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transcrypt

@@ -181,17 +181,6 @@ is_salt_prefix_workaround_required() {
 	fi
 }
 
-# source https://stackoverflow.com/a/42828523/465684
-hex2string() {
-	local hex_input=""
-	local I=0
-	while read -r line; do hex_input+="$line"; done
-	while [ $I -lt ${#hex_input} ]; do
-		echo -en "\x${hex_input:$I:2}"
-		((I += 2))
-	done
-}
-
 # The `decryption -> encryption` process on an unchanged file must be
 # deterministic for everything to work transparently. To do that, the same
 # salt must be used each time we encrypt the same file. An HMAC has been
@@ -227,7 +216,7 @@ git_clean() {
 		if [ "$(is_salt_prefix_workaround_required)" == "true" ]; then
 			# Encrypt the file to base64, ensuring it includes the prefix 'Salted__' with the salt. #133
 			(
-				echo -n "Salted__" && echo -n "$salt" | hex2string &&
+				echo -n "Salted__" && echo -n "$salt" | sed "s/../\\\\x&/g" | xargs -0 printf "%b" &&
 					# Encrypt file to binary ciphertext
 					ENC_PASS=$password "$openssl_path" enc -e "-${cipher}" -md MD5 -pass env:ENC_PASS -S "$salt" -in "$tempfile"
 			) |