* gnu/services/networking.scm (bitlbee-shepherd-service): Wrap in
'with-imported-modules' and add 'modules' field. Use
'make-forkexec-constructor/container' and pass #:mappings.
This allows users to statically define several interfaces.
* gnu/services/networking.scm (<static-networking>)[provision]
[name-servers]: Add default values.
(static-networking-shepherd-service)
(static-networking-etc-files)
(static-networking-shepherd-services): New procedures.
(static-networking-service-type): Change to extend both
SHEPHERD-ROOT-SERVICE-TYPE and ETC-SERVICE-TYPE.
(static-networking-service): Remove default value of #:provision.
Implement using 'simple-service'.
* gnu/services/base.scm (%base-services): Replace
'static-networking-service' call with 'service' form.
* doc/guix.texi (Networking Services): Update documentation.
* gnu/services/base.scm (file-system-shepherd-services): New procedure.
(file-system-service-type): Use it as the SHEPHERD-ROOT-SERVICE-TYPE
extension.
(user-processes-service-type): Change to take a single 'grace-delay'
parameter.
(user-processes-service): Remove 'file-systems' parameter. Pass
GRACE-DELAY as the only value for the service.
* gnu/system.scm (essential-services): Adjust accordingly.
* gnu/services/network-manager.scm (<network-manager-configuration>): New
record type.
(network-manager-shpeherd-service): Change to use the
network-manager-configuration record, rather than a package. Generate a
simple configuration file from the network-manager-configuration record.
(network-manager-service-type): Update extensions to take the
network-manager-configuration rather than a package.
(network-manager-service): Remove function, the network-manager-service-type
can be used instead, and this avoids keeping the function signature and value
coresponding to the service type in sync.
* doc/guix.texi (Networking Services): Remove documentation for the removed
network-manager-service procedure, and add documentation of the
network-manager-service-type variable and network-manager-configuration
record.
Signed-off-by: 宋文武 <iyzsong@member.fsf.org>
* gnu/services/web.scm (<nginx-server-configuration>): Add field 'locations'.
(<nginx-location-configuration>): New record type.
(<nginx-named-location-configuration>): New record type.
(nginx-location-config): New function.
(default-nginx-server-config): Include locations.
* doc/guix.texi (Web Services): Document the new nginx-location-configuration
and nginx-named-location-configuration data types, as well as the changes to
the nginx-server-configuration.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
* gnu/services/web.scm (<nginx-upstream-configuration>): New record type.
(<nginx-configuration>): Add new field upstream-blocks.
(nginx-upstream): New function.
(default-nginx-config): Add upstream-list parameter.
(nginx-service): Add optional upstream list keyword argument.
* doc/guix.texi (Web Services): Document the new nginx-upstream-configuration
data type and changes to the nginx function.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
* gnu/services/database.scm (<redis-configuration>): New record type.
(%redis-accounts, redis-service-type): New variables.
(default-redis.conf, redis-activation, redis-shepherd-service): New
procedures.
* doc/guix.texi (Database Services): Document the new redis service.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
* gnu/services/web.scm (<nginx-configuration>)[server-blocks]: New
field.
(nginx-activation): When CONFIG-FILE is #f, use 'default-nginx-config'.
(nginx-shepherd-service): Likewise.
(nginx-service-type): Add 'compose' and 'extend' fields.
(nginx-service): Change default value of #:server-list to '(), and
default value of #:config-file to #f.
* doc/guix.texi (Web Services): Document it.
Co-authored-by: Ludovic Courtès <ludo@gnu.org>
* gnu/services/cuirass.scm (<cuirass-configuration>)[specifications]:
Change default value to #~'().
(cuirass-shepherd-service): Remove conditional for "--specifications".
Use 'scheme-file' instead of 'plain-file'. Change file name to
"cuirass-specs.scm".
* doc/guix.texi (Continuous Integration): Change the example to use a
gexp where #:file refers to a file within Cuirass. Adjust
documentation.
* gnu/services/cuirass.scm (<cuirass-configuration>)[cuirass]: New
field.
(cuirass-shepherd-service): Honor it.
* doc/guix.texi (Continuous Integration): Document it.
* gnu/services/base.scm (<guix-configuration>)[log-file]: New field.
(guix-shepherd-service): Pass #:log-file to 'make-forkexec-constructor'.
