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* services: avahi: Deprecate the 'avahi-service' procedure.Ludovic Courtès2019-01-16
| | | | | | | | | | | | * gnu/services/avahi.scm (<avahi-configuration>): Export getters. Add default values. (avahi-service-type)[default-value]: New field. (avahi-service): Mark as deprecated. * gnu/services/desktop.scm (%desktop-services): Use the 'service' form instead of calling 'avahi-service'. * gnu/tests/base.scm (%avahi-os): Likewise. * doc/guix.texi (Base Services): Adjust example accordingly. (Networking Services): Update accordingly.
* tests: docker: Run a guest guile inside the docker container.Danny Milosavljevic2019-01-15
| | | | | | | | * gnu/tests/docker.scm (run-docker-test): Add parameters. Load and run docker container. Check response of guest guile. (build-tarball&run-docker-test): New procedure. (%test-docker): Use it. [description]: Modify.
* services: Deprecate a few more service procedures.Ludovic Courtès2019-01-11
| | | | | | | | | | | | | | | | | | These procedures were already either undocumented (and de facto deprecated) or documented as deprecated or redundant. * gnu/services/base.scm (guix-service, guix-publish-service): Mark as deprecated. * gnu/services/mcron.scm (mcron-service): Likewise. * gnu/services/networking.scm (tor-service): Likewise. * doc/guix.texi (Scheduled Job Execution): Remove 'mcron-service' and adjust example. (Networking Services): Remove 'tor-service'. * gnu/tests/base.scm (%mcron-os): Use 'mcron-service-type' instead of 'mcron-service'. * gnu/tests/networking.scm (%tor-os): Use 'tor-service-type' instead of 'tor-service'. * tests/guix-system.sh: Likewise.
* tests: Nitpick on Docker test.Ludovic Courtès2019-01-11
| | | | | | | This is a followup to 7d8a4eeacc534c8742e0b22d855aa73e5ab66b7f. * gnu/local.mk (GNU_SYSTEM_MODULES): Add gnu/tests/docker.scm. * gnu/tests/docker.scm: Update copyright line.
* tests: docker: Fix test.Danny Milosavljevic2019-01-10
| | | | | * gnu/tests/docker.scm (run-docker-test): Set memory and disk size. (%docker-os): Add elogind service.
* tests: Add Docker system test.Danny Milosavljevic2019-01-10
| | | | * gnu/tests/docker.scm: New file.
* gnu: php-with-bcmath: Deprecate in favour of 'php'.Oleg Pykhalov2019-01-01
| | | | | | | This is a follow-up to 4629d26755aa06344fb8f515fb0202776e70c429. * gnu/packages/php.scm (php-with-bcmath): Deprecate in favour of 'php'. * gnu/tests/monitoring.scm (%zabbix-os): Use this.
* services: Add quassel.Efraim Flashner2018-12-24
| | | | | | | | | * gnu/services/messaging.scm (<quassel-configuration>): New record type. (%quassel-account, %quassel-activation): New procedures. (quassel-service-type): New variable. * gnu/tests/messaging.scm (%test-quassel): New variable. (run-quassel-test): New procedure. * doc/guix.texi (Messaging): Document quassel service.
* file-systems: Spawn a REPL only when interaction is possible.Ludovic Courtès2018-12-18
| | | | | | | | | | | Fixes <https://bugs.gnu.org/23697>. Reported by Jan Nieuwenhuizen <janneke@gnu.org>. * gnu/build/file-systems.scm (check-file-system): Call 'start-repl' only if current-input-port passes 'isatty?'. * gnu/services/shepherd.scm (shepherd-configuration-file): After 'for-each' expression, call 'redirect-port'. * gnu/tests/base.scm (run-basic-test)["stdin is /dev/null"]: New test.
* services: monitoring: Add 'zabbix-front-end'.Oleg Pykhalov2018-12-17
| | | | | | | | | | * gnu/services/monitoring.scm (nginx-server-configuration-list?, serialize-nginx-server-configuration-list, zabbix-front-end-configuration, zabbix-front-end-config, zabbix-front-end-activation, generate-zabbix-front-end-documentation): New procedures. (%zabbix-front-end-configuration-nginx, %maintenance.inc.php, zabbix-front-end-service-type): New variables. * doc/guix.texi (Monitoring Services): Document this.
