From 33dfca7cad44e48a8d003e9103af4814c9a86d37 Mon Sep 17 00:00:00 2001
From: Andy Pfister <andy.pfister@hey.com>
Date: Fri, 27 Sep 2024 13:28:44 +0200
Subject: [PATCH] Remove `lc_collate` and `lc_type`

---
 docker-entrypoint.sh | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 75fccc5..01aa5a8 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -504,10 +504,20 @@ _main() {
 				local COLLATE=unset
 				local CTYPE=unset
 				local ENCODING=unset
-				COLLATE=$(echo 'SHOW LC_COLLATE' | "${OLDPATH}/bin/postgres" --single -D "${OLD}" "${POSTGRES_DB}" | grep 'lc_collate = "' | cut -d '"' -f 2)
-				CTYPE=$(echo 'SHOW LC_CTYPE' | "${OLDPATH}/bin/postgres" --single -D "${OLD}" "${POSTGRES_DB}" | grep 'lc_ctype = "' | cut -d '"' -f 2)
+
 				ENCODING=$(echo 'SHOW SERVER_ENCODING' | "${OLDPATH}/bin/postgres" --single -D "${OLD}" "${POSTGRES_DB}" | grep 'server_encoding = "' | cut -d '"' -f 2)
-				POSTGRES_INITDB_ARGS="--locale=${COLLATE} --lc-collate=${COLLATE} --lc-ctype=${CTYPE} --encoding=${ENCODING}"
+
+				# LC_COLLATE and LC_TYPE have been removed with PG v16
+				# https://www.postgresql.org/docs/release/16.0/
+				if [ "${PGVER}" -lt 16 ]; then
+					COLLATE=$(echo 'SHOW LC_COLLATE' | "${OLDPATH}/bin/postgres" --single -D "${OLD}" "${POSTGRES_DB}" | grep 'lc_collate = "' | cut -d '"' -f 2)
+					CTYPE=$(echo 'SHOW LC_CTYPE' | "${OLDPATH}/bin/postgres" --single -D "${OLD}" "${POSTGRES_DB}" | grep 'lc_ctype = "' | cut -d '"' -f 2)
+
+					POSTGRES_INITDB_ARGS="--locale=${COLLATE} --lc-collate=${COLLATE} --lc-ctype=${CTYPE} --encoding=${ENCODING}"
+				else
+					POSTGRES_INITDB_ARGS="--encoding=${ENCODING}"
+				fi
+
 				echo "---------------------------------------------------------------"
 				echo "The initdb arguments we determined are: ${POSTGRES_INITDB_ARGS}"
 				echo "---------------------------------------------------------------"