* gnu/services/admin.scm (simple-rotation-config): Take a list of
files and join them with commas.
(%default-rotations): Add /var/log/guix-daemon.log.
* doc/guix.texi (Base Services): Document it.
The previous default value depended on the 'HOME' environment variable,
which happened to be unset. Thus, /.cache was being used.
* gnu/services/cuirass.scm (<cuirass-configuration>)[cache-directory]:
Change default value to "/var/cache/cuirass".
(cuirass-shepherd-service): Always pass "--cache-directory".
(cuirass-activation): New procedure.
(cuirass-service-type): Use it as an extension to
ACTIVATION-SERVICE-TYPE.
* doc/guix.texi (Continuous Integration): Adjust accordingly.
* gnu/services/cuirass.scm (<cuirass-configuration>): Change type of
'specifications' field to an alist to match the documentation example.
(cuirass-shepherd-service): Store the provided specifications in a file. Use
that file as the "--specification" argument.
* gnu/services/databases.scm (<postgresql-configuration>): Add port
field.
(postgresql-shepherd-service): Pass port to postgres.
(postgresql-service): Add port default.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
* gnu/services/databases.scm (<mysql-configuration>): Add port field.
(mysql-configuration-file): Use the port field when creating the
configuration file.
* doc/guix.texi (Database Services): Document it.
Co-authored-by: Ludovic Courtès <ludo@gnu.org>
Fixes a regression introduced in
bf7ef1bb84, whereby the fsck.* commands
would not be found.
* gnu/services/base.scm (file-system-shepherd-service): Call calls to
'setenv'.
* gnu/services/mail.scm (<opensmtpd-configuration>): New record type.
(%default-opensmtpd-config-file, %opensmtpd-accounts): New variables.
(opensmtpd-shepherd-service, opensmtpd-activation): New procedures.
(opensmtpd-service-type): New variable.
* doc/guix.texi (Mail Services): Document it.
This is a followup to e48fcd7b8d.
* gnu/services/networking.scm (static-networking-service): Remove #:net-tools.
(static-networking-service-type): Remove outdated comment.
* gnu/services/networking.scm (<static-networking>)[net-tools]: Remove.
(static-networking-service-type): Use 'add-network-route/gateway' and
'delete-network-route' instead of NET-TOOLS.
(static-networking-service): Adjust accordingly.
Reported by Mathieu Lirzin and Andreas Enge.
* gnu/services/networking.scm (<static-networking>)[netmask]: New
field.
(static-networking-service-type): Honor it.
* gnu/services/networking.scm (static-networking-service): Add #:netmask
and honor it.
* doc/guix.texi (Networking Services): Adjust accordingly.
* gnu/services/networking.scm (wpa-supplicant-service): New procedure.
(wpa-supplicant-service-type): New variable.
* doc/guix.texi (Networking Services): Document it.
Suggested by Leo Famulari.
* gnu/services/networking.scm (<ntp-configuration>)[allow-large-adjustment?]:
New field.
(ntp-shepherd-service): Honor it.
(ntp-service): Add #:allow-large-adjustment? and honor it.
* doc/guix.texi (Networking Services): Document it.
* gnu/services/nfs.scm (pipefs-service-type): New variable,
(gss-service-type): New variable, (idmap-service-type) New variable.
* doc/guix.texi (Network File System): New node.
* gnu/services/admin.scm (%rotated-files): Add "/var/log/maillog".
(syslog-rotation-config): Change parameter to 'files'. Return a
string-append gexp for all of FILES.
(simple-rotation-config): Remove unnecessary 'postrotate' and
'endscript'.
(%default-rotations): Adjust accordingly.
* gnu/packages/ssh.scm (openssh)[arguments]: Set sysconfdir to /etc/ssh.
* gnu/services/ssh.scm (<openssh-configuration>): New record type.
(%openssh-accounts): New variable.
(openssh-activation, openssh-config-file, openssh-shepherd-service)
(openssh-service): New procedures.
(openssh-service-type): New variable.
* doc/guix.texi (Networking Services): Document 'openssh-services'.
Co-authored-by: Ludovic Courtès <ludo@gnu.org>
* gnu/services/mail.scm (dovecot-configuration): Change default for
postmaster-address, as dovecot is now requiring a non-empty value and
will fail to start up otherwise.
