.
(antlr3-3.3)[propagated-inputs, arguments]: Likewise.
(antlr3-3.1)[propagated-inputs]: Likewise.

doc: Update the documentation for the asdf build systems.

* doc/guix.texi (Build Systems): Remove the no-longer relevant parts about
naming inputs.  Add documentation for the new parameters #:asd-system-name and
 #:test-asd-file.

build-system/asdf: Handle tests defined in external systems.

* guix/build-system/asdf.scm (asdf-build): Add a #:test-asd-file argument.
[builder]: Pass it to the build system.
(package-with-build-system)[transform]: Strip it from source systems' arguments.
* guix/build/asdf-build-system.scm (check): Pass the fully qualified path to
it on to the test-system procedure.
* guix/build/lisp-utils.scm (test-system): Load the file, or otherwise one of
the often used names for it, before running the tests.  Adjust the docstring
accordingly.

gnu: sbcl-slynk-boot0: Give the package an appropriate name.

* gnu/packages/lisp.scm (sbcl-slynk-boot0)[name]: Change it to reflect the
bootstrap status of the package.
[arguments]<#:asd-system-name>: Add the appropriate value.
(sbcl-slynk-arglists)[arguments]: Set the appropriate #:asd-file and forcibly
unset #:asd-system-name.
(sbcl-slynk)[name]: Change it to the variable name.
(cl-slynk)[name]: Likewise.

build-system/asdf: Retain references to source files for binary outputs.

In support of long-running programs in which the users would like to be able
to jump to the source of a definition of any of the dependencies (itself
included) of the program.

* guix/build/asdf-build-system.scm (library-outputs): Move from here ...
* guix/build/lisp-utils.scm (library-outputs): ... to here.
(build-program): Accept dependency-prefixes argument, to allow the caller to
specify references which should be retained.  Default to the library's output.
(build-image): Likewise.
(generate-executable): Likewise.
* gnu/packages/lisp.scm (sbcl-stumpwm+slynk, sbcl-slynk, sbcl-stumpwm): Adjust
accordingly to the new interface.
(sbcl-stumpwm+slynk)[native-inputs]: Move to ...
[inputs]: ... here.

build-system/asdf: Simplify the use of lisp-eval-program.

Accept a list of statements, each run within its own `--eval' argument. This
allows statements to use reader package namespacing after a package has been
loaded.

* guix/build/lisp-utils.scm (spread-statements): New procedure.
(lisp-invoke): Rename to ...
(lisp-invocation): ... this. Use spread-statements. Change interface to accept
list of statements instead of a single statement.
(asdf-load-all-systems): Simplify returned statements.
(compile-system): Simplify the program passed to `lisp-eval-program'.
(test-system): Likewise.
(generate-executable-for-system): Likewise. Accept the full symbol describing
the asdf operation to use.
(generate-executable): Document the change.
(build-program, build-image): Use the new interface.

gnu: Add cl-unicode.

* gnu/packages/lisp.scm (sbcl-cl-unicode-base, sbcl-cl-unicode)
(ecl-cl-unicode, cl-unicode): New variables.

Co-Authored-By: Andy Patterson <ajpatter@uwarerloo.ca>