Make the ini patching process section aware

README.md

@@ -14,9 +14,9 @@ Values can be passed into the server configuration file via environment variable
 
 On startup the container will look for any environment variables prefixed by `TES3MP_SERVER_` and attempt to update them on `tes3mp-server-default.cfg`.
 
-Environment variables should be represented as uppercase snake case.
+Syntax: `TES3MP_SERVER_<section>_<variable>`
 
-For example `TES3MP_SERVER_MAXIMUM_PLAYERS` correlates to `maximumPlayers` in the configuration file.
+For example `TES3MP_SERVER_GENERAL_MAXIMUM_PLAYERS` correlates to `[General] maximumPlayers` in the configuration file.
 
 ## Getting the image
 
@@ -54,7 +54,7 @@ Replace the path described at the `-v` (volume) argument to a directory on your
 ```bash
 docker run -it \
     --name TES3MP-server \
-    -e TES3MP_SERVER_HOSTNAME="Containerized TES3MP Server" \
+    -e TES3MP_SERVER_GENERAL_HOSTNAME="Containerized TES3MP Server" \
     -v "$HOME/TES3MP/data:/server/data" \
     -p "25565:25565/udp" \
     tes3mp/server
@@ -65,7 +65,7 @@ docker run -it \
 ```bash
 docker run -it \
     --name TES3MP-server \
-    -e TES3MP_SERVER_HOSTNAME="Containerized TES3MP Server" \
+    -e TES3MP_SERVER_GENERAL_HOSTNAME="Containerized TES3MP Server" \
     -v "$HOME/TES3MP/data:/server/data" \
     -p "25565:25565/udp" \
     tes3mp/server:0.6.3
@@ -93,7 +93,7 @@ services:
   server:
     image: "tes3mp/server:0.6.3"
     environment:
-      - TES3MP_SERVER_HOSTNAME="Containerized TES3MP Server"
+      - TES3MP_SERVER_GENERAL_HOSTNAME="Containerized TES3MP Server"
     volumes:
       - "./data:/server/data"
     ports:
@@ -102,7 +102,7 @@ services:
   server-legacy:
     image: "tes3mp/server:0.5.2"
     environment:
-      - TES3MP_SERVER_HOSTNAME="Containerized TES3MP Server (Legacy)"
+      - TES3MP_SERVER_GENERAL_HOSTNAME="Containerized TES3MP Server (Legacy)"
     volumes:
       - "./data-legacy:/server/data"
     ports:

entrypoint.sh

@@ -10,18 +10,21 @@ fi
 
 printenv | grep 'TES3MP_SERVER_' | while read -r envvar
 do
-  declare -a envvar_exploded=(`echo "$envvar" |sed 's/=/ /g'`)
-  variable="${envvar_exploded[0]}"
+  declare -a envvar_exploded=(`echo "$envvar" | sed 's/=/ /g'`)
+  section_and_variable="${envvar_exploded[0]}"
   value="${envvar_exploded[@]:1}"
-  echo "Applying value of \"$variable\" to the configuration"
-  variable=$(echo "$variable" \
-    | sed -e 's/TES3MP_SERVER_\(.*\)/\1/' \
+  section_and_variable=$(echo "$section_and_variable" \
+    | sed -e 's/TES3MP_SERVER_\([^_]*\)_\(.*\)/\1:\2/' \
     | tr '[:upper:]' '[:lower:]' \
     | awk -F "_" \
       '{printf "%s", $1; \
         for(i=2; i<=NF; i++) printf "%s", toupper(substr($i,1,1)) substr($i,2); print"";}')
+  declare -a section_and_variable_exploded=(`echo "$section_and_variable" | sed 's/:/ /g'`)
+  section="${section_and_variable_exploded[0]}"
+  variable="${section_and_variable_exploded[1]}"
+  echo "Applying \"[$section] $variable = $value\" to the configuration"
   sed -i \
-    "s/^\($variable =\).*$/\1 $value/" \
+     "/\[$section\]/I,/\[/ s/\($variable =\).*$/\1 $value/" \
     ./tes3mp-server-default.cfg
 done