* doc/guix.texi (Invoking guix pull): Clarify that 'guix pull' can't be
  easily rolled back.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

* guix/download.scm (%mirrors): Add "https://download.gnome.org".

* gnu/packages/polkit.scm (polkit-gnome): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

* gnu/packages/mail.scm (neomutt): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

This allows users to statically define several interfaces.

* gnu/services/networking.scm (<static-networking>)[provision]
[name-servers]: Add default values.
(static-networking-shepherd-service)
(static-networking-etc-files)
(static-networking-shepherd-services): New procedures.
(static-networking-service-type): Change to extend both
SHEPHERD-ROOT-SERVICE-TYPE and ETC-SERVICE-TYPE.
(static-networking-service): Remove default value of #:provision.
Implement using 'simple-service'.
* gnu/services/base.scm (%base-services): Replace
'static-networking-service' call with 'service' form.
* doc/guix.texi (Networking Services): Update documentation.

* gnu/packages/patches/libevent-2.1-skip-failing-test.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/libevent.scm (libevent)[source]: Use it.

* gnu/packages/bioinformatics.scm (r-edger)[propagated-inputs]: Add r-statmod.

* gnu/packages/games.scm (freeciv): New variable.

Signed-off-by: Kei Kebreau <kei@openmailbox.org>

* gnu/packages/compression.scm (zpaq): New variable.

From this suggestion by Ludovic Courtès:
<http://lists.gnu.org/archive/html/guix-devel/2016-09/msg01983.html>

* guix/download.scm (url-fetch/zipbomb): New procedure.

* guix/download.scm (url-fetch/tarbomb): Fall back to ‘file-name’ if
‘name’ is #f, like the regular ‘url-fetch’ does.
* gnu/packages/bioinformatics.scm (muscle)[source]: Remove ‘file-name’.
* gnu/packages/engineering.scm (fastcap)[source]: Likewise.
* gnu/packages/scheme.scm (scmutils)[source]: Likewise.

* gnu/packages/tor.scm (nyx): New variable.

* gnu/packages/tor.scm (tor, torsocks, privoxy, onionshare)[license]:
Add prefix.

* gnu/packages/video.scm (youtube-dl): Update to 2017.01.29.

* gnu/packages/python.scm (python-stem): Update to 1.5.4.

* gnu/packages/gstreamer.scm (gstreamer): Update to 1.10.3.
(gst-plugins-base): Likewise.
(gst-plugins-good): Likewise.
(gst-plugins-bad): Likewise.
(gst-plugins-ugly): Likewise.
(gst-libav): Likewise.
(python-gst): Likewise.

* gnu/packages/xorg.scm (xf86-video-intel): Update to 2.99.917-2-9fe04af.

* gnu/packages/benchmark.scm (fio)[arguments]: Add 'patch-paths' and
'wrap-python-scripts' phases.
[inputs]: Add GNUPLOT, PYTHON-2, PYTHON2-NUMPY and PYTHON2-PANDAS.

* gnu/packages/benchmark.scm (fio): Update to 2.17.

* gnu/packages/ftp.scm (lftp): Update to 4.7.5.
[source]: Rearrange mirrors.

* gnu/packages/telephony.scm (mumble): Update to 1.2.19.

* gnu/packages/search.scm (xapian): Update to 1.4.3.

* gnu/packages/u-boot.scm (dtc)[description]: Modify.

* gnu/system/shadow.scm (<user-account>)[shell]: Use 'file-append'.
(%base-user-accounts): Likewise.
* gnu/system/grub.scm (%background-image): Likewise.

Fixes <http://bugs.gnu.org/21108>.
Reported by Andy Patterson <ajpatter@uwaterloo.ca>
and Leo Famulari <leo@famulari.name>.

* gnu/build/activation.scm (activate-users+groups)[activate-user]: Pass
  #:create-home? #t iff CREATE-HOME? and SYSTEM?.
(activate-user-home): New procedure.
* gnu/system/shadow.scm (account-shepherd-service): New procedure.
(account-service-type)[extensions]: Add SHEPHERD-ROOT-SERVICE-TYPE
extension.
* gnu/tests/base.scm (run-basic-test)["home"]
["skeletons in home directories"]: New tests.
* gnu/tests/install.scm (%separate-home-os, %separate-home-os-source)
(%test-separate-home-os): New variables.

* gnu/packages/web.scm (nginx): Update to 1.11.9.

* gnu/packages/mg.scm (mg)[source]: Upgrade to 20161005.
[native-inputs]: Add pkg-config.
[inputs]: Add libbsd.
[arguments]: Use modify-phases.  Use #:make-flags rather than patching the
Makefile.  Install tutorial.
[description]:  Clarify relation to GNU Emacs.

* gnu/packages/text-editors.scm (joe): New variable.

* gnu/packages/libevent.scm (libevent): Update to 2.1.8.
[inputs]: Change 'python-wrapper' to 'python-2'. Move 'which' to ...
[native-inputs]: ... here. New field.
(libevent-2.0): New variable.
* gnu/packages/patches/libevent-2.1-dns-tests.patch,
  gnu/packages/patches/libevent-2.0-evdns-fix-remote-stack-overread.patch
  gnu/packages/patches/libevent-2.0-evdns-fix-searching-empty-hostnames.patch
  gnu/packages/patches/libevent-2.0-evutil-fix-buffer-overflow.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
* gnu/packages/gnuzilla.scm (icecat)[inputs]: Change 'libevent' to 'libevent-2.0'.

* guix/scripts/lint.scm (emit-warning): Use the "@" syntax.

* gnu/packages/linux.scm (mdadm): Update to 4.0.
[arguments]: Add "CC=gcc" to #:make-flags.

* gnu/packages/parallel.scm (parallel): Update to 20170122.

* gnu/packages/linux.scm (kbd): Update to 2.0.4.

* gnu/packages/gdb.scm (gdb): Update to 7.12.1.

* gnu/packages/xorg.scm (xcalc): Update to 1.0.6.

* gnu/services/base.scm (file-system-shepherd-services): New procedure.
(file-system-service-type): Use it as the SHEPHERD-ROOT-SERVICE-TYPE
extension.
(user-processes-service-type): Change to take a single 'grace-delay'
parameter.
(user-processes-service): Remove 'file-systems' parameter.  Pass
GRACE-DELAY as the only value for the service.
* gnu/system.scm (essential-services): Adjust accordingly.

Fixes <http://bugs.gnu.org/25573>.
Reported by Alex Kost <alezost@gmail.com>.

* gnu/build/file-systems.scm (seek*): New procedure.
(read-superblock): Use it instead of 'seek' and ensure it returns
OFFSET.

* gnu/packages/ocaml.scm (ocaml-bin-prot): New variable.