Reported by Thierry Micoud <thierrymicoud@gmail.com>.

* doc/guix.texi (Preparing for Installation): Mention 'mkswap'.

* doc/emacs.texi (Emacs Commands): Move description of 'guix-edit'
command to...
(Emacs Package Locations): ... here.  Document 'guix-find-location'.
New node.
* doc/guix.texi (Top): Add it.

* gnu/system/mapped-devices.scm (device-mapping-service-type): Add
'modules' and 'imported-modules' fields to 'shepherd-service'.
(open-luks-device): Use 'find-partition-by-luks-uuid' to lookup the
partition when SOURCE is a bytevector.
* gnu/system/linux-initrd.scm (base-initrd): Augment 'use-modules'
form.
* doc/guix.texi (Mapped Devices): Give example with a UUID.

* gnu/services/base.scm (console-keymap-service-type): Type procedure
takes a list of files instead of a single file.
(console-keymap-service): Take 'files' as rest arguments.
* doc/guix.texi (Base Services): Improve documentation of
'console-keymap-service'.

* doc/guix.texi (operating-system Reference): Update documentation of
'skeletons' as a followup to e79467f6.

* doc/guix.texi (Using the Configuration System): Use PACKAGE@VERSION
syntax.

* doc/guix.texi (Hardware Considerations): Fix typos.

* doc/guix.texi (Invoking guix package): Remove paragraph about
automatic check for latest GNU releases, which was removed in
6caa4dfa.

* doc/guix.texi (Common Build Options): Add a reference to 'Invoking
guix archive'.

* doc/guix.texi (Invoking guix challenge): Update reproducible-builds
URL.

* doc/guix.texi (Invoking guix challenge): Use https instead of http.

Reported by John Darrington.

* guix/scripts/challenge.scm (guix-challenge): Add an explicit 'exit'
call when ISSUES is empty.
* scripts/guix.in: Add comment about 'exit'.
* doc/guix.texi (Invoking guix challenge): Mention the behavior and exit
code.

* doc/guix.texi (Invoking guix edit): Use the @ syntax for versions.

Before that '.log' files for scheme tests were fragmented and not
included in test-suite.log.  This unifies the semantics of SRFI-64 API
with Automake test suite.

* build-aux/test-driver.scm: New file.
* Makefile.am (SCM_LOG_DRIVER, AM_SCM_LOG_DRIVER_FLAGS): New variables.
(SCM_LOG_COMPILER, AM_SCM_LOG_FLAGS): Delete variables.
(AM_TESTS_ENVIRONMENT): Set GUILE_AUTO_COMPILE to 0.
* test-env.in: Silence guix-daemon.
* doc/guix.texi (Running the Test Suite): Describe how to display the
detailed results.  Bug reports require only 'test-suite.log' file.
* tests/base32.scm, tests/build-utils.scm, tests/builders.scm,
tests/challenge.scm, tests/cpan.scm, tests/cpio.scm, tests/cran.scm,
tests/cve.scm, tests/derivations.scm, tests/elpa.scm,
tests/file-systems.scm, tests/gem.scm, tests/gexp.scm,
tests/gnu-maintenance.scm, tests/grafts.scm, tests/graph.scm,
tests/gremlin.scm, tests/hackage.scm, tests/hash.scm,
tests/import-utils.scm, tests/lint.scm, tests/monads.scm, tests/nar.scm,
tests/packages.scm, tests/pk-crypto.scm, tests/pki.scm,
tests/profiles.scm, tests/publish.scm, tests/pypi.scm,
tests/records.scm, tests/scripts-build.scm, tests/scripts.scm,
tests/services.scm, tests/sets.scm, tests/size.scm, tests/snix.scm,
tests/store.scm, tests/substitute.scm, tests/syscalls.scm,
tests/system.scm, tests/ui.scm, tests/union.scm, tests/upstream.scm,
tests/utils.scm: Don't exit at the end of test groups.
* tests/containers.scm: Likewise.  Use 'test-skip' instead of exiting
with error code 77.

* guix/import/hackage.scm (guix-package->hackage-name, hackage-package?)
  (latest-release): New procedures.
  (%hackage-updater): New variable.
* guix/scripts/refresh.scm (%updaters): Add it.
* doc/guix.texi (Invoking guix refresh): Mention it.

* doc/guix.texi (The Store Monad): Add a dot at the end of a sentence.
  (The Store Monad): Add "are" to make a complete sentence.
  (G-Expressions): Fix typo.

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

* doc/guix.texi (Build Systems): Clearly distinguish between the package that
provides the Python interpreter for the build and the package that is to be
built.  Also, mention why one might want to use a specific Python version.

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

Suggested by Chris Marusich <cmmarusich@gmail.com>.

* doc/guix.texi (Limitations): Increase package count.

Suggested by Chris Marusich <cmmarusich@gmail.com>.

* doc/guix.texi (Proceeding with the Installation): Explain why the
config file should be on the target file system.

Suggested by Chris Marusich <cmmarusich@gmail.com>.

* doc/guix.texi (Preparing for Installation): Add "-v" for dhclient.

