From 4e059127467a9bbbb7f8c9df500d06c646b206b6 Mon Sep 17 00:00:00 2001
From: Patrick Spek <p.spek@tyil.nl>
Date: Thu, 26 May 2022 22:21:34 +0200
Subject: Make config_subkeys only return unique results

---
 lib/util/config.bash | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/lib/util/config.bash b/lib/util/config.bash
index 91d5c83..eecc31a 100644
--- a/lib/util/config.bash
+++ b/lib/util/config.bash
@@ -79,6 +79,7 @@ config_subkeys_for() {
 
 	local file
 	local files
+	local results
 
 	files=(
 		"$BASHTARD_ETCDIR/secrets"
@@ -108,7 +109,15 @@ config_subkeys_for() {
 
 		[[ ! -f $file ]] && continue
 
-		grep "^$key\." "$file" \
-			| awk -F= '{ print $1 }'
+		while read -r result
+		do
+			results+=("$result")
+		done < <(grep "^$key\." "$file" | awk -F= '{ print $1 }')
 	done
+
+	# Return unique results
+	for result in "${results[@]}"
+	do
+		printf "%s\n" "$result"
+	done | sort -u
 }
-- 
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