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.
* gnu/build/python-build-system.scm (python-output): New procedure.
(site-packages, install): Use python-output to find the output path.
(wrap, rename-pth-file): Use site-packages where appropriate.
* doc/guix.texi (Build Systems): Mention the new behavior.
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".
* doc/guix.texi (Invoking guix pull): Delete a paragraph about the --verbose
option, which was removed in 1edcfda81b.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
* guix/channels.scm (<channel-metadata>)[url]: New field.
(read-channel-metadata): Initialize it.
(read-channel-metadata-from-source): Likewise.
(channel-instance-primary-url): New procedure.
(latest-channel-instances): Compare CHANNEL's URL against it.
* doc/guix.texi (Channels)[Primary URL]: New subsection.
Fixes <https://bugs.gnu.org/22883>.
* guix/channels.scm (<channel>)[introduction]: New field.
(<channel-introduction>): New record type.
(%guix-channel-introduction): New variable.
(%default-channels): Use it.
(<channel-metadata>)[keyring-reference]: New field.
(%default-keyring-reference): New variable.
(read-channel-metadata, read-channel-metadata-from-source): Initialize
the 'keyring-reference' field.
(commit-short-id, verify-introductory-commit)
(authenticate-channel): New procedures.
(latest-channel-instance): Call 'authenticate-channel' when CHANNEL has
an introduction.
* tests/channels.scm (gpg+git-available?, commit-id-string): New
procedures.
("authenticate-channel, wrong first commit signer"):
("authenticate-channel, .guix-authorizations"): New tests.
* doc/guix.texi (Invoking guix pull): Mention authentication.
Suggested by Maxim Cournoyer via IRC.
* doc/guix.texi (The Hurd in a Virtual Machine): Explicitly mention that
hurd-vm and childhurd are two names for this service.
The amount of packages has more than tripled since this section was written.
Adjust the rebuild limits and cycle lengths based on current practices.
* doc/contributing.texi (Submitting Patches): Increase 'staging' rebuild limit
to 1800 packages, and adjust the cycle to six weeks. Increase 'core-updates'
cycle to six months.
* gnu/services/virtualization.scm (hurd-vm-shepherd-service,
hurd-vm-disk-image): New procedures.
(%hurd-vm-operating-system, hurd-vm-service-type): New variables.
(<hurd-vm-configuration>): New record type.
* doc/guix.texi (Virtualization Services): Document it.
* gnu/services/shepherd.scm (scm->go): Use let-system, remove FIXME. Fixes
fixes cross-building of shepherd modules for the Hurd image.
* gnu/services/hurd.scm (<hurd-gettty-configuration>): New record.
(hurd-ttys-shepherd-service): New procedure.
(hurd-getty-service-type): New variable.
* doc/guix.texi (Hurd Services): Document it.
