* gnu/packages/gnome.scm (gnome-control-center): Substitute correct path to
  passwd.

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

* gnu/packages/password-utils.scm (cracklib): Use `make dict`.

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

* gnu/packages/python-xyz.scm (python-translate-toolkit)[home-page]: Use HTTPS.

* gnu/packages/python-xyz.scm (python-beautifulsoup4): Update to 4.7.1.
[native-inputs]: Add PYTHON-SOUPSIEVE.

* gnu/packages/python-xyz.scm (python-soupsieve)[properties]: New field.
(python2-soupsieve): Inherit using STRIP-PYTHON2-VARIANT.
[propagated-inputs]: Inherit from BASE.

* gnu/packages/python-xyz.scm (python-cython)[home-page]: Use HTTPS.

* gnu/packages/django.scm (python-django): Update to 1.11.21.

* gnu/packages/tls.scm (openssl-next): Update to 1.1.1c.

* gnu/packages/photo.scm (gphoto2): Update to 2.5.23.

* gnu/packages/photo.scm (libgphoto2): Update to 2.5.23.

* gnu/packages/regex.scm (re2): Update to 2019-06-01.

* gnu/packages/xorg.scm (xorg-server): Update to 1.20.5.
(xorg-server-for-tests): Stay on 1.20.4.

* gnu/packages/python-crypto.scm (python-cryptography-vectors,
python-cryptography): Update to 2.7.

* gnu/packages/gnupg.scm (gnupg): Update to 2.2.16.

* gnu/packages/crypto.scm (libsodium): Update to 1.0.18.

* gnu/packages/patches/libevent-2.0-CVE-2016-10195.patch,
gnu/packages/patches/libevent-2.0-CVE-2016-10196.patch,
gnu/packages/patches/libevent-2.0-CVE-2016-10197.patch,
gnu/packages/patches/libevent-2.0-evbuffer-add-use-last-with-datap.patch,
gnu/packages/patches/libevent-dns-tests.patch: Delete files.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/libevent.scm (libevevent-2.0): Remove variable.

* gnu/packages/libevent.scm (libevent)[home-page]: Use HTTPS.

This simplifies the logic of recursive-import, intending no
major functional changes. The package import function is no
longer called twice per package. Failed imports now make it
to the package stream as '() instead of #f.

* guix/import/utils.scm (recursive-import): Simplify.

Signed-off-by: Oleg Pykhalov <go.wigust@gmail.com>

* gnu/build/linux-boot.scm (boot-system): Fix e2fsck warning.

* gnu/packages/package-management.scm (guix): Update to 4a54ed77.

* gnu/packages/vpn.scm (wireguard): Update to 0.0.20190601.

* gnu/packages/emacs-xyz.scm (emacs-google-translate): Update to 0.11.17.
[source]: Use 'git-fetch' method instead of 'url-fetch'.

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

This adds partial support for Cabal properties that use curly
braces instead of the layout rule.  See for example
https://hackage.haskell.org/package/cassava/



* guix/import/cabal.scm (read-braced-value): New procedure.
(is-property): Remove.
(is-layout-property, is-braced-property): New variables.
(lex-property): Rename to...
(lex-layout-property): ... this.
(lex-braced-property, lex-property): New procedures.
(lex-token): Add call to 'lex-property'.
* guix/tests/hackage.scm: Test braced description import.
* tests/hackage.scm (test-cabal-multiline-desc): Rename to...
(test-cabal-multiline-layout): ... this.
("hackage->guix-package test multiline desc"): Rename to...
("hackage->guix-package test multiline desc (layout)"): ... this.
(test-cabal-multiline-braced): New variable.
("hackage->guix-package test multiline desc (braced)"): New test.

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

* tests/hackage.scm (test-cabal-multiline-desc): New variable.
("hackage->guix-package test multiline desc"): New test.

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

This is a followup to 1cc12357.

* tests/hackage.scm: ghc-mtl is no longer added as an input.

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

When a server publishes several URLs with different compression methods,
'guix substitute' can now choose the best one among the compression
methods that it supports.

* guix/scripts/substitute.scm (<narinfo>)[uri]: Replace with...
[uris]: ... this.
[compression]: Replace with...
[compressions]: ... this.
[file-size]: Replace with...
[file-sizes]: ... this.
[file-hash]: Replace with...
[file-hashes]: ... this.
(narinfo-maker): Adjust accordingly.  Ensure 'file-sizes' and
'file-hashes' have the right length.
(assert-valid-signature, valid-narinfo?): Use the first element of
'narinfo-uris' in error messages.
(read-narinfo): Expect "URL", "Compression", "FileSize", and "FileHash"
to occur multiple times.
(display-narinfo-data): Call 'select-uri' to determine the file size.
(%compression-methods): New variable.
(supported-compression?, compresses-better?, select-uri): New
procedures.
(process-substitution): Call 'select-uri' to select the URI and
compression.
* guix/scripts/weather.scm (report-server-coverage): Account for all the
values returned by 'narinfo-file-sizes'.
* tests/substitute.scm ("substitute, narinfo with several URLs"): New
test.

This allows 'guix publish' to compress and advertise multiple
compression methods from which users can choose.

* guix/scripts/publish.scm (actual-compression): Rename to...
(actual-compressions): ... this.  Expect REQUESTED to be a list, and
always return a list.
(%default-options): Remove 'compression.
(store-item->recutils): New procedure.
(narinfo-string): Change #:compression to #:compressions (plural).
Adjust accordingly.
(render-narinfo, render-narinfo/cached): Likewise.
(bake-narinfo+nar): Change #:compression to #:compressions.
[compressed-nar-size]: New procedure.
Call 'compress-nar' for each item returned by 'actual-compressions'.
Create a narinfo for each compression.
(effective-compression): New procedure.
(make-request-handler): Change #:compression to #:compressions.
Use 'effective-compression' to determine the applicable compression.
(guix-publish): Adjust handling of '--compression'.
Print a message for each compression that is enabled.
* tests/publish.scm ("/*.narinfo"): Adjust to new narinfo field
ordering.
("/*.narinfo with properly encoded '+' sign"): Likewise.
("/*.narinfo with lzip + gzip"): New test.
("with cache, lzip + gzip"): New test.
* doc/guix.texi (Invoking guix publish): Document it.

* gnu/packages/guile-xyz.scm (guile-srfi-159): New variable.

* guix/build/guile-build-system.scm (report-build-progress): Use a
format string suitable for (guix status).

* guix/build/guile-build-system.scm (build): Add
 #:not-compiled-file-regexp and honor it.
* guix/build-system/guile.scm (guile-build): Likewise.
(guile-cross-build): Likewise.

* guix/build/guile-build-system.scm (invoke-each)[processes]: New
variable.
[wait-for-one-process]: Check PROCESSES and update it.
[fork-and-run-command]: Update PROCESSES.

* gnu/packages/guile-xyz.scm (guile-gi): New variable.

* gnu/packages/audio.scm (faudio): Update to 19.06.

* gnu/packages/debian (debootstrap): Update to 114.

* gnu/packages/debian (debian-archive-keyring): Update to 2019.01.

* gnu/packages/algebra.scm (giac): Update to 1.5.0-57.

* gnu/packages/music.scm (musescore): Update to 3.1.

* guix/build/compile.scm (%default-optimizations): Adjust to the new
names in Guile 2.9.2.

* gnu/services/herd.scm (open-connection): Use 'block for 'setvbuf'.

The (srfi srfi-19) module of Guile 2.9.2 catches the wrong type.

* guix/progress.scm (%progress-interval): Change type to TIME-DURATION.