Merge branch 'master' into core-updates

services: Add inetd-service-type.

* gnu/services/networking.scm (<inetd-configuration>, <inetd-entry>): New
record types.
(inetd-config-file, inetd-shepherd-service): New procedures.
(inetd-service-type): New variable.
* doc/guix.texi (Networking Services): Document it.
* gnu/tests/networking.scm: New file.
* gnu/local.mk: Add it.

services: openvpn: Fix a typo which was corrected in generated doc.

* gnu/services/vpn.scm (define-split-configuration): Fix typo.

Signed-off-by: Clément Lassieur <clement@lassieur.org>

gnu: Add tlp service.

* gnu/services/pm.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add gnu/services/tlp.scm.
* doc/guix.texi (Power management Services): New section.

Signed-off-by: Clément Lassieur <clement@lassieur.org>

services: configuration: Rewrite id procedure.

* gnu/services/configuration.scm (id): Replace it using the more concise
version found in messaging.scm.

Signed-off-by: Clément Lassieur <clement@lassieur.org>

services: Factorize define-maybe macro.

* gnu/services/configuration.scm (id): New procedure extracted from
define-configuration.
(define-maybe): New exported procedure, moved from messaging.scm.
* gnu/services/messaging.scm (define-maybe): Remove it.
(id): Move declaration inside define-all-configurations which is now
the only caller procedure.

Signed-off-by: Clément Lassieur <clement@lassieur.org>

services: guix-publish: Add 'compression-level' and 'nar-path' fields.

* gnu/services/base.scm (<guix-publish-configuration>)[compression-level,
nar-path]: New fields.
(guix-publish-shepherd-service): Honor them.
* doc/guix.texi (Base Services): Document them.

doc: Document 'guix-publish-service-type' instead of 'guix-publish-service'.

* doc/guix.texi (Base Services): Document 'guix-publish-service-type'
and 'guix-configuration'.  Remove 'guix-publish-service'.
(Invoking guix publish): Mention 'guix-publish-service-type'.
* gnu/services/base.scm (guix-publish-service): Mark as deprecated.
(<guix-configuration>): Export getters.

Merge remote-tracking branch 'origin/master' into core-updates

file-systems: Do not use (gnu packages …).

Fixes a regression introduced in
7208995426714c9fc3ad59cadc3cc0f52df0f018 whereby (gnu system
file-systems) would pull in (gnu packages …) module, which in turn
breaks when importing things like (gnu build shepherd).

* gnu/system/file-systems.scm (file-system-type-predicate): Export.
(file-system-packages): Move to...
* gnu/system/linux-initrd.scm (file-system-packages): ... here.  Add
docstring.
* gnu/services/base.scm: Use it.
* tests/file-systems.scm ("does not pull (gnu packages …)"): New test.

services: openssh: Add 'subsystems' option.

* gnu/services/ssh.scm (openssh-config-file): Add it.
(<openssh-configuration>)[subsystems]: Add it.
* doc/guix.texi (Networking Services): Document it.

services: openssh: Cosmetic changes.

* gnu/services/ssh.scm (<openssh-configuration>): Reformat to fit in 80
columns.

Merge branch 'master' into core-updates

services: Remove Tab character from source code whitespace.

* gnu/services/base.scm (file-system-shepherd-service): Remove Tab character
from source code whitespace.

services: file-system-shepherd-service: Make it find the fsck programs.

Fixes <https://bugs.gnu.org/25917>.

* gnu/services/base.scm (file-system-shepherd-service): Use
file-system-packages.

services: connman: Rework service.

* gnu/services/networking.scm (connman-service): Remove.
(<connman-configuration>): New record specifying the package
to be used (connman) and whether vpn plugin shall be
disabled (disable-vpn?).
(connman-configuration): New exported variable.
(connman-configuration?): New exported variable.
(connman-service-type): Export it.

* doc/guix.texi (Networking Services): Adjust accordingly.

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

Merge remote-tracking branch 'origin/master' into core-updates

services: Move configuration functions that shouldn't be factorized.

* gnu/services/configuration.scm (serialize-field, serialize-string)
(serialize-space-separated-string-list, space-separated-string-list?)
(serialize-file-name, file-name?, serialize-boolean): Move these functions...
* gnu/services/cups.scm: ...to this file.
* gnu/services/kerberos.scm: ...to this file.

Configuration syntaxes are very specific to services.  Some services may have
the same configuration syntax, but none of them is common enough to be
abstracted in configuration.scm.

Signed-off-by: Clément Lassieur <clement@lassieur.org>

services: dovecot: Reimplement proper configuration functions.

* gnu/services/mail.scm (uglify-field-name, serialize-field, serialize-string)
(space-separated-string-list?, serialize-space-separated-string-list)
(file-name?, serialize-file-name, serialize-boolean): Add them.

These functions were inadvertently changed while being factorized in
gnu/service/configuration.scm.

Signed-off-by: Clément Lassieur <clement@lassieur.org>

services: dovecot: Fix unix_listeners and fifo_listeners path types.

* gnu/services/mail.scm (unix-listener-configuration)[path]
(fifo-listener-configuration)[path]: Change type from 'file-name' to 'string'.
* doc/guix.texi (Mail Services): Document it.

Signed-off-by: Clément Lassieur <clement@lassieur.org>