* doc/guix.texi (Programming Interface): Add introduction.
  (Defining Packages): Populate.

* hydra.scm: Redirect the output port to the error port.
  (package-job): Return a name/thunk pair.
  (hydra-jobs)[system]: Use either the `system' key (a symbol) in
  ARGUMENTS, or (%current-system)'.

* guix-package.in (guix-package)[process-actions]: Extract the version
  string from store paths.
* tests/guix-package.sh: Adjust accordingly.

* guix-build.in (derivations-from-package-expressions): Use
  `location->string'.

* guix-package.in (guix-package)[find-package]: Return (package-version p),
  not VERSION.

* guix-package.in (show-help, %options): Add `--list-available'.
  (guix-package)[process-query]: Add support for `--list-available'.
* doc/guix.texi (Invoking guix-package): Document it.
* tests/guix-package.sh: Add test.

* guix/ui.scm (location->string): New procedure.
* guix/utils.scm: Export <location>.

* distro.scm (fold-packages): New procedure.
  (find-packages-by-name): Use it instead of hand-written traversal;
  remove `package?' checks from `right-package?'.
* tests/packages.scm ("fold-packages"): New test.

* guix-package.in (show-help, %options): Add `--list-installed'.
  (guix-package): Move main body to...
  [process-actions]: ... here.  New internal procedure.
  [process-query]: New procedure.
* tests/guix-package.sh: Add tests for `--list-installed'.
* doc/guix.texi (Invoking guix-package): Document it.

* guix-package.in (guix-package)[find-package]: Don't use `_' as the
  wildcard, to avoid collision with `gettext'.

* distro/packages/zile.scm: New file.
* Makefile.am (MODULES): Add it.

* distro/packages/help2man.scm: New file.
* Makefile.am (MODULES): Add it.

* distro/packages/system.scm: New file.
* Makefile.am (MODULES): Add it.

* hydra.scm: New file.
* Makefile.am (EXTRA_DIST): Add it.

* ROADMAP: New file.
* Makefile.am (EXTRA_DIST): Add it.

* TODO: New file.
* Makefile.am (EXTRA_DIST): Add it.

* README (Related software): New section.

* configure.ac: Change package name to "GNU Guix", and bug-report
  address to `gnu-system-discuss@gnu.org'.
* doc/guix.texi: Replace "Guix" by "GNU Guix" in some places.
  (Top, Introduction): Mention "for the GNU system".
* HACKING, README: Use "GNU Guix" instead of "Guix" in some places.

These new binaries are built with the `--with-lib-path' and
`--with-local-prefix' flags, respectively, as introduced in commit
01d45404.

* distro/packages/bootstrap.scm (%bootstrap-coreutils&co,
  %bootstrap-glibc): Update URL.
  (%bootstrap-binutils, %bootstrap-gcc): Update URL and hashes.
* build-aux/download.scm (file-name->uri): Update URL.

This fixes impurities with non-chroot builds on LFS-style distros.

* distro/packages/base.scm (binutils): Pass `--with-lib-path'.
  (gcc-4.7): Pass `--with-local-prefix'.
* distro/packages/make-bootstrap.scm (%binutils-static): Pass
  `--with-lib-path'.

* guix-download.in (http-fetch, ftp-fetch): Remove.
  (fetch-and-store): Replace `uri' parameter with `name', for the output
  file name.  Redirect the output of `fetch' to the error port.
  (guix-download): Call `url-fetch' for all URI schemes except `file'.
  Handle PATH equal to #f.
* guix/download.scm: Export `%mirrors'.
* tests/guix-download.sh: Change erroneous URL, because URLs at
  example.com are all valid redirections.

* guix-download.in (fetch-and-store): New procedure.
  (guix-download): Use it to compute PATH.  Call `add-to-store' when
  a `file' URI scheme is used.
* Makefile.am (AM_TESTS_ENVIRONMENT): New variable.
* tests/guix-download.sh: Add test.

* guix-download.in (guix-download): Error out when `string->uri'
  returns #f.  Use `leave' when the scheme is unknown.
* tests/guix-download.sh: Add tests.

* distro/packages/texinfo.scm: New file.
* Makefile.am (MODULES): Add it.

* distro/packages/gnutls.scm: New file.
* Makefile.am (MODULES): Add it.

* distro/packages/nettle.scm: New file.
* Makefile.am (MODULES): Add it.

* distro/packages/compression.scm (lzo): New variable.

* tests/builders.scm ("url-fetch", "gnu-build"): Pass `url-fetch'
  #:guile %BOOTSTRAP-GUILE.

* tests/derivations.scm ("build-expression->derivation for fixed-output
  derivation"): Remove test.  It is redundant with that in builders.scm,
  and doesn't work out of the box with the statically-linked
  %BOOTSTRAP-GUILE.

* Makefile.am (DOWNLOAD_FILE): Add $(top_builddir) to the search path,
  since that's where guix/config.scm is.
  (.scm.go): Likewise.

