* 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.
Suggested by Jelle Licht <jlicht@fsfe.org>.
* gnu/system/install.scm (installation-services): Say 'beta' instead of
'alpha' and make the warning less scary.
Fixes <http://bugs.gnu.org/22927>.
Reported by myglc2 <myglc2@gmail.com>.
This also reverts commit e71ef7adae.
* gnu/packages/fontutils.scm (fontconfig)[arguments]: Add
/run/current-system/profile/share/fonts to --with-add-fonts configure flag.
* gnu/system/shadow.scm (default-skeletons): Do not create "fonts.conf" file.
* gnu/system/install.scm (installation-os)[packages]: Remove TEXINFO-4
since %BASE-PACKAGES already provides the Info reader.
(log-to-info): Use INFO-READER instead of TEXINFO-4.
Fixes <http://bugs.gnu.org/23056>.
Reported by Michael Downey <shaggy814@yandex.com>
and Kei <kei@openmailbox.org>.
* gnu/system/install.scm (installation-os)[file-systems]: Add "/tmp".
This fixes a bug whereby fonts in /run/current-system/profile would be
invisible to Fontconfig.
* gnu/packages/fontutils.scm (fontconfig): Add comment about system
profile not being searched.
* gnu/system/shadow.scm (default-skeletons)[fonts.conf-content,
fonts.conf]: New variable.
Add FONTS.CONF to the skeletons.
Fixes <http://bugs.gnu.org/22633>.
* gnu/build/vm.scm (load-in-linux-vm): Only pass "-enable-kvm" flag to qemu
if "/dev/kvm" is present.
* gnu/system/vm.scm (common-kvm-options): Same as above.
Fixes <http://bugs.gnu.org/22572>.
Reported by Mark H Weaver <mhw@netris.org>.
* gnu/system/locale.scm (%not-dot): New variable.
(denormalize-codeset, locale-name->definition): New procedures.
* gnu/system.scm (locale-name->definition*): New procedure.
(operating-system-locale-directory): Instead of raising an error, add
the missing locale.
* doc/guix.texi (Locales): Adjust accordingly.
* gnu/system/linux-container.scm (containerized-operating-system)[user-file-systems]:
Check whether SOURCE is a string before calling 'string-prefix?'.
* guix/build/bournish.scm: New file.
* Makefile.am (MODULES): Add it.
* gnu/system/linux-initrd.scm (base-initrd): Add (guix build bournish)
and use it.
* gnu/system/pam.scm (<pam-configuration>): New record type.
(/etc-entry): Change 'services' parameter' to 'config'. Honor the
'transform' field of CONFIG.
(extend-configuration): New procedure.
(pam-root-service-type): Use EXTEND-CONFIGURATION as the 'extend'
field.
(pam-root-service): Add #:transform parameter. Service value is a
<pam-configuration>.
Adds modules needed for encrypted root partitions using the Serpent cipher or
Whirlpool digest algorithms.
* gnu/system/linux-initrd.scm (base-initrd)[linux-modules]: Add
"serpent_generic" and "wp512".
Fixes keyboard of MacBook2,1 during early boot, e.g. for typing a password to
mount an encrypted root partition.
* gnu/system/linux-initrd.scm (base-initrd)[linux-modules]: Add "hid-generic"
and "hid-apple".
Fixes <http://bugs.gnu.org/22281>.
Reported by Christopher Allan Webber <cwebber@dustycloud.org>.
* gnu/system/grub.scm (eye-candy): Add 'root-fs' parameter. Replace
'search --file' command in the output with whatever 'grub-root-search'
returns.
(grub-root-search): New procedure.
(grub-configuration-file): Add 'store-fs' parameter. Use
'grub-root-search' instead of hard-coded 'search --file' commands.
* gnu/system.scm (store-file-system,
operating-system-store-file-system): New procedures.
(operating-system-grub.cfg): Use it, and adjust call to
'grub-configuration-file'.
* tests/system.scm: New file.
* Makefile.am (SCM_TESTS): Add it.
This is a followup to ab64483.
* gnu/system.scm (mapped-device-user): Check whether the title of FS is
'device before calling 'string=?'.
* gnu/system/vm.scm (virtualized-operating-system)[user-file-systems]:
Likewise.
Fixes <http://bugs.gnu.org/22176>.
