* guix/scripts/system.scm (perform-action) <reconfigure>: Add missing
  'return' expression.

* gnu/system/linux-initrd.scm (base-initrd): Add #:extra-modules
  parameter.

* guix/build/install.scm (directives): Add /var/db and /mnt.

* guix/scripts/system.scm (references*, topologically-sorted*,
  show-what-to-build*): New procedures.
  (copy-closure): Turn into a monadic procedure.
  (install): Likewise, and adjust parameter list.
  (switch-to-system): Likewise.
  (system-derivation-for-action, grub.cfg, maybe-build, perform-action):
  New procedures.
  (guix-system): Use them.

Partially fixes <http://bugs.gnu.org/18002>.
Reported by David Thompson <dthompson2@worcester.edu>.

* guix/build/vm.scm (qemu-command): Add optional 'system' parameter.
  Special-case "^i[3456]86$".
* gnu/system/vm.scm (system-qemu-image/shared-store-script): Use it.

* gnu/packages/games.scm (xboard, chess): New variables.

* gnu/services/networking.scm (tor-service): New procedure.
* doc/guix.texi (Networking Services): Document it.
* build-aux/hydra/demo-os.scm: Use it.  Add TOR and TORSOCKS to
  'packages'.

* gnu/services/networking.scm (static-networking-service): Use -i, -A,
  and --up with Inetutils' ifconfig.  Do 'route del -net default' only
  when GATEWAY is true.

* gnu/system.scm (%base-packages): Add WHICH.

* gnu/services/networking.scm (static-networking-service): Add
  #:provision parameter; use it.
* gnu/services/base.scm (%base-services): Call
  'static-networking-service' for "lo".

Partly fixes <http://bugs.gnu.org/18002>.
Reported by David Thompson <dthompson2@worcester.edu>.

* gnu/system.scm (union): Remove #:system parameter, which was unused.

Partly fixes <http://bugs.gnu.org/18002>.
Reported by David Thompson <dthompson2@worcester.edu>.

* guix/gexp.scm (gexp->derivation): Change #:system to default #f.
  Use (%current-system) from within the 'mlet*'.
* tests/gexp.scm ("gexp->derivation, default system"): New test.

* guix/monads.scm (mapm): Don't reverse LST, so that items are processed
  from left to right.  Bind the result of 'foldm' and reverse it.
* tests/monads.scm ("sequence"): Change 'frob' so it performs its side
  effect within an 'mlet' body.  Adjust call accordingly.

* gnu-system.am (GNU_SYSTEM_MODULES): Add new file.
* gnu/packages/links.scm: New file.

* doc/guix.texi (Using the Configuration System): Remove details about
  '%base-services', and link to "Services".
  (Services): Add introductory text.
  (Base Services, Networking Services, X Window): New nodes.

* gnu/services/base.scm (host-name-service): Use Texinfo markup.
  (mingetty-service): Comment on #:allow-empty-passwords?.  Improve
  markup.
  (syslog-service, guix-service): Use Texinfo markup.
* gnu/services/networking.scm (static-networking-service): Likewise.
* gnu/services/xorg.scm (slim-service): Likewise.

This fixes a bug whereby, if #:allow-root-passwords was #f, 'groupadd'
would ask for a password.  This is particularly problematic during
activation.

* gnu/system/linux.scm (rootok-pam-service): New procedure.
  (base-pam-services): Use it for all the user* and group* commands.

* guix/packages.scm (print-origin): New procedure.
  (<origin>): Add it as record type printer.

* gnu/packages/texlive.scm (texlive-extra-src, texlive-texmf-src,
  texlive): Upgrade to 2014.
  (texlive)[arguments]: Remove 'patch-perl-shebang' phase.

* gnu/packages/fish.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

* gnu/system/shadow.scm (%base-groups): Add "netdev".

* gnu/packages/linux.scm (linux-libre)[arguments]: Remove
  #:strip-flags, which led to unloadable modules.  This reverts
  commit 9ca7eaa1.
  [build-phase]: Add INSTALL_MOD_STRIP=1.

* gnu/packages/patches/glib-tests-timer.patch: New patch.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/glib.scm: Use it.

* gnu-system.am (dist_patch_DATA): Remove patch deleted previously.

* gnu/packages/vtk.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

* gnu/packages/plotutils.scm (plotutils): Move LIBXAW to from 'inputs'
  to 'propagated-inputs'.

* gnu/packages/linux.scm (kernel-config): Return #f rather than error
  out in the default case.
  (linux-libre)[native-inputs]: Add "kconfig" input only when
  'kernel-config' returns true.
  [build-phase]: Adjust accordingly.

* gnu/packages/linux.scm (linux-libre)[arguments]: Add #:strip-flags.

Thanks to Jason Self <jself@gnu.org> for the kernel configs.

* gnu/packages/linux.scm (kernel-config): New procedure.
  (linux-libre)[build-phase]: Copy it to .config.  Reduce the list of
  things appended to .config.
  [native-inputs]: Add "kconfig" input.
* gnu/packages/linux-libre-i686.conf,
  gnu/packages/linux-libre-x86_64.conf: New files, from
  <http://jxself.org/x86-32.txt> and <http://jxself.org/x86-64.txt>.
* Makefile.am (KCONFIGS): New variable.
  (nobase_dist_guilemodule_DATA): Add it.

* gnu/services/base.scm (udev-service)[start]: Add 'wait-for-udevd', and
  call it before running 'udevadm trigger'.  Pass --action=add to
  'udevadm trigger'.  Call 'udevadm settle' after 'udevadm trigger'.

* gnu/services/xorg.scm (xorg-start-command)[xserver.conf]: Remove
  sections "Monitor", "InputClass", "ServerLayout", "Device", and
  "Screen".

* gnu/services/xorg.scm: Add 'udev' to the 'requirement' field.

* gnu/services/xorg.scm (xorg-start-command)[xserver.conf]: Add
  'ModulePath' entries for xf86-video-{fbdev,cirrus,intel,mach64,nv} and
  xf86-input-{synaptics,vmmouse}.

* gnu/services/xorg.scm (xorg-start-command)[xserver.conf]: Fix typo in
  font path.

* gnu-system.am (GNU_SYSTEM_MODULES): Add new file.
* gnu/packages/telephony.scm: New file.

* guix/scripts/system.scm (switch-to-system): Add #:system parameter;
  pass it to 'run-with-store'.
  (%options): Add '--system'.
  (guix-system): Pass the 'system' option to 'run-with-store',
  'package-derivation', and 'switch-to-system' calls.
* doc/guix.texi (Invoking guix system): Document '--system' and
  '--image-size'.

* gnu-system.am (GNU_SYSTEM_MODULES): Add new package.
* gnu/packages/conkeror.scm: New file.

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

* gnu/packages/tor.scm (tor): Upgrade to 0.2.4.22.

* gnu/services/avahi.scm (avahi-service)[start]: Wrap command in a
  list.
* gnu/services/dbus.scm (dbus-service)[start]: Likewise.
* gnu/services/ssh.scm (lsh-service): Likewise.
* gnu/services/base.scm (mingetty-service)[start]: Likewise.
  (nscd-service)[start]: Likewise.
  (syslog-service)[start]: Likewise.
  (guix-service)[start]: Likewise.
  (udev-service)[start]: Use 'exec-command' instead of 'execl'.
* gnu/services/xorg.scm (slim-service)[start]: Likewise, and use
  #:environment-variables.