* doc/guix.texi (Mail Services): Update accordingly.
* gnu/services/mail.scm (service-configuration)[process-limit]: New field.
(dovecot-configuration)[services]: Set 'process-limit' to its correct default
value.
* doc/guix.texi (Mail Services): Update accordingly.
* gnu/services/mail.scm (service-configuration)[client-limit]: New field.
(dovecot-configuration)[services]: Set 'client-limit' to its correct default
value.
Add an auto-login option that behaves as the one of mingetty-service.
* gnu/services/base.scm (kmscon-configuration)[auto-login]: New field.
(kmscon-service-type): Pass it to kmscon command.
* doc/guix.texi (Base Services): Document it.
Reported by pelzflorian (Florian Pelz) <pelzflorian@pelzflorian.de>.
Fixes <https://bugs.gnu.org/33171>.
* doc/guix.texi (Invoking guix-daemon): Remove sentence that suggests
that TMPDIR leaks into the build environment.
* gnu/services/web.scm (httpd): Make existing httpd-module API public.
* doc/guix.texi (Apache HTTP Server): Document its usage with PHP-FPM.
Signed-off-by: Christopher Baines <mail@cbaines.net>
* doc/guix.texi (Preparing to Use the Bootstrap Binaries): Mention
bootstrap-mes alongside bootstrap-gcc.
(Reducing the Set of Bootstrap Binaries): Mention the Reduced Binary Seed
bootstrap, MesCC-Tools and Mes.
This allows using WPA Supplicant "standalone" without an additional
network manager. The default configuration is unchanged.
* gnu/services/networking.scm (<wpa-supplicant-configuration>): New record type.
(wpa-supplicant-shepherd-service): Pass configuration records to the daemon.
(wpa-supplicant-service-type): Adjust accordingly.
* doc/guix.texi (Networking Services): Document the new service type.
This is more consistent with what 'guix package' does, more pleasant for
users (we no longer clobber ~/.config/guix), and more
cluster-friendly (since /var/guix/profiles is usually an NFS share
already.)
* guix/scripts/pull.scm (%current-profile, %user-profile-directory): New
variables.
(migrate-generations, ensure-default-profile): New procedures.
(guix-pull): Use %CURRENT-PROFILE by default. Call
'ensure-default-profile'.
* doc/guix.texi (Invoking guix pull): Adjust 'guix package -p
~/.config/guix/current' example.
* guix/scripts.scm (warn-about-old-distro): Check %PROFILE-DIRECTORY
"/current-guix".
* gnu/services/version-control.scm (<gitolite-configuration>,
<gitolite-rc-file>): New record types.
(gitolite-accounts, gitolite-activation): New procedures.
(gitolite-service-type): New variables.
* gnu/tests/version-control.scm (%gitolite-test-admin-keypair, %gitolite-os,
%test-gitolite): New variables.
(run-gitolite-test): New procedure.
* doc/guix.texi (Version Control): Document the gitolite service.
* gnu/services/version-control.scm (<gitolite-configuration>,
<gitolite-rc-file>): New record types.
(gitolite-accounts, gitolite-activation): New procedures.
(gitolite-service-type): New variables.
* gnu/tests/version-control.scm (%gitolite-test-admin-keypair, %gitolite-os,
%test-gitolite): New variables.
(run-gitolite-test): New procedure.
* doc/guix.texi (Version Control): Document the gitolite service.
This uses the 'replacement' service slot introduced in the Shepherd
version 0.5.0.
* gnu/services/shepherd.scm (shepherd-service-upgrade): Return a list of
services that need to be restarted to complete their upgrade.
* guix/scripts/system.scm (call-with-service-upgrade-info): Rename an internal
variable to reflect the change to shepherd-service-upgrade.
(upgrade-shepherd-services): Call 'load-services/safe' instead of
'load-services'. Print a message about services that need to be
manually restarted.
* gnu/services/herd.scm (load-services/safe): New procedure.
* doc/guix.texi (Invoking guix system): Document the new behaviour.
Co-authored-by: Ludovic Courtès <ludo@gnu.org>
* gnu/services/web.scm (<varnish-configuration>): New record type.
(%varnish-accounts, %varnish-service-type): New variables.
(varnish-shepherd-service): New procedure.
* gnu/tests/web.scm (%varnish-vcl, %varnish-os): New variables.
