hydra: Comment out all Git invocations in `bootstrap'.

* build-aux/hydra/guix.scm (tarball-package): Comment out all `git'
  invocations.

hydra: Add missing import.

* build-aux/hydra/guix.scm: Use (srfi srfi-26).

hydra: Return a symbol/thunk pair.

* build-aux/hydra/guix.scm (hydra-jobs): Return a symbol/thunk pair.

gnu: pius: Use the right `gpg' binary.

* gnu/packages/gnupg.scm (pius): Add GnuPG as an input.  Patch the
  installed binaries to refer to the right GnuPG executable.  Fix
  synopsis.

hydra: Extract the actual file name from the Guix checkout.

* build-aux/hydra/guix.scm (hydra-jobs): Extract the `file-name' part of
  CHECKOUT.

hydra: Add job to run "make distcheck" on Guix.

* build-aux/hydra/guix.scm: New file.
* Makefile.am (EXTRA_DIST): Add it.

gnu: Add Guix.

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

build-system/gnu: Add `dist-package'.

* guix/build/gnu-dist.scm: New file.
* Makefile.am (MODULES): Add it.
* guix/build-system/gnu.scm (%default-modules): New variable.
  (gnu-build): Use it.
  (dist-package): New procedure.

packages: Allow file names as package sources.

* guix/packages.scm (package-source-derivation): Add cases for SOURCE as
  a store path or user file.
* tests/packages.scm ("package-source-derivation, file",
  "package-source-derivation, store path"): New tests.

doc: Mention what's in the chroot, and add a caveat about /dev/shm.

* doc/guix.texi (Setting Up the Daemon): Document the default content of
  the chroot, and the /dev/shm caveat.

gnu: Add pspp.

* gnu/packages/maths.scm (pspp): New variable.
* THANKS: Thank John Darrington for help with debugging.

gnu: Add libmicrohttpd.

* gnu/packages/gnunet.scm (libmicrohttpd): New variable.

gnu: Add units.

* gnu/packages/maths.scm: New module.
* gnu-system.am (GNU_SYSTEM_MODULES): Add module.

gnu: Add libextractor.

* gnu/packages/gnunet.scm: New module.
* gnu-system.am (GNU_SYSTEM_MODULES): Add module.
* THANKS: Thank Christian Grothoff for help with debugging.

gnu: Add gkrellm.

* gnu/packages/gkrellm.scm: New module.
* gnu/packages/gnu-system.am (GNU_SYSTEM_MODULES): Add module.

gnu: Add Valgrind.

* gnu/packages/valgrind.scm, gnu/packages/patches/valgrind-glibc.patch:
  New files.
* gnu-system.am (GNU_SYSTEM_MODULES): Add valgrind.scm.
  (dist_patch_DATA): Add valgrind-glibc.patch.

gnu: Add GNU lightning.

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

gnu: tzdata: Fix hash of tzcode tarball.

Fixes <http://bugs.gnu.org/15153>.

* gnu/packages/base.scm (tzdata): Update tzcode hash, which was modified
  upstream.

utils: Add `guile-version>?', and use it.

This fixes Guile version comparisons when (version) has a
vendor-specific suffix.

Reported by Andreas Enge <andreas@enge.fr>.

* guix/utils.scm (guile-version>?): New procedure.
* tests/utils.scm ("guile-version>? 1.8", "guile-version>? 10.5"): New
  tests.
* guix/scripts/substitute-binary.scm (fetch, progress-report-port): Use
  `guile-version>?' instead of `version>?'.
* guix/http-client.scm (when-guile<=2.0.5, http-fetch): Likewise.

gnu: Have `qemu-image' explicitly reboot when done.

* gnu/system/vm.scm (qemu-image): Call `reboot' when we're done.  Change
  `menuentry' title.