clr-boot-manager.zsh: Added zsh completion

clr-boot-manager.zsh

@@ -0,0 +1,42 @@
+#compdef clr-boot-manager
+# -----------------------------------------------------------------------
+#   Software Updater - autocompletion script
+#
+#   Author: Lucius Hu - http://github.com/lebensterben
+#
+#   This program is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, version 2 or later of the License.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# -----------------------------------------------------------------------
+
+local ret=1 curcontext="$curcontext"
+local context state state_descr line
+local -A opt_args
+
+_arguments -C \
+           ':clr-boot-manager subcommand:->subcmd' \
+  && ret=0
+
+if [[ $state == subcmd ]]; then
+   local -a subcmds; subcmds=(
+     "version:Print the version and quit"
+     "report-booted:Report the current kernel as successfully booted"
+     "update:Perform post-update configuration of the system"
+     "set-timeout:Set the timeout to be used by the bootloader"
+     "get-timeout:Get the timeout to be used by the bootloader"
+     "set-kernel:Configure kernel to be used at next boot"
+     "list-kernels:Display currently selectable kernels to boot"
+     "help:Display help information on available commands"
+   )
+   _describe -t subcmds 'clr-boot-manager sub-commands' subcmds && ret=0
+fi
+
+return ret