* services: monitoring: Add 'zabbix-agent'.Oleg Pykhalov2018-12-17
| | | | | | | | | | | * gnu/services/monitoring.scm (zabbix-server-service-type, zabbix-agent-account, zabbix-agent-activation, zabbix-agent-config-file, zabbix-agent-shepherd-service, generate-zabbix-agent-documentation): New procedures. (zabbix-agent-service-type): New 'service-type'. * gnu/tests/monitoring.scm (run-zabbix-server-test): Test 'zabbix-agent'. (%zabbix-os): Add 'zabbix-agent' service. * doc/guix.texi (Monitoring Services): Document 'zabbix-agent'.
* services: monitoring: Add 'zabbix-server'.Oleg Pykhalov2018-12-17
| | | | | | | | | | | | | | | | | * gnu/services/monitoring.scm (uglify-field-name, serialize-field, serialize-number, serialize-list, serialize-string, group?, serialize-group, include-files?, serialize-include-files, zabbix-server-account, zabbix-server-config-file, zabbix-server-activation, zabbix-server-shepherd-service, generate-zabbix-server-documentation, extra-options, serialize-extra-options): New procedures. (zabbix-server-service-type): New variable. * gnu/tests/monitoring.scm (%psql-user-create-zabbix, %psql-db-zabbix-create-script, %psql-db-create-zabbix, %psql-db-import-zabbix, %zabbix-os, %test-zabbix): New variables. (run-zabbix-server-test): New procedure. * doc/guix.texi (Monitoring Services): Document 'zabbix-server'. squash! services: monitoring: Add 'zabbix-server'.
* Merge branch 'version-0.16.0'Ludovic Courtès2018-12-07
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| * tests: Increase root partitions size to 1.2G.Ludovic Courtès2018-12-04
| | | | | | | | | | | | | | | | | | | | | | The system closure has grown slightly above 1GiB so adjust accordingly. * gnu/tests/install.scm (%simple-installation-script): Increase vdb2 size of 1.2G, (%extlinux-gpt-installation-script); ditto (%simple-installation-script-for-/dev/vda): ditto, (%separate-store-installation-script): ditto for vdb3, (%encrypted-root-installation-script): ditto.
* | tests: elogind: Adjust to elogind output change.Marius Bakke2018-12-06
|/ | | | | | This is a follow-up to commit 4163f2467bce1a6123f0da1c49e88751d93e634b. * gnu/tests/desktop.scm (run-elogind-test): s|/dev/tty1/tty1.
* activation: Aways pass '-d HOME' to 'useradd'.Ludovic Courtès2018-11-18
| | | | | | | | | | | | | Fixes <https://bugs.gnu.org/33422>. Reported by fps. * gnu/build/activation.scm (add-user): Always pass "-d HOME" when HOME is true. Pass "--create-home" only when HOME, CREATE-HOME?, and SYSTEM? are true. (activate-users+groups): Pass #:create-home? create-home? to 'ensure-user'. * gnu/tests/base.scm (run-basic-test)["accounts"]: Test 'passwd:dir' as well.
* services: nscd: Add 'invalidate' and 'statistics' actions.Ludovic Courtès2018-11-13
| | | | | | | | | | * gnu/services/base.scm (nscd-action-procedure, nscd-actions): New procedures. (nscd-shepherd-service): Add 'modules' and 'actions' fields. * gnu/tests/base.scm (run-basic-test)["nscd invalidate action"] ["nscd invalidate action, wrong table"]: New tests. * doc/guix.texi (Services): Mention 'herd doc nscd action'. (Base Services): Document the actions.
* services: dhcp-client: Deprecate 'dhcp-client-service' procedure.Ludovic Courtès2018-10-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * gnu/services/networking.scm (dhcp-client-service-type): Add default value. * gnu/system/examples/bare-bones.tmpl: Use (service dhcp-client-service-type) instead of (dhcp-client-service). * gnu/system/examples/beaglebone-black.tmpl: Likewise. * gnu/tests/base.scm (%avahi-os): Likewise. * gnu/tests/databases.scm (%memcached-os): Likewise. (%mongodb-os): Likewise. * gnu/tests/dict.scm (%dicod-os): Likewise. * gnu/tests/mail.scm (%opensmtpd-os): Likewise. (%exim-os): Likewise. (%dovecot-os): Likewise. * gnu/tests/messaging.scm (run-xmpp-test): Likewise. (run-bitlbee-test): Likewise. * gnu/tests/monitoring.scm (%prometheus-node-exporter-os): Likewise. * gnu/tests/networking.scm (%inetd-os): Likewise. (run-iptables-test): Likewise. * gnu/tests/nfs.scm (%base-os): Likewise. * gnu/tests/rsync.scm (%rsync-os): Likewise. * gnu/tests/ssh.scm (run-ssh-test): Likewise. * gnu/tests/version-control.scm (%cgit-os): Likewise. (%git-http-os): Likewise. (%gitolite-os): Likewise. * gnu/tests/virtualization.scm (%libvirt-os): Likewise. * gnu/tests/web.scm (%httpd-os): Likewise. (%nginx-os): Likewise. (%varnish-os): Likewise. (%php-fpm-os): Likewise. (%hpcguix-web-os): Likewise. (%tailon-os): Likewise. * tests/guix-system.sh: Likewise. * doc/guix.texi (Networking Services): Document 'dhcp-client-service-type' and remove 'dhcp-client-service'.
