gnu: Add python-hacking.
* gnu/packages/openstack.scm (python-hacking,
python2-hacking): New variables.
gnu: Add python-flake8-2.2.4
* gnu/packages/python.scm (python-flake8-2.2.4,
python2-flake8-2.2.4): New variables.
gnu: Add python-mccabe 0.2.1
* gnu/packages/python.scm (python-mccabe-0.2.1,
python2-mccabe-0.2.1): New variables.
gnu: Update python-requests.
* gnu/packages/python.scm (python-requests, python2-requests): Bump to 2.8.0.
import: pypi: Use "pypi-uri" instead of building the URL manually.
* guix/import/pypi.scm (make-pypi-sexp): Use "pypi-uri".
* tests/pypi.scm: Update the tests accordingly.
guix: Add a "pypi-uri" helper method.
* guix/download.scm (mirrors): New "pypi" mirror.
* guix/build-system/python.scm (pypi-uri): New method.
gnu: Add esmtp.
* gnu/packages/mail.scm (esmtp): New public variable.
gnu: Add libesmtp.
* gnu/packages/mail.scm (libesmtp): New public variable.
system: Rename (gnu system linux) to (gnu system pam).
* gnu/system/linux.scm: Rename to...
* gnu/system/pam.scm: ... this.
* gnu-system.am (GNU_SYSTEM_MODULES): Adjust accordingly.
* gnu.scm, gnu/services/base.scm, gnu/services/desktop.scm,
gnu/services/networking.scm, gnu/services/ssh.scm,
gnu/services/xorg.scm, gnu/system.scm, gnu/system/vm.scm: Likewise.
services: Add 'guix-publish-service'.
* gnu/services/base.scm (<guix-publish-configuration>): New record
type.
(guix-publish-dmd-service): New procedure.
(%guix-publish-accounts, guix-publish-service-type): New variables.
(guix-publish-service): New procedure.
* doc/guix.texi (Invoking guix publish): Add xref to
'guix-publish-service' anchor.
(Base Services): Document 'guix-publish-service'.
scripts: environment: Display friendly container error messages.
* guix/scripts/environment.scm (assert-container-features): New
procedure.
(guix-environment): Use it.
build: container: Add feature test predicates.
* gnu/build/linux-container.scm (user-namespace-supported?,
unprivileged-user-namespace-supported?, setgroups-supported?): New
procedures.
* tests/container.scm: Use predicates.
* tests/syscalls.scm: Likewise.
gnu: nestopia-ue: Use system zlib.
* gnu/packages/games.scm (nestopia-ue): Remove bundled zlib, patch files
to include system zlib.h, and add zlib as input.
gnu: gst-libav: Update to 1.6.1.
* gnu/packages/gstreamer.scm (gst-libav): Update to 1.6.1.
gnu: gst-plugins-ugly: Update to 1.6.1.
* gnu/packages/gstreamer.scm (gst-plugins-ugly): Update to 1.6.1.
gnu: gst-plugins-good: Update to 1.6.1.
* gnu/packages/gstreamer.scm (gst-plugins-good): Update to 1.6.1.
gnu: gst-plugins-base: Update to 1.6.1.
* gnu/packages/gstreamer.scm (gst-plugins-base): Update to 1.6.1.
[arguments]: Disable parallel tests.
gnu: gstreamer: Update to 1.6.1.
* gnu/packages/gstreamer.scm (gstreamer): Update to 1.6.1.
[arguments]: Remove #:make-flags.
gnu: guix: Do not retain dependency on Graphviz.
* gnu/packages/package-management.scm (guix-devel)[arguments]: Add
ac_cv_path_DOT_USER_PROGRAM=dot to #:configure-flags.
doc: Linux-libre 3.19 is needed for using containers.
* doc/guix.texi ("invoking guix environment", "invoking guix system"):
3.10 is actually too old without backported patches, so change to 3.19.