perf completion: Rename file to reflect zsh support

Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Link: http://lkml.kernel.org/r/1384704807-15779-6-git-send-email-artagnon@gmail.com
[ Fix 'make install' target ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 202 insertions, 0 deletions

diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh
new file mode 100644
index 000000000000..49494882d9bb
--- /dev/null
+++ b/tools/perf/perf-completion.sh
@@ -0,0 +1,202 @@
+# 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 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