* gnu/services/linux.scm (<zram-device-configuration>): New record.
(zram-device-service-type): New variable.
* doc/guix.texi (Linux Services): Document it.
* tests/services/linux.scm (zram-swap-device-test): New tests.
* doc/guix.texi (Database Services): Add example of shell commands to use psql
as system user. Also add troubleshooting tip when service fails to start
because of incompatible cluster.
* doc/guix.texi (Writing Channel News): Explain the issue with using the .scm
extension and possible workarounds; fix the example to use the .txt extension instead.
* gnu/services/admin.scm (<unattended-upgrade-configuration>): New
record type.
(%unattended-upgrade-log-file): New variable.
(unattended-upgrade-mcron-jobs, unattended-upgrade-log-rotations): New
procedures.
(unattended-upgrade-service-type): New variable.
* doc/guix.texi (Service Reference): Add 'provenance-service-type' anchor.
(Unattended Upgrades): New section.
This is a followup to 8e31736b0a.
* guix/scripts/system/reconfigure.scm (check-forward-update): Add
#:current-channels. Use it instead of OLD.
* gnu/services.scm (sexp->system-provenance): New procedure.
(system-provenance): Use it.
* gnu/machine/ssh.scm (<machine-ssh-configuration>)[allow-downgrades?]:
New field.
(machine-check-forward-update): New procedure.
(check-deployment-sanity)[assertions]: Call it.
* doc/guix.texi (Invoking guix deploy): Document 'allow-downgrades?'
field.
* gnu/services/nix.scm (<nix-configuration>)[extra-options]: New field.
(nix-shepherd-service): Add this.
(nix-activation): Add new line to the end of /etc/nix/nix.conf file.
* doc/guix.texi (Miscellaneous Services)[Nix service]: Document this.
Reported by Pierre Neidhardt <mail@ambrevar.xyz>.
* doc/guix.texi (Channels): Mention the keyring branch and the
'keyring-reference' bit in '.guix-channel'.
This is similar to what 9744cc7b46 did for
'guix pull'.
* guix/scripts/system/reconfigure.scm (ensure-forward-reconfigure)
(warn-about-backward-reconfigure, channel-relations)
(check-forward-update): New procedures.
* guix/scripts/system.scm (perform-action): Add #:validate-reconfigure.
Call 'check-forward-update' when ACTION is 'reconfigure.
(%options, show-help): Add "--allow-downgrades".
(%default-options): Add 'validate-reconfigure' key.
(process-action): Pass #:validate-reconfigure to 'perform-action'.
* doc/guix.texi (Invoking guix system): Document 'guix system describe'
more prominently, and document '--allow-downgrades'.
* gnu/services/ganeti.scm (<ganeti-rapi-configuration>): Set SSL? to #t.
* gnu/tests/ganeti.scm (%ganeti-os): Set SSL? to #f.
* doc/guix.texi (Virtualization Services): Adjust accordingly.
This allows compiling the module without the (gnu packages maven) module being
available.
* guix/build-system/maven.scm (%default-maven-plugins): Rename to
default-maven-plugins, and convert to a procedure.
* doc/guix.texi (maven-build-system): Update.
* gnu/services/networking.scm (<wpa-supplicant-configuration>)[requirement]:
New parameter.
(wpa-supplicant-shepherd-service): Use it instead of hard-coded list.
* doc/guix.texi (Networking Services): Document accordingly.
Suggested by Ricardo Wurmus and Simon Tournier.
* guix/channels.scm (sexp->channel-introduction): New procedure.
(read-channel-metadata): Use it.
(profile-channels)[sexp->channel-introduction]: Remove.
* tests/channels.scm ("latest-channel-instances, authenticate dependency"):
New test.
* doc/guix.texi (Channels)[Declaring Channel Dependencies]: Augment example.
* guix/channels.scm (<channel-introduction>): Rename constructor to
'%make-channel-introduction'.
(make-channel-introduction): New procedure.
* tests/channels.scm ("authenticate-channel, wrong first commit signer")
("authenticate-channel, .guix-authorizations"): Use
'make-channel-introduction' without '@@' and without third argument.
* doc/guix.texi (Channels)[Channel Authentication, Specifying Channel
Authorizations]: New subsections.
* gnu/services/science.scm: New file.
(<rshiny-configuration>): New record.
(rshiny-shepherd-service-type): New variable.
* doc/guix.texi (Miscellaneous Services): Document it.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
* gnu/services/virtualization.scm (<hurd-vm-configuration>)[options]: Remove
"--hda" option.
[id,net-options]: New fields.
(hurd-vm-net-options): New procedure. Parameterize port forwarding with ID.
* gnu/services/virtualization.scm (hurd-vm-shepherd-service): Use them.
Parameterize provision with ID, if set. Hardcode "--hda" option for image.
* doc/guix.texi (Virtualization Services): Document new fields. Update for
hardcoding of "--hda".