* services: Add Gitolite.Christopher Baines2018-10-02
| | | | | | | | | | | * 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.
* Revert "services: Add Gitolite."Mark H Weaver2018-09-29
| | | | This reverts commit 258a6d944ed891fa92fa87a16731e5dfe0bac477.
* services: Add Gitolite.Christopher Baines2018-09-28
| | | | | | | | | | | * 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.
* tests: Add missing copyright statement.Marius Bakke2018-09-28
| | | | | | This is a follow-up to commit 3b97a1779f3b65d582b8edc8c154b6414314b946. * gnu/tests/web.scm: Update copyright header.
* services: Add Varnish service.Marius Bakke2018-09-26
| | | | | | | | | * 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: services: Add iptables service.Arun Isaac2018-09-20
| | | | | | | | * 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.
* services: tailon: Move to (gnu services web).Ludovic Courtès2018-09-10
| | | | | | | | | | | | | | | This allows (gnu services admin) to remain deeper in the module graph and to be used by (gnu services web). * gnu/services/admin.scm (<tailon-configuration-file>) (tailon-configuration-files-string) (tailon-configuration-file-compiler, <tailon-configuration>) (tailon-shepherd-service, %tailon-accounts) (tailon-service-type): Move to... * gnu/services/web.scm: ... here. * gnu/tests/admin.scm: Remove. Move test to... * gnu/tests/web.scm (%tailon-os) (run-tailon-test, %test-tailon): ... here.
* tests: base: Add Guile-Gcrypt & co. to the search path.Ludovic Courtès2018-09-08
| | | | | | | | | | Fixes a regression introduced in ca719424455465fca4b872c371daf2a46de88b33, whereby (gcrypt hash) would not be found in the system under test, leading to a failure of the "/run/current-system is a GC root" test. * gnu/tests/base.scm (run-basic-test)[guix&co]: New variable. [test]: Add all of GUIX&CO to %LOAD-PATH.
* services: tor: Make it easier to use UNIX sockets.Chris Marusich2018-08-28
| | | | | | | | | | | | * 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.
* tests: tor: Add more test cases.Chris Marusich2018-08-28
| | | | | | | | | | * gnu/tests/networking.scm (%tor-os/unix-socks-socket): New variable. (run-tor-test) <os/unix-socks-socket, marionette/unix-socks-socket> <socket-directory>: New variables. <"tor is alive">: Move common code from this test case... <tor-is-alive?>: ...into this new procedure. <"tor is listening", "tor is alive, even when using a SOCKS socket"> <"tor is listening, even when using a SOCKS socket">: New test cases.
* services: tor: Add a system test.Chris Marusich2018-08-28
| | | | | | | | | | | | | * gnu/services/networking.scm (tor-configuration->torrc): Set PidFile to /var/run/tor/tor.pid in the base torrc configuration. (tor-shepherd-service) <start>: Call make-forkexec-constructor/container with a new #:pid-file argument to tell Shepherd where to find the PID file. Add a a new <file-system-mapping> to its existing #:mappings argument to share /var/run/tor with the the container. (tor-hidden-services-activation): Update docstring. Create /var/run/tor and set its permissions so only the tor user can access it. * gnu/tests/networking.scm (%test-tor, %tor-os): New variables. (run-tor-test): New procedure.
* gnu: services: Add pcscd service.Arun Isaac2018-08-16
| | | | | | | * gnu/services/security-token.scm: New file. * gnu/tests/security-token.scm: New file. * gnu/local.mk (GNU_SYSTEM_MODULES): Register new files. * doc/guix.texi (Miscellaneous Services): Document the service.
* services: mcron: Add 'schedule' action.Ludovic Courtès2018-07-13
| | | | | | | | | | Inspired by <https://lists.gnu.org/archive/html/help-guix/2018-07/msg00035.html>. * gnu/services/mcron.scm (shepherd-schedule-action): New procedure. (mcron-shepherd-services): Add 'actions' field. * gnu/tests/base.scm (run-mcron-test)["schedule action"]: New test. * doc/guix.texi (Scheduled Job Execution): Mention 'herd schedule'.
