* gnu/packages/emacs-xyz.scm (emacs-magit): Update to 2.13.1.
[source]: Use 'git-fetch'.

* gnu/packages/emacs-xyz.scm (emacs-haskell-mode)[source]: Use 'git-fetch'.

* gnu/packages/emacs-xyz.scm (emacs-ghub)[source]: Use 'git-fetch'.

* gnu/packages/emacs-xyz.scm (emacs-magit-svn): Update to 2.2.1.

* gnu/packages/emacs-xyz.scm (emacs-magit-svn)[propagated-inputs]: Add
emacs-ghub, emacs-magit-popup.
[arguments]: Adjust accordingly.

* gnu/packages/emacs-xyz.scm (emacs-magit-svn)[source]: Use 'git-fetch'.
[native-inputs]: Remove tar, gzip.
[arguments]: Adjust code accordingly.

* gnu/packages/emacs-xyz.scm (emacs-git-mode)[source]: Use 'git-fetch'.

* gnu/packages/wine.scm (wine-staging-patchset-data): Update to 4.0.
* gnu/packages/wine.scm (wine-staging): Update to 4.0.

* gnu/packages/wine.scm (wine): Update to 4.0.
[inputs]: Add sdl2 and vulkan-loader.
* gnu/packages/wine.scm (wine-staging)[inputs]: Remove sdl2 and vulkan-loader,
inherit from wine instead.

* gnu/packages/linux.scm (%linux-libre-version): Update to 4.20.4.
(%linux-libre-hash): Update hash.

* gnu/packages/linux.scm (%linux-libre-4.19-version): Update to 4.19.17.
(%linux-libre-4.19-hash): Update hash.

The latest tag is many years old, and the latest upstream branch includes
important fixes such as displaying correctly the backtrace upon encountering
errors (see:
https://github.com/rejeep/ert-runner.el/commit/4b6e6cb81fb3cb9db60046f70256555a9ae97459).

* gnu/packages/emacs-xyz.scm (emacs-ert-runner): Update to the latest upstream
commit.
[origin]: Use GIT-FETCH instead of URL-FETCH to mitigate against GitHub's
dynamically generated tarballs.

* doc/guix.texi (Package Modules): Move to...
(Programming Interface): ... here.  Turn into a section.

* doc/guix.texi (Packaging Guidelines): Move to...
* doc/contributing.texi (Packaging Guidelines): ... here.  Turn into a
section.  Adjust references to "Contributing".

* doc/guix.texi (System Installation): Move right after "Installation".

* doc/guix.texi (Introduction): Add note about Guix System.
[Managing Software the Guix Way]: New section heading.
[GNU Distribution]: New subsection of "Introduction".  Mention "Guix
System" rather than "GuixSD" and update the list of supported systems.
(GNU Distribution): Remove as a chapter.
(System Installation, System Configuration, Documentation)
(Installing Debugging Files, Security Updates, Package Modules)
(Packaging Guidelines, Bootstrapping, Porting): Turn these sections
into chapters.

This is because (gnu tests docker) depends on (guix scripts pack).

* guix/self.scm (compiled-guix)[*system-test-modules*]: Add dependency
on *CLI-MODULES*.

* guix/scripts/offload.scm (check-machine-status): Report the time
difference for each MACHINE.

* guix/records.scm (report-duplicate-field-specifier): New procedure.
(make-syntactic-constructor): Call it.
* tests/records.scm ("define-record-type* & duplicate initializers"):
New test.

Co-authored-by: Mark H Weaver <mhw@netris.org>

Previous warnings and errors such as those raised by (guix records)
would not be displayed during the load phase.

* guix/build/compile.scm (load-files): Remove 'parameterize' around
'resolve-interface' call.
(compile-files)[build]: Move 'with-fluids' for *CURRENT-WARNING-PREFIX*
to...
<top level>: ... here.

