* gnu/services/databases.scm (%default-mongodb-configuration-file,
  %mongodb-accounts, mongodb-service-type): New variables.
  (<mongodb-configuration>): New record type.
  (mongodb-activation, mongodb-shepherd-service): New procedures.
* gnu/tests/databases.scm (%test-mongodb): New variable.
* doc/guix.texi (Database Services): Add MongoDB documentation.

* guix/build-system/ant.scm: Add #:test-include and #:test-exclude
arguments.
* guix/build/ant-build-system.scm: Generate test list from arguments.
* doc/guix.texi (Build Systems): Document it.

* guix/build-system/ant.scm: New #:main-class argument
* guix/build/ant-build-system.scm: Generate a manifest file with
additional properties.
* doc/guix.texi (Build Systems): Document it.

* gnu/services/version-control.scm
(<cgit-configuration-file>, <cgit-configuration>): New record types.
(cgit-configuration-robots-string, cgit-activation,
cgit-configuration-nginx-config): New procedures.
(%cgit-configuration-nginx, cgit-service-type): New variables.
* gnu/tests/version-control.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
* doc/guix.texi (Version Control): Document the cgit service.

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

Suggested by Dave Love <fx@gnu.org>.

* doc/guix.texi (Synopses and Descriptions): Recommend literal strings.

* doc/guix.texi (Log Rotation): Correct code for the default mcron-service.

* gnu/services/web.scm (<nginx-server-configuration>): Add
  nginx-server-configuration-try-files.
(emit-nginx-server-config): Use it.
* doc/guix.texi (Web Services): Document it.

* doc/guix.texi (Invoking guix import): Document it.
* guix/scripts/import/json.scm: New file.
* Makefile.am (MODULES): Add it.
* guix/scripts/import.scm (importers): Add json importer.

* build-aux/hydra/gnu-system.scm (hydra-jobs): Support subset "hello".
* build-aux/cuirass/gnu-system.scm: New file.
* doc/guix.texi (Continuous Integration): Update example spec.

* gnu/services/cuirass.scm (<cuirass-configuration>): Add host option.
(cuirass-shepherd-service): Pass host option.
* doc/guix.texi (Continuous Integration): Document it.

* doc/guix.texi (Networking Services): Add rsync service documentation.
* gnu/services/rsync.scm (<rsync-configuration>): New file.
* gnu/tests/rsync.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add new files.

Signed-off-by: Christopher Baines <mail@cbaines.net>

* gnu/services.scm (directory-union): Export.
* gnu/services/networking.scm (<network-manager-configuration>)[vpn-plugins]:
New field.
(vpn-plugin-directory, network-manager-environment): New procedure.
(network-manager-shepherd-service): Pass #:environment-variables to
'make-forkexec-constructor'.
(network-manager-service-type): Add SESSION-ENVIRONMENT-SERVICE-TYPE
extension.
* doc/guix.texi (Networking Services): Document it.

Suggested by Hartmut Goebel <h.goebel@crazy-compilers.com>.

* doc/guix.texi (Preparing for Installation): Mention 'mkfs.fat'.

* doc/contributing.texi (Submitting Patches): Add a note about closing bug
threads by mailing to NNN-done@debbugs.gnu.org.

Suggested-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

Searching for `git send-email' took you to the end of `Submitting Patches'
section which said

   You may use your email client or the ‘git send-email’ command.

without further warning or remark.

* doc/contributing.texi (Sending a Patch Series): Move information about
debbugs bug 15361 to subsection.  Add git-send-email index entries.
(Submitting Patches): Reference it.

* Makefile.am (MODULES): Add 'guix/build-system/meson.scm' and
'guix/build/meson-build-system.scm'.
* guix/build-system/meson.scm: New file.
* guix/build/meson-build-system.scm: New file.
* doc/guix.texi (Build Systems): Add 'meson-build-system'.

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

* guix/scripts/system.scm (resolve-subcommand): New procedure.
(process-command): Handle 'search'.
(guix-system): Likewise.
(show-help): Augment.
* guix/scripts/system/search.scm: New file.
* po/guix/POTFILES.in: Add it.
* Makefile.am (MODULES): Add it.
* guix/ui.scm (%text-width): Export.
* doc/guix.texi (Invoking guix system): Document it.
(Service Types and Services): Mention 'guix system search'.
* tests/guix-system.sh: Test it.

* gnu/services.scm (<service-type>)[description, location]: New field.
* doc/guix.texi (Service Types and Services): Document 'description'.

* gnu/services/cuirass.scm (<cuirass-configuration>): Default port to 8081.
  Fixes conflict with guix-publish default.
* doc/guix.texi (Continuous Integration): Update.

* doc/guix.texi (Continuous Integration): Add missing quote in example spec.

* gnu/system/examples/bare-bones.tmpl (packages): Remove TCPDUMP; add
SCREEN and OPENSSH.
* doc/guix.texi (Using the Configuration System): Adjust explanation
accordingly.

This allows substitutes to be downloaded from unauthorized servers, as
long as they advertise the same hash and references as one of the
authorized servers.