* services: Add prometheus-node-exporter-service-type.Gábor Boskovits2018-07-09
| | | | | | | | | | * 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.
* tests: basic: Wait for /var/run/shepherd/socket to be ready.Ludovic Courtès2018-07-03
| | | | * gnu/tests/base.scm (run-basic-test)["shepherd socket ready"]: New test.
* services: boot: Take gexps instead of monadic gexps.Ludovic Courtès2018-06-20
| | | | | | | | | | | | | | | * gnu/services.scm (compute-boot-script): Rename 'mexps' to 'gexps' and remove 'mlet' form. (boot-service-type): Update comment. (cleanup-gexp): Remove 'with-monad' and 'return'. (activation-script): Rewrite in non-monadic style: use 'scheme-file' instead of 'gexp->file'. (gexps->activation-gexp): Remove 'mlet', return a gexp. * gnu/services/shepherd.scm (shepherd-boot-gexp): Remove 'with-monad' and 'return'. * gnu/system.scm (operating-system-boot-script): Remove outdated comment. * gnu/tests/base.scm (%cleanup-os): For 'dirty-service', remove 'with-monad' and 'return'.
* services: cleanup: Expect file names to be UTF-8-encoded.Ludovic Courtès2018-06-20
| | | | | | | | | | Fixes <https://bugs.gnu.org/26353>. Reported by Danny Milosavljevic <dannym@scratchpost.org>. * gnu/services.scm (cleanup-gexp): Add 'setenv' and 'setlocale' calls before 'delete-file-recursively'. * gnu/tests/base.scm (%cleanup-os, %test-cleanup): New variables. (run-cleanup-test): New procedure.
* tests: Honor the return value of 'start-service'.Clément Lassieur2018-06-13
| | | | | | | | | | | | | | | | | | | | | | | Since commit dc7b3e56337ee9d8dcd8fe7d5cab71ef536d024f, 'start-service' returns the Shepherd's representation of the service as a sexp, and '#f' if the service fails to start. Also, it doesn't throw an exception when the service fails to start, so relying on an exception instead of relying on its return value is a false positive. * gnu/tests/base.scm (run-nss-mdns-test): Split tests so to check the return value of 'start-service'. (run-mcron-test, run-nss-mdns-test): Use 'test-assert' with the return value of 'start-service'. * gnu/tests/admin.scm (run-tailon-test): Idem. * gnu/tests/dict.scm (run-dicod-test): Idem. * gnu/tests/mail.scm (run-opensmtpd-test, run-exim-test, run-dovecot-test): Idem. * gnu/tests/messaging.scm (run-xmpp-test, run-bitlbee-test): Idem. * gnu/tests/nfs.scm (run-nfs-test): Idem. * gnu/tests/rsync.scm (run-rsync-test): Idem. * gnu/tests/ssh.scm (run-ssh-test): Idem. * gnu/tests/version-control.scm (run-cgit-test, run-git-http-test): Idem. * gnu/tests/web.scm (run-php-fpm-test): Idem.
* tests: ssh: Use 'with-extensions'.Ludovic Courtès2018-06-01
| | | | | * gnu/tests/ssh.scm (run-ssh-test)[test]: Wrap body in 'with-extensions'. Remove %load-path manipulation code.
* services: Add hpcguix-web.Rouby Pierre-Antoine2018-06-01
| | | | | | | | | | | | * gnu/service/web.scm (<hpcguix-web-configuration>): New record-type. (%hpcguix-web-accounts): New variable. (%hpcguix-web-activation,hpcguix-web-shepherd-service, hpcguix-web-service-type): New procedures. * gnu/tests/web.scm (run-hpcguix-web-server-test): New procedure. (%hpcguix-web-specs, %hpcguix-web-os, %test-hpcguix-web): New variable. * doc/guix.texi (Web Services): Add 'hpcguix-web'. Co-authored-by: Ludovic Courtès <ludo@gnu.org>
* marionette: Add 'wait-for-tcp-port'.Ludovic Courtès2018-06-01
| | | | | | * gnu/build/marionette.scm (wait-for-tcp-port): New procedure. * gnu/tests/dict.scm (run-dicod-test)["connect inside"]: Use it instead of the inline loop.
