misc/bash-completion

# Copyright 2011 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Add the following to your .bashrc to tab-complete ninja targets
#   . path/to/ninja/misc/bash-completion

_ninja_target() {
    local cur targets dir line targets_command OPTIND
    cur="${COMP_WORDS[COMP_CWORD]}"

		if [[ "$cur" == "--"* ]]; then
			# there is currently only one argument that takes --
			COMPREPLY=($(compgen -P '--' -W 'version' -- "${cur:2}"))
		else
			dir="."
			line=$(echo ${COMP_LINE} | cut -d" " -f 2-)
			# filter out all non relevant arguments but keep C for dirs
			while getopts C:f:j:l:k:nvd:t: opt "${line[@]}"; do
				case $opt in
					C) dir="$OPTARG" ;;
				esac
			done;
			targets_command="ninja -C ${dir} -t targets all"
			targets=$((${targets_command} 2>/dev/null) | awk -F: '{print $1}')
			COMPREPLY=($(compgen -W "$targets" -- "$cur"))
		fi
    return
}
complete -F _ninja_target ninja