* doc/guix.texi (Mail Services): Update.
* gnu/services/base.scm (%default-console-font): New variable.
(console-font-shepherd-services): New procedure.
(console-font-service-type): Change to use 'service-type'.
(console-font-service): Rewrite using 'simple-service'.
(%base-services): Use a single CONSOLE-FONT-SERVICE-TYPE instance.
* gnu/system/install.scm (installation-services): Likewise.
Fixes <https://bugs.gnu.org/24366>. Drift file now resides in a
dedicated directory owned by the daemon.
* gnu/services/networking.scm (ntp-service-activation): New procedure,
(ntp-service-type): Add new service-extension.
* guix/scripts/system.scm (service-upgrade): Move to...
* gnu/services/shepherd.scm (shepherd-service-upgrade): ... here.
* tests/system.scm ("service-upgrade: nothing to do", "service-upgrade:
one unchanged, one upgraded, one new", "service-upgrade: service
depended on is not unloaded", "service-upgrade: obsolete services that
depend on each other"): Move to...
* tests/services.scm: ... here. Adjust to 'service-upgrade' rename.
* gnu/services/shepherd.scm (shepherd-service-lookup-procedure): New
procedure.
(shepherd-service-back-edges)[provision->service]: Use it.
* tests/services.scm ("shepherd-service-lookup-procedure"): New test.
* gnu/services/herd.scm (<live-service>): New record type.
(current-services): Change to return a single value: #f or a list of
<live-service>.
* guix/scripts/system.scm (call-with-service-upgrade-info): Adjust
accordingly.
* gnu/tests/base.scm (run-basic-test)["shepherd services"]: Adjust
accordingly.
Previously we would create one 'file-system-service-type' instead per
file system. Now, we create only one instance for all the file
systems.
* gnu/services/base.scm (fstab-service-type)[compose]: Change to
CONCATENATE.
(file-system-shepherd-service): Change to return either one
<shepherd-service> or #f.
(file-system-service-type): Pluralize 'name'. Adjust
SHEPHERD-ROOT-SERVICE-TYPE extension to above changes. Add 'compose'
and 'extend'.
(file-system-service): Remove.
* gnu/system.scm (other-file-system-services): Rename to...
(non-boot-file-system-service): ... this. Change to return a single
FILE-SYSTEM-SERVICE-TYPE instance.
(essential-services): Adjust accordingly.
This allows users to use 'modify-services' and similar constructs for
all these service types.
* gnu/services/avahi.scm: export avahi-configuration.
* gnu/services/base.scm: export gpm-configuration and
rngd-configuration.
* gnu/services/databases.scm: export *-service-type and *-configuration.
* gnu/services/dbus.scm: export dbus-configuration.
* gnu/services/dict.scm: export dicod-service-type.
* gnu/services/lirc.scm: export lirc-configuration and
lirc-service-type.
* gnu/services/mail.scm: export dovecot-service-type.
* gnu/services/web.scm: export nginx-configuration and
nginx-service-type.
* gnu/services/xorg.scm: export screen-locker and screen-locker?.
* gnu/services/ssh.scm: export lsh-configuration and lsh-service-type.
* gnu/services/desktop.scm: export *-service, *-service-type
and *-configuration.
* gnu/services/networking.scm: export *-configuration
and *-service-type.
Co-authored-by: Ludovic Courtès <ludo@gnu.org>
* gnu/system/pam.scm (<pam-limits-entry>): New record type.
(pam-limits-entry, pam-limits-entry->string): New procedures.
* gnu/services/base.scm (pam-limits-service-type): New variable.
(pam-limits-service): New procedure.
* doc/guix.texi (Base Services): Document it.
* gnu/services/ssh.scm (<dropbear-configuration>): New record type.
(dropbear-activation, dropbear-shepherd-service, dropbear-service): New
procedures.
(dropbear-service-type): New variable.
* doc/guix.texi (Networking Services): Document it.
Co-authored-by: Ludovic Courtès <ludo@gnu.org>
* gnu/services/shepherd.scm (<shepherd-service>)[imported-modules]:
Remove.
(%default-imported-modules): Make private.
(shepherd-service-file): Use 'with-imported-modules'.
(shepherd-configuration-file): Remove 'modules' and the calls to
'imported-modules' and 'compiled-modules'. Use
'with-imported-modules' instead.