* guix/scripts/substitute.scm (assert-valid-narinfo): Remove.
(valid-narinfo?): Add #:verbose?.  Handle each case of
'signature-case'.
(equivalent-narinfo?): New procedure.
(lookup-narinfos/diverse): Add 'authorized?' parameter and honor it.
[select-hit]: New procedure.
(lookup-narinfo): Add 'authorized?' parameter and pass it.
(process-query): Adjust callers accordingly.
(process-substitution): Remove call to 'assert-valid-narinfo'.  Check
whether 'lookup-narinfo' returns true and call 'leave' if not.
* tests/substitute.scm (%main-substitute-directory)
(%alternate-substitute-directory): New variables.
(call-with-narinfo): Make 'narinfo-directory' a parameter.  Call
'mkdir-p' to create it.  Change unwind handler to check whether
CACHE-DIRECTORY exists before deleting it.
(with-narinfo*): New macro.
("substitute, no signature")
("substitute, invalid hash")
("substitute, unauthorized key"): Change expected error message to "no
valid substitute".
("substitute, unauthorized narinfo comes first")
("substitute, unsigned narinfo comes first")
("substitute, first narinfo is unsigned and has wrong hash")
("substitute, first narinfo is unsigned and has wrong refs")
("substitute, unsigned narinfo comes first")
("substitute, two invalid narinfos"): New tests.
* doc/guix.texi (Substitutes): Explain the new behavior.

This fixes the documentation to match the implementation.

* doc/guix.texi (Web Services): Replace 'upstream-list' with
  'upstream-blocks'.

* doc/guix.texi (Web Services): Replace 'server-list' with 'server-blocks'.

Signed-off-by: Christopher Baines <mail@cbaines.net>

* doc/guix.texi (Desktop Services): Update elogind URL.

* guix/scripts/size.scm (%default-options): Change default value for
'profile<?.
* doc/guix.texi (Invoking guix size): Adjust accordingly.

* gnu/services/web.scm (nginx-activation, nginx-shepherd-service): Replace
references to non-existent ‘config-file’ with ‘file’.
* doc/guix.texi (Web Services): Likewise.

* doc/guix.texi: Move stray ‘@*’ to where it belongs.

* gnu/services/desktop.scm (bluetooth-configuration): New record.
(bluetooth-shepherd-service): Use it.
(bluetooth-directory): New method.
(bluetooth-service-type): Use it to extend the etc-service-type service.
(bluetooth-service): Add `auto-enable?' parameter.
* doc/guix.texi (Desktop Services): Document it.

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

Discussed at
<https://lists.gnu.org/archive/html/guix-devel/2017-08/msg00277.html>.

* gnu/services/desktop.scm (%desktop-services): Remove call to
'wicd-service'.  Add instances of NETWORK-MANAGER-SERVICE-TYPE and
WPA-SUPPLICANT-SERVICE-TYPE.
* doc/guix.texi (Networking Services): Document
'network-manager-service-type' as being part of '%desktop-services'.
(Desktop Services): Replace Wicd with NM.

Since MPD switches user, the pid-file must be in a writable dir.  This
is now always /var/run/mpd/(user)/pid.

* gnu/services/audio.scm (mpd-service-type): Add a activation-service
extension.
(<mpd-configuration>)[pid-file]: Remove.
(mpd-service): Rename to...
(mpd-shepherd-service): ... this.
(mpd-file-name, mpd-service-activation): New procedure.
* doc/guix.texi (Audio Services): Document the changes.

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

* doc/guix.texi (Desktop Services): Add accountsservice-service.
* gnu/services/desktop.scm (%accountsservice-activation):
(accountsservice-service-type): New public variables.
(%desktop-services): Add accountsservice-service.

* gnu/bootloader.scm (<bootloader-configuration>): Deprecate "device" field in
favor of "target" field.  This is mostly a renaming but also a generalization
to support UEFI targets being paths to a mounted partition instead of a device
name.
* gnu/system/examples/bare-bones.tmpl:
* gnu/system/examples/desktop.tmpl:
* gnu/system/examples/lightweight-desktop.tmpl:
* gnu/system/examples/vm-image.tmpl:
* gnu/system/install.scm:
* gnu/tests.scm:
* gnu/tests/install.scm:
* gnu/tests/nfs.scm:
* tests/system.scm: Adapt all invocations of bootloader-configuration.
* guix/scripts/system.scm (perform-action): Rename device argument to
bootloader-target.
(process-action): Adapt caller.
* doc/guix.texi (Proceeding with the Installation):
* doc/guix.texi (Bootloader Configuration): Update documentation.

* gnu/services/virtualization.scm: New file.
* doc/guix.texi (Virtualization Services): Document it.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.

Signed-off-by: Christopher Baines <mail@cbaines.net>

Now that the service-type has a default value, and configuration record is
accessible.

* gnu/services/web.scm (nginx-service): Remove procedure.
* doc/guix.texi (Web Services): Update and improve NGinx documentation.

* guix/scripts/pack.scm (%compressors): Add compressor "none"; prepend
extension with ".".
(self-contained-tarball, docker-image): Assume compressor extensions start
with period.
* doc/guix.texi (Invoking guix pack): Document it.

This was updated in the Service subsection, but the matching update here was
missed.

* doc/guix.text (Top): Change database services description.

* Makefile.am (GUIXSD_IMAGE_BASE): Adapt target file name.
(release): Use file-system-type iso9660.
* doc/guix.texi: Document installation from DVD.

* doc/guix.texi: Add documentation.
* gnu/services/audio.scm (<mpd-configuration>): New record type.
  (mpd-service-type): New service type.
* gnu/tests/audio.scm: New file.
* gnu/local.mk: Add new files.

Signed-off-by: Christopher Baines <mail@cbaines.net>

This is overly specific, as this section now includes the documentation for
Redis, which is not an SQL database.

* doc/guix.texi: Change database services description.