gnu: python-decorator: Update to 4.0.10.

* gnu/packages/python.scm (python-decorator): Update to 4.0.10.

gnu: python-pycparser: Use ‘modify-phases’ syntax.

* gnu/packages/python.scm (python-pycparser)[arguments]: Use
‘modify-phases’.

gnu: python-pycparser: Update to 2.17.

* gnu/packages/python.scm (python-pycparser): Update to 2.17.

gnu: beets: Build with Python 3.

* gnu/packages/music.scm (beets)[arguments]: Build with python@3.
(native-inputs): Use Python-2 variants of all inputs.
(inputs): Use Python-2 variants of all inputs. Remove python-pyechonest.

gnu: beets: Update to 1.4.2.

* gnu/packages/music.scm (beets): Update to 1.4.2.

gnu: python-pyicu: Update to 1.9.5.

* gnu/packages/python.scm (python-pyicu, python2-pyicu): Update to 1.9.5.
[source]: Use pypi-uri.

gnu: yosys: Update to 0.7.

* gnu/packages/fpga.scm (yosys): Update to 0.7.

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

gnu: yosys: Add xdot functionality.

* gnu/packages/fpga.scm (yosys)[inputs]: Add xdot, graphviz and psmisc.
[arguments]: Add 'fix-paths' phase.

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

gnu: Add xdot.

* gnu/packages/graphviz.scm (xdot): New variable.

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

ui: It's 2017 now!

* guix/ui.scm (show-version-and-exit): Change year to 2017.

syscalls: 'terminal-columns' swallows ENOSYS.

* guix/build/syscalls.scm (terminal-columns): Catch ENOSYS.

services: cuirass: Remove 'cuirass-service' procedure.

* gnu/services/cuirass.scm (<cuirass-configuration>)[specifications]:
Remove default value.
(cuirass-service): Remove.
* doc/guix.texi (Continuous Integration): Adjust accordingly.

services: cuirass: Allow for gexps in specifications.

* 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-maintenance: Update ViewVC URLs.

* guix/gnu-maintenance.scm (%gnumaint-base-url): Change "/gnumaint" to
"/womb/gnumaint".
(%package-list-url, %package-description-url): Adjust accordingly.

gexp: Support 'ungexp' forms in improper lists.

* guix/gexp.scm (gexp)[collect-escapes, substitute-references]: Replace
the (exp0 exp ...) patterns with (exp0 . exp) to match improper lists.
Adjust clause bodies accordingly.
* tests/gexp.scm ("one input package, dotted list"): New test.

gexp: Properly report substitution errors.

* guix/gexp.scm (gexp)[substitute-ungexp]: Wrap body in 'with-syntax'
and pass EXP as the last argument to 'syntax-error'.
[substitute-ungexp-splicing]: Pass EXP as the last argument to
'syntax-error'.

gnu: python-ndg-httpsclient: Use pypi-uri.

* gnu/packages/python.scm (python-ndg-httpsclient, python2-ndg-httpsclient)
[source]: Use pypi-uri.

gnu: diffoscope: Embed tool references.

Fixes <http://bugs.gnu.org/25315>.

* gnu/packages/package-management.scm (diffoscope)[inputs]: Add
colordiff and vim.
[arguments]: Add "embed-tool-references" build phase to embed references
to "colordiff", "xxd", and "readelf".

gnu: mariadb: Update to 10.1.20.

* gnu/packages/databases.scm (mariadb): Update to 10.1.20.

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

gnu: mysql: Update to 5.7.17.

* gnu/packages/databases.scm (mysql): Update to 5.7.17.

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