gnu: linux-libre 6.1: Update to 6.1.21.

* gnu/packages/linux.scm (linux-libre-6.1-version): Update to 6.1.21.
(linux-libre-6.1-pristine-source): Update hash.

gnu: linux-libre: Update to 6.2.8.

* gnu/packages/linux.scm (linux-libre-6.2-version): Update to 6.2.8.
(linux-libre-6.2-pristine-source): Update hash.

gnu: subversion: Use gexps and remove input labels.

* gnu/packages/version-control.scm (subversion) [source]: Fix indentation.
[arguments]: Use gexps.  Strip trailing #t.  Use search-input-file in
patch-libtool-wrapper-ls phase.
[inputs]: Remove labels and sort.

gnu: subversion: Tentatively reinstate parallel tests.

The tests have been disabled for 3 years, and there have been multiple new
releases of Subversion since.

* gnu/packages/version-control.scm (subversion)
[arguments]: Delete parallel-tests? argument.

gnu: subversion: Update to 1.14.2 [security fixes].

This release contains fixes for CVE-2021-28544 and CVE-2022-24070.

* gnu/packages/version-control.scm (subversion): Update to 1.14.2.

Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>

gnu: komikku: Update to 1.15.0.

* gnu/packages/gnome.scm (komikku): Update to 1.15.0.

Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>

gnu: octave: Remove input labels.

* gnu/packages/maths.scm (octave-cli) [source]: Fix indentation.
[inputs]: Remove labels.
[arguments]: Delete trailing #t.

gnu: octave: Update to 8.1.0.

* gnu/packages/maths.scm (octave): Update to 8.1.0.

Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>

gnu: sbcl-confidence: Fix typo in description.

* gnu/packages/lisp-xyz.scm (sbcl-confidence)
[description]: Fix typo.

Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>

gnu: opencv: Mention it includes the Python bindings.

* gnu/packages/image-processing.scm (opencv)
[description]: Mention the Python bindings are included in this package.

doc: Mention Python 2 packages should not be added anymore.

* doc/contributing.texi (Python Modules): Mention Python 2 packages should not
be added anymore.

services: network-manager: Set LINUX_MODULE_DIRECTORY environment variable.

Fixes <https://issues.guix.gnu.org/62409>.

* gnu/services/networking.scm (network-manager-shepherd-service): Set the
LINUX_MODULE_DIRECTORY environment variable.

gnu: network-manager: Patch modprobe file name.

Partially fixes <https://issues.guix.gnu.org/62409>.

* gnu/packages/gnome.scm (network-manager)
[arguments]: Add patch-modprobe-path phase.
[inputs]: Add kmod.

gnu: network-manager-openvpn: Update to 1.10.2.

* gnu/packages/gnome.scm (network-manager-openvpn): Update to 1.10.2.

gnu: network-manager: Update to 1.43.4.

* gnu/packages/gnome.scm (network-manager): Update to 1.43.4.

gnu: Add soapyremote.

* gnu/packages/radio.scm (soapyremote): New variable.

gnu: Add soapymultisdr.

* gnu/packages/radio.scm (soapymultisdr): New variable.

gnu: python-pre-commit: Move deprecated variable next to replacement.

This fixes a module import dependency cycle, which was introduced in
831baaf81e57ce9d9053ba6f9e0653a2d27298c4 ("gnu: python-pre-commit: Replace
with pre-commit.").  The rule of thumb to avoid these is that the deprecated
package should live next to the replacement package (in the same module).

* gnu/packages/python-xyz.scm (python-pre-commit): Move to...
* gnu/packages/version-control.scm (python-pre-commit): ... here.

gnu: cling: Correct erroneous substitute pattern.

* gnu/packages/llvm.scm (cling) [arguments]: Properly escape '\b' in the
regexp pattern of the patch-paths phase.

gnu: opencv: Absorb opencv-next.

* gnu/packages/image-processing.scm (opencv): Absorb opencv-next, updating
package to 4.7.0.
[arguments]: Simplify the regexps in the disable-broken-tests phase, to make
it easier to understand.  Simply remove the removed lined in the
do-not-install-3rdparty-file phase, instead of leaving it blank.