Reported by Florian Paul Schmidt <mista.tapas@gmx.net>.
* gnu/system/file-systems.scm (<file-system>)[mount?]: New field.
(file-system->spec): Adjust accordingly.
* gnu/services/base.scm (file-system-dmd-service): Return the empty list
when FILE-SYSTEM has 'mount?' set to false.
(user-processes-service): Select the subset of FILE-SYSTEMS that matches
'file-system-mount?'.
* doc/guix.texi (File Systems): Document it.
Reported by 宋文武 <iyzsong@openmailbox.org>
at <https://lists.gnu.org/archive/html/guix-devel/2015-11/msg00096.html>.
* doc/guix.texi (System Installation): Comment out encrypted root
partition commands.
* gnu/system/examples/desktop.tmpl (mapped-devices): Remove.
(file-systems): Refer to the root by label.
* NEWS: Adjust.
* gnu/services.scm (system-derivation): New procedure.
(system-service-type): New variable.
(boot-script-entry): New procedure.
(boot-service-type): Extend SYSTEM-SERVICE-TYPE.
(etc-entry): New procedure.
(etc-service-type): Extend SYSTEM-SERVICE-TYPE.
(fold-services): Change default #:target-type to SYSTEM-SERVICE-TYPE.
* gnu/system.scm (operating-system-directory-base-entries): New procedure.
(essential-services): Use it. Add an instance of
SYSTEM-SERVICE-TYPE.
(operating-system-boot-script): Pass #:target-type to 'fold-services'.
(operating-system-derivation): Rewrite in terms of 'fold-services'.
* gnu/system/linux-container.scm (system-container): Remove.
(container-script): Use 'operating-system-derivation'.
* guix/scripts/system.scm (export-extension-graph): Replace
BOOT-SERVICE-TYPE by SYSTEM-SERVICE-TYPE.
* doc/images/service-graph.dot: Add 'system' node and edges.
* doc/guix.texi (Service Composition): Mention SYSTEM-SERVICE-TYPE.
(Service Reference): Document it. Update 'fold-services'
documentation.
* gnu/system/examples/desktop.tmpl: Add 'mapped-devices' field.
Use it in 'file-systems'.
* doc/guix.texi (System Installation): Suggest encrypted partitions.
Give an example of a command sequence.
* gnu/system/locale.scm (localedef-command)[maybe-version-directory]:
New procedure.
Use it.
(locale-directory): Rename to...
(single-locale-directory): ... this. Check the version of LIBC to
determine whether to create a "X.Y" sub-directory or to make it a
symlink to ".". Add the version number in the derivation name.
(locale-directory): New procedure.
(%default-locale-libcs): New variable.
* gnu/system.scm (<operating-system>)[locale-libcs]: New field.
(operating-system-locale-directory): Pass it to 'locale-directory'.
* doc/guix.texi (operating-system Reference): Document 'locale-libcs'.
(Locales)[Locale Data Compatibility Considerations]: New section.
Fixes a regression introduced in commit 0adfe95.
* gnu/system.scm (other-file-system-services)[requirements]: Remove.
[add-dependencies]: New procedure.
Use it.
* gnu/system/file-systems.scm (<file-system>)[dependencies]: Update
comment.
* gnu/services/base.scm (mapped-device->dmd-service-name,
dependency->dmd-service-name): New procedures.
(file-system-service-type): Use it.
On PCs, it means that it will typically choose resolutions higher
than 640x480, which is nicer.
* gnu/system/grub.scm (eye-candy)[setup-gfxterm-body]: Leave 'gfxmode'
unset.
* gnu/system/grub.scm (eye-candy): Accept additional 'system' argument. Add
local 'setup-gfxterm-body' variable. Replace the 'load_video' grub function
with 'setup_gfxterm', which includes everything in the 'if loadfont' form on
Intel systems, but is empty on non-Intel.
(grub-configuration-file): Pass 'system' to 'eye-candy.
This patch rewrites GuixSD services to make them extensible.
* gnu-system.am (GNU_SYSTEM_MODULES): Add gnu/services/dbus.scm.
* gnu/services.scm (<service>): Replace with new record type.
(<service-extension>, <service-type>): New record types.
(write-service-type, compute-boot-script, second-argument): New
procedures.
(%boot-service, boot-service-type): New variables.
