From 14cb9c51a7fc3bb68646a793624146d43c158adf Mon Sep 17 00:00:00 2001
From: Chihyun Song <ian0371@gmail.com>
Date: Sun, 10 Feb 2019 16:47:51 +0900
Subject: [PATCH] Fix permission error on Synology NAS

There were two bugs when trying to run the image on Synology NAS (DSM 6.2.1-23824 Update 4):
1) `initdb` failed because the permission of ${PG_HOME} was 000, and
2) `sed -i` failed because `sed` internally could not generate temporary
files
---
 runtime/functions | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/runtime/functions b/runtime/functions
index 440c206..e0befbe 100755
--- a/runtime/functions
+++ b/runtime/functions
@@ -32,6 +32,7 @@ create_datadir() {
     find ${PG_DATADIR} -type d -exec chmod 0700 {} \;
   fi
   chown -R ${PG_USER}:${PG_USER} ${PG_HOME}
+  chmod 700 ${PG_HOME}
 }
 
 create_certdir() {
@@ -70,7 +71,7 @@ set_postgresql_param() {
         echo "‣ Setting postgresql.conf parameter: ${key} = '${value}'"
       fi
       value="$(echo "${value}" | sed 's|[&]|\\&|g')"
-      exec_as_postgres sed -i "s|^[#]*[ ]*${key} = .*|${key} = '${value}'|" ${PG_CONF}
+      sed -i "s|^[#]*[ ]*${key} = .*|${key} = '${value}'|" ${PG_CONF}
     fi
   fi
 }
@@ -86,7 +87,7 @@ set_recovery_param() {
         true)  echo "‣ Setting primary_conninfo parameter: ${key}" ;;
         *) echo "‣ Setting primary_conninfo parameter: ${key} = '${value}'" ;;
       esac
-      exec_as_postgres sed -i "s|${key}=[^ ']*|${key}=${value}|" ${PG_RECOVERY_CONF}
+      sed -i "s|${key}=[^ ']*|${key}=${value}|" ${PG_RECOVERY_CONF}
     fi
   fi
 }