sekrit: bake in clipboard support with cp subcommand

bin/sekrit.sh

@@ -30,6 +30,7 @@ usage()
 	cat - <<. >&2
 Usage:
 	${0##*/} add key [value ...]
+	${0##*/} cp [-k] key
 	${0##*/} gen [-l length] [chars]
 	${0##*/} get key
 	${0##*/} has key
@@ -82,6 +83,30 @@ sekrit_add()
 	chmod -- 400 "$f"
 }
 
+sekrit_cp()
+{
+	command -v xclip >/dev/null 2>&1 ||
+	    err "xclip required for clipboard support"
+
+	OPTIND=1
+	rmlastnl=-rmlastnl
+	while getopts k flag; do
+		case "$flag" in
+		k)	rmlastnl=
+			;;
+		*)	usage
+			;;
+		esac
+	done
+	shift $((OPTIND - 1))
+
+	[ $# -eq 1 ] || usage
+	key=$1
+
+	sekrit_get "$key" |
+	    xclip $rmlastnl -loops 1 -quiet -selection clip 2>/dev/null
+}
+
 sekrit_gen()
 {
 	len=43
@@ -113,7 +138,7 @@ sekrit_get()
 {
 	[ $# -eq 1 ] || usage
 	key=$1
-	check_key "$1"
+	check_key "$key"
 	shift
 
 	f=$SEKRIT_DIR/$key.gpg
@@ -125,7 +150,7 @@ sekrit_has()
 {
 	[ $# -eq 1 ] || usage
 	key=$1
-	check_key "$1"
+	check_key "$key"
 	shift
 
 	[ -f "$SEKRIT_DIR/$key.gpg" ]
@@ -164,6 +189,7 @@ mkdir -p "$SEKRIT_DIR"
 
 case "$cmd" in
 add)	sekrit_add "$@" ;;
+cp)	sekrit_cp "$@" ;;
 gen)	sekrit_gen "$@" ;;
 get)	sekrit_get "$@" ;;
 has)	sekrit_has "$@" ;;