board/common: import bash completion for initctl

From upstream Finit@b682a5e Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2026-07-30 04:33:00 +02:00 · 2023-08-08 16:35:18 +02:00
parent 1a2d799f82
commit 07b057c455
1 changed files with 141 additions and 0 deletions
@@ -0,0 +1,141 @@
+_cond()
+{
+    initctl -pt cond dump |  awk '{print $4}' | sed 's/<\(.*\)>/\1/'
+}
+
+_ident()
+{
+    if [ -n "$1" ]; then
+	initctl ident | grep -q $1
+    else
+	initctl ident
+    fi
+}
+
+_svc()
+{
+    initctl ls -pt | grep $1 | sed "s/.*\/\(.*\)/\1/g" | sort -u
+}
+
+_enabled()
+{
+    echo "$(_svc enabled)"
+}
+
+_available()
+{
+    all=$(mktemp)
+    ena=$(mktemp)
+    echo "$(_svc available)" >$all
+    echo "$(_svc enabled)"   >$ena
+    grep -v -f $ena $all
+    rm $all $ena
+}
+
+# Determine first non-option word. Usually the command
+_firstword() {
+	local firstword i
+
+	firstword=
+	for ((i = 1; i < ${#COMP_WORDS[@]}; ++i)); do
+		if [[ ${COMP_WORDS[i]} != -* ]]; then
+			firstword=${COMP_WORDS[i]}
+			break
+		fi
+	done
+
+	echo $firstword
+}
+
+# Determine last non-option word. Uusally a sub-command
+_lastword() {
+	local lastword i
+
+	lastword=
+	for ((i = 1; i < ${#COMP_WORDS[@]}; ++i)); do
+		if [[ ${COMP_WORDS[i]} != -* ]] && [[ -n ${COMP_WORDS[i]} ]] && [[ ${COMP_WORDS[i]} != $cur ]]; then
+			lastword=${COMP_WORDS[i]}
+		fi
+	done
+
+	echo $lastword
+}
+
+_initctl()
+{
+    local cur command
+
+    cur=${COMP_WORDS[COMP_CWORD]}
+    prev="${COMP_WORDS[COMP_CWORD-1]}"
+    firstword=$(_firstword)
+    lastword=$(_lastword)
+
+    commands="status cond debug help kill ls log version  list enable	\
+	      disable touch show cat edit create delete reload start	\
+	      stop restart signal cgroup ps top plugins runlevel reboot	\
+	      halt poweroff suspend utmp"
+    cond_cmds="set get clear status dump"
+    cond_types="hook net pid service task usr"
+    signals="int term hup stop tstp cont usr1 usr2 pwr"
+    options="-b --batch				\
+	     -c --create			\
+	     -d --debug				\
+	     -f --force				\
+	     -h --help				\
+	     -j --json				\
+	     -n --noerr				\
+	     -1 --once				\
+	     -p --plain				\
+	     -q --quiet				\
+	     -t --no-heading			\
+	     -v --verbose			\
+	     -V --version"
+
+    case "${firstword}" in
+	enable)
+	    COMPREPLY=($(compgen -W "$(_available)" -- $cur))
+	    ;;
+	disable|touch)
+	    COMPREPLY=($(compgen -W "$(_enabled)" -- $cur))
+	    ;;
+	show|cat|edit|delete)
+	    COMPREPLY=($(compgen -W "$(_svc .)" -- $cur))
+	    ;;
+	start|stop|restart|log|status)
+	    COMPREPLY=($(compgen -W "$(_ident)" -- $cur))
+	    ;;
+	signal|kill)
+	    if $(_ident "${prev}"); then
+		COMPREPLY=($(compgen -W "$signals" -- $cur))
+	    else
+		COMPREPLY=($(compgen -W "$(_ident)" -- $cur))
+	    fi
+	    ;;
+	cond)
+	    case "${lastword}" in
+		set|clear)
+		    compopt -o nospace
+		    COMPREPLY=($(compgen -W "usr/" -- $cur))
+		    ;;
+		get)
+		    COMPREPLY=($(compgen -W "$(_cond)" -- $cur))
+		    ;;
+		dump)
+		    COMPREPLY=($(compgen -W "$cond_types" -- $cur))
+		    ;;
+		*)
+		    COMPREPLY=($(compgen -W "$cond_cmds" -- $cur))
+		    ;;
+	    esac
+	    ;;
+	*)
+	    COMPREPLY=($(compgen -W "$commands" -- $cur))
+	    ;;
+    esac
+
+    if [[ $cur == -* ]]; then
+	COMPREPLY=($(compgen -W "$options" -- $cur))
+    fi
+}
+
+complete -F _initctl initctl