list-packages: Use GuixSD logo and name.

* build-aux/list-packages.scm (packages->sxml): Change to use
  GuixSD-V.png and use the name "Guix System Distribution".

Merge branch 'master' into core-updates

build: Disable grafting in sanity checks.

* build-aux/check-available-binaries.scm: Wrap body in 'parameterize'
  form that clears '%graft?'.
* build-aux/check-final-inputs-self-contained.scm: Likewise.

Merge branch 'core-updates'

Conflicts:
	gnu/packages/bootstrap.scm

check-available-binaries: Use 'substitution-oracle'.

* build-aux/check-available-binaries.scm: Use 'substitution-oracle'.
  Changer caller and 'warn' accordingly.

check-available-binaries: Use 'with-store'.

* build-aux/check-available-binaries.scm: Use 'with-store' instead of an
  explicit 'open-connection'.

build: Use the canonical list of supported systems in 'assert-*'.

* build-aux/check-available-binaries.scm (%supported-systems): Remove.
* build-aux/check-final-inputs-self-contained.scm (%supported-systems):
  Remove.

monads: Move '%store-monad' and related procedures where they belong.

This turns (guix monads) into a generic module for monads, and moves the
store monad and related monadic procedures in their corresponding
module.

* guix/monads.scm (store-return, store-bind, %store-monad, store-lift,
  text-file, interned-file, package-file, package->derivation,
  package->cross-derivation, origin->derivation, imported-modules,
  compiled, modules, built-derivations, run-with-store): Move to...
* guix/store.scm (store-return, store-bind, %store-monad, store-lift,
  text-file, interned-file): ... here.
  (%guile-for-build): New variable.
  (run-with-store): Moved from monads.scm.  Remove default value for
  #:guile-for-build.
* guix/packages.scm (default-guile): Export.
  (set-guile-for-build): New procedure.
  (package-file, package->derivation, package->cross-derivation,
  origin->derivation): Moved from monads.scm.
* guix/derivations.scm (%guile-for-build): Remove.
  (imported-modules): Rename to...
  (%imported-modules): ... this.
  (compiled-modules): Rename to...
  (%compiled-modules): ... this.
  (built-derivations, imported-modules, compiled-modules): New
  procedures.
* gnu/services/avahi.scm, gnu/services/base.scm, gnu/services/dbus.scm,
  gnu/services/dmd.scm, gnu/services/networking.scm,
  gnu/services/ssh.scm, gnu/services/xorg.scm, gnu/system/install.scm,
  gnu/system/linux-initrd.scm, gnu/system/shadow.scm, guix/download.scm,
  guix/gexp.scm, guix/git-download.scm, guix/profiles.scm,
  guix/svn-download.scm, tests/monads.scm: Adjust imports accordingly.
* guix/monad-repl.scm (default-guile-derivation): New procedure.
  (store-monad-language, run-in-store): Use it.
* build-aux/hydra/gnu-system.scm (qemu-jobs): Add explicit
  'set-guile-for-build' call.
* guix/scripts/archive.scm (derivation-from-expression): Likewise.
* guix/scripts/build.scm (options/resolve-packages): Likewise.
* guix/scripts/environment.scm (guix-environment): Likewise.
* guix/scripts/system.scm (guix-system): Likewise.
* doc/guix.texi (The Store Monad): Adjust module names accordingly.

gnu: Add bootstrap binaries for 'armhf-linux'.

* gnu/packages/bootstrap/armhf-linux/bash,
  gnu/packages/bootstrap/armhf-linux/mkdir,
  gnu/packages/bootstrap/armhf-linux/tar,
  gnu/packages/bootstrap/armhf-linux/xz: New files.

* gnu-system.am (bootstrap_armhf_linuxdir, dist_bootstrap_armhf_linux_DATA)
  (nodist_bootstrap_armhf_linux_DATA): New variables.
  (DISTCLEANFILES): Add $(nodist_bootstrap_armhf_linux_DATA).
  (gnu/packages/bootstrap/armhf-linux/guile-2.0.11.tar.xz): New target.
* build-aux/download.scm (file-name->uri): Use newer date in URI for
  armhf-linux.
* gnu/packages/bootstrap.scm (raw-build): Use "guile-2.0.11.tar.xz" on
  armhf-linux.
  (glibc-dynamic-linker, %bootstrap-coreutils&co, %bootstrap-binutils)
  (%bootstrap-glibc, %bootstrap-gcc): Add armhf-linux cases.

* m4/guix.m4 (GUIX_SYSTEM_TYPE): Add armhf case.
  (GUIX_ASSERT_SUPPORTED_SYSTEM): Add armhf-linux to list of
  supported systems.
* doc/guix.texi (GNU Distribution): Add armhf-linux to the list of
  supported systems.

Merge branch 'master' into core-updates

list-packages: Expand 'mirror://' URIs for patches.

* build-aux/list-packages.scm (package->sxml)[patches](patch-url): Use
  'maybe-expand-mirrors' to get the real URL.

Merge branch 'master' into 'core-updates'.

system: Change "en_US.UTF-8" to "en_US.utf8".

* build-aux/hydra/demo-os.scm (locale): Change to "en_US.utf8".
* gnu/system/install.scm (installation-os)[locale]: Ditto.

hydra: Build only non-grafted variants of the packages.

* 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 a480307.

lint: Fold 'sync-descriptions' script as 'gnu-description' lint checker.

* build-aux/sync-descriptions.scm: Remove.  Move payload to...
* guix/scripts/lint.scm: ... here.
  (escape-quotes, official-gnu-packages*,
  check-gnu-synopsis+description): New procedures.
  (%checkers): Add 'gnu-descriptions'.
* Makefile.am (EXTRA_DIST): Remove build-aux/sync-descriptions.scm.
  (sync-descriptions): Use 'guix lint'.

Revert "hydra: Build only non-grafted variants of the packages."

This reverts commit 9de1defe790d8baa6a230b2d02e7ba023783b022.

Passing #:graft? was not possible because of the use of 'cut' on call
sites.

hydra: Build only non-grafted variants of the packages.

* build-aux/hydra/gnu-system.scm (package->alist): Pass #:graft? #f to
  PACKAGE-DERIVATION.

hydra: Make USB installation image bigger.

* build-aux/hydra/gnu-system.scm (qemu-jobs): Require 800 MiB for the
  USB disk image.

pull: Use the build procedure provided by the newly-downloaded Guix.

Fixes <http://bugs.gnu.org/18534>.

* guix/scripts/pull.scm (with-environment-variable, with-PATH): New
  macros.
  (temporary-directory, first-directory, interned-then-deleted): New
  procedures.
  (unpack): Rewrite to do the unpacking in the current process rather
  than as a separate derivation.
  (%self-build-file): New variable.
  (build-from-source): New procedure.
  (build-and-install): Use it.
* guix/build/pull.scm (build-guix): Rename 'tarball' argument to
  'source'.  Remove #:tar and #:gzip parameters, as well as 'tar'
  invocation.  Remove 'scandir' invocation.  Wrap body in
  'with-directory-excursion'.
* build-aux/build-self.scm: New file.
* Makefile.am (EXTRA_DIST): Add it.

list-packages: Add Hydra links only for the supported systems.

* build-aux/list-packages.scm (package->sxml)[status]: Use
  'package-transitive-supported-systems' instead of a hard-coded list of
  systems.