Generate bash_completion string so that we can use bash completion.

Bug #1063500

To install, copy tools/quantum.bash_completion to
/etc/bash_completion.d/quantum

Change-Id: I0afff3967c63111854455226fc90092f5bc7845a

1 files changed, 27 insertions, 0 deletions

diff --git a/tools/quantum.bash_completion b/tools/quantum.bash_completion
new file mode 100644
index 0000000..45db025
--- /dev/null
+++ b/tools/quantum.bash_completion
@@ -0,0 +1,27 @@
+_quantum_opts="" # lazy init
+_quantum_flags="" # lazy init
+_quantum_opts_exp="" # lazy init
+_quantum()
+{
+	local cur prev nbc cflags
+	COMPREPLY=()
+	cur="${COMP_WORDS[COMP_CWORD]}"
+	prev="${COMP_WORDS[COMP_CWORD-1]}"
+
+	if [ "x$_quantum_opts" == "x" ] ; then
+		nbc="`quantum bash-completion | sed -e "s/\s-h\s/\s/"`"
+		_quantum_opts="`echo "$nbc" | sed -e "s/--[a-z0-9_-]*//g" -e "s/\s\s*/ /g"`"
+		_quantum_flags="`echo " $nbc" | sed -e "s/ [^-][^-][a-z0-9_-]*//g" -e "s/\s\s*/ /g"`"
+		_quantum_opts_exp="`echo "$_quantum_opts" | sed -e "s/\s/|/g"`"
+	fi
+
+	if [[ " ${COMP_WORDS[@]} " =~ " "($_quantum_opts_exp)" " && "$prev" != "help" ]] ; then
+		COMPLETION_CACHE=~/.quantumclient/*/*-cache
+		cflags="$_quantum_flags "$(cat $COMPLETION_CACHE 2> /dev/null | tr '\n' ' ')
+		COMPREPLY=($(compgen -W "${cflags}" -- ${cur}))
+	else
+		COMPREPLY=($(compgen -W "${_quantum_opts}" -- ${cur}))
+	fi
+	return 0
+}
+complete -F _quantum quantum