From 5431160b71d401f435d511150802594d1a84a7f2 Mon Sep 17 00:00:00 2001
From: elseym <elseym@me.com>
Date: Mon, 9 Oct 2017 20:23:48 +0200
Subject: [PATCH] mattermost: create role and db with postgres superuser

Recently, the postgres superuser name has changed. Using the configured
and correct username here fixes database initialisation.

(cherry picked from commit aeeac71231f5ca103eb484815130a864fc571d64)
---
 nixos/modules/services/web-apps/mattermost.nix | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/nixos/modules/services/web-apps/mattermost.nix b/nixos/modules/services/web-apps/mattermost.nix
index bc88a808abc98c..0b637e3991b487 100644
--- a/nixos/modules/services/web-apps/mattermost.nix
+++ b/nixos/modules/services/web-apps/mattermost.nix
@@ -184,10 +184,12 @@ in
           fi
         '' + lib.optionalString cfg.localDatabaseCreate ''
           if ! test -e "${cfg.statePath}/.db-created"; then
-            ${config.services.postgresql.package}/bin/psql postgres -c \
-              "CREATE ROLE ${cfg.localDatabaseUser} WITH LOGIN NOCREATEDB NOCREATEROLE ENCRYPTED PASSWORD '${cfg.localDatabasePassword}'"
-            ${config.services.postgresql.package}/bin/createdb \
-              --owner ${cfg.localDatabaseUser} ${cfg.localDatabaseName}
+            ${pkgs.sudo}/bin/sudo -u ${config.services.postgresql.superUser} \
+              ${config.services.postgresql.package}/bin/psql postgres -c \
+                "CREATE ROLE ${cfg.localDatabaseUser} WITH LOGIN NOCREATEDB NOCREATEROLE ENCRYPTED PASSWORD '${cfg.localDatabasePassword}'"
+            ${pkgs.sudo}/bin/sudo -u ${config.services.postgresql.superUser} \
+              ${config.services.postgresql.package}/bin/createdb \
+                --owner ${cfg.localDatabaseUser} ${cfg.localDatabaseName}
             touch ${cfg.statePath}/.db-created
           fi
         '' + ''