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2015-11-04doc: Fix typos.Ludovic Courtès
* doc/guix.texi (Invoking guix refresh): Fix typos.
2015-11-04doc: Explain that 'guix publish' relies on the key pair.Ludovic Courtès
* doc/guix.texi (Invoking guix publish): Mention 'guix archive --generate-key'.
2015-11-03import: pypi: add updaterCyril Roelandt
* guix/import/pypi.scm (guix-package->pypi-name, latest-release): New procedures. (%pypi-updater): New variable. * guix/scripts/refresh.scm (%updaters): Add %PYPI-UPDATER. * doc/guix.texi (Invoking guix refresh): Mention PyPI
2015-11-03services: Add 'guix-publish-service'.Ludovic Courtès
* gnu/services/base.scm (<guix-publish-configuration>): New record type. (guix-publish-dmd-service): New procedure. (%guix-publish-accounts, guix-publish-service-type): New variables. (guix-publish-service): New procedure. * doc/guix.texi (Invoking guix publish): Add xref to 'guix-publish-service' anchor. (Base Services): Document 'guix-publish-service'.
2015-11-03doc: Linux-libre 3.19 is needed for using containers.David Thompson
* doc/guix.texi ("invoking guix environment", "invoking guix system"): 3.10 is actually too old without backported patches, so change to 3.19.
2015-11-03doc: './pre-inst-env guix pull' won't upgrade local source tree.Alex Vong
* doc/contributing.texi (Running Guix Before It Is Installed): Clarify './pre-inst-env guix pull' won't upgrade local source tree. * doc/guix.texi (Invoking guix pull): Mention ~/.config/guix/latest. Co-authored-by: Ludovic Courtès <ludo@gnu.org>
2015-11-02services: avahi: Add Avahi to the system profile.Ludovic Courtès
* gnu/services/avahi.scm (avahi-service-type): Extend PROFILE-SERVICE-TYPE. (avahi-service): Adjust docstring. * doc/guix.texi (Networking Services): Adjust accordingly. * gnu/system/examples/desktop.tmpl (packages): Remove AVAHI.
2015-11-02services: wicd: Add Wicd to the system profile.Ludovic Courtès
* gnu/services/networking.scm (wicd-service-type): Extend PROFILE-SERVICE-TYPE. (wicd-service): Mention it in docstring. * doc/guix.texi (Networking Services): Update documentation accordingly. * gnu/system/examples/desktop.tmpl (packages): Remove WICD.
2015-11-02services: Add 'profile-service-type'.Ludovic Courtès
* gnu/services.scm (packages->profile-entry): New procedure. (profile-service-type): New variable. * gnu/system.scm (operating-system-directory-base-entries): Remove the "profile" entry. (essential-services): Add a PROFILE-SERVICE-TYPE instance. (operating-system-profile): Rewrite in terms of 'fold-services'. * doc/guix.texi (Service Reference): Add 'profile-service-type'. * doc/images/service-graph.dot: Likewise.
2015-11-02services: Add 'system-service-type'.Ludovic Courtès
* 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.
2015-11-02doc: Fix typos.Alex Kost
* doc/guix.texi (Invoking guix environment): Fix typos.
2015-11-02doc: Fix typo.Alex Kost
* doc/guix.texi (Invoking guix container): Fix typo.
2015-11-02emacs: Enable 'guix-build-log-minor-mode' in shell buffers.Alex Kost
* emacs/guix-build-log.el (guix-build-log-minor-mode-activate): New variable. (guix-build-log-minor-mode-activate-maybe): New function. * emacs/guix-init.el: Add it to 'shell-mode-hook'. * doc/emacs.texi (Emacs Build Log): Mention it.
2015-11-01scripts: Add 'container' subcommand.David Thompson
* guix/scripts/container.scm: New file. * guix/scripts/container/exec.scm: New file. * po/guix/POTFILES.in: Add them. * Makefile.am (MODULES): Add them. * doc/guix.texi (Invoking guix container): New section.
2015-11-01doc: Mention minimum Linux-libre version for containers.David Thompson
* doc/guix.texi ("invoking guix environment", "invoking guix system"): Mention Linux-libre requirements for container features.
2015-11-01doc: Give an example with an encrypted root partition.Ludovic Courtès
* 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.
2015-11-01services: Add 'udisks-service'.Ludovic Courtès
* gnu/services/desktop.scm (<udisks-configuration>): New record type. (udisks-service-type): New variable. (udisks-service): New procedure. (%desktop-services): Use it. * doc/guix.texi (Desktop Services): Document it.
2015-11-01services: 'polkit-service-type' can now be extended.Ludovic Courtès
* gnu/packages/polkit.scm (polkit)[source]: Adjust snippet so that rules and actions are looked for under /etc/polkit-1. * gnu/services/desktop.scm (<polkit-configuration>): New record type. (polkit-directory, polkit-etc-files, polkit-setuid-programs): New procedures. (polkit-service-type)[compose, extend]: New fields. (polkit-service): Refine docstring. (colord-service-type): Extend POLKIT-SERVICE-TYPE. (elogind-configuration-file): Extend POLKIT-SERVICE-TYPE. * doc/guix.texi (Desktop Services): Update 'polkit-service' documentation.
