services: openssh: Don't depend on networking.

* gnu/services/ssh.scm (openssh-shepherd-service): Drop requirement.

services: guix: Authorize the key for bayfront.guixsd.org.

* gnu/services/base.scm (%default-authorized-guix-keys): Add
"bayfront.guixsd.org".

services: Add 'thermald-service-type'.

* gnu/services/pm.scm (<thermald-configuration>): New record type.
(thermald-shepherd-service, thermald-service-type): New variables.
* doc/guix.texi (Thermal Management): New section documenting thermald.

services: nscd: Adjust activation snippet for /etc/resolv.conf symlinks.

Fixes <http://bugs.gnu.org/26809>.
Reported by Mark H Weaver <mhw@netris.org>.

* gnu/services/base.scm (nscd-activation): Use 'lstat' instead of
'file-exists?'.

ui: Rename '_' to 'G_'.

This avoids collisions with '_' when the latter is used as a 'match'
pattern for instance.  See
<https://lists.gnu.org/archive/html/guix-devel/2017-04/msg00464.html>.

* guix/ui.scm: Rename '_' to 'G_'.
* po/guix/Makevars (XGETTEXT_OPTIONS): Adjust accordingly.
* build-aux/compile-all.scm (warnings): Remove 'format'.
* gnu/packages.scm,
gnu/services.scm,
gnu/services/shepherd.scm,
gnu/system.scm,
gnu/system/shadow.scm,
guix/gnupg.scm,
guix/http-client.scm,
guix/import/cpan.scm,
guix/import/elpa.scm,
guix/import/pypi.scm,
guix/nar.scm,
guix/scripts.scm,
guix/scripts/archive.scm,
guix/scripts/authenticate.scm,
guix/scripts/build.scm,
guix/scripts/challenge.scm,
guix/scripts/container.scm,
guix/scripts/container/exec.scm,
guix/scripts/copy.scm,
guix/scripts/download.scm,
guix/scripts/edit.scm,
guix/scripts/environment.scm,
guix/scripts/gc.scm,
guix/scripts/graph.scm,
guix/scripts/hash.scm,
guix/scripts/import.scm,
guix/scripts/import/cpan.scm,
guix/scripts/import/cran.scm,
guix/scripts/import/crate.scm,
guix/scripts/import/elpa.scm,
guix/scripts/import/gem.scm,
guix/scripts/import/gnu.scm,
guix/scripts/import/hackage.scm,
guix/scripts/import/nix.scm,
guix/scripts/import/pypi.scm,
guix/scripts/import/stackage.scm,
guix/scripts/lint.scm,
guix/scripts/offload.scm,
guix/scripts/pack.scm,
guix/scripts/package.scm,
guix/scripts/perform-download.scm,
guix/scripts/publish.scm,
guix/scripts/pull.scm,
guix/scripts/refresh.scm,
guix/scripts/size.scm,
guix/scripts/substitute.scm,
guix/scripts/system.scm,
guix/ssh.scm,
guix/upstream.scm: Use 'G_' instead of '_'.  Most of this change was
obtained by running: "sed -i -e's/(_ "/(G_ "/g' `find -name \*.scm`".

services: herd: Make %shepherd-socket-file a parameter and export it.

* gnu/services/herd.scm (%shepherd-socket-file): Make it an exported
  parameter.
(open-connection): Adapt.

services: nscd: Create /etc/resolv.conf if it does not exist.

* gnu/services/base.scm (nscd-activation): Create /etc/resolv.conf if it
does not exist yet.

gnu: services: nginx: Fix key verification.

* gnu/services/web.scm (default-nginx-server-config): Fix wrong variable name.

gnu: services: Create logs directory.

* gnu/services/web.scm (nginx-activation): Create logs directory so nginx can
log its startup messages before it loads its configuration.

gnu: services: nginx: Test certificate presence.

* gnu/services/web.scm (default-nginx-server-config): Test certificate
presence when https is requested at configure time.

Merge branch 'master' into staging

services: Make exim-service-type use mail-aliases-service-type

* gnu/services/mail.scm (exim-configuration)[aliases]: Remove field.
(exim-activation, exim-shepherd-service): Remove alias from matches.
(exim-etc): Remove procedure.
(exim-service-type): Extend mail-aliases-service-type instead of
etc-service-type.

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

services: Add mail-aliases-service-type.

* gnu/services/mail.scm (mail-aliases-etc): New procedure.
(mail-aliases-service-type): New variable.

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

services: guix-publish: Add 'cache', 'workers', and 'ttl' config knobs.

* gnu/services/base.scm (<guix-publish-configuration>)[cache, workers,
ttl]: New fields.
(guix-publish-shepherd-service): Honor them.
(guix-publish-activation): New procedure.
(guix-publish-service-type): Extend ACTIVATION-SERVICE-TYPE.
* doc/guix.texi (Base Services): Document it.

services: guix-publish: Fix getter names.

Fixes a typo introduced in 697ddb8850d7aeb612ec9402e86f82c44edf8c96.

* gnu/services/base.scm (<guix-publish-configuration>): Add missing
'configuration' word in getters for 'compression-level' and 'nar-path'.

services: nginx: Use mime.types.

* gnu/service/web.scm (default-nginx-config): Add 'nginx' parameter
and honor it.  Adjust callers.

Merge branch 'master' into staging

services: Add a default value to various service types.

* gnu/services/admin.scm (rottlog-service-type)[default-value]: New
field.
* gnu/services/base.scm (guix-service-type)[default-value]: New field.
(guix-publish-service-type)[default-value]: New field.
* gnu/services/cups.scm (cups-service-type)[default-value]: New field.
* gnu/services/dict.scm (dicod-service-type)[default-value]: New field.
* gnu/services/mcron.scm (mcron-service-type)[default-value]: New field.
* gnu/services/networking.scm (<tor-configuration>)[config-file]: Add
default value.
(tor-service-type)[default-value]: New field.
(<bitlbee-configuration>)[interface, port, extra-settings]: Add default
values.
(bitlbee-service-type)[default-value]: New field.
(wpa-supplicant-service-type)[default-value]: New field.
(tlp-service-type)[default-value]: New field.
(openssh-service-type)[default-value]: New field.
* doc/guix.texi (Base Services, Log Rotation)
(Networking Services, Printing Services):
(Power management Services): Adjust examples accordingly.

Merge branch 'master' into staging

services: tor: Run in a container.

* gnu/services/networking.scm (tor-shepherd-service): Use (gnu build
shepherd) and use 'make-forkexec-constructor/container' instead of
'make-forkexec-constructor'.