From e60725bd3df70da3ce294dc197ad461825ee8c62 Mon Sep 17 00:00:00 2001
From: Kevin Griffin <kev@bibo.com.ph>
Date: Wed, 29 May 2019 17:21:55 +0900
Subject: [PATCH] postgresql: add character set config

`initdb` expects to read the locale or SQL_ASCII environment
variable to determine the most appropriate character set.
Instead, offer a configuration option.
---
 modules/services/postgresql/default.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/modules/services/postgresql/default.nix b/modules/services/postgresql/default.nix
index 5b29b68b..35a4aed0 100644
--- a/modules/services/postgresql/default.nix
+++ b/modules/services/postgresql/default.nix
@@ -61,6 +61,13 @@ in
         description = ''Data directory for PostgreSQL.'';
       };
 
+      characterSet = mkOption {
+        type = types.string;
+        default = "UTF8";
+        example = "SJIS";
+        description = ''Character set specified during initialization'';
+      };
+
       enableTCPIP = mkOption {
         type = types.bool;
         default = false;
@@ -101,7 +108,7 @@ in
         script = ''
           # Initialise the database.
           if ! test -e ${cfg.dataDir}/PG_VERSION; then
-            initdb -U postgres -D ${cfg.dataDir}
+            initdb -U postgres -D ${cfg.dataDir} -E ${cfg.characterSet}
           fi
           ${pkgs.coreutils}/bin/ln -sfn ${configFile} ${cfg.dataDir}/postgresql.conf