gnu: libnsbmp: Update to 0.1.6.

* gnu/packages/web.scm (libnsbmp): Update to 0.1.6.

gnu: libdom: Update to 0.4.1.

* gnu/packages/web.scm (libdom): Update to 0.4.1.

gnu: libcss: Update to 0.9.1.

* gnu/packages/web.scm (libcss): Update to 0.9.1.

gnu: libwapcaplet: Update to 0.4.3.

* gnu/packages/web.scm (libwapcaplet): Update to 0.4.3.

gnu: hubbub: Update to 0.3.7.

* gnu/packages/web.scm (hubbub): Update to 0.3.7.

gnu: netsurf-buildsystem: Update to 1.9.

* gnu/packages/web.scm (netsurf-buildsystem): Update to 1.9.

gnu: DarkIce: Update to 1.4.

* gnu/packages/audio.scm (darkice): Update to 1.4.
[source]: Update URL. Remove obsolete patch.
* gnu/packages/patches/darkice-workaround-fpermissive-error.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

gnu: ffmpeg: Update to 4.2.3.

* gnu/packages/video.scm (ffmpeg): Update to 4.2.3.

Signed-off-by: Leo Famulari <leo@famulari.name>

image: Add partition file-system options support.

* gnu/image.scm (<partition>)[file-system-options]: New field,
(partition-file-system-options): new exported procedure.
* gnu/system/image.scm (partition->gexp): Adapt accordingly.
* gnu/build/image.scm (sexp->partition): Also adapt accordingly,
(make-ext-image): and pass file-system options to mke2fs.

services: Fix permissions of directory /var/spool/cups/tmp.

Fixes <https://bugs.gnu.org/41367>.

* gnu/services/cups.scm (%cups-activation): Fix permissions of directory
/var/spool/cups/tmp.

gnu: txr: Update to 238.

* gnu/packages/lisp.scm (txr): Update to 238.
  [arguments]: Don't hardcode "cc=gcc" in configure-flags.

gnu: monero-gui: Update to 0.16.0.0.

* gnu/packages/finance.scm (monero-gui): Update to 0.16.0.0.
  [native-inputs]: Add monero-source.
  [inputs]: Add libgcrypt.
  [arguments]: Add 'get-monero-extra-files' phase.

gnu: monero: Update to 0.16.0.0.

* gnu/packages/finance.scm (monero): Update to 0.16.0.0.

image: Set offset default to zero.

* gnu/image.scm (<partition>)[offset]: Set to zero by default.
* gnu/system/image.scm (system-disk-image): Adapt accordingly.

gnu: virt-manager: Work towards enabling some tests.

* gnu/packages/virtualization.scm (virt-manager)[arguments]: Set #:test-target
to "test_ui", replace the 'check phase.
[native-inputs]: Add some inputs required for running tests.

gnu: python2-dogtail: Switch to Python 3, and add Python 2 variant.

* gnu/packages/python-xyz.scm (python2-dogtail): Rename to python-dogtail.
[name]: Change python2-dogtail to python-dogtail.
[arguments]: Remove #:python.
[propagated-inputs,native-inputs]: Switch Python 2 packages to Python 3
variants.
(python2-dogtail): New variable.

gnu: python2-dogtail: Update to 0.9.11.

There are newer releases on a gitlab.com repository compared to PyPI. Make an
attempt at getting the tests to work, they don't yet I believe because DBus
isn't working properly. This update is a step towards getting a Python 3
variant of the package, which can be used to test virt-manager.

* gnu/packages/python-xyz.scm (python2-dogtail): Update to 0.9.11.
[source]: Switch from PyPI to gitlab.com, as gitlab.com contains newer
releases.
[arguments]: Replace the check phase, and update comment about disabling the
tests.
[propagated-inputs,native-inputs]: Add relevant packages.
[home-page]: Change to https://gitlab.com/dogtail/dogtail/

gnu: python-pyatspi: Propagate python-pygobject.

As python-pygobject is required at runtime.

* gnu/packages/gnome.scm (python-pyatspi)[inputs]: Move python-pygobject to…
[propagated-inputs]: …here.
(python2-pyatspi)[inputs]: Move python2-pygobject to…
[propagated-inputs]: …here.

gnu: Add python2-pyatspi.

This will enable updating python2-dogtail to 0.9.11.

* gnu/packages/gnome.scm (python2-pyatspi): New variable.

system: image: Fix disk-image cross-compilation.

* gnu/system/image.scm (system-disk-image): Use the native version of the
helper packages (e2fsprogs, dosfstools, mtools, genimage, coreutils and
findutils).