* gnu/packages/nano.scm (nano): Update to 4.4.

* gnu/packages/package-management.scm (stow): Update to 2.3.1.
[inputs]: Remove perl-clone, perl-clone-choose, perl-hash-merge.
[arguments]: Remove custom 'wrap-stow phase.

* gnu/packages/astronomy.scm (gnuastro): Update to 0.10.

* gnu/services/cuirass.scm (<cuirass-configuration>): Add web-log-file field.
(cuirass-shepherd-service): Read it and use it.
* doc/guix.texi (Continuous Integration): Document it.

* guix/scripts/import/cran.scm (guix-import-cran): Use PACKAGE->DEFINITION
from (guix import utils) instead of custom procedure.

* gnu/packages/mail.scm (dovecot): Update to 2.3.7.2.

* guix/scripts/deploy.scm (guix-deploy): Do not quote the message.

* guix/remote.scm (remote-pipe-for-gexp): Show the exit status in error
message.
* guix/ssh.scm (remote-inferior): Likewise.

* gnu/packages/emacs-xyz.scm (emacs-evil-owl): Update to 0.0.1-2.e8fe5b2.
[inputs]: Remove emacs-posframe, which is now an optional dependency.

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

* guix/diagnostics.scm (%highlight-argument): Don't highlight ARG if it
contains white space.

* guix/scripts/lint.scm (emit-warnings): Use 'info', not 'warning'.
This removes the unhelpful "warning:" prefix that commit
3d33c93c introduced.

* gnu/packages/cedille.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.

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

* gnu/packages/agda.scm (agda-ial): copy library and agdai files when installing.

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

As discussed at
<https://sympa.inria.fr/sympa/arc/swh-devel/2019-08/msg00016.html>.

* guix/swh.scm (string*): New procedure.
(<visit>)[snapshot-url]: Pass 'string*' as the conversion procedure.
[status]: Pass 'string->symbol' as the conversion procedure.
(visit-snapshot): Return #f when 'visit-snapshot-url' returns #f.
(lookup-origin-revision): Filter to visits for which
'visit-snapshot-url' is true.

* guix/git-download.scm (git-fetch): Print a message before calling
'swh-download'.
* guix/swh.scm (swh-download): Add #:log-port.  Write debugging messages
to LOG-PORT.

* gnu/packages/crates-io.scm (rust-walkdir): New variable.

* gnu/packages/crates-io.scm (rust-void): New variable.

* gnu/packages/crates-io.scm (rust-verison-check): New variable.

* gnu/packages/crates-io.scm (rust-untrusted): New variable.

* gnu/packages/crates-io.scm (rust-ucd-trie): New variable.

* gnu/packages/crates-io.scm (rust-typeable): New variable.

* gnu/packages/crates-io.scm (rust-try-lock): New variable.

* gnu/packages/crates-io.scm (rust-try-from): New variable.

* gnu/packages/crates-io.scm (rust-traitobject): New variable.

* gnu/packages/crates-io.scm (rust-tracing-core): New variable.

* gnu/packages/crates-io.scm (rust-tokio-mock-task): New variable.

* gnu/packages/crates-io.scm (rust-threadpool): New variable.

* gnu/packages/crates-io.scm (rust-thread-local): New variable.

* gnu/packages/crates-io.scm (rust-termcolor): New variable.

* gnu/packages/crates-io.scm (rust-streaming-stats): New variable.

* gnu/packages/crates-io.scm (rust-num-traits)[arguments]: Move
rust-autocfg from cargo-development-inputs to cargo-inputs.

* gnu/packages/crates-io.scm (rust-stdweb-internal-test-macro): New
variable.

* gnu/packages/crates-io.scm (rust-stable-deref-trait): New variable.

* gnu/packages/crates-io.scm (rust-security-framework-sys): New
variable.

* gnu/packages/crates-io.scm (rust-scopeguard-0.3): New variable.

* gnu/packages/crates-io.scm (rust-scoped-tls-0.1): New variable.

* gnu/packages/crates-io.scm (rust-schannel): New variable.

* gnu/packages/crates-io.scm (rust-same-file): New variable.

* gnu/packages/crates-io.scm (rust-safemem): New variable.

* gnu/packages/crates-io.scm (rust-regex-syntax): New variable.