* doc/guix.texi (Shepherd Services): Adjust accordingly.
* gnu/services/base.scm (file-system-shepherd-service): Use
'with-imported-modules'. Remove 'imported-modules' field.
* gnu/system/mapped-devices.scm (device-mapping-service-type): Remove
'imported-modules'.
(open-luks-device): Use 'with-imported-modules'.
* gnu/tests.scm (marionette-shepherd-service): Remove 'imported-modules'
field and use 'with-imported-modules'.
* gnu/services/base.scm (<rngd-configuration>): New record type.
(rngd-service-type): New variable.
(rngd-service): New procedure.
* doc/guix.texi (Base Services): Document it.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
* gnu/services/avahi.scm (<avahi-configuration>)[debug?]: New field.
(avahi-shepherd-service): Honor it.
(avahi-service): Add #:debug? and honor it.
* doc/guix.texi (Networking Services): Adjust accordingly.
This makes sure the service's 'start' finishes when avahi-daemon is
ready to process requests.
* gnu/services/avahi.scm (avahi-shepherd-service): Use --daemonize
instead of --syslog and add #:pid-file.
* gnu/services/mcron.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
* gnu/tests/base.scm (%mcron-os, %test-mcron): New variables.
(run-mcron-test): New procedure.
* doc/guix.texi (Scheduled Job Execution): New node.
* gnu/services/desktop.scm (bluetooth-shepherd-service)
(bluetooth-service): New Prodecures.
(bluetooth-service-type): New variable.
* doc/guix.text (Desktop Services): Document it.
This makes 'dicod' listen on 'localhost' by default, whereas it was
previously listening on all the interfaces, which is not a good default
security-wise.
* gnu/services/dict.scm (<dicod-configuration>)[interfaces]: New field.
(dicod-configuration-file)[database->text]: New procedure, with code
formerly in 'dicod-configuration->text'.
[dicod-configuration->text]: Rename to...
[configuration->text]: ... this. Honor 'interfaces'.
* doc/guix.texi (Various Services): Document 'interfaces'.
* gnu/services/database.scm (<mysql-configuration>): New record type.
(%mysql-accounts, mysql-service-type): New variables.
(mysql-configuration-file, %mysql-activation, mysql-shepherd-services)
(mysql-services): New procedures.
* doc/guix.texi (Database Services): Document it.
* gnu/services/base.scm (urandom-seed-shepherd-service): Refresh the random
seed unconditionally at boot. Ensure directory structure for %random-seed-file
exists when shutting down.
(%urandom-seed-activation): Remove variable.
(urandom-seed-service-type): Remove deleted variable from list of extensions.
* gnu/services/networking.scm (connman-service): New procedure.
(connman-service-type, %connman-activation): New variables.
(connman-shepherd-service): New procedure.
* doc/guix.texi (Networking Services): Document it.
This makes (gnu services herd) independent of (guix ui).
* gnu/services/herd.scm (&shepherd-error, &service-not-found-error)
(&action-not-found-error, &action-exception-error)
(&unknown-shepherd-error): New error condition types.
(report-action-error): Remove.
(raise-shepherd-error): New procedure.
(display-message): Do not use 'info' and '_'.
(invoke-action): Use 'raise-shepherd-error' instead of
'report-action-error'. Do not use 'warning'.
(current-services): Do not use 'warning'.
* guix/scripts/system.scm (with-shepherd-error-handling): New macro.
(report-shepherd-error, call-with-service-upgrade-info): New
procedures.
(upgrade-shepherd-services): Use it.
* gnu/services/base.scm (console-keymap-service-type): Type procedure
takes a list of files instead of a single file.
(console-keymap-service): Take 'files' as rest arguments.
* doc/guix.texi (Base Services): Improve documentation of
'console-keymap-service'.
Before that, a session command with several items, such as
'gnome-session --disable-acceleration-check', would trigger the fallback
session.
* gnu/services/xorg.scm (xinitrc)[builder]: Accept command lines with
more than one arguments.
* gnu/services/desktop.scm (package-direct-input-selector): New
function.
(<gnome-desktop-configuration>, gnome-desktop-service-type)
(<xfce-desktop-configuration>, xfce-desktop-service-type): New
variables.
