import: stackage: Compile only if guile-json is available.

* Makefile.am (MODULES): Move "guix/import/stackage.scm" within
"if HAVE_GUILE_JSON".  Sort the modules within that conditional.

build: Install .go files to $libdir/guile/X.Y.

* configure.ac: Define and substitute 'guileobjectdir'.
* Makefile.am (nobase_nodist_guilemodule_DATA): Remove $(GOBJECTS).
(nobase_nodist_guileobject_DATA): New variable.
(guix_install_go_files): Adjust accordingly.
(install-data-hook): Likewise.
* scripts/guix.in (config-lookup): Add 'exec_prefix' and
'guileobjectdir'.  Add '_' in VAR-REF-REGEXP.
(maybe-augment-load-paths!): Distinguish OBJECT-DIR from MODULE-DIR.

utils: Move base16 procedures to (guix base16).

* guix/utils.scm (bytevector->base16-string, base16-string->bytevector):
Move to...
* guix/base16.scm: ... here.  New file.
* tests/utils.scm ("bytevector->base16-string->bytevector"): Move to...
* tests/base16.scm: ... here.  New file.
* Makefile.am (MODULES): Add guix/base16.scm.
(SCM_TESTS): Add tests/base16.scm.
* build-aux/download.scm, guix/derivations.scm,
guix/docker.scm, guix/import/snix.scm, guix/pk-crypto.scm,
guix/scripts/authenticate.scm, guix/scripts/download.scm,
guix/scripts/hash.scm, guix/store.scm, tests/hash.scm,
tests/pk-crypto.scm: Adjust imports accordingly.

pack: Add unit test.

* guix/scripts/pack.scm (self-contained-tarball): Add #:tar option.
[build](tar-supports-sort?): New variable.  Use it.
* tests/pack.scm: New file.
* Makefile.am (SCM_TESTS): Add it.

pack: Add '--localstatedir' option.

* guix/scripts/pack.scm (self-contained-tarball): Add #:localstatedir?
parameter and honor it.
(%options, show-help): Add '--localstatedir'.
(guix-pack): Honor it.
* gnu/build/install.scm (populate-single-profile-directory): Add
 #:register? parameter and honor it.
* doc/guix.texi (Binary Installation): Use '--localstatedir' in
example.
(Invoking guix pack): Document it.

Add 'guix pack'.

* gnu/system/install.scm (self-contained-tarball): Move to...
* guix/scripts/pack.scm: ... here.  New file.
* doc/guix.texi (Binary Installation): Mention 'guix pack'.
(Invoking guix pack): New node.
* build-aux/make-binary-tarball.scm: Remove.
* Makefile.am (MODULES): Add guix/scripts/pack.scm.
(EXTRA_DIST): Remove build-aux/make-binary-tarball.scm.
(guix-binary.%.tar.xz): Rewrite using 'guix pack'.
* build-aux/hydra/gnu-system.scm (tarball-jobs): Adjust accordingly.

gnu: emacs: Move "guix-emacs.el" to "aux-files".

* emacs/guix-emacs.el: Rename to...
* gnu/packages/aux-files/emacs/guix-emacs.el: ... this.
* Makefile.am (AUX_FILES): Add it.
* gnu/packages/emacs.scm (emacs)[inputs]: Remove 'guix' source.
[native-inputs]: Add "guix-emacs.el" auxiliary file.
[arguments]: Adjust 'install-site-start' phase accordingly.

gnu: linux: Move configuration files to "aux-files".

* gnu/packages/linux-libre-4.1-i686.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.1-i686.conf: ... this.
* gnu/packages/linux-libre-4.1-x86_64.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.1-x86_64.conf: ... this.
* gnu/packages/linux-libre-4.4-i686.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.4-i686.conf: ... this.
* gnu/packages/linux-libre-4.4-x86_64.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.4-x86_64.conf: ... this.
* gnu/packages/linux-libre-4.9-i686.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.9-i686.conf: ... this.
* gnu/packages/linux-libre-4.9-x86_64.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.9-x86_64.conf: ... this.
* gnu/packages/linux-libre-4.10-i686.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.10-i686.conf: ... this.
* gnu/packages/linux-libre-4.10-x86_64.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.10-x86_64.conf: ... this.
* gnu/packages/linux.scm (kernel-config): Use 'search-auxiliary-file' to
find configuration files.
* Makefile.am (KCONFIGS): Rename to...
(AUX_FILES): ... this.  Adjust accordingly.

