gitignore: Simplify

The move to meson has made it so that all rendered/built files are now
nicely self-contained. This lets us greatly simplify our gitignore,
effectively just ignoring release tarballs and the few usual temporary
files we may deal with during development.

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>

.gitignore

@@ -1,144 +1,8 @@
-*.o
-*.a
-*.lo
-*.la
-*.so
-*.so.*
-*.sgml
-*.conf
+# Temporarily files.
 *~
-*.gz
 *.swp
-
-.deps
-.libs
-.dirstamp
-
-lxc.spec
-lxc.pc
-
-templates/*
-!templates/*.in
-templates/Makefile.in
-
-src/lxc/init.lxc
-src/lxc/init.lxc.static
-src/lxc/lxc-attach
-src/lxc/lxc-autostart
-src/lxc/lxc-cgroup
-src/lxc/tools/lxc-checkconfig
-src/lxc/tools/lxc-update-config
-src/lxc/lxc-checkpoint
-src/lxc/lxc-console
-src/lxc/lxc-config
-src/lxc/lxc-copy
-src/lxc/lxc-create
-src/lxc/lxc-destroy
-src/lxc/lxc-device
-src/lxc/lxc-execute
-src/lxc/lxc-freeze
-src/lxc/lxc.functions
-src/lxc/lxc-info
-src/lxc/lxc-init
-src/lxc/lxc-ls
-src/lxc/lxc-monitor
-src/lxc/lxc-monitord
-src/lxc/lxc-shutdown
-src/lxc/lxc-snapshot
-src/lxc/lxc-start
-src/lxc/lxc-stop
-src/lxc/lxc-top
-src/lxc/lxc-unfreeze
-src/lxc/lxc-unshare
-src/lxc/lxc-usernsexec
-src/lxc/lxc-wait
-src/lxc/lxc-user-nic
-src/lxc/version.h
-src/lxc/cmd/lxc-checkconfig
-src/lxc/cmd/lxc-update-config
-
-src/tests/lxc-test-device-add-remove
-src/tests/lxc-test-attach
-src/tests/lxc-test-apparmor
-src/tests/lxc-test-arch-parse
-src/tests/lxc-test-cgpath
-src/tests/lxc-test-clonetest
-src/tests/lxc-test-concurrent
-src/tests/lxc-test-console
-src/tests/lxc-test-console-log
-src/tests/lxc-test-containertests
-src/tests/lxc-test-createtest
-src/tests/lxc-test-destroytest
-src/tests/lxc-test-get_item
-src/tests/lxc-test-getkeys
-src/tests/lxc-test-list
-src/tests/lxc-test-livepatch
-src/tests/lxc-test-locktests
-src/tests/lxc-test-lxcpath
-src/tests/lxc-test-may-control
-src/tests/lxc-test-reboot
-src/tests/lxc-test-saveconfig
-src/tests/lxc-test-shutdowntest
-src/tests/lxc-test-snapshot
-src/tests/lxc-test-startone
-src/tests/lxc-test-usernic
-src/tests/lxc-test-utils*
-src/tests/lxc-usernic-test
-src/tests/lxc-test-config-jump-table
-src/tests/lxc-test-parse-config-file
-src/tests/lxc-test-proc-pid
-src/tests/lxc-test-shortlived
-src/tests/lxc-test-api-reboot
-src/tests/lxc-test-criu-check-feature
-src/tests/lxc-test-raw-clone
-src/tests/lxc-test-share-ns
-src/tests/lxc-test-state-server
-src/tests/lxc-test-basic
-src/tests/lxc-test-cve-2019-5736
-src/tests/lxc-test-mount-injection
-src/tests/lxc-test-sysctls
-src/tests/lxc-test-sys-mixed
-src/tests/lxc-test-rootfs-options
-src/tests/lxc-test-capabilities
-
-config/apparmor/abstractions/start-container
-config/bash/lxc
-config/init/common/lxc-containers
-config/init/common/lxc-net
-config/init/systemd/lxc-autostart-helper
-config/init/systemd/lxc-monitord.service
-config/init/systemd/lxc-net.service
-config/init/systemd/lxc.service
-config/init/systemd/lxc@.service
-config/init/sysvinit/lxc
-config/init/sysvinit/lxc-containers
-config/init/sysvinit/lxc-net
-config/sysconfig/lxc
-
-doc/*.1
-doc/*.5
-doc/*.7
-doc/*.8
-doc/ja/*.1
-doc/ja/*.5
-doc/ja/*.7
-doc/ja/*.8
-doc/ko/*.1
-doc/ko/*.5
-doc/ko/*.7
-doc/manpage.links
-doc/manpage.refs
-doc/api/html/*
-
-hooks/unmount-namespace
-hooks/dhclient
-
-.pc
-patches
 *.orig
 *.rej
-tags
-TAGS
 
-doc/api/doxygen_sqlite3.db
-doc/api/*.tmp
+# Release tarballs.
+lxc-*.tar.gz*