(gnome-desktop-service, xfce-desktop-service): New public variables.
* doc/guix.texi (Desktop Services): Document new variables.
Previously elogind was explicitly spawned by the Shepherd. Now it is
activated by dbus-daemon on demand.
* gnu/packages/freedesktop.scm (elogind)[arguments]: Add
'fix-service-file' phase.
* gnu/services/desktop.scm (elogind-shepherd-service): Remove.
(elogind-dbus-service): New procedure.
(elogind-service-type): Do not extend SHEPHERD-ROOT-SERVICE-TYPE. Use
'elogind-dbus-service' for DBUS-ROOT-SERVICE-TYPE.
* gnu/services/xorg.scm (%default-xorg-modules): New public variable.
(xorg-configuration-directory): New function.
(xorg-start-command): Add #:modules keyword argument, defaulting to
%default-xorg-modules. Build an xorg.conf.d directory from those
modules, and pass it to X via the -configdir parameter.
* gnu/services/desktop.scm (polkit-etc-files): Add the polkit package
itself to the list of packages to scan for .policy files. This add
support for pkexec.
Fixes <http://bugs.gnu.org/22548>.
Reported by Albin <albin@fripost.org>, Mark H Weaver, and Alex Kost.
* gnu/services/shepherd.scm (shepherd-configuration-file)[config]: Guard
against 'service-error?'.
Before that 'open-connection' would return #f, and thus
'current-services' would return a single #f value when its continuation
expects two.
Reported by calher on #guix.
* gnu/services/herd.scm (open-connection): Rethrow system-error
exceptions.
(with-shepherd): Expect CONNECTION to always be true; remove useless
'dynamic-wind'.
* guix/scripts/system.scm (warn-on-system-error): New macro.
(upgrade-shepherd-services): Wrap body in 'warn-on-system-error'.
Partly fixes <http://bugs.gnu.org/22039>.
* gnu/services/herd.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.
* gnu/services/shepherd.scm (shepherd-service-canonical-name): New
procedure.
(shepherd-service-file): Export.
* guix/scripts/system.scm (upgrade-shepherd-services): New procedure.
(switch-to-system): Use it.
* guix/ui.scm (info): New procedure.
* doc/guix.texi (Invoking guix system): Mention system services.
This fixes a bug whereby /dev/disk/by-{label,id} would be missing on
GuixSD (/dev/disk/by-id would still contain device-mapped partitions
though.)
Reported by Mark H Weaver <mhw@netris.org>.
* gnu/packages/linux.scm (eudev-with-blkid): New variable.
* gnu/services/base.scm (udev-service): #:udev defaults to
EUDEV-WITH-BLKID.
* gnu/system.scm (%base-packages): Replace EUDEV with EUDEV-WITH-BLKID.
* gnu/services/shepherd.scm (dmd-configuration-file): Rename to...
(shepherd-configuration-file): ... this. Use "shepherd.conf" name.
(dmd-boot-gexp): Use it.
* gnu/services/dmd.scm (dmd-boot-gexp): Use binary from 'shepherd' package.
(dmd-root-service-type): Use 'shepherd' package.
(%default-modules): Use (shepherd service) module.
* gnu/services/base.scm (%root-file-system-dmd-service): Use
'stop-logging' procedure to close shepherd log.
Fixes <http://bugs.gnu.org/22176>.
Reported by Florian Paul Schmidt <mista.tapas@gmx.net>.
* gnu/system/file-systems.scm (<file-system>)[mount?]: New field.
(file-system->spec): Adjust accordingly.
* gnu/services/base.scm (file-system-dmd-service): Return the empty list
when FILE-SYSTEM has 'mount?' set to false.
(user-processes-service): Select the subset of FILE-SYSTEMS that matches
'file-system-mount?'.
* doc/guix.texi (File Systems): Document it.
* gnu/services/base.scm (session-environment-service): New procedure.
(session-environment-service-type): New variable.
(environment-variables->environment-file): New procedure.
* gnu/services/networking.scm (<tor-configuration>, <hidden-service>):
New record types.
(tor-configuration->torrc): New procedure.
(tor-dmd-service): Use it.
(tor-hidden-service-activation): New procedure.
(tor-service-type)[extensions]: Extend ACTIVATION-SERVICE-TYPE.
[compose, extend]: New fields.