(%test-varnish): New test.
* doc/guix.texi (Web Services): Document it.
* gnu/packages/bootstrap.scm (%bootstrap-inputs): Replace %bootstrap-libc,
%bootstrap-gcc, and %bootstrap-binutils with Mes seeds for x86_64 too.
* gnu/packages/commencement.scm (tcc-boot0, tcc-boot, gcc-mesboot1,
gcc-mesboot1-wrapper, m4-mesboot, %bootstrap-inputs+toolchain,
libstdc++-boot0, gcc-boot0, bison-boot0): For x86_64-linux, use i686-linux
glibc-dynamic-linker and Mes bootstrap settings.
(gcc-boot0-intermediate-wrapped): New variable, extract from
static-bash-for-glibc.
(static-bash-for-glibc): Use it.
(gcc-final): Copy gmp&co phase from gcc-boot0, inherit other arguments
from gcc; avoid i686-linux impersonation from gcc-boot0.
* doc/guix.texi (Bootstrapping, Reduced Binary Seed Bootstrap): Note
x86_64-linux also as Reduced Binary Seed bootstrap.
* gnu/services/networking.scm (<iptables-configuration>): New record type.
(iptables-service-type): New variable.
* gnu/tests/networking.scm (run-iptables-test): New procedure.
(%test-iptables): New variable.
* doc/guix.texi (Networking Services): Document it.
* guix/gnupg.scm (%gpgv-command, current-keyring): New variables
(gnupg-verify): Add optional 'keyring' parameter. Use 'gpgv' instead of
'gpg' and pass it '--keyring'.
(gnupg-receive-keys): Add optional 'keyring' parameter and honor it.
(gnupg-verify*): Add #:keyring and honor it.
* guix/scripts/refresh.scm (%options, show-help): Add '--keyring'.
(guix-refresh): Parameterize CURRENT-KEYRING.
* doc/guix.texi (Invoking guix refresh): Document '--keyring' and the
keybox format.
* guix/channels.scm: New file.
* Makefile.am (MODULES): Add it.
* guix/scripts/pull.scm: Use it.
(%default-options): Remove 'repository-url' and 'ref'.
(show-help, %options): Add '--channels'.
(%self-build-file, %pull-version, build-from-source)
(whole-package-for-legacy, derivation->manifest-entry): Remove. These
now exist in a similar form in (guix channels).
(build-and-install): Change 'source' to 'instances'. Remove #:url,
#:branch, and #:commit. Rewrite using 'channel-instances->manifest'.
(channel-list): New procedure.
(guix-pull): Parameterize %REPOSITORY-CACHE-DIRECTORY. Call
'honor-lets-encrypt-certificates!' unconditionally. Load
~/.config/guix/channels.scm. Rewrite to use (guix channels).
[use-le-certs?]: Remove.
* po/guix/POTFILES.in: Add (guix channels).
* doc/guix.texi (Invoking guix pull): Group the description of '--url',
'--commit', and '--branch'. Remove mention of 'GUIX_PULL_URL'. Add
references to "Channels". Document '--channels'.
(Channels): New node.
(Defining Packages): Link to "Channels" instead of "Package Modules".
(Invoking guix edit): Link to "Package Modules" instead of "Defining
Packages".
(Package Modules): Document both GUIX_PACKAGE_PATH and channels.
* gnu/services/ssh.scm (<openssh-configuration>)[log-level]: New field.
(openssh-config-file): Honor it.
* doc/guix.texi (Networking Services): Document it.
* doc/guix.texi (Networking Services): Document it, and mention that
tor-service is deprecated.
* gnu/services/networking.scm (<tor-configuration>) <socks-socket-type>:
New field.
(tor-configuration->torrc): When socks-socket-type is 'unix, set
SocksPort to UNIX domain socket /var/run/tor/socks-sock and set
UnixSocksGroupWritable to 1.
* gnu/tests/networking.scm (%tor-os/unix-socks-socket): Instead of using
a custom config file, just set socks-socket-type to 'unix.
Fixes <https://bugs.gnu.org/32473>.
Reported by HiPhish <hiphish@posteo.de>.
* doc/guix.texi (Top, Defining Packages): In menu, remove extra space
before "::".
Otherwise the global counterpart is never taken into account.
* doc/guix.texi (Version Control Services): Update accordingly.
