1 files changed, 83 insertions, 0 deletions
diff --git a/src/bash_completion/rbd b/src/bash_completion/rbd
new file mode 100644
index 000000000..bef1670e9
--- /dev/null
+++ b/src/bash_completion/rbd
@@ -0,0 +1,83 @@
+#
+# Ceph - scalable distributed file system
+#
+# Copyright (C) 2011 Wido den Hollander <wido@widodh.nl>
+#
+# This is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License version 2.1, as published by the Free Software
+# Foundation.  See file COPYING.
+#
+_rbd_commands="" # lazy init
+_rbd_global_options="" # lazy init
+
+_rbd()
+{
+	if [ "x${_rbd_commands}" == "x" ]; then
+		local rbc="$(rbd bash-completion 2>/dev/null)"
+		_rbd_commands="$(echo ${rbc} | sed -e 's/|-[^|]*//g' -e 's/||*/|/g')"
+		_rbd_global_options="$(echo ${rbc} | sed -e 's/|[^-][^\|]*//g' -e 's/||*/|/g')"
+	fi
+
+        COMPREPLY=()
+
+	local arg_count=${#COMP_WORDS[@]}
+	local args=()
+	local help_request="false"
+	for (( i=1; i<arg_count; i++ )); do
+		word="${COMP_WORDS[i]}"
+		if [[ "x${word}" == "xhelp" && ${#args} == 0 ]]; then
+			# treat help request as a special case
+			help_request="true"
+			continue
+		elif [[ $(echo ${_rbd_global_options} | grep "|${word}|") ]]; then
+			# skip flag option
+			continue
+		elif [[ "x${word:0:1}" == "x-" ]]; then
+			# skip option with argument
+			let i=$i+1
+			continue
+		elif [[ "x${word}" == "x" ]]; then
+			# skip blank arguments
+			continue
+		fi
+
+		args+=("${word}")
+	done
+
+        local cur="${COMP_WORDS[COMP_CWORD]}"
+        local prev="${COMP_WORDS[COMP_CWORD-1]}"
+
+	local options_exp=${_rbd_global_options}
+	local command="${args[@]}"
+	local valid_command="false"
+	if [[ ${#args} != 0 && "${args[-1]}" != "${cur}" &&
+	      $(echo "${_rbd_commands}" | grep -c "|${command}|") == 1 ]]; then
+		# combine global and command-specific options
+                local rbd_command_options="$(rbd bash-completion ${args[@]} 2>/dev/null)"
+                options_exp="${options_exp} ${rbd_command_options}"
+		valid_command="true"
+	fi
+
+	if [[ "x${cur}" == "xhelp" ]]; then
+		COMPREPLY=()
+	elif [[ "${options_exp}}" =~ "|${prev} path|" ]];  then
+		# perform path completion for path argument
+		COMPREPLY=($(compgen -f ${cur}))
+	elif [[ "${options_exp}}" =~ "|${prev} host|" ]];  then
+		# perform host completion for host argument
+		COMPREPLY=($(compgen -A hostname ${cur}))
+	elif [[ "${help_request}" == "false" && ( "x${cur:0:1}" == "x-" ||
+		( "x${cur}" == "x" && "${valid_command}" == "true" ) ) ]]; then
+		# all valid options for current command
+		options="$(echo ${options_exp} | sed -e 's/||*/ /g' -r -e 's/ (arg|path|host)//g')"
+		COMPREPLY=($(compgen -W "${options}" -- ${cur}))
+	elif [[ "${valid_command}" == "false" ]]; then
+		# search for valid command
+		[[ "x${command}" != "x" && "x${cur}" == "x" ]] && command="${command} "
+		COMPREPLY=($(echo ${_rbd_commands} | grep -o "|${command}[^ |]*" | \
+			uniq | sed -e 's/|//g' | awk -F' ' '{print $(NF)}'))
+	fi
+}
+
+complete -F _rbd rbd