[[PGP Signed Part:No public key for 7C7AFFBEFEF2CB25 created at 2020-05-14T11:15:53+0200 using RSA]]
To test this, I made a presentation about guix git workflow in emacs:
https://www.rohleder.de/~mike/guix-workflow/

maybe, its useful for someone.

From 528ccdab63cf399012582450491be6df3d8cc431 Mon Sep 17 00:00:00 2001
From: Michael Rohleder <mike@rohleder.de>
Date: Thu, 14 May 2020 08:16:49 +0000
Subject: [PATCH] gnu: emacs-org-re-reveal: Update to 2.12.2.

* gnu/packages/emacs-xyz.scm (emacs-org-re-reveal): Update to 2.12.2.

This is a follow-up of 7f6d3f39 and merely
a copy-and-paste of Marius Bakke's fix.

* gnu/packages/embedded.scm (gcc-arm-none-eabi-7-2018-q2-update)[arguments]:
Add phase to remove the default compiler from CPLUS_INCLUDE_PATH.
[native-inputs]: Distinguish GCC-5.

Fix error from 'udisks': “Failed to get contents of the config
dir (/etc/libblockdev/conf.d/)Error opening directory
"/etc/libblockdev/conf.d/": No such file or directory.”

* gnu/packages/disk.scm (libblockdev)[arguments]: Add phase
'patch-configuration-directory'.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

* gnu/packages/disk.scm (libblockdev)[inputs]: Move
gobject-introspection to ...
[native-inputs]: ... here.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

The line is too long and HTML docs are build fine without it.

* gnu/packages/freedesktop.scm (udisks)[arguments]: Remove configure
flag '--enable-gtk-doc'.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

* gnu/packages/freedesktop.scm (udisks): Update to 2.8.4.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

* guix/build/syscalls.scm (getxattr): New procedure.
* tests/syscalls.scm ("getxattr, setxattr"): Test it, together with setxattr.

Fixes <https://bugs.gnu.org/41246>.
Reported by  tsmish <tsymsh@gmail.com>.

* gnu/packages/engineering.scm (freehdl)[source](patches): New field.
[native-inputs]: Remove GCC-5.

* guix/build/compile.scm (optimization-options)[strip-option]
[override-option]: New procedures.
Add case for "gnu/services".  Change "gnu/packages" to
'-O0 -Opartial-eval'.

* gnu/services/audio.scm: Import (ice-9 format).

* guix/build/syscalls.scm (setxattr): New procedure.

Co-authored-by: Ludovic Courtès <ludo@gnu.org>

* gnu/packages/qt.scm (libqglviewer): New variable.

* gnu/packages/shellutils.scm (hstr): Update to 2.2.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

Fixes <https://bugs.gnu.org/41210>.
Reported by Ricardo Wurmus <rekado@elephly.net>.

* gnu/packages/embedded.scm (gcc-arm-none-eabi-4.9)[arguments]: Add phase to
remove the default compiler from CPLUS_INCLUDE_PATH.
[native-inputs]: Distinguish GCC-5.

Fixes <https://bugs.gnu.org/41209>.
Reported by Ricardo Wurmus <rekado@elephly.net>.

* gnu/packages/avr.scm (avr-gcc-4.9)[arguments]: Add phase to hide the default
GCC from CPLUS_INCLUDE_PATH.
[native-inputs]: Distinguish GCC-5.

Change the indentation to match what Emacs does.

* gnu/packages/finance.scm (bitcoin-core): Change indentation of many lines.

* gnu/packages/ruby.scm (ruby-2.7): New variable.

Signed-off-by: Christopher Baines <mail@cbaines.net>

* gnu/packages/ruby.scm (ruby-2.5): Update to 2.5.8.

* gnu/packages/ruby.scm (ruby-2.4): Update to 2.4.10.
[source]: Remove a now redundant patch
* gnu/packages/patches/ruby-rubygems-276-for-ruby24.patch: Delete file.
* gnu/local.mk: Remove deleted patch.

No packages in Guix depend on Ruby 2.3, and it was declared as end-of-life on
2019-03-31 by the upstream project.

* gnu/packages/ruby.scm (ruby-2.3): Remove variable.

* gnu/packages/fonts.scm (font-gnu-freefont)[arguments]: Install WOFFs
into ‘share/fonts/webfonts’.

Signed-off-by: Tobias Geerinckx-Rice <me@tobias.gr>

* gnu/packages/fonts.scm (font-gnu-freefont)[arguments]<#:phases>:
Change ‘share/fonts’ subdirectories from ‘ttf’ and ‘otf’ back to
‘truetype’ and ‘opentype’, respectively.

Signed-off-by: Tobias Geerinckx-Rice <me@tobias.gr>

* gnu/packages/web.scm (libyaml): Update to 0.2.4.
(libyaml-0.2): Remove variable.
* gnu/packages/haskell-xyz.scm (ghc-libyaml)[inputs]: Change from LIBYAML-0.2
to LIBYAML.

* gnu/packages/web.scm (libyaml-0.2): Update to 0.2.4.

* gnu/packages/web.scm (libyaml-2.1): Rename to ...
(libyaml-0.2): ... this.
* gnu/packages/haskell-xyz.scm (ghc-libyaml)[inputs]: Adjust accordingly.