Based on a suggestion by Chris Marusich <cmmarusich@gmail.com>.

* doc/guix.texi (System Installation): Suggest running "info info".

Suggested by Chris Marusich <cmmarusich@gmail.com>.

* doc/guix.texi (Proceeding with the Installation): Clarify what
'cow-store' is about.

Suggested by Jan Nieuwenhuizen <janneke@gnu.org>.

* doc/guix.texi (Preparing for Installation): Make it clear that
networking is required.

* doc/guix.texi (Security Updates): Add paragraph on the big picture of
security updates.  Cross-reference 'guix lint'.
(Invoking guix lint): Add CVE URLs.

* doc/guix.texi (Preparing for Installation): Fix typo.

* guix/scripts/environment.scm (launch-environment/container): Change
$HOME to the current user's home directory instead of
/homeless-shelter.  Create a dummy /etc/passwd with a single entry for
the current user.
* doc/guix.texi ("invoking guix environment"): Add a note about the
dummy home directory and /etc/passwd.

* doc/guix.texi (Features): Mention trust and 'guix challenge'.

Suggested by myglc2 <myglc2@gmail.com>.

* doc/guix.texi (Introduction): Rephrase to mention features and use
cases first, and foundations last.
(Features): Mention "GuixSD".
(Utilities): Change intro: not all the tools are for packagers.

* doc/guix.texi (Building the Installation Image): Change image size to 1G.
* build-aux/hydra/gnu-system.scm (qemu-jobs): Likewise.

* doc/guix.texi (System Installation): Refer to 'info-stnd' instead of
'info'.
(Preparing for Installation): Likewise.

* gnu/system/examples/desktop.tmpl (packages): Remove XFCE and
RATPOISON.
(services): Add 'gnome-desktop-service' and 'xfce-desktop-service'.
* gnu/system/examples/lightweight-desktop.tmpl: New file.
* Makefile.am (EXAMPLES): Add it.
* doc.am (OS_CONFIG_EXAMPLES_TEXI): Add
doc/os-config-lightweight-desktop.texi.
* gnu/system/install.scm (/etc/configuration-files)[directory]: Add
lightweight-desktop.tmpl.

* guix/gexp.scm (gexp->derivation): Add #:disallowed-references and
honor it.
* tests/gexp.scm ("gexp->derivation #:disallowed-references, allowed")
("gexp->derivation #:disallowed-references"): New tests.
* doc/guix.texi (G-Expressions): Adjust accordingly.

* guix/derivations.scm (derivation): Add #:disallowed-references.
[user+system-env-vars]: Honor it.
(build-expression->derivation): Likewise.
* tests/derivations.scm ("derivation #:disallowed-references, ok")
("derivation #:disallowed-references, not ok"): New tests.
* doc/guix.texi (Derivations): Adjust accordingly.

Suggested by Jookia <166291@gmail.com>.

* m4/guix.m4 (GUIX_CURRENT_LOCALSTATEDIR, GUIX_CHECK_LOCALSTATEDIR): New
macros.
* config-daemon.ac: Use 'GUIX_CHECK_LOCALSTATEDIR'.
* Makefile.am (DISTCHECK_CONFIGURE_FLAGS): Add --localstatedir.
* doc/guix.texi (Requirements): Mention --localstatedir.
(The Store): Mention LOCALSTATEDIR as such.

Reported by Alex Kost <alezost@gmail.com>.

* doc/guix.texi (Service Reference): Add comma after @xref.

* doc/guix.texi (Limitations): Rephrase item about GNOME and KDE.

Before that, 'guix build --substitute-urls=""' would lead to using the
daemon's own URL list instead of the empty list.  The 'or*' hack, which
is to blame, had become unnecessary since commit
fb4bf72b.

Reported by Mark H Weaver <mhw@netris.org>.

* guix/scripts/substitute.scm (or*): Remove.
(%cache-urls): Use 'or' instead of 'or*'.
* tests/store.scm ("substitute query, alternating URLs"): Add test with
empty URL list.
* doc/guix.texi (Common Build Options): Mention the empty string.

* config-daemon.ac: Check for (gnutls) and define 'GUIX_SUBSTITUTE_URLS'.
* nix/nix-daemon/guix-daemon.cc (main): Use GUIX_SUBSTITUTE_URLS.
* guix/store.scm (%default-substitute-urls): Use 'https' when (gnutls)
is available.
* doc/guix.texi (Binary Installation): Mention mirrors
(Invoking guix-daemon): Mention mirror.hydra.gnu.org.
(Substitutes): Mention mirrors.
(Invoking guix archive): Show https URLs.

* gnu/services/desktop.scm (package-direct-input-selector): New
  function.
  (<gnome-desktop-configuration>, gnome-desktop-service-type)
  (<xfce-desktop-configuration>, xfce-desktop-service-type): New
  variables.
  (gnome-desktop-service, xfce-desktop-service): New public variables.

* doc/guix.texi (Desktop Services): Document new variables.

* doc/guix.texi ("Using the Configuration System"): Move the example...
("Service Reference"): ...to here, and clarify more.
* gnu/services.scm (modify-services): Update docstring to mention the
return type.

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