* gnu/services/cgit.scm (repo-boolean?, serialize-repo-boolean): Use the
DEFINE-MAYBE macro to allow for the 'disabled value.
(repository-cgit-configuration)[enable-commit-graph?, enable-log-filecount?,
enable-log-linecount?, enable-remote-branches?, enable-subject-links?,
enable-html-serving?]: Change default value to 'disabled.
Reported by Pierre Neidhardt <ambrevar@gmail.com>.
* doc/guix.texi (Invoking guix-daemon): Fix an incorrect statement
regarding --gc-keep-outputs. Add a little to the description of this
option and --gc-keep-derivations.
* gnu/packages/cups.scm (hplip-minimal): New variable.
* gnu/packages/scanner.scm (sane-backends)[inputs]: Replace hplip with
hplip-minimal.
* doc/guix.texi (Printing Services): Change example code to use
hplip-minimal in place of hplip. Add note explaining when use hplip.
* doc/guix.texi (Binary Installation)
(USB Stick and DVD Installation, Running GuixSD in a VM): Use
"https://alpha.gnu.org" instead of the now deprecated FTP URLs.
This is a follow-up to commit a33652ee33.
* doc/guix.texi (Prometheus Node Exporter Service): Remove trailing whitespace
and change "defvr" to "defvar".
* gnu/services/monitoring.scm (prometheus-node-exporter-service-type):
New variable.
(<prometheus-node-exporter-configuration>): New record type.
(prometheus-node-exporter-shepherd-service): New procedure.
* gnu/doc/guix.texi (Monitoring Services): Document it.
* gnu/tests/monitoring.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add test module.
Partly fixes <https://bugs.gnu.org/30312>.
* doc/guix.texi (Preparing for Installation): Add note on how to choose
between UEFI and BIOS.
(Using the Configuration System)[Bootloader]: New subsubsection.
(Bootloader Configuration): Expound on the bootloader type and target.
* gnu/system/examples/desktop.tmpl: Switch to UEFI.
* gnu/system/examples/bare-bones.tmpl: Explicitly mention "legacy" and
"BIOS" in the comments.
* gnu/system/shadow.scm (default-skeletons): Substitute ‘--color=auto’
for ‘--color’ (which implies ‘=always’) in aliases.
* doc/guix.texi (G-Expressions): Also adjust examples as that makes
more sense.
Fixes <https://bugs.gnu.org/31591>.
* gnu/services/sound.scm (<alsa-configuration>)[alsa-plugins]: New field.
(alsa-config-file): Use 'pcm_type.pulse' and 'ctl_type.pulse' to specify file
paths to the 'pulse' plugin.
* doc/guix.texi (Sound Services): Document this.
Co-authored-by: 宋文武 <iyzsong@member.fsf.org>
* gnu/system/install.scm (os-with-u-boot): New procedure.
* gnu/packages/bootloaders.scm (make-u-boot-package): Export.
* doc/guix.texi (Building the Installation Image for ARM Boards): New
subsection.
The next commits make (sqlite3) an indirect dependency of (gnu build
install), which is itself used by (guix scripts system), hence this new
requirement.
* configure.ac: Error out when $guix_cv_have_recent_guile_sqlite3 is
false. Remove HAVE_GUILE_SQLITE3 Automake conditional.
* Makefile.am (MODULES, SCM_TESTS): Remove HAVE_GUILE_SQLITE3 conditions.
* doc/guix.texi (Requirements): Add Guile-SQLite3.
* README: Ditto.
* gnu/packages/package-management.scm (guix)[propagated-inputs]: Add
GUILE-SQLITE3.
[arguments]: In 'wrap-program' phase, take guile-sqlite3 into account.
This helpful when adding content to the nginx configuration file, which isn't
supported by the record type used for the configuration. For example, like
adding proxy_cache_path configuration.
* gnu/packages/web.scm (<nginx-configuration>): Add new extra-content field.
(nginx-configuration-extra-content): New field accessor.
(default-nginx-config): Add support for the extra-content field.
* doc/guix.texi (NGINX): Document the new extra-content field.
* guix/scripts/pull.scm (%pull-version): New variable.
(build-from-source): Pass #:pull-version to BUILD.
(whole-package-for-legacy, derivation->manifest-entry): New procedure.
(build-and-install): Rewrite in terms of 'build-and-use-profile'.
