sekrit: change ls output

Remove title, stop indenting, output single line if the parameter is
already a valid key.

bin/sekrit.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 # sekrit
-# Written in 2018-2020,2022 by Lucas
+# Written in 2018-2020,2022,2024 by Lucas
 # CC0 1.0 Universal/Public domain - No rights reserved
 #
 # To the extent possible under law, the author(s) have dedicated all
@@ -159,10 +159,14 @@ sekrit_has()
 
 ls_key()
 {
-	d=$SEKRIT_DIR$1
-	find "$d" -type f -name "*.gpg" |
-	    sort |
-	    sed -e "s#^$d##" -e 's#\.gpg$##'
+	if sekrit_has "$1" 2>/dev/null; then
+		echo "$1"
+	else
+		d=${SEKRIT_DIR%/}$1
+		find "$d" -type f -name "*.gpg" |
+		    sort |
+		    sed -e "s#^$d##" -e 's#\.gpg$##'
+	fi
 }
 
 sekrit_ls()
@@ -171,9 +175,7 @@ sekrit_ls()
 		ls_key /
 	else
 		for key; do
-			printf "%s:\n" "$key"
-			ls_key "/$key/" | sed "s/^/  /"
-			printf "\n"
+			ls_key "/$key/"
 		done
 	fi
 }