* gnu/packages/haskell.scm (ghc-case-insensitive): Remove duplicate
'inputs' field.
* gnu/packages/python-xyz.scm (python2-pysnptools): Remove duplicate
'native-inputs' field.
* gnu/tests/install.scm (%separate-home-os): Remove duplicate 'type'
field.

* guix/self.scm: Remove 'reload-guix' export.

* gnu/system/vm.scm: Remove unnecessary (guix scripts pack) import.

* gnu/packages/linux.scm (fakeroot): New variable.

* gnu/packages/linux.scm (genext2fs): New variable.

* gnu/packages/finances.scm (bitcoin-core): Update to 0.17.1.

Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>

* gnu/packages/finance.scm (bitcoin-core)[arguments]<#:phases>[set-home]:
End phase in #t.

* gnu/packages/finance.scm (bitcoin-core)[arguments]<#:phases>
[make-qt-deterministic]: New phase.

Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>

* gnu/packages/base.scm (make-glibc-locales, make-glibc-utf8-locales): New
procedures.
(glibc-locales): Express in terms of make-glibc-locales.
(glibc-utf8-locales): Express in terms of make-glibc-utf8-locales.
(glibc-locales-2.27, glibc-utf8-locales-2.27): New variables.

* gnu/packages/pdf.scm (paps): Update to 0.7.0-1.37e6ca1.
[source]: Fetch from git.
[arguments]: Add phase "do-not-run-configure-script-during-bootstrap".
[native-inputs]: Add autoconf, automake, gettext-minimal, glib:bin and
intltool.
[home-page]: Point to Github.

* gnu/packages/python-web.scm (python-websocket-client): Update to 0.54.0.
[properties]: New field.
(python2-websocket-client)[native-inputs]: Add
python2-backport-ssl-match-hostname.

* gnu/packages/python-xyz.scm (python-isort): Update to 4.3.4.
[source]: Use 'git-fetch'.
[properties]: New field.
(python2-isort)[native-inputs]: Add python2-futures.

* gnu/packages/python-xyz.scm (python-wrapt): Update to 1.11.1.

* gnu/packages/python-xyz.scm (python-virtualenv): Update to 16.1.0.
[arguments]: Move custom 'check phase to custom 'disable-failing-test
phase and re-instate standard 'check phase.

* gnu/packages/guile.scm (guile-bytestructures): Update to 1.0.5.

This removes emacs-xyz.scm from the closure of (gnu packages base).

* gnu/packages/package-management.scm (emacs-nix-mode): Move back to...
* gnu/packages/emacs-xyz.scm (emacs-nix-mode): ... here.  New variable.

This is a followup to commit 5f7467f0.

* tests/guix-system.sh: For <bootloader-configuration> records, use
'target' rather than 'device'.

* guix/store.scm (&nix-error): Rename to...
(&store-error): ... this, and adjust users.
(&nix-connection-error): Rename to...
(&store-connection-error): ... this, and adjust users.
(&nix-protocol-error): Rename to...
(&store-protocol-error): ... this, adjust users.
(&nix-error, &nix-connection-error, &nix-protocol-error): Define these
condition types and their getters as deprecrated aliases.
* build-aux/run-system-tests.scm, guix/derivations.scm,
guix/grafts.scm, guix/scripts/challenge.scm,
guix/scripts/graph.scm, guix/scripts/lint.scm,
guix/scripts/offload.scm, guix/serialization.scm,
guix/ssh.scm, guix/tests.scm, guix/ui.scm,
tests/derivations.scm, tests/gexp.scm, tests/guix-daemon.sh,
tests/packages.scm, tests/store.scm, doc/guix.texi: Adjust to use the
new names.

* guix/store.scm (<nix-server>): Rename to...
(<store-connection>): ... this.  Adjust users accordingly.
(nix-server?, nix-server-major-version)
(nix-server-minor-version, nix-server-socket)
(nix-server-version): Define as deprecated aliases.
* guix/inferior.scm: Adjust accordingly.
* guix/ssh.scm: Likewise.

* guix/deprecation.scm (deprecation-warning-port): Default
to (current-error-port).