Merge branch 'master' into python-tests

gnu: linux-libre: Update to 4.10.  Keep 4.9 as longterm release.

* gnu/packages/linux.scm (%linux-libre-version): Update to 4.10.
(%linux-libre-hash): Update hash.
(linux-libre-4.9): New variable.
* gnu/packages/linux-libre-4.10-x86_64.conf,
gnu/packages/linux-libre-4.10-i686.conf: New files.
* Makefile.am (KCONFIGS): Add them.

Merge branch 'master' into python-tests

gnu: Add dub-build-system.

* guix/build-system/dub.scm: New file.
* guix/build/dub-build-system.scm: New file.
* Makefile.am (MODULES): Add them.
* doc/guix.texi: Add section for dub-build-system.

import: Add stackage importer and updater.

* guix/import/stackage.scm: New file.
* guix/scripts/import/stackage.scm: New file.
* Makefile.am (MODULES): Add new files.
* guix/scripts/import.scm (importers): Add "stackage".
* guix/scripts/refresh.scm (%updaters): Add %stackage-updater.
* doc/guix.texi (Invoking 'guix import'): Document the importer.
  (Invoking 'guix refresh'): Add stackage to option --type valid values.
* guix/import/hackage.scm (guix-package->hackage-name, hackage-fetch,
  hackage-source-url, hackage-cabal-url, hackage-package?): Export them.

Add (guix memoization).

* guix/combinators.scm (memoize): Remove.
* guix/memoization.scm: New file.
* Makefile.am (MODULES): Add it.
* gnu/packages.scm, gnu/packages/bootstrap.scm,
guix/build-system/gnu.scm, guix/build-system/python.scm,
guix/derivations.scm, guix/gnu-maintenance.scm,
guix/import/cran.scm, guix/import/elpa.scm,
guix/modules.scm, guix/scripts/build.scm,
guix/scripts/graph.scm, guix/scripts/lint.scm,
guix/store.scm, guix/utils.scm: Adjust imports accordingly.

Merge branch 'master' into python-tests

gnu: linux-libre: Update to 4.9.1.

* gnu/packages/linux.scm (%linux-libre-version, %linux-libre-hash)
(linux-libre): Update to 4.9.1.
* gnu/packages/linux-libre-4.8-x86_64.conf,
gnu/packages/linux-libre-4.8-i686.conf: Delete files.
* gnu/packages/linux-libre-4.9-x86_64.conf,
gnu/packages/linux-libre-4.9-i686.conf: New files.
* Makefile.am (KCONFIGS): Update accordingly.

guix: Add Docker image export.

* guix/docker.scm: New file.
* Makefile.am (MODULES): Register it.
* guix/scripts/archive.scm (show-help, %options, guix-archive): Add
support for "--format".
* doc/guix.texi (Invoking guix archive): Document it.

gnu: Add ocaml-build-system.

* guix/build/ocaml-build-system.scm: New file.
* guix/build-system/ocaml.scm: New file.
* Makefile.am (MODULES): Add them.
* gnu/packages/ocaml.scm (ocaml)[native-search-paths]: Adjuste OCAMLPATH.

Signed-off-by: David Craven <david@craven.ch>

Add 'guix copy'.

* guix/scripts/copy.scm: New file.
* guix/scripts/archive.scm (options->derivations+files): Export.
* doc/guix.texi (Invoking guix copy): New node.
* Makefile.am (MODULES) [HAVE_GUILE_SSH]: Add guix/scripts/copy.scm.
* po/guix/POTFILES.in: Likewise.

Add (guix ssh) module.

* guix/scripts/offload.scm (connect-to-remote-daemon)
(store-import-channel, store-export-channel, send-files)
(retrieve-files): Move to (guix ssh).
(nonce): Add optional 'name' parameter and use it.
(retrieve-files*): New procedure.
(transfer-and-offload): Use it instead of 'retrieve-files', and add
first parameter to 'send-files'.
(assert-node-can-import): Likewise.
(assert-node-can-export): Use 'retrieve-files' instead of
'store-export-channel'.
* guix/ssh.scm: New file.
* configure.ac: Use 'GUIX_CHECK_GUILE_SSH' and define 'HAVE_GUILE_SSH'
Automake conditional.
* Makefile.am (MODULES) [HAVE_GUILE_SSH]: Add guix/ssh.scm.