* tests/guix-environment.sh: Test 'guix environment' with two '-m' options.
* doc/guix.texi (Invoking guix environment): Explain that '-m' can be
passed multiple times.

This fixes "guix import texlive translator".

* guix/import/texlive.scm (sxml->package): Add clause for when 'license'
is a list of licences, as is the case with the "translator" package.

* nix/libstore/gc.cc (LocalStore::deletePathRecursive): Display the
percentage reached relative to 'maxFreed', or the total amount of data
deleted when 'maxFreed' is ULLONG_MAX.

This avoids one GET request every time 'fetch-narinfos' is called.
The file itself was essentially useless.

* guix/scripts/substitute.scm (<cache-info>, download-cache-info):
Remove.
(%unreachable-hosts): New variable.
(open-connection-for-uri/maybe): New procedure.
(fetch-narinfos)[handle-narinfo-response]: Check whether NARINFO has its
'path' under (%store-prefix) and ignore it otherwise.  Move
'update-progress!' call before 'if'.
[do-fetch]: Remove 'port' parameter.  Use
'open-connection-for-uri/maybe'.
Remove call to 'download-cache-info'.

* gnu/packages/man.scm (man-pages): Update to 5.04.

* gnu/packages/c.scm (libbytesize): Update to 2.1.
[source, remove]: Remove msgmerge reproducibility work-around.
[inputs]: Use pcre@2.

* gnu/packages/libusb.scm (libplist): Update to 2.1.0.
[source]: Use GIT-FETCH and GIT-FILE-NAME.
[arguments]: Add ‘configure-later’ phase.
[native-inputs]: Add autoconf, automake, and libtool.

* gnu/packages/password-utils.scm (libpwquality): Update to 1.4.2.

* gnu/packages/password-utils.scm (libpwquality)[source]: Hard-code NAME.

* gnu/packages/cran.scm (r-sjstats): Update to 0.17.7.

* gnu/packages/ruby.scm (ruby-prawn-manual-builder): Update to 0.3.1.

* gnu/packages/cran.scm (r-rms): Update to 5.1-4.

* gnu/packages/gnome.scm (gthumb): Update to 3.8.2.

* gnu/packages/ruby.scm (ruby-command-line-reporter): Update to 4.0.1.

* gnu/packages/python-xyz.scm (python-lazy-object-proxy): Update to 1.4.3.

* gnu/packages/finance.scm (monero-gui): Update to 0.15.0.1.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

* gnu/packages/finance.scm (monero): Update to 0.15.0.1.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

* gnu/packages/emacs-xyz.scm (emacs-openwith) New variable.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

* gnu/packages/virtualization.scm (lxc)[arguments]: Add #:make-flags.

* gnu/packages/virtualization.scm (qemu): Update to 4.1.1.
[source](patches): Remove.

* gnu/packages/web.scm (nginx): Update to 1.17.6.

* gnu/packages/linux.scm (libseccomp): Update to 2.4.2.
* gnu/packages/virtualization.scm (qemu-minimal-2.10)[inputs]: Remove "libseccomp".

* gnu/packages/serialization.scm (jsoncpp): Update to 1.9.2.
* gnu/packages/games.scm (minetest)[source](snippet): Add substitution.

* gnu/packages/cpp.scm (json-modern-cxx): Update to 3.7.3.

* gnu/packages/games.scm (minetest): Reindent.

This fixes CVE-2019-13723 and CVE-2019-13724.

* gnu/packages/chromium.scm (%chromium-version): Set to 78.0.3904.108.
(%ungoogled-revision): Set to 8f065138317a6152b20decc224027a5192ba76b1.
(%chromium-origin, %ungoogled-origin): Update hashes.

* gnu/packages/chromium.scm (ungoogled-chromium)[arguments]: Add phase
'increase-resource-limits'.

* gnu/packages/patches/hexchat-crash-exit.patch: New file.
* gnu/packages/hexchat.scm (orgin): Add patch.
* gnu/local.mk (dist_patch_DATA): Add it.

* gnu/packages/web.scm (guix-data-service): Update to 0.0.1-5.23f60a6.

Use the new EMACSLOADPATH, rather than setting GUIX_ENVIRONMENT. This also
allows changing emacs-no-x to emacs-minimal.

* gnu/packages/web.scm (guix-data-service)[arguments]: Remove the
'set-GUIX_ENVIRONMENT phase.
[native-inputs]: Replace emacs-with-modules with emacs-minimal and
emacs-htmlize.

* gnu/packages/emacs-xyz.scm (emacs-guix): Update to 0.5.2.

* gnu/packages/haskell-apps.scm (kmonad): Update to 0.3.0.

* gnu/packages/music.scm (musescore): Update to 3.3.2.

* gnu/packages/emulators.scm (mame): Prevent strict-overflow error on i686
with "NOWERROR" flag.

* doc/guix.texi (Web Services)[fcgiwrap-configuration]: Remove a stray
period.

* gnu/packages/audio.scm (ecasound): Add it.

* gnu/packages/python-xyz.scm (python2-mmtk): Update to 2.7.12.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

* gnu/packages/python-xyz.scm (python2-scientific): New source code location.
Following the annoucement of Bitbucket to delete all
Mercurial repositories in June 2020, the source code has
been migrated to GitHub.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

* gnu/packages/chemistry.scm (nmoldyn): New source code location.
Following the annoucement of Bitbucket to delete all
Mercurial repositories in June 2020, the source code has
been migrated to GitHub.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

* guix/scripts/pack.scm (%options, show-help): Add "--derivation".
(guix-pack): Honor it.
* tests/guix-pack.sh: Test it.
* doc/guix.texi (Invoking guix pack): Document it.