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|
# perf bash and zsh completion
# Taken from git.git's completion script.
__my_reassemble_comp_words_by_ref()
{
local exclude i j first
# Which word separators to exclude?
exclude="${1//[^$COMP_WORDBREAKS]}"
cword_=$COMP_CWORD
if [ -z "$exclude" ]; then
words_=("${COMP_WORDS[@]}")
return
fi
# List of word completion separators has shrunk;
# re-assemble words to complete.
for ((i=0, j=0; i < ${#COMP_WORDS[@]}; i++, j++)); do
# Append each nonempty word consisting of just
# word separator characters to the current word.
first=t
while
[ $i -gt 0 ] &&
[ -n "${COMP_WORDS[$i]}" ] &&
# word consists of excluded word separators
[ "${COMP_WORDS[$i]//[^$exclude]}" = "${COMP_WORDS[$i]}" ]
do
# Attach to the previous token,
# unless the previous token is the command name.
if [ $j -ge 2 ] && [ -n "$first" ]; then
((j--))
fi
first=
words_[$j]=${words_[j]}${COMP_WORDS[i]}
if [ $i = $COMP_CWORD ]; then
cword_=$j
fi
if (($i < ${#COMP_WORDS[@]} - 1)); then
((i++))
else
# Done.
return
fi
done
words_[$j]=${words_[j]}${COMP_WORDS[i]}
if [ $i = $COMP_CWORD ]; then
cword_=$j
fi
done
}
type _get_comp_words_by_ref &>/dev/null ||
_get_comp_words_by_ref()
{
local exclude cur_ words_ cword_
if [ "$1" = "-n" ]; then
exclude=$2
shift 2
fi
__my_reassemble_comp_words_by_ref "$exclude"
cur_=${words_[cword_]}
while [ $# -gt 0 ]; do
case "$1" in
cur)
cur=$cur_
;;
prev)
prev=${words_[$cword_-1]}
;;
words)
words=("${words_[@]}")
;;
cword)
cword=$cword_
;;
esac
shift
done
}
type __ltrim_colon_completions &>/dev/null ||
__ltrim_colon_completions()
{
if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then
# Remove colon-word prefix from COMPREPLY items
local colon_word=${1%"${1##*:}"}
local i=${#COMPREPLY[*]}
while [[ $((--i)) -ge 0 ]]; do
COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"}
done
fi
}
__perfcomp ()
{
COMPREPLY=( $( compgen -W "$1" -- "$2" ) )
}
__perfcomp_colon ()
{
__perfcomp "$1" "$2"
__ltrim_colon_completions $cur
}
__perf_main ()
{
local cmd
cmd=${words[0]}
COMPREPLY=()
# List perf subcommands or long options
if [ $cword -eq 1 ]; then
if [[ $cur == --* ]]; then
__perfcomp '--help --version \
--exec-path --html-path --paginate --no-pager \
--perf-dir --work-tree --debugfs-dir' -- "$cur"
else
cmds=$($cmd --list-cmds)
__perfcomp "$cmds" "$cur"
fi
# List possible events for -e option
elif [[ $prev == "-e" && "${words[1]}" == @(record|stat|top) ]]; then
evts=$($cmd list --raw-dump)
__perfcomp_colon "$evts" "$cur"
# List subcommands for 'perf kvm'
elif [[ $prev == "kvm" ]]; then
subcmds="top record report diff buildid-list stat"
__perfcomp_colon "$subcmds" "$cur"
# List long option names
elif [[ $cur == --* ]]; then
subcmd=${words[1]}
opts=$($cmd $subcmd --list-opts)
__perfcomp "$opts" "$cur"
fi
}
if [[ -n ${ZSH_VERSION-} ]]; then
autoload -U +X compinit && compinit
__perfcomp ()
{
emulate -L zsh
local c IFS=$' \t\n'
local -a array
for c in ${=1}; do
case $c in
--*=*|*.) ;;
*) c="$c " ;;
esac
array[${#array[@]}+1]="$c"
done
compset -P '*[=:]'
compadd -Q -S '' -a -- array && _ret=0
}
__perfcomp_colon ()
{
emulate -L zsh
local cur_="${2-$cur}"
local c IFS=$' \t\n'
local -a array
if [[ "$cur_" == *:* ]]; then
local colon_word=${cur_%"${cur_##*:}"}
fi
for c in ${=1}; do
case $c in
--*=*|*.) ;;
*) c="$c " ;;
esac
array[$#array+1]=${c#"$colon_word"}
done
compset -P '*[=:]'
compadd -Q -S '' -a -- array && _ret=0
}
_perf ()
{
local _ret=1 cur cword prev
cur=${words[CURRENT]}
prev=${words[CURRENT-1]}
let cword=CURRENT-1
emulate ksh -c __perf_main
let _ret && _default && _ret=0
return _ret
}
compdef _perf perf
return
fi
type perf &>/dev/null &&
_perf()
{
local cur words cword prev
_get_comp_words_by_ref -n =: cur words cword prev
__perf_main
} &&
complete -o bashdefault -o default -o nospace -F _perf perf 2>/dev/null \
|| complete -o default -o nospace -F _perf perf
|