(file-union, directory-union, modprobe-wrapper,
activation-service->script, activation-script,
gexps->activation-gexp): New procedures.
(activation-service-type, %activation-service): New variables.
(etc-directory, files->etc-directory, etc-service): New procedures.
(etc-service-type, setuid-program-service, firmware-service-type): New
variables.
(firmware->activation-gexp): New procedure.
(&service-error, &missing-target-service-error,
&ambiguous-target-service-error): New condition types.
(service-back-edges, fold-services): New procedures.
* gnu/services/avahi.scm (<avahi-configuration>): New record type.
(configuration-file): Replace keyword parameters with a single
'config' parameter.
(%avahi-accounts, %avahi-activation, avahi-service-type): New
variables.
(avahi-dmd-service): New procedure.
(avahi-service): Rewrite using 'service' and 'avahi-configuration'.
* gnu/services/base.scm (%root-file-system-dmd-service,
root-file-system-service-type): New variables.
(root-file-system-service): Use them.
(file-system->dmd-service-name): New procedure.
(file-system-service-type): New variable.
(file-system-service): Use it. Replace keyword parameters with a
single 'file-system' object.
(user-unmount-service-type): New variable.
(user-unmount-service): Use it.
(user-processes-service-type): New variable.
(user-processes-service): Use it.
(host-name-service-type): New variable.
(host-name-service): Use it.
(console-keymap-service-type): New variable.
(console-keymap-service): Use it.
(console-font-service-type): New variable.
(console-font-service): Use it.
(mingetty-pam-service, mingetty-dmd-service): New procedures.
(mingetty-service-type): New variable.
(mingetty-service): Use it.
(nscd-dmd-service): New procedure.
(nscd-activation, nscd-service-type): New variables.
(nscd-service): Use the latter.
(syslog-service-type): New variable.
(syslog-service): Use it.
(<guix-configuration>): New record type.
(%default-guix-configuration): New variable.
(guix-dmd-service, guix-accounts, guix-activation): New procedures.
(guix-service-type): New variable.
(guix-service): Replace list of keyword parameters with a single
'config' parameter. Rewrite using 'service'.
(<udev-configuration>): New record type.
(udev-dmd-service): New procedure.
(udev-service-type): New variable.
(udev-service): Use it.
(device-mapping-service-type): New variable.
(device-mapping-service): Use it.
(swap-service-type): New variable.
(swap-service): Use it.
* gnu/services/databases.scm (<postgresql-configuration>): New record
type.
(%postgresql-accounts, postgresql-activation): New variables.
(postgresql-dmd-service): New procedure.
(postgresql-service): Rewrite using 'service' and
'postgresql-configuration'.
* gnu/services/dbus.scm: New file.
* gnu/services/desktop.scm (dbus-configuration-directory, dbus-service):
Remove.
(wrapped-dbus-service): New procedure.
(<upower-configuration>): New record type.
(upower-configuration-file): Replace keyword parameters with single
<upower-configuration> parameter.
(%upower-accounts, %upower-activation): New variables.
(upower-dbus-service, upower-dmd-service): New procedures.
(upower-service-type): New variable.
(upower-service): Rewrite using 'service' and 'upower-configuration'.
(%colord-activation, %colord-accounts): New variables.
(colord-dmd-service): New procedure.
(colord-service-type): New variable.
(colord-service): Rewrite using 'service'.
(<geoclue-configuration>): New record type.
(geoclue-configuration-file): Replace keyword parameters with a single
'config' parameter.
(geoclue-dbus-service, geoclue-dmd-service): New procedures.
(%geoclue-accounts, geoclue-service-type): New variables.
(geoclue-service): Rewrite using 'service' and
'geoclue-configuration'.
(%polkit-accounts, %polkit-pam-services, polkit-service-type): New
variables.
(polkit-dmd-service): New procedure.
(polkit-service): Rewrite using 'service'.
(<elogind-configuration>)[elogind]: New field.
(elogind-dmd-service): New procedure.
(elogind-service-type): New variable.
(elogind-service): Rewrite using 'service'.
(%desktop-services): Remove argument to 'dbus-service'. Remove 'map'
over %BASE-SERVICES.
* gnu/services/dmd.scm (dmd-boot-gexp): New procedure.
(dmd-root-service-type, %dmd-root-service): New variables.
