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Subject[PATCH 07/34] perf completion: Introduce zsh support
Date
From: Ramkumar Ramachandra <artagnon@gmail.com>

__perfcomp(), __perfcomp_colon(), and _perf() have to be overridden.
Inspired by the way the git.git completion system is structured.

Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1384704807-15779-5-git-send-email-artagnon@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/bash_completion | 63 +++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 62 insertions(+), 1 deletion(-)

diff --git a/tools/perf/bash_completion b/tools/perf/bash_completion
index 573599b42be2..49494882d9bb 100644
--- a/tools/perf/bash_completion
+++ b/tools/perf/bash_completion
@@ -1,4 +1,4 @@
-# perf completion
+# perf bash and zsh completion

# Taken from git.git's completion script.
__my_reassemble_comp_words_by_ref()
@@ -129,6 +129,67 @@ __perf_main ()
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()
{
--
1.8.1.4


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