* doc/guix.texi (Invoking guix archive): Expound on what sets the Nar
  format apart.

* guix/nar.scm (write-file) <directory>: Pass 'string<?' as the second
  argument to 'scandir'.
* tests/nar.scm ("write-file puts file in C locale collation order"):
  New test.

* guix/derivations.scm (<derivation-output>): Add 'recursive?' field.
  Adjust 'make-derivation-output' callers.
  (%read-derivation) <fixed-output>: When HASH-ALGO starts with 'r:',
  set the 'recursive?' field and drop 'r:' from the hash algo name.
  (write-derivation)[write-output]: Write the algo as 'r:HASH-ALGO' when
  the RECURSIVE? field is set.
  (derivation-hash) <fixed-output>: Prepend "r:" when RECURSIVE? is set.
  (fixed-output-path): New procedure.
  (derivation): Add #:recursive? parameter.  Use 'fixed-output-path' to
  compute the output file name of a fixed output derivation.
  (build-expression->derivation): Add #:recursive? parameter.  Pass it
  to 'derivation'.
* tests/derivations.scm ("fixed-output derivation, recursive",
  "build-expression->derivation produces recursive fixed-output",
  "build-expression->derivation uses recursive fixed-output"): New
  tests.
* doc/guix.texi (Derivations): Document #:recursive? for 'derivation'.
  Add #:recursive? for 'build-expression->derivation'.

* guix/scripts/hash.scm (show-help): Add --recursive.
  (%options): Likewise.
  (guix-hash)[file-hash]: New procedure.  Honor --recursive.
  Use it.
* guix/nar.scm (write-file): Add missing field to the &nar-error
  condition raised upon unsupported file type; change its message to be
  more descriptive.
* tests/guix-hash.sh: Add tests with -r.
* doc/guix.texi (Invoking guix hash): Document --recursive.

* guix/ui.scm (call-with-error-handling): Add case for
  'message-condition?'.
* po/Makevars: Fix typo in comment.

* guix/nar.scm (write-contents): Use 'sendfile' only when P is a file
  port.
* tests/nar.scm ("write-file supports non-file output ports"): New test.

* gnu/packages/patches/mpc123-initialize-ao.patch: New file.
* gnu/packages/mp3.scm (mpc123): Use it.
* gnu-system.am (dist_patch_DATA): Add it.

* gnu/packages/emacs.scm (emacs): Add 'giflib', 'libice', 'libsm', and
  'alsa-lib' inputs.  Remove "--with-gif=no" from configure arguments.

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

* gnu/packages/mail.scm (gmime): Use gnome mirror, fixes download problems
    with automatic https redirection.

* gnu/packages/hurd.scm (mig): New variable.

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

* guix/scripts/hash.scm (guix-hash)[eof->null]: Remove.
  (guix-hash): Use 'port-sha256' to compute the hash instead of
  'get-bytevector-all' and co.

* gnu/packages/tor.scm (tor): Upgrade to 0.2.4.20.

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

* gnu/packages/gnupg.scm (gpgme): Make 'libgpg-error' a propagated input.

* gnu/packages/shishi.scm (shishi): Add 'pkg-config' native-input.
  Add 'libidn' and 'linux-pam' inputs.

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

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

* gnu/system.scm (etc-directory): Add /etc/shells.

* gnu/system/vm.scm (%demo-operating-system): Remove.
  (system-qemu-image, system-qemu-image/shared-store,
  system-qemu-image/shared-store-script): Adjust accordingly.

* gnu/services/base.scm (%base-services): New variable.
* gnu/system.scm (<operating-system>)[services]: Change the default
  value to %BASE-SERVICES.
* doc/guix.texi (Using the Configuration System): Change
  '%standard-services' to '%base-services'.

* gnu/system/dmd.scm: Remove file.  Move contents to...
* gnu/services.scm, gnu/services/base.scm, gnu/services/dmd.scm,
  gnu/services/networking.scm, gnu/services/xorg.scm: ... here.  New
  files.
* gnu/system.scm, gnu/system/vm.scm: Adjust accordingly.
* guix/scripts/system.scm (%user-module): Likewise.
* doc/guix.texi (Using the Configuration System): Likewise.
  (Defining Services): Likewise.

* gnu/packages/scheme.scm (bigloo): Upgrade to 4.1a.

* gnu/packages/qemu.scm (qemu-headless): Add '--disable-debug-info' as a
  'configure' flag.

* guix/scripts/system.scm: New file.
* Makefile.am (MODULES): Add it.
* po/POTFILES.in: Likewise.
* doc/guix.texi (Using the Configuration System): Link to "Invoking guix
  system".
  (Invoking guix system): New node.

* gnu/packages/curl.scm (curl): Add a new phase and python-2 to native-inputs.

Signed-off-by: Andreas Enge <andreas@enge.fr>

* gnu/packages/curl.scm (curl): Update to 7.35.0.

Signed-off-by: Andreas Enge <andreas@enge.fr>

* gnu/packages/gnunet.scm (gnurl): Do not disable testcase 1022.

Signed-off-by: Andreas Enge <andreas@enge.fr>

* gnu/packages/dc (ncdc): Update to 1.19.

Signed-off-by: Andreas Enge <andreas@enge.fr>

* gnu/packages/gnutls.scm (gnutls): Upgrade to 3.2.11.  Improve URI
  computation.

* gnu/packages/icu4c.scm (icu4c): Upgrade to 52.1.

* gnu/packages/patches/patchelf-page-size.patch: New file.
* gnu/packages/elf.scm (patchelf): Add the patch.
* gnu-system.am (dist_patch_DATA): Add the patch.

* guix/scripts/build.scm (show-build-options-help,
  set-build-options-from-command-line): New procedures.
  (show-help): Remove description of --dry-run,
  --fallback, --no-substitutes, --max-silent-time, and --cores.  Call
  'show-build-options-help'.
  (%standard-build-options): New variable.
  (%options): Remove --dry-run, --fallback, --no-substitutes,
  --verbosity, --max-silent-time, and --cores.  Add
  %STANDARD-BUILD-OPTIONS.
  (guix-build): Use 'set-build-options-from-command-line' instead of
  'set-build-options'.
* guix/scripts/archive.scm (show-help): Remove description of --dry-run,
  --fallback, --no-substitutes, --max-silent-time, and --cores.  Call
  'show-build-options-help'.
  (%options): Remove --dry-run, --fallback, --no-substitutes,
  --verbosity, --max-silent-time, and --cores.  Add
  %STANDARD-BUILD-OPTIONS.
  (export-from-store): Call 'set-build-options-from-command-line'
  instead of 'set-build-options.

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

* gnu/packages/gnunet.scm (gnurl): Update to 7.35.0.

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

* gnu/packages/maths.scm (hdf5): New variable.
* gnu/packages/maths.scm (octave): New input hdf5.

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

* gnu/packages/patches/dmd-tests-longer-sleeps.patch: New file.
* gnu/packages/admin.scm (dmd): Add the patch.
* gnu-system.am (dist_patch_DATA): Add it.

* gnu/packages/fonts.scm (ttf-dejavu): New variable.

* .gitignore: Change version number in ignored Guile bootstrap
  binaries from 2.0.7 to 2.0.9.

* gnu/packages/patches/ratpoison-shell.patch: New file.
* gnu/packages/ratpoison.scm (ratpoison): Add patch.
* gnu-system.am (dist_patch_DATA): Add patch.