* distro/packages/base.scm (glibc): Apply `glibc-no-ld-so-cache.patch'.
  (glibc-final): Inherit GLIBC's inputs.
* distro/packages/patches/glibc-no-ld-so-cache.patch: New file.
* Makefile.am (dist_patch_DATA): Add it.

* distro/packages/base.scm, distro/packages/bash.scm,
  distro/packages/compression.scm, distro/packages/gawk.scm,
  distro/packages/gperf.scm, distro/packages/guile.scm,
  distro/packages/libsigsegv.scm, distro/packages/libtool.scm,
  distro/packages/libunistring.scm, distro/packages/m4.scm,
  distro/packages/multiprecision.scm, distro/packages/ncurses.scm,
  distro/packages/pth.scm, distro/packages/readline.scm,
  distro/packages/recutils.scm: Use `mirror://gnu' URLs.
* distro/packages/gnupg.scm: Use `mirror://gnupg' URLs.

* guix/download.scm (%mirrors): New variable.  Mirror lists taken from
  Nixpkgs.
  (url-fetch): New `mirrors' keyword parameter.
  [builder]: Pass it.

* guix/build/download.scm (url-fetch): New `mirrors' keyword parameter.
  [maybe-expand-mirrors]: New procedure.
  [uri]: Use it.

* guix/build/download.scm (http-fetch): Follow the redirection when CODE
  is 302.

* guix/ftp.scm, guix/http.scm, guix/build/ftp.scm, guix/build/http.scm:
  Remove.
* Makefile.am (MODULES): Likewise.
* tests/builders.scm, distro/packages/base.scm,
  distro/packages/bash.scm, distro/packages/bdw-gc.scm,
  distro/packages/compression.scm, distro/packages/gawk.scm,
  distro/packages/gnupg.scm, distro/packages/gperf.scm,
  distro/packages/guile.scm, distro/packages/libffi.scm,
  distro/packages/libsigsegv.scm, distro/packages/libtool.scm,
  distro/packages/libunistring.scm, distro/packages/lout.scm,
  distro/packages/m4.scm, distro/packages/multiprecision.scm,
  distro/packages/ncurses.scm, distro/packages/perl.scm,
  distro/packages/pkg-config.scm, distro/packages/pth.scm,
  distro/packages/readline.scm, distro/packages/recutils.scm: Use
  `url-fetch' instead of `http-fetch' and `ftp-fetch'.
* distro/packages/bootstrap.scm: Likewise
  (bootstrap-origin): Remove references to `http-fetch' and
  `ftp-fetch'.
* guix.scm (%public-modules): Remove `http' and `ftp'; add `download'.

* guix/download.scm, guix/build/download.scm: New files.
* Makefile.am (MODULES): Add them.
* tests/builders.scm ("url-fetch"): New test.
* distro/packages/bootstrap.scm (bootstrap-origin): Support
  `url-fetch'.
* guix/snix.scm (snix-derivation->guix-package): Use `url-fetch' instead
  of `http-fetch'.

* guix/utils.scm (bytevector-quintet-ref, bytevector-quintet-ref-right,
  bytevector-quintet-length, bytevector-quintet-fold,
  bytevector-quintet-fold-right, make-bytevector->base32-string,
  %nix-base32-chars, %rfc4648-base32-chars, bytevector->base32-string,
  bytevector->nix-base32-string, bytevector-quintet-set!,
  bytevector-quintet-set-right!, base32-string-unfold,
  base32-string-unfold-right, make-base32-string->bytevector,
  base32-string->bytevector, nix-base32-string->bytevector): Move to...
* guix/base32.scm: ... here.  New file.

* tests/utils.scm (%nix-hash, "bytevector->base32-string",
  "base32-string->bytevector", "nix-base32-string->bytevector", "sha256
  & bytevector->base32-string"): Move to...
* tests/base32.scm: ... here.  New file

* guix-download.in, guix/derivations.scm, guix/packages.scm,
  guix/snix.scm, tests/builders.scm, tests/derivations.scm: Adjust
  accordingly.
* guix.scm (%public-modules): Add `base32'.

* tests/packages.scm (%bootstrap-inputs): Remove.
  ("GNU Hello"): Rename to...
  ("GNU Make, bootstrap"): ... this.  Build GNU-MAKE-BOOT0 instead of
  HELLO.

* guix/build/http.scm (http-fetch): Emit message indicating the
  download.

* guix/build/http.scm (http-fetch): Check RESP's code; error out when
  it's not 200.

* guix/derivations.scm (build-expression->derivation)[source-path]: New
  procedure.
  [builder]: Pass only sources as references.  This fixes a bug whereby
  changing a fixed-output drv referred to by a builder would cause the
  builder's hash to change, thereby leading to a full rebuild.
* tests/derivations.scm ("build-expression->derivation with a
  fixed-output input"): New test.