* guix/scripts/system.scm (maybe-suggest-running-guix-pull)[latest]:
Switch to "/current".
* scripts/guix.in (augment-load-paths!): Remove use of
~/.config/guix/latest.
* build-aux/compile-as-derivation.scm: Replace "/guix/latest/" with
"/current/share/guile/site/X.Y"
* guix/scripts.scm (warn-about-old-distro)[age]: Check "/current"
instead of "/latest".
* doc/guix.texi (Invoking guix pull): Document it.
* doc/contributing.texi (Running Guix Before It Is Installed): Remove
footnote about abusing ~/.config/guix/latest.
The 'no-negcache?' option is mapped to the '--no-negcache' command-line
argument directly, but we're in the scheme world, where the general guideline
is to avoid double-negations in identifiers.
* gnu/services/dns.scm <dnsmasq-configuration>: Replace the 'no-negcache?'
field with 'negative-cache?'.
* doc/guix.texi (DNS Services)[Dnsmasq Service]: Adjust accordingly.
* gnu/services/dns.scm (dnsmasq-service-type): New variable.
(<dnsmasq-configuration>): New record type.
(dnsmasq-shepherd-service): New procedure.
* doc/guix.texi (DNS Services): Document it.
The 'title' field was easily overlooked and was an endless source of
confusion. Now, the value of the 'device' field is self-contained.
* gnu/system/file-systems.scm (<file-system>): Change constructor name
to '%file-system'.
[title]: Remove.
(<file-system-label>): New record type with printer.
(report-deprecation, device-expression)
(process-file-system-declaration, file-system): New macros.
(file-system-title): New procedure.
(file-system->spec, spec->file-system): Adjust to handle
<file-system-label>.
* gnu/system.scm (bootable-kernel-arguments): Add case for
'file-system-label?'.
(read-boot-parameters): Likewise.
(mapped-device-user): Avoid 'file-system-title'.
(fs->boot-device): Remove.
(operating-system-boot-parameters): Use 'file-system-device' instead of
'fs->boot-device'.
(device->sexp): Add case for 'file-system-label?'.
* gnu/bootloader/grub.scm (grub-root-search): Add case for
'file-system-label?'.
* gnu/system/examples/bare-bones.tmpl,
gnu/system/examples/beaglebone-black.tmpl,
gnu/system/examples/lightweight-desktop.tmpl,
gnu/system/examples/vm-image.tmpl: Remove uses of 'title'.
* gnu/system/vm.scm (virtualized-operating-system): Remove uses of
'file-system-title'.
* guix/scripts/system.scm (check-file-system-availability): Likewise,
and adjust fix-it hint.
(check-initrd-modules)[file-system-/dev]: Likewise.
* gnu/build/file-systems.scm (canonicalize-device-spec): Remove 'title'
parameter.
[canonical-title]: Remove.
Match on SPEC's type rather than on CANONICAL-TITLE.
(mount-file-system): Adjust caller.
* gnu/build/linux-boot.scm (boot-system): Interpret ROOT here.
* gnu/services/base.scm (file-system->fstab-entry): Remove use of
'file-system-title'.
* doc/guix.texi (File Systems): Remove documentation of the 'title'
field. Rewrite documentation of 'device' and document
'file-system-label'.
Instead of having the service manage the list, it's useful to be able to point
this at an existing file, for example, when using cgit together with gitolite.
* gnu/services/cgit.scm (project-list?): New procedure.
(serialize-project-list): Handle file-object values.
(<cgit-configuration>): Change the predicate for project-list to allow lists
and file-objects.
* nix/libstore/build.cc (canBuildLocally): Allow building armhf-linux
builds on aarch64-linux.
(DerivationGoal::runChild) Throw error if attempting to build for
armhf-linux on an unsupported platform.
* doc/guix.texi (Invoking guix build): Document how to build natively
for armhf-linux on aarch64-linux. Add note that on some aarch64
machines this is unsupported.
Suggested by Martin Castillo <castilma@uni-bremen.de>.
Fixes <https://bugs.gnu.org/31456>.
* doc/guix.texi (Invoking guix size): Clarify that 'guix size' looks for
ungrafted packages. Clarify that it can be passed several package
specifications.
* gnu/packages/aux-files/run-in-namespace.c: New file.
* Makefile.am (AUX_FILES): Add it.