(dmd-service-type): New macro.
(<dmd-service>): New record type.
* gnu/services/lirc.scm (<lirc-configuration>): New record type.
(%lirc-activation): New variable.
(lirc-dmd-service): New procedure.
(lirc-service-type): New variable.
(lirc-service): Rewrite using 'service' and 'lirc-configuration'.
* gnu/services/networking.scm (<static-networking>): New record type.
(static-networking-service-type): New variable.
(static-networking-service): Rewrite using 'service' and
'static-networking'.
(dhcp-client-service-type): New variable.
(dhcp-client-service): Rewrite using 'service'.
(<ntp-configuration>): New record type.
(ntp-dmd-service): New procedure.
(ntp-service-type): New variable.
(ntp-service): New procedure.
(%tor-accounts, tor-service-type): New variable.
(tor-dmd-service): New procedure.
(tor-service): Rewrite using 'service'.
(<bitlbee-configuration>): New record type.
(bitlbee-dmd-service): New procedure.
(%bitlbee-accounts, %bitlbee-activation, bitlbee-service-type): New
variables.
(bitlbee-service): Rewrite using 'service'.
(%wicd-activation): New variable.
(wicd-dmd-service): New procedure.
(wicd-service-type): New variable.
(wicd-service): Rewrite using 'service'.
* gnu/services/ssh.scm (<lsh-configuration>): New record type.
(activation): Rename to...
(lsh-initialization): ... this.
(lsh-activation, lsh-dmd-service, lsh-pam-services): New procedures.
(lsh-service-type): New variable.
(lsh-service): Rewrite using 'service' and 'lsh-configuration'.
* gnu/services/web.scm (<nginx-configuration>): New record type.
(%nginx-accounts): New variable.
(nginx-activation, nginx-dmd-service): New procedures.
(nginx-service-type): New variable.
(nginx-service): Rewrite using 'service' and 'nginx-configuration'.
* gnu/services/xorg.scm (<slim-configuration>): New record type.
(slim-pam-service, slim-dmd-service): New procedures.
(slim-service-type): New variable.
(slim-service): Rewrite using 'service' and 'slim-configuration'.
* gnu/system.scm (file-union): Remove.
(other-file-system-services): Adjust to new 'file-system-service'
signature.
(essential-services): Add #:container? parameter. Add
%DMD-ROOT-SERVICE, %ACTIVATION-SERVICE, and calls to
'pam-root-service', 'account-service', 'operating-system-etc-service',
and a SETUID-PROGRAM-SERVICE instance.
(operating-system-services): Pass #:container? to 'essential-services.
(etc-directory): Remove.
(operating-system-etc-service): New procedure. Rewrite as a call to
'etc-service'.
(operating-system-accounts): Change to not return accounts required by
services.
(operating-system-etc-directory): Rewrite as a call to 'fold-services'
and 'etc-directory'.
(user-group->gexp, user-account->gexp, modprobe-wrapper): Remove.
(operating-system-activation-script): Rewrite as a call to
'fold-services' and 'activation-service->script'.
(operating-system-boot-script): Likewise.
(operating-system-derivation): Add call to 'lower-object'.
(emacs-site-file, emacs-site-directory, shells-file): Change to use
'computed-file' and 'scheme-file' instead of the monadic procedures.
* gnu/system/install.scm (cow-store-service-type): New variable.
(cow-store-service): Rewrite using 'service'.
(/etc/configuration-files): New procedure.
(configuration-template-service-type,
%configuration-template-service): New variables.
(configuration-template-service): Remove.
(installation-services): Adjust accordingly. Adjust argument to
'guix-service'.
* gnu/system/linux.scm (/etc-entry, pam-root-service): New procedures.
(pam-root-service-type): New variable.
* gnu/system/shadow.scm (user-group->gexp, user-account->gexp,
account-activation, etc-skel, account-service): New procedures.
(account-service-type): New variable.
* tests/services.scm: New file.
* doc/guix.texi (Base Services, Desktop Services): Adjust accordingly.
(Defining Services): Rewrite.
* doc/images/service-graph.dot: New file.
* doc.am (DOT_FILES): Add it.
* po/guix/POTFILES.in: Add gnu/services.scm.
* gnu/system/shadow.scm (default-skeletons): Use the non-monadic
procedures and turn into a regular procedure.
