Update files for javascript build and export

Adds some files to making building and export for HTML5 more convenient.

addons/godot_xterm/native/build.sh

@@ -2,7 +2,7 @@
 set -e
 
 
-# Get the absolute path to the directory this script is in.
+#GODOT_DIR Get the absolute path to the directory this script is in.
 NATIVE_DIR="$( cd "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
 
 
@@ -34,6 +34,6 @@ scons generate_bindings=yes -j$(nproc)
 cd ${NATIVE_DIR}
 scons -j$(nproc)
 
-echo "To Build libgodot-xterm for javascript platform inside a docker container, run:"
-echo 'UID_GID="$(id -u):$(id -g)" docker-compose run javascript-build'
- 
+# Use Docker to build libgodot-xterm javascript.
+UID_GID="0:0" docker-compose build javascript
+UID_GID="$(id -u):$(id -g)" docker-compose run javascript

addons/godot_xterm/native/docker-compose.yaml

@@ -1,6 +1,14 @@
 services:
-  javascript-build:
-    build: misc/docker
+  javascript:
+    build: ../../../misc/docker
     user: ${UID_GID}
     volumes:
-      - .:/godot
+      - .:/src
+    command:
+      - /bin/bash
+      - -c
+      - |
+        cd /src/thirdparty/godot-cpp
+        scons platform=javascript target=debug -j$$(nproc)
+        cd /src
+        scons platform=javascript target=debug -j$$(nproc)

addons/godot_xterm/native/misc/docker/Dockerfile

@@ -1,12 +0,0 @@
-FROM ponders/godot-cpp-ci
-
-RUN git clone https://github.com/emscripten-core/emsdk.git
-WORKDIR emsdk
-RUN ./emsdk install 2.0.10
-RUN ./emsdk activate 2.0.10
-RUN chmod -R 777 /emsdk
-WORKDIR /godot
-RUN apt-get update && apt-get install -y vim
-COPY ./build.sh /build.sh
-RUN chmod +x /build.sh
-CMD /build.sh

addons/godot_xterm/native/misc/docker/build.sh

@@ -1,7 +0,0 @@
-#!/bin/bash
-source /emsdk/emsdk_env.sh
-export EM_CACHE=/godot/.emcache
-cd /godot/thirdparty/godot-cpp
-scons platform=javascript -j$(nproc)
-cd /godot
-scons platform=javascript -j$(nproc)

addons/godot_xterm/native/shell.nix

@@ -5,5 +5,9 @@ mkShell {
     scons
 
     cacert # Required for git clone on GithHub actions runner.
+
+    # Used to build for javascript platform.
+    docker
+    docker-compose
   ];
 }