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1# perf completion
2
3function_exists()
4{
5	declare -F $1 > /dev/null
6	return $?
7}
8
9function_exists __ltrim_colon_completions ||
10__ltrim_colon_completions()
11{
12	if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then
13		# Remove colon-word prefix from COMPREPLY items
14		local colon_word=${1%${1##*:}}
15		local i=${#COMPREPLY[*]}
16		while [[ $((--i)) -ge 0 ]]; do
17			COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"}
18		done
19	fi
20}
21
22have perf &&
23_perf()
24{
25	local cur prev cmd
26
27	COMPREPLY=()
28	if function_exists _get_comp_words_by_ref; then
29		_get_comp_words_by_ref -n : cur prev
30	else
31		cur=$(_get_cword :)
32		prev=${COMP_WORDS[COMP_CWORD-1]}
33	fi
34
35	cmd=${COMP_WORDS[0]}
36
37	# List perf subcommands or long options
38	if [ $COMP_CWORD -eq 1 ]; then
39		if [[ $cur == --* ]]; then
40			COMPREPLY=( $( compgen -W '--help --version \
41			--exec-path --html-path --paginate --no-pager \
42			--perf-dir --work-tree --debugfs-dir' -- "$cur" ) )
43		else
44			cmds=$($cmd --list-cmds)
45			COMPREPLY=( $( compgen -W '$cmds' -- "$cur" ) )
46		fi
47	# List possible events for -e option
48	elif [[ $prev == "-e" && "${COMP_WORDS[1]}" == @(record|stat|top) ]]; then
49		evts=$($cmd list --raw-dump)
50		COMPREPLY=( $( compgen -W '$evts' -- "$cur" ) )
51		__ltrim_colon_completions $cur
52	# List long option names
53	elif [[ $cur == --* ]];  then
54		subcmd=${COMP_WORDS[1]}
55		opts=$($cmd $subcmd --list-opts)
56		COMPREPLY=( $( compgen -W '$opts' -- "$cur" ) )
57	# Fall down to list regular files
58	else
59		_filedir
60	fi
61} &&
62complete -F _perf perf
63