(tor-service): Use 'tor-configuration'.
(tor-hidden-service-type): New variable.
(tor-hidden-service): New procedure.
* gnu/services/networking.scm (network-manager-service): New procedure.
(network-manager-service-type, %network-manager-activation): New variables.
(network-manager-dmd-service): New procedure.
'slim-configuration' and 'slim-service-type' are needed if one wishes to
use 'modify-services' on a service list that includes the slim service.
* gnu/services/xorg.scm: Export 'slim-configuration' and
'slim-service-type'.
Fixes <http://bugs.gnu.org/19779>.
Reported by Mark H Weaver <mhw@netris.org>.
* gnu/services/dmd.scm (dmd-configuration-file)[config]: Wrap
'primitive-load' calls in 'call-with-error-handling'.
* gnu/services/dmd.scm (%default-imported-modules, %default-modules):
New variables.
* gnu/services/dmd.scm (<dmd-service>)[modules, imported-modules]: New
field.
* gnu/services/dmd.scm (dmd-service-file-name, dmd-service-file): New
procedures.
(dmd-configuration-file)[modules]: Compute based on the
'imported-modules' field of SERVICES.
(dmd-configuration-file): Remove 'use-modules' form. Use
'dmd-service-file', and call 'primitive-load' on each file.
* doc/guix.texi (dmd Services): Document the new fields.
* gnu/services/dmd.scm (assert-no-duplicates): Rename to...
(assert-valid-graph): ... this.
[provisions]: New variable.
[assert-satisfied-requirements]: New procedure.
Use it.
* tests/guix-system.sh: Add test with unmet dmd requirements.
* gnu/services/base.scm (<gpm-configuration>): New record type.
(gpm-dmd-service): New procedure.
(gpm-service-type): New variable.
(gpm-service): New procedure.
* doc/guix.texi (Base Services): Document it.
* gnu/services/base.scm (<guix-publish-configuration>): New record
type.
(guix-publish-dmd-service): New procedure.
(%guix-publish-accounts, guix-publish-service-type): New variables.
(guix-publish-service): New procedure.
* doc/guix.texi (Invoking guix publish): Add xref to
'guix-publish-service' anchor.
(Base Services): Document 'guix-publish-service'.
* gnu/services/desktop.scm (<udisks-configuration>): New record type.
(udisks-service-type): New variable.
(udisks-service): New procedure.
(%desktop-services): Use it.
* doc/guix.texi (Desktop Services): Document it.
* gnu/packages/polkit.scm (polkit)[source]: Adjust snippet so that rules
and actions are looked for under /etc/polkit-1.
* gnu/services/desktop.scm (<polkit-configuration>): New record type.
(polkit-directory, polkit-etc-files, polkit-setuid-programs): New
procedures.
(polkit-service-type)[compose, extend]: New fields.
(polkit-service): Refine docstring.
(colord-service-type): Extend POLKIT-SERVICE-TYPE.
(elogind-configuration-file): Extend POLKIT-SERVICE-TYPE.
* doc/guix.texi (Desktop Services): Update 'polkit-service'
documentation.
* gnu/services/networking.scm (tor-dmd-service): Take a 'config'
parameter and honor it.
(tor-service): Take a 'config-file' parameter. Pass it in the
service's value.
* doc/guix.texi (Networking Services): Adjust accordingly.
Fixes a regression introduced in commit 0adfe95.
* gnu/system.scm (other-file-system-services)[requirements]: Remove.
[add-dependencies]: New procedure.
Use it.
* gnu/system/file-systems.scm (<file-system>)[dependencies]: Update
comment.
* gnu/services/base.scm (mapped-device->dmd-service-name,
dependency->dmd-service-name): New procedures.
(file-system-service-type): Use it.
* gnu/services.scm (%modify-service, modify-services): New macros.
* gnu/services/base.scm (mingetty-service-type, guix-service-type):
Export.
* emacs/guix-devel.el (guix-devel-keywords): Add 'modify-services'.
Ditto in 'guix-devel-scheme-indent' call.
* doc/guix.texi (Using the Configuration System): Give an example of
'modify-services'.
(Service Reference): Document it.
* gnu/services/base.scm (<guix-configuration>)[substitute-urls]: New
field.
(guix-dmd-service): Honor it.
* doc/guix.texi (Base Services): Document it.