* system: Remove uses of the 'title' field of <file-system>.Ludovic Courtès2018-05-28
| | | | | | | | | | | | | | * gnu/system/install.scm (installation-os): Remove uses of the 'title' field of 'file-system'; use 'file-system-label' as appropriate. * gnu/system/vm.scm (system-disk-image, system-qemu-image): Likewise. * gnu/tests.scm (%simple-os): Likewise. * gnu/tests/install.scm (%minimal-os, %minimal-extlinux-os) (%minimal-os-on-vda, %separate-home-os, %separate-store-os) (%raid-root-os, %encrypted-root-os, %btrfs-root-os): Likewise. * gnu/build/shepherd.scm (default-mounts)[tmpfs]: Likewise. * tests/guix-system.sh: Likewise. * tests/system.scm (%root-fs): Likewise. ("operating-system-boot-mapped-devices, implicit dependency"): Likewise.
* services: Add modem-manager-service-type.Danny Milosavljevic2018-04-30
| | | | | | | | | * gnu/services/networking.scm (modem-manager-service-type): New variable. (<modem-manager-configuration>): New variable. (modem-manager-configuration): New procedure. (modem-manager-configuration?): New procedure. * doc/guix.texi (Networking Services): Document it. * gnu/tests/networking.scm: Import (gnu services base).
* services: Add dhcpd-service-type and <dhcpd-configuration>.Chris Marusich2018-04-21
| | | | | | | | | | | | | | | | * 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.
* gnu: mcron: Update to 1.1.1.Ludovic Courtès2018-04-19
| | | | | | | | | | | | Fixes <https://bugs.gnu.org/31113>. Reported by George myglc2 Clemmer <myglc2@gmail.com>. * gnu/packages/guile.scm (mcron): Update to 1.1.1. [arguments]: Change timezone in 'set-timezone' phase. Remove 'disable-schedule-test' and 'wrap-programs' phases. Add 'adjust-tests' phase. * gnu/tests/base.scm (%mcron-os): Change JOB1 to use the 'next-seconds' form.
* gnu: mcron: Update to 1.1 and deprecate "mcron2".Ludovic Courtès2018-03-19
| | | | | | | | | | * gnu/packages/guile.scm (mcron): Update to 1.1. [native-inputs]: Add TZDATA-FOR-TESTS. [arguments]: New field. (mcron2): Define using 'deprecated-package'. * gnu/services/mcron.scm: Replace 'mcron2' with 'mcron'. * doc/guix.texi (Scheduled Job Execution): Likewise. * gnu/tests/base.scm (%mcron-os): Remove comment about mcron2.
* tests: databases: Add a system test for PostgreSQL.Christopher Baines2018-03-10
| | | | | * gnu/tests/databases.scm (%postgresql-os, %test-postgresql): New variables. (run-postgresql-test): New procedure.
* tests: mail: Add test for dovecot.Oleg Pykhalov2018-03-09
| | | | | * gnu/tests/mail.scm (%dovecot-os, %test-dovecot): New variables. (run-dovecot-test): New procedure.
* system: Add 'initrd-modules' field.Ludovic Courtès2018-03-02
| | | | | | | | | | | | | | * 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.
* services: cgit: Add more configuration fields.Oleg Pykhalov2018-02-28
| | | | | | | | * gnu/services/version-control.scm (cgit-service-type): Move to separate file. * gnu/services/cgit.scm: New file. * gnu/local.mk (GNU_SYSTEM_MODULES): Add this. * gnu/tests/version-control.scm: Add this. * doc/guix.texi (Cgit Service): Document this.
* tests: Remove outdated comment.Ludovic Courtès2018-02-19
| | | | * gnu/tests/base.scm (run-basic-test): Remove outdated comment.
* services: Missing services are automatically instantiated.Ludovic Courtès2018-01-21
| | | | | | | | | | | | | | | | | | | | | | | This simplifies OS configuration: users no longer need to be aware of what a given service depends on. See the discussion at <https://lists.gnu.org/archive/html/guix-devel/2018-01/msg00114.html>. * gnu/services.scm (missing-target-error): New procedure. (service-back-edges): Use it. (instantiate-missing-services): New procedure. * gnu/system.scm (operating-system-services): Call 'instantiate-missing-services'. * tests/services.scm ("instantiate-missing-services") ("instantiate-missing-services, no default value"): New tests. * gnu/services/version-control.scm (cgit-service-type)[extensions]: Add FCGIWRAP-SERVICE-TYPE. * gnu/tests/version-control.scm (%cgit-os): Remove NGINX-SERVICE-TYPE and FCGIWRAP-SERVICE-TYPE instances. * doc/guix.texi (Log Rotation): Remove 'mcron-service-type' in example. (Miscellaneous Services): Remove 'nginx-service-type' and 'fcgiwrap-service-type' in Cgit example.