(skeleton-directory): Likewise.
* gnu/system.scm (etc-directory): Adjust accordingly.
* gnu/services/avahi.scm (configuration-file): Use 'plain-file' instead
of 'text-file'.
(avahi-service): Turn into a regular procedure that returns a <service>.
* gnu/services/base.scm (root-file-system-service, file-system-service,
user-unmount-service, user-processes-service, host-name-service,
console-keymap-service, console-font-service, mingetty-service,
nscd.conf-file, nscd-service): Likewise.
(%default-syslog.conf): New variable.
(syslog-service): Use it. Turn into a regular procedure.
(guix-service, udev-rules-union, kvm-udev-rule, udev-service,
device-mapping-service, swap-service): Likewise.
* gnu/services/databases.scm (%default-postgres-hba,
%default-postgres-ident): Use 'plain-file' instead of 'text-file'.
(%default-postgres-config): Use 'mixed-text-file' instead of
'text-file*'.
(postgresql-service): Use 'program-file' instead of 'gexp->script'.
Turn into a regular procedure.
* gnu/services/desktop.scm (dbus-configuration-directory): Use
'computed-file' instead of 'gexp->derivation'.
(upower-configuration-file, geoclue-configuration-file,
elogind-configuration-file): Use 'plain-file' instead of 'text-file'.
(dbus-service, upower-service, colord-service, geoclue-service,
polkit-service, elogind-service): Turn into regular procedures.
(%desktop-services): Remove use of 'mlet' when iterating on
%BASE-SERVICES.
* gnu/services/lirc.scm (lirc-service): Turn into a regular procedure.
* gnu/services/networking.scm (static-networking-service,
dhcp-client-service, ntp-service, tor-service, bitlbee-service,
wicd-service): Likewise.
* gnu/services/ssh.scm (lsh-service): Likewise.
* gnu/services/web.scm (nginx-service): Likewise.
* gnu/services/xorg.scm (xorg-configuration-file): Use 'mixed-text-file'
instead of 'text-file*'.
(xorg-start-command, slim-service): Turn into regular procedures.
(xinitrc): Use 'program-file' instead of 'gexp->script'.
* gnu/system/install.scm (cow-store-service,
configuration-template-service): Turn into regular procedures.
* gnu/system.scm (other-file-system-services, device-mapping-services,
swap-services, essential-services, operating-system-services,
user-shells, operating-system-accounts): Remove now unnecessary
'mlet' and turn into regular procedures.
(operating-system-etc-directory, operating-system-activation-script,
operating-system-boot-script): Adjust accordingly.
* doc/guix.texi (Base Services, Networking Services, X Window, Desktop
Services, Database Services, Web Services, Various Services, Name
Service Switch): Adjust accordingly.
* gnu/services/base.scm (mingetty-service): Change default value of
#:motd from a monadic value to a <plain-file>. Assume MOTD to be a
file-like object. Assume LOGIN-PROGRAM is a gexp or #f.
(%base-services): Use 'plain-file' instead of 'text-file' for motd.
* gnu/system/linux.scm (unix-pam-service): Update docstring to mention
that MOTD is a file-like object.
* doc/guix.texi (Base Services): Adjust 'mingetty-service' documentation
accordingly.
* gnu/system/install.scm (installation-services): Adjust accordingly.
(log-to-info): Use 'program-file' instead of 'gexp->script'.
* gnu/packages/base.scm (glibc)[arguments]: Append VERSION to
'libc_cv_localedir'.
* gnu/system/locale.scm (localedef-command): Write to the sub-directory
called (package-version libc) in #$output.
(locale-directory): Create said directory.
* doc/guix.texi (Locales): Mention the per-version sub-directory.
Suggested by Petter <petter@mykolab.ch>
and Mark H Weaver <mhw@netris.org>.
Partly fixes <http://bugs.gnu.org/19190>.
* gnu/system/linux-initrd.scm (base-initrd)[linux-modules]: Add dm-crypt
and xts.
Suggested by Petter <petter@mykolab.ch>
and Mark H Weaver <mhw@netris.org>.
Reported by Duncan Keall <duncan@duncankeall.com>.
Partly fixes <http://bugs.gnu.org/19190> by populating /dev/mapper
early enough.