2015-11-01doc: Suggest diffing things with --no-dereference.Ludovic Courtès
* doc/guix.texi (Invoking guix challenge): Add --no-dereference in 'diff' example.
2015-10-31emacs: Add key bindings for 'guix-build-log-minor-mode'.Alex Kost
* emacs/guix-build-log.el (guix-build-log-mode-map): Move keys to ... (guix-build-log-common-map): ...here. New variable. (guix-build-log-minor-mode-map): New variable. (guix-build-log-minor-mode): Use it. * doc/emacs.texi (Emacs Build Log): Document it.
2015-10-31services: 'tor-service' takes a 'config-file' parameter.Ludovic Courtès
* gnu/services/networking.scm (tor-dmd-service): Take a 'config' parameter and honor it. (tor-service): Take a 'config-file' parameter. Pass it in the service's value. * doc/guix.texi (Networking Services): Adjust accordingly.
2015-10-30scripts: environment: Allow lists of packages in expressions.David Thompson
* guix/scripts/environment.scm (options/resolve-packages): Match against lists of packages when evaluating expressions. * tests/guix-environment.sh: Add test. * doc/guix.texi ("invoking guix environment"): Add docs.
2015-10-30system: Add 'locale-libcs' field.Ludovic Courtès
* 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.
2015-10-30scripts: system: Add 'container' action.David Thompson
* guix/scripts/system.scm (show-help): Display 'container' action. (system-derivation-for-action, guix-system): Add 'container' case. (perform-action): Skip GRUB config generation when building a container. * doc/guix.texi (Invoking guix system): Document it.
2015-10-29doc: Fix outdated description of the bare-bones example.Ludovic Courtès
Reported by fps on #guix. * doc/guix.texi (Using the Configuration System): Replace mention of Emacs with tcpdump.
2015-10-29scripts: environment: Allow mixing regular and ad-hoc packages.David Thompson
This patch changes the --ad-hoc flag to be positional. That is, the packages that appear before --ad-hoc are interpreted as packages whose inputs should be in the environment; the packages that appear after are interpreted as packages to be directly added to the environment. * guix/scripts/environment.scm (tag-package-arg, compact): New procedures. (%options): Tweak the handlers for --load and --expression options. (options/resolve-packages): Preserve package mode tag. (parse-args): Tweak argument handler to use package tagging procedure. (guix-environment): Apply ad-hoc behavior on a per package basis. * tests/guix-environment.sh: Add test. * doc/guix.texi ("invoking guix environment"): Document new behavior of --ad-hoc.
2015-10-29services: Add screen-locker service.Ludovic Courtès
* gnu/system/linux.scm (base-pam-services): Remove "xlock" and "xscreensaver". * gnu/services/xorg.scm (<screen-locker>): New record type. (screen-locker-pam-services, screen-locker-setuid-programs, screen-locker-service): New procedures. (screen-locker-service-type): New variable. * gnu/services/desktop.scm (%desktop-services): Use them. * doc/guix.texi (X Window): Document 'screen-locker-service'. (Desktop Services): Mention it.
2015-10-29doc: Mention Nix in the intro.Ludovic Courtès
* doc/guix.texi (Introduction): Mention Nix with a xref to "Acknowledgments". (Acknowledgments): Add link to nixos.org.
2015-10-28services: Add 'modify-services'.Ludovic Courtès
* gnu/services.scm (%modify-service, modify-services): New macros. * gnu/services/base.scm (mingetty-service-type, guix-service-type): Export. * emacs/guix-devel.el (guix-devel-keywords): Add 'modify-services'. Ditto in 'guix-devel-scheme-indent' call. * doc/guix.texi (Using the Configuration System): Give an example of 'modify-services'. (Service Reference): Document it.
2015-10-28services: 'guix-configuration' has a 'substitute-urls' field.Ludovic Courtès
* gnu/services/base.scm (<guix-configuration>)[substitute-urls]: New field. (guix-dmd-service): Honor it. * doc/guix.texi (Base Services): Document it.
2015-10-28refresh: Support comma-separated updater types.Alex Kost
* guix/scripts/refresh.scm (%options): Handle comma-separated types for '--type' option. (guix-refresh): Adjust accordingly. (show-help): Likewise. * doc/guix.texi (Invoking guix refresh): Document it.
2015-10-28scripts: build: Add --file option.David Thompson
* guix/scripts/build.scm (show-help): Add help text for --file option. (%options): Add --file option. (options/resolve-packages): Handle 'file' options. * tests/guix-build.sh: Add tests. * doc/guix.texi ("invoking guix build"): Add doc.
2015-10-28doc: Add texinfo to the requirements when building from git.Mark H Weaver
* doc/contributing.texi (Building from Git): Add GNU Texinfo to the list of additional requirements.
2015-10-27refresh: Add '--list-updaters' option.Alex Kost
* guix/scripts/refresh.scm (list-updaters-and-exit): New procedure. (%options, show-help): Add '--list-updaters' option. * doc/guix.texi (Invoking guix refresh): Document it.
