gnu: python-bz2file: Disable tests.

* gnu/packages/python.scm (python-bz2file)[arguments]: Disable
tests.
(python2-bz2file)[arguments]: New field.

gnu: zsh: Move to shells.scm.

* gnu/packages/zsh.scm (zsh): Move from here ...
* gnu/packages/shells.scm (zsh): ... to here.
* gnu/packages/zsh.scm: Delete file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Remove zsh.scm.

gnu: tcsh: Move to shells.scm.

* gnu/packages/tcsh.scm (tcsh): Move from here ...
* gnu/packages/shells.scm (tcsh): ... to here.
* gnu/packages/tcsh.scm: Delete file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Remove tcsh.scm.

gnu: rc: Move to shells.scm.

* gnu/packages/rc.scm (rc): Move from here ...
* gnu/packages/shells.scm (rc): ... to here.
* gnu/packages/rc.scm: Delete file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Remove rc.scm.

gnu: fish: Move to shells.scm.

* gnu/packages/fish.scm (fish): Move from here ...
* gnu/packages/shells.scm (fish): ... to here.
* gnu/packages/fish.scm: Delete file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Remove fish.scm.

gnu: Add dash.

* gnu/packages/shells.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Register it.

Update NEWS.

mapped-devices: raid-device-mapping: Avoid non-top-level 'use-modules'.

Fixes <http://bugs.gnu.org/24135>.
Reported by myglc2 <myglc2@gmail.com>.

* gnu/system/mapped-devices.scm (open-raid-device): Avoid non-top-level
'use-modules' form.

guix system: Fix the Shepherd error handling fix.

This is a followup to aa1e73a996ad170fecac848f203528aeb3d2173e.

* guix/scripts/system.scm (with-shepherd-error-handling): Return two
values when an exception is caught.

build: Add missing procps patch to the distribution.

The patch was added to gnu/local.mk in
d46123aade7bc5226004eb46ee1084dc84f2b30a and inadvertently removed in a
subsequent merge.

* gnu/local.mk (dist_patch_DATA): Add procps-non-linux.patch.

guix system: Properly report Shepherd errors when upgrading services.

Fixes regression introduced in 8bf92e3904cb656d4c2160fc8befebaf21a65492.
Reported by myglc2 <myglc2@gmail.com> in <http://bugs.gnu.org/24135>.

* guix/scripts/system.scm (with-shepherd-error-handling): Rename 'body'
to 'mbody'.  Expand to a monadic procedure that runs MBODY.

doc: Clarify distinction between "service" and "Shepherd service".

* doc/guix.texi (Services): Distinguish "service" and "Shepherd
service".  Add xref to "Shepherd Services".

doc: Fix typo.

* doc/guix.texi (Locales): Add missing 'of'.

gnu: python-atomicwrites: Update to 1.1.0.

* gnu/packages/python.scm (python-atomicwrites, python2-atomicwrites):
Update to 1.1.0.

gnu: Add Seren.

* gnu/packages/telephony.scm (seren): New variable.

Signed-off-by: Alex Kost <alezost@gmail.com>

gnu: Add Elixir.

* gnu/packages/elixir.scm: New file.
* gnu/packages/patches/elixir-disable-failing-tests.patch: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add module.
(dist_patch_DATA): Add patch.

Co-authored-by: Ricardo Wurmus <rekado@elephly.net>

gnu: libressl: Update to 2.4.2.

* gnu/packages/tls.scm (libressl): Update to 2.4.2.

system: Define 'GUIX_LOCPATH' to work around 'glibc' package defect.

Our 'glibc' package currently ignores /run/current-system/locale,
although the intent is to look for locales in that directory.

* gnu/packages/base.scm (glibc/linux): Add comment about
/run/current-system/locale being ignored.
* gnu/system.scm (operating-system-environment-variables): Add
'GUIX_LOCPATH'.
* gnu/tests/base.scm (run-basic-test): Add "locale" test.

tests: Make sure threads use separate output ports.

* tests/publish.scm (with-separate-output-ports): New macro.
<top level>: Use it when spawning new thread.
("/*.narinfo with compression"): Likewise.

tests: Work around Guile bug with unbuffered custom binary input ports.

Reported by Chris Marusich <cmmarusich@gmail.com>
at <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=24060#19>

* tests/publish.scm (http-get-port): Remove 'setvbuf' call for the
response port.