* guix/scripts/pack.scm (<c-compiler>): New record type.
(c-compiler, bootstrap-c-compiler, c-compiler-compiler): New procedures.
(self-contained-tarball): Use
'relative-file-name' for the SOURCE -> TARGET symlink.
(docker-image): Add 'defmod' to please Geiser.
(wrapped-package, map-manifest-entries): New procedures.
(%options, show-help): Add --relocatable.
(guix-pack): Honor it.
* gnu/services/base.scm (%default-gpm-options): New variable.
(<gpm-configuration>)[gpm, options]: Add default values.
(gpm-service-type)[default-value]: New field.
(gpm-service): Use %DEFAULT-GPM-OPTIONS and mark as deprecated.
* doc/guix.texi (Base Services): Document 'gpm-service-type' and
'gpm-configuration'. Remove 'gpm-service'.
* doc/guix.texi (Networking Services): Document it.
* gnu/services/networking.scm (dhcpd-service-type): Add it.
(dhcpd-configuration, dhcpd-configuration?): Add it.
(dhcpd-configuration-package): Add it.
(dhcpd-configuration-config-file): Add it.
(dhcpd-configuration-version): Add it.
(dhcpd-configuration-run-directory): Add it.
(dhcpd-configuration-lease-file): Add it.
(dhcpd-configuration-pid-file): Add it.
(dhcpd-configuration-interfaces): Add it.
* gnu/tests/networking.scm (minimal-dhcpd-v4-config-file)
(dhcpd-v4-configuration, %dhcpd-os, run-dhcpd-test, %test-dhcpd): New
variables.
* doc/guix.texi (Version Control Services): Update accordingly.
* gnu/services/cgit.scm (cgit-configuration)[project-list]: New field.
(serialize-project-list): New procedure that uses PLAIN-FILE to generate a
file from the string list given by the user as input.
(serialize-cgit-configuration): Make sure to serialize 'project-list' before
'repostory-directory'.
* guix/gexp.scm (<scheme-file>)[splice?]: New field.
(scheme-file): Add #:splice? and pass it to '%scheme-file'.
(scheme-file-compiler): Pass SPLICE? to 'gexp->file'.
(gexp->file): Add #:splice? and honor it.
* tests/gexp.scm ("gexp->file + #:splice?"): New test.
("gexp->derivation & with-imported-module & computed module"): Use
#:splice? #t.
* etc/guix-install.sh (ROOT_HOME): New variable.
(sys_create_store, sys_enable_guix_daemon, sys_authorize_build_farms):
Use ROOT_HOME instead of ~root or the HOME environment variable.
* doc/guix.texi (Binary Installation): Instead of assuming that ~ and
$HOME refer to root's directory simply because commands are being run
as root, explicilty refer to it via ~root.
Fixes: <https://bugs.gnu.org/30728>
* gnu/system/vm.scm (system-docker-image): New procedure.
* guix/scripts/system.scm (system-derivation-for-action): Add a case for
docker-image, and in that case, call system-docker-image.
(show-help): Document docker-image.
(guix-system): Parse arguments for docker-image.
* doc/guix.texi (Invoking guix system): Document "guix system
docker-image".
* gnu/system/examples/docker-image.tmpl: New file.
* guix/scripts/pack.scm (bootstrap-xz): New variable.
(%options) <--bootstrap>: New option.
(show-help): Document the new --bootstrap option.
(guix-pack): When --bootstrap is specified, use the bootstrap Guile,
tar, and xz to build the pack, and do not use any profile hooks or
locales.
* doc/guix.texi (Invoking guix pull): Document the new --bootstrap
option.
* tests/guix-pack.sh: New file.
* Makefile.am (SH_TESTS): Add guix-pack.sh.
* gnu/packages/package-management.scm (guix) <inputs>: Add util-linux.
* doc/guix.texi (Base Services): Add realtime and jackd indices to the
`pam-limits-service' service, as the examples shows how they can be
configured.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
* gnu/packages/ntp.scm (openntpd)[arguments]: Add 'configure-flags to
set openntpd daemon's user and localstatedir. Add a custom phase to not
try to create said directory at install time.
* gnu/services/networking.scm (<openntpd-configuration>): New record type.
(openntpd-shepherd-service, openntpd-service-activation): New procedures.
(openntpd-service-type): New variable.