2015-10-27guix system: Add the 'list-generations' command.Ludovic Courtès
* guix/scripts/system.scm (display-system-generation, list-generations): New procedures. (process-action): Clarify docstring. (process-command): New procedure. (guix-system)[parse-sub-command]: Add 'list-generations' Call 'process-command' instead of 'process-action'. * doc/guix.texi (Using the Configuration System): Mention generations, rollback, and 'list-generations'. (Invoking guix system): Document 'list-generations'.
2015-10-27doc: Add a REPL example.Ludovic Courtès
* doc/contributing.texi (Running Guix Before It Is Installed): Add REPL example. * doc/emacs.texi (Emacs General info): Add @cindex.
2015-10-25scripts: environment: Add --container option.David Thompson
* guix/scripts/system.scm (specification->file-system-mapping): Move from here... * guix/ui.scm (specification->file-system-mapping): ... to here. * guix/scripts/enviroment.scm (show-help): Show help for new options. (%options): Add --container --network, --expose, and --share options. (%network-configuration-files): New variable. (launch-environment, launch-environment/container, requisites*, inputs->requisites): New procedures. (guix-environment): Spawn new process in a container when requested. * doc/guix.texi (Invoking guix environment): Document it. * tests/guix-environment-container.sh: New file. * Makefile.am (SH_TESTS): Add it.
2015-10-21import: cran: Add updater.Ludovic Courtès
* guix/import/cran.scm (downloads->url, nodes->text): New procedures. (cran-sxml->sexp): Use them. Remove equivalent local code. (latest-release, cran-package?): New procedures. (%cran-updater): New variable. * guix/scripts/refresh.scm (%updaters): Add %CRAN-UPDATER. * doc/guix.texi (Invoking guix refresh): Mention CRAN.
2015-10-21refresh: Add '--type' option.Ludovic Courtès
* guix/scripts/refresh.scm (%options, show-help): Add --type. (lookup-updater): New procedure. (update-package): Add 'updaters' parameter and honor it. (guix-refresh)[options->updaters]: New procedure. Use it, and honor --type.
2015-10-20Add 'guix challenge'.Ludovic Courtès
* guix/scripts/challenge.scm, tests/challenge.scm: New files. * Makefile.am (MODULES): Add the former. (SCM_TESTS): Add the latter. * doc.am (SUBCOMMANDS): Add 'challenge'. * doc/guix.texi (Substitutes): Add xref to 'guix challenge'. (Invoking guix challenge): New node. * doc/contributing.texi (Submitting Patches): Add note about using 'guix challenge'. * po/guix/POTFILES.in: Add guix/scripts/challenge.scm.
2015-10-19guix archive: Add '--extract'.Ludovic Courtès
* guix/scripts/archive.scm (show-help, %options): Add --extract. (guix-archive): Honor it. * tests/guix-archive.sh: Test it. * doc/guix.texi (Invoking guix archive): Document it.
2015-10-17doc: emacs: Document "View graph" popup action.Alex Kost
* doc/emacs.texi (Emacs Popup Interface): Document "View graph" action.
2015-10-15doc: Regenerate 'guix graph' examples.Ludovic Courtès
* doc/images/coreutils-bag-graph.dot, doc/images/coreutils-graph.dot: Regenerate from current packages. This removes the weird dependency on 'sed'.
2015-10-14guix system: Add 'dmd-graph' command.Ludovic Courtès
* guix/scripts/system.scm (dmd-service-node-label, dmd-service-node-type, export-dmd-graph): New procedures. (show-help): Add 'dmd-graph'. (guix-system)[parse-sub-command]: Likewise. Honor it. * doc/guix.texi (Invoking guix system): Document it. (dmd Services): Add an illustration and explanation. * doc/images/dmd-graph.dot: New file. * doc.am (DOT_FILES): Add it.
2015-10-14guix system: Add 'extension-graph' command.Ludovic Courtès
* guix/scripts/system.scm (service-node-label, service-node-type, export-extension-graph): New procedures. (guix-system)[parse-sub-command]: Add 'extension-graph'. Honor it. (show-help): Add 'extension-graph'. * doc/guix.texi (Invoking guix system): Document it. (Service Composition): Add cross-reference.
2015-10-13doc: Update "Name Service Switch" to new service framework.Ludovic Courtès
* gnu/services/avahi.scm (avahi-service): Mention the extension of nscd. * doc/guix.texi (Networking Services): Update accordingly. (Name Service Switch): Remove '%my-base-services' example and explanation.
2015-10-12Merge branch 'core-updates'Ludovic Courtès
2015-10-12emacs: Add 'guix-devel-build-package-source'.Alex Kost
Suggested by Ludovic Courtès <ludo@gnu.org>. * guix/scripts.scm (build-package-source): New procedure. * emacs/guix-devel.el (guix-devel-build-package-source): New command. (guix-devel-keys-map): Add key binding for it. * doc/emacs.texi (Emacs Development): Document it.
2015-10-11doc: Fix typo.Alex Kost
* doc/guix.texi (Defining Services): Fix typo.
2015-10-10services: Introduce extensible services.Ludovic Courtès
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.