* gnu/build/linux-boot.scm (mount-essential-file-systems): Mount /dev as
a devtmpfs.
(move-essential-file-systems): Add /dev.
(mount-root-file-system): Mount /rw-root/dev as a devtmpfs instead of
calling 'make-essential-device-nodes'.
(boot-system): Remove call to 'make-essential-device-nodes'.
* gnu/system/file-systems.scm (%devtmpfs-file-system): Remove.
* doc/guix.texi (File Systems): Adjust accordingly.
* gnu/services/base.scm (mingetty-service): Change default value of
#:motd from a monadic value to a <plain-file>. Assume MOTD to be a
file-like object. Assume LOGIN-PROGRAM is a gexp or #f.
(%base-services): Use 'plain-file' instead of 'text-file' for motd.
* gnu/system/linux.scm (unix-pam-service): Update docstring to mention
that MOTD is a file-like object.
* doc/guix.texi (Base Services): Adjust 'mingetty-service' documentation
accordingly.
* gnu/packages/admin.scm (wpa-supplicant-light): Rename to ...
(wpa-supplicant-minimal): ...this.
(wpa-supplicant): Use it.
* gnu/system/install.scm (installation-os): Use it.
* doc/guix.texi (Locales): Introduce "codeset".
<%default-locale-definitions>: Mention the "normalized codeset", with
an xref to libc's manual.
* gnu/system/locale.scm (%default-locale-definitions)[utf8-locale]:
Mention the "normalized codeset" in a comment.
* gnu/build/vm.scm (<partition>): New record type.
(fold2): New procedure.
(initialize-partition-table): Remove #:bootable? and
'partition-size' parameters. Add 'partitions' parameter. Invoke 'parted'
with '--script'.
(initialize-root-partition): Remove.
(initialize-partition, root-partition-initializer): New procedures.
(initialize-hard-disk): Remove #:system-directory, #:disk-image-size,
#:file-system-type, #:file-system-label, #:closures, #:copy-closures?,
#:bootable?, and #:register-closures? parameters. Add #:partitions.
Rewrite to use 'initialize-partition' for each item of PARTITIONS.
* gnu/system/vm.scm (expression->derivation-in-linux-vm): Add (guix records)
to #:modules default value.
(qemu-image): Adjust accordingly.
* gnu/build/vm.scm (initialize-root-partition, initialize-hard-disk): Use the
'umount' procedure instead of invoking the 'umount' command.
* gnu/system/vm.scm (qemu-image): Remove UTIL-LINUX from INPUTS.
* gnu/system.scm (<operating-system>)[kernel-arguments]: New field.
(operating-system-grub.cfg): Honor it.
(operating-system-parameters-file): Add 'kernel-arguments' to the parameters
file.
* guix/scripts/system.scm (previous-grub-entries)[system->grub-entry]: Read
the 'kernel-arguments' field of the parameters file, when available.
* gnu/system/vm.scm (system-qemu-image/shared-store-script):
Use (operating-system-kernel-arguments os) in '-append'.
* doc/guix.texi (operating-system Reference): Document it.
* gnu/system/install.scm (self-contained-tarball): Pass "--mtime=@0". The
only files whose mtime was not already were those in /var/guix and
/gnu/store/.links.
Fixes <http://bugs.gnu.org/19778>.
Reported by Mark H Weaver <mhw@netris.org>.
* gnu/system/file-systems.scm (%uuid-rx): New variable.
(string->uuid): New procedure.
(uuid): New macro.
* tests/file-systems.scm: New file.
* Makefile.am (SCM_TESTS): Add it.
* doc/guix.texi (File Systems): Give an example of UUID.
This bug was introduced in commit 85c3127.
Thanks to Christopher Webber for reporting it.
* gnu/syste/linux-initrd.scm (base-initrd): Include (guix build syscalls)
module in derivation.
* gnu/system/vm.scm (expression->derivation-in-linux-vm): Likewise.
* gnu/build/linux-initrd.scm (write-cpio-archive): Remove 'open-pipe*' and
related calls. Compute list of files in 'files' variable. Use
'cpio:write-cpio-archive'. Remove #:cpio parameter.
(build-initrd): Remove #:cpio parameter.
* gnu/system/linux-initrd.scm (expression->initrd): Likewise, and adjust
BUILDER accordingly. Add (guix cpio) to #:modules.