* doc/guix.texi (Networking Services): Add openntpd documentation.
* doc/guix.texi (Messaging Services): Update accordingly.
* gnu/services/configuration.scm (serialize-configuration,
serialize-maybe-stem, serialize-package): Return strings or string-valued
gexps (these procedures were only used for their side-effects).
* gnu/services/messaging.scm (serialize-field, serialize-field-list,
enclose-quotes, serialize-raw-content, serialize-ssl-configuration,
serialize-virtualhost-configuration-list,
serialize-int-component-configuration-list,
serialize-ext-component-configuration-list,
serialize-virtualhost-configuration, serialize-int-component-configuration,
serialize-ext-component-configuration, serialize-prosody-configuration):
Return strings or string-valued gexps and stop printing.
(prosody-activation): Use SERIALIZE-PROSODY-CONFIGURATION's return value with
MIXED-TEXT-FILE instead of using its output with PLAIN-FILE.
(serialize-non-negative-integer, serialize-non-negative-integer-list): Convert
numbers to strings.
(file-object?, serialize-file-object, file-object-list?,
serialize-file-object-list): New procedures.
(ssl-configuration)[capath, cafile], (prosody-configuration)[plugin-paths,
groups-file]: Replace FILE-NAME with FILE-OBJECT.
* guix/gexp.scm (file-like?): New exported procedure.
Fixes a regression in installation tests, whereby 'guix system init'
would report that virtio modules are missing for the target devices.
In practice virtio modules were always available since 'base-initrd' was
always called with #:virtio? #t. This commit simply moves them to
'%base-initrd-modules' so that 'guix system' knows they're available.
Reported by Danny Milosavljevic <dannym@scratchpost.org> at
<https://debbugs.gnu.org/cgi/bugreport.cgi?bug=30629#112>.
* gnu/system/linux-initrd.scm (default-initrd-modules): Add virtio
modules.
(base-initrd): Remove #:virtio? and 'virtio-modules'.
* gnu/system/vm.scm (expression->derivation-in-linux-vm)
(system-qemu-image, virtualized-operating-system): Remove uses of
#:virtio?.
* doc/guix.texi (Initial RAM Disk): Update 'base-initrd' doc.
* gnu/system.scm (<operating-system>)[initrd-modules]: New field.
(operating-system-initrd-file): Pass #:linux-modules to 'make-initrd'.
* gnu/system/linux-initrd.scm (default-initrd-modules): New procedure.
(%base-initrd-modules): New macro.
(base-initrd): Add #:linux-modules and honor it.
* gnu/system/install.scm (embedded-installation-os): Use
'initrd-modules' instead of 'initrd'.
* gnu/tests/install.scm (%raid-root-os): Likewise.
* doc/guix.texi (operating-system Reference): Add 'initrd-modules'.
(Initial RAM Disk): Document it. Adjust example to not use
#:extra-modules.
This change allows overriding the home directory of all filesystem mappings to
help hide the identity of the calling user in a container.
* doc/guix.texi (Invoking guix environment)[--container]: Mention --user.
[--user]: Add item.
* guix/scripts/environment.scm (show-help): Add --user.
(%options): Add --user.
(launch-environment/container) Add 'user' parameter. Update doc. Override
'user-mappings' using 'override-user-mappings'. Consider override for chdir.
(mock-passwd, user-override-home, overrid-euser-dir): New procedures.
(guix-environment): Disallow --user without --container. Provide user to
'launch-environment/container'.
* tests/guix-environment.sh: Add user test.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
This change is motivated by attempts to run programs (like GNU IceCat) within
containers. The 'fontconfig' program, for example, is configured explicitly
to check ~/.guix-profile for additional fonts.
There were no existing container tests in 'tests/guix-environment.sh', but I
added one anyway for this change.
* doc/guix.texi (Invoking guix environment): Add '--link-profile'.
* guix/scripts/environment.scm (show-help): Add '--link-profile'.
(%options): Add 'link-profile' as '#\P', assigned to 'link-profile?'.
(link-environment): New procedure.
(launch-environment/container): Use it when 'link-profile?'.
[link-profile?]: New parameter.
(guix-environment): Leave when '--link-prof' but not '--container'. Add
'#:link-profile?' argument to 'launch-environment/container' application.
* tests/guix-environment-container.sh: New '--link-profile' test.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>