* gnu/packages/glib.scm (appstream-glib)[inputs]: Remove LIBYAML.

* gnu/packages/tbb.scm (tbb): Update to 2020.2.

* gnu/packages/compression.scm (ecm): New variable.

* gnu/packages/mail.scm (mumi): Update to 0.0.1-2.5a57832.
[inputs]: Remove guile-sqlite3; add guile-fibers.

* guix/import/cran.scm (default-r-packages): Add "datasets" to the list of
default R packages.

Signed-off-by: Ricardo Wurmus <rekado@elephly.net>

* gnu/packages/kde.scm (kdevelop): Update to 5.5.1.

* gnu/packages/kde.scm (kdevelop-pg-qt): Update to 2.2.1.
[source]: Download using git-fetch.

* gnu/packages/vpn.scm (wireguard-tools)[arguments]: Add phase
'wrap-wg-quick'.
[inputs]: Add 'openresolv', 'iproute' and 'iptables'.

* gnu/packages/dns.scm (openresolv): New variable.

* doc/guix.texi (Proxy Settings, Derivations): Mention 'https_proxy'.

* gnu/packages/python-web.scm (python-websockets): New variable.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

* gnu/packages/haskell-apps.scm (darcs): The irc log this URL pointed
to disappeared. It was never archived, and in retrospective it is
better to point only to the manual of darcs itself.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

* .mailmap: change email and name for Nikita.
* Makefile.am, doc/guix.texi, etc/completion/fish/guix.fish,
gnu/packages/accessibility.scm, gnu/packages/admin.scm,
gnu/packages/audio.scm, gnu/packages/autotools.scm, gnu/packages/cdrom.scm,
gnu/packages/check.scm, gnu/packages/cinnamon.scm,
gnu/packages/compression.scm, gnu/packages/crypto.scm,
gnu/packages/databases.scm, gnu/packages/django.scm, gnu/packages/dns.scm,
gnu/packages/elixir.scm, gnu/packages/emacs-xyz.scm, gnu/packages/emacs.scm,
gnu/packages/enlightenment.scm, gnu/packages/erlang.scm,
gnu/packages/fonts.scm, gnu/packages/fontutils.scm, gnu/packages/forth.scm,
gnu/packages/fvwm.scm, gnu/packages/games.scm, gnu/packages/gl.scm,
gnu/packages/gnome.scm, gnu/packages/gnunet.scm, gnu/packages/gnupg.scm,
gnu/packages/gtk.scm, gnu/packages/guile-wm.scm, gnu/packages/guile-xyz.scm,
gnu/packages/haskell-apps.scm, gnu/packages/haskell-check.scm,
gnu/packages/haskell-crypto.scm, gnu/packages/haskell-xyz.scm,
gnu/packages/haskell.scm, gnu/packages/image-viewers.scm,
gnu/packages/image.scm, gnu/packages/irc.scm, gnu/packages/language.scm,
gnu/packages/libcanberra.scm, gnu/packages/linux.scm,
gnu/packages/lisp-xyz.scm, gnu/packages/lisp.scm, gnu/packages/lolcode.scm,
gnu/packages/lxde.scm, gnu/packages/lxqt.scm, gnu/packages/mail.scm,
gnu/packages/markup.scm, gnu/packages/mate.scm, gnu/packages/maths.scm,
gnu/packages/mc.scm, gnu/packages/messaging.scm, gnu/packages/music.scm,
gnu/packages/ncurses.scm, gnu/packages/networking.scm,
gnu/packages/nickle.scm, gnu/packages/openbox.scm, gnu/packages/pdf.scm,
gnu/packages/perl-check.scm, gnu/packages/perl.scm,
gnu/packages/python-compression.scm, gnu/packages/python-crypto.scm,
gnu/packages/python-web.scm, gnu/packages/python-xyz.scm,
gnu/packages/python.scm, gnu/packages/qt.scm, gnu/packages/ruby.scm,
gnu/packages/rust.scm, gnu/packages/scheme.scm,
gnu/packages/serialization.scm, gnu/packages/shells.scm,
gnu/packages/ssh.scm, gnu/packages/suckless.scm, gnu/packages/tbb.scm,
gnu/packages/telephony.scm, gnu/packages/text-editors.scm,
gnu/packages/textutils.scm, gnu/packages/time.scm, gnu/packages/tls.scm,
gnu/packages/tor.scm, gnu/packages/version-control.scm,
gnu/packages/video.scm, gnu/packages/vim.scm, gnu/packages/web.scm,
gnu/packages/wm.scm, gnu/packages/xdisorg.scm, gnu/packages/xfce.scm,
gnu/packages/xml.scm, gnu/packages/xorg.scm, gnu/services/certbot.scm,
gnu/services/desktop.scm, gnu/services/version-control.scm,
gnu/services/web.scm, guix/import/hackage.scm, guix/licenses.scm: Likewise.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

* gnu/packages/patches/glm-restore-install-target.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/maths.scm (glm): Update to 0.9.9.8.
[arguments]: New field.

* gnu/packages/python-xyz.scm (python-gevent): Update to 20.5.0.