From 0a4edf18531a76e8e14bb7b72531f710e1970f77 Mon Sep 17 00:00:00 2001
From: YaoZengzeng <yaozengzeng@zju.edu.cn>
Date: Tue, 6 Dec 2016 14:24:24 +0800
Subject: [PATCH] bash completion for global options and commands
Signed-off-by: Yao Zengzeng <yaozengzeng@zju.edu.cn>
---
contrib/completion/bash/runv | 98 ++++++++++++++++++++++++++++++++++++
1 file changed, 98 insertions(+)
create mode 100644 contrib/completion/bash/runv
diff --git a/contrib/completion/bash/runv b/contrib/completion/bash/runv
new file mode 100644
index 00000000..28b0d710
--- /dev/null
+++ b/contrib/completion/bash/runv
@@ -0,0 +1,98 @@
+#!/bin/bash
+#
+# bash completion file for core runv commands
+#
+# This script provides completion of:
+# - global options
+# - commands and their options
+# To enalbe the completions:
+# - place this file in /etc/bash_completion.d
+#
+
+
+# Transforms a multiline list of strings into a single line string
+# with the words separated by "|".
+__runv_to_alternatives() {
+ local parts=( $1 )
+ local IFS='|'
+ echo "${parts[*]}"
+}
+
+# Transforms a multiline list of options into an extglob pattern
+# suitable for use in case statements
+__runv_to_extglob() {
+ local extglob=$( __runv_to_alternatives "$1" )
+ echo "@($extglob)"
+}
+
+# global options that may appear after the runv command
+_runv_runv() {
+ local boolean_options="
+ $global_boolean_options
+ --help -h
+ --version -v
+ "
+
+ case "$prev" in
+ $(__runv_to_extglob "$global_options_with_args") )
+ return
+ ;;
+ esac
+
+ case "$cur" in
+ -*)
+ COMPREPLY=( $( compgen -W "$boolean_options $global_options_with_args" -- "$cur") )
+ ;;
+ *)
+ COMPREPLY=( $( compgen -W "${commands[*]} help" -- "$cur" ) )
+ ;;
+ esac
+}
+
+_runv() {
+ local previous_extglob_setting=$(shopt -p extglob)
+ shopt -s extglob
+
+ local commands=(
+ start
+ spec
+ exec
+ kill
+ list
+ state
+ manage
+ supervisord
+ )
+
+ local global_boolean_options="
+ --debug
+ "
+
+ local global_options_with_args="
+ --log_dir
+ --log
+ --log-format
+ --root
+ --driver
+ --default_cpus
+ --default_memory
+ --kernel
+ --initrd
+ --template
+ --vbox
+ "
+
+ COMPREPLY=()
+ local cur prev words cword
+ _get_comp_words_by_ref -n : cur prev words cword
+
+ local command='runv'
+
+ local completions_func=_runv_${command}
+ declare -F $completions_func >/dev/null && $completions_func
+
+ eval "$previous_extglob_setting"
+ return 0
+}
+
+complete -F _runv runv