From 02c40b971bd4d092b3612fcb5e9ddd57548e6dbb Mon Sep 17 00:00:00 2001

From: Vishal Verma <vishal.l.verma@intel.com>

Date: Thu, 7 Oct 2021 02:21:38 -0600

Subject: [PATCH 045/217] cxl-cli: add bash completion

Add bash completion for the cxl-cli commands implemented so far:

  cxl-list

  cxl-read-labels

  cxl-write-labels

  cxl-zero-labels

Acked-by: Dan Williams <dan.j.williams@intel.com>

Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>

---

 contrib/ndctl | 109 ++++++++++++++++++++++++++++++++++++++++++++++++++

 1 file changed, 109 insertions(+)

diff --git a/contrib/ndctl b/contrib/ndctl

index 680fe6a..cae4b1b 100755

--- a/contrib/ndctl

+++ b/contrib/ndctl

@@ -647,5 +647,114 @@ _daxctl()

 	__daxctl_main

 }

+### cxl-cli ###

+

+__cxl_get_devs()

+{

+	local opts=("--memdevs" "$*")

+	cxl list "${opts[@]}" | grep -E "^\s*\"memdev\":" | cut -d'"' -f4

+}

+

+__cxlcomp()

+{

+	local i=0

+

+	COMPREPLY=( $( compgen -W "$1" -- "$2" ) )

+	for cword in "${COMPREPLY[@]}"; do

+		if [[ "$cword" == @(--memdev|--offset|--size|--input|--output) ]]; then

+			COMPREPLY[$i]="${cword}="

+		else

+			COMPREPLY[$i]="${cword} "

+		fi

+		((i++))

+	done

+}

+

+__cxl_comp_options()

+{

+

+	local cur=$1

+	local opts

+

+	if [[ "$cur" == *=* ]]; then

+		local cur_subopt=${cur%%=*}

+		local cur_arg=${cur##*=}

+		case $cur_subopt in

+		--memdev)

+			opts="$(__cxl_get_devs -i)"

+			;;

+		*)

+			return

+			;;

+		esac

+		__cxlcomp "$opts" "$cur_arg"

+	fi

+}

+

+__cxl_comp_non_option_args()

+{

+	local subcmd=$1

+	local cur=$2

+	local opts

+

+	case $subcmd in

+	read-labels)

+		;&

+	write-labels)

+		;&

+	zero-labels)

+		opts="$(__cxl_get_devs -i) all"

+		;;

+	*)

+		return

+		;;

+	esac

+	__cxlcomp "$opts" "$cur"

+}

+

+__cxl_main()

+{

+	local cmd subcmd

+

+	cmd=${words[0]}

+	COMPREPLY=()

+

+	# Skip options backward and find the last cxl command

+	__nd_common_prev_skip_opts

+	subcmd=$prev_skip_opts

+	# List cxl subcommands or long options

+	if [ -z $subcmd ]; then

+		if [[ $cur == --* ]]; then

+			cmds="--version --help --list-cmds"

+		else

+			cmds=$($cmd --list-cmds)

+		fi

+		__cxlcomp "$cmds" "$cur"

+	else

+		# List long option names

+		if [[ $cur == --* ]];  then

+			opts=$($cmd $subcmd --list-opts)

+			__cxlcomp "$opts" "$cur"

+			__cxl_comp_options "$cur"

+		else

+			[ -z "$subcmd" ] && return

+			__cxl_comp_non_option_args "$subcmd" "$cur"

+		fi

+	fi

+}

+

+type cxl &>/dev/null &&

+_cxl()

+{

+	local cur words cword prev

+	if [ $preload_get_comp_words_by_ref = "true" ]; then

+		_get_comp_words_by_ref -n =: cur words cword prev

+	else

+		__nd_common_get_comp_words_by_ref -n =: cur words cword prev

+	fi

+	__cxl_main

+}

+

 complete -o nospace -F _ndctl ndctl

 complete -o nospace -F _daxctl daxctl

+complete -o nospace -F _cxl cxl

-- 

2.27.0