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

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

Suggested by Adam Pribyl <pribyl@lowlevel.cz>.

* gnu/services/ssh.scm (lsh-service): Update docstring with xrefs to
  the lsh manual.  Fix typos.
* doc/guix.texi (Networking Services): Synchronize.

* gnu/packages/fonts.scm (font-liberation): New variable.

* gnu/packages/xfig.scm (xfig): Set XAPPLRESDIR environment variable to help
  xfig find the app-defaults resource files.

* doc/guix.texi (Base Services): Fix 'lsh-service' name.
  (Networking Services): Fix (gnu services networking) module name.

* gnu/packages/dictionaries.scm (vera): Update to 1.22.

* gnu/packages/disk.scm (ddrescue): Update to 1.19.

Reported by Nikita Karetnikov.

* gnu/system/install.scm (installation-os)[packages]: Add CRYPTSETUP.
* doc/guix.texi (System Installation): Mention it.

* gnu/packages/cdrom.scm (libcdio): Update to 0.93.

* doc/guix.texi (User Accounts): Fix cross-references to libc and guile.

* guix/store.scm (set-build-options): exchange default argument values

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

* doc/guix.texi (Fonts): New section.
  (Package naming): Reference the new section.

* gnu/packages/games (abbaye): Create '/share/pixmaps' directory
  before installing.

* gnu/packages/xorg.scm (xf86-video-openchrome): Add patch for build failure
    with glibc-2.20. Fixes bug #18740.
* gnu/packages/patches/xf86-video-openchrome-includes.patch: New file.
* gnu-system.am (dist_patch_DATA): Register patch.

* gnu/packages/maths.scm (atlas): Add MIPS specific configure flags.

* gnu/packages/gimp.scm (gegl): Disable tests since failures are apparently
    not taken care of in upstream releases.

* gnu/packages/video.scm (youtube-dl): Update to 2014.11.21.1.

* gnu/packages/linux.scm (linux-libre): Update to version 3.17.4.

  corresponding configure flags.

* gnu/packages/qt.scm (libxkbcommon): Add inputs libx11 and xkeyboard-config.
    Use configure flags to set XKB config root and X11 locale root
    directories.

* gnu/packages/qt.scm (qt): Add input ruby.

* gnu/packages/avr.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add avr.scm.
* gnu/packages/cross-base.scm (xgcc-avr): New variable.
* gnu/packages/bootstrap.scm (glibc-dynamic-linker): Add case for
  "avr".

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

Reported by Adam Pribyl <pribyl@lowlevel.cz>.

* doc/guix.texi (Using the Configuration System): Use #:root-login?, not
  #:allow-root-login?, in example.
  (Networking Services): Fix module name for ssh.

* gnu/packages/messaging.scm (hexchat): New variable.

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

* gnu/packages/qt.scm (libxkbcommon): Update to 0.5.0.
    Add input libxcb and native input pkg-config.

* gnu/packages/xorg.scm (xcb-util-renderutil): Update to 0.3.9.

* gnu/packages/xorg.scm (xcb-util-keysyms): Update to 0.4.0.

* gnu/packages/xorg.scm (xcb-util-image): Update to 0.4.0.

* gnu/packages/xorg.scm (xcb-util): Update to 0.4.0.

* gnu/packages/xorg.scm (libxcb): Update to 1.11.

* gnu/packages/xorg.scm (xcb-proto): Update to 1.11.

* gnu/packages/glib.scm (dbus)[replacement]: New field.
  (dbus-1.8.10): New variable.

* build-aux/hydra/gnu-system.scm (package->alist): Pass #:graft? #f.
  (package-cross-job): Adjust last argument of 'package->alist' to
  accept #:graft?.  This fixes the problem reported in commit a4803074.

* gnu/packages/linux.scm (pflask): New variable.

* guix/scripts/system.scm (system-derivation-for-action): Add #:mappings
  parameter.  Pass it to 'system-qemu-image/shared-store-script'.
  (perform-action): Likewise.
  (show-help): Document --share and --expose.
  (specification->file-system-mapping): New procedure.
  (%options): Add --share and --expose.
  (guix-system): Pass #:mapping to 'perform-action'.
* doc/guix.texi (Invoking guix system): Document it.

* gnu/system/vm.scm (<file-system-mapping>): New record type.
  (%store-mapping): New variable.
  (host-9p-file-system): Rename to...
  (mapping->file-system): ... this.  Replace 'source' and 'target'
  parameters with 'mapping'.  Set 'flags' field.
  (virtualized-operating-system): Add 'mappings' parameter and  honor
  it.
  (system-qemu-image/shared-store-script): Add 'mappings' parameter.
  Pass it to 'virtualized-operating-system'.  Use it in argument to
  'common-qemu-options'.

* gnu/system/vm.scm (file-system->mount-tag, host-9p-file-system): New
  procedures.
  (virtualized-operating-system): Use 'host-9p-file-system' for the
  store.
  (common-qemu-options): Add 'shared-fs' parameter.
  [virtfs-option]: New procedure.
  Use it.
  (system-qemu-image/shared-store-script): Adjust accordingly.

* gnu/build/linux-boot.scm (mount-root-file-system): Remove 'catch #t'
  around body.  This was unneeded and even inconvenient because this
  procedure is called from within 'call-with-error-handling' already.

* emacs/guix-backend.el (guix-start-repl): Add GUIX-LOAD-PATH to the
  front of GEISER-GUILE-LOAD-PATH instead of overriding it.

Fixes <http://bugs.gnu.org/19119>.
Reported by David Thompson <dthompson2@worcester.edu>.

* gnu/services/xorg.scm (xinitrc): Augment $PATH to include
  ~/.guix-profile/bin.

* gnu/build/file-systems.scm (mount-file-system): When OPTIONS is false,
  write "rw" to /etc/mtab.  This fixes a bug whereby 'remove-from-mtab'
  in (guix syscalls) would otherwise raise a 'match-error' because of
  the missing field.  This affected file systems mounted from the
  initrd, such as devtmpfs, which has options == #f.