ci on macos (#37)

.github/actions/steamcmd/action.yml

@@ -0,0 +1,30 @@
+name: steamcmd
+description: install and setup steamcmd
+inputs:
+  config:
+    description: "steam config as base64 encoded gzipped string"
+    required: true
+runs:
+  using: "composite"
+  steps:
+    - name: Install SteamCMD
+      shell: bash
+      run: |
+        sudo apt-get install lib32gcc-s1 -y
+        mkdir -p ~/Steam | true
+        cd ~/Steam
+        curl -sqL "https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz" | tar zxvf -
+        chmod +x ~/Steam/
+        ~/Steam/steamcmd.sh +help +quit
+
+    - name: Steam Auth
+      shell: bash
+      env:
+        STEAM_CONFIG: ${{ inputs.config }}
+        STEAM_CONFIG_PATH: ~/.steam/steam/config
+      run: |
+        mkdir -p $STEAM_CONFIG_PATH
+        # Decode the base64 data and save it to the config location
+        echo "$STEAM_CONFIG" | base64 -d | gunzip > $STEAM_CONFIG_PATH/config.vdf
+        # Set proper permissions
+        chmod 755 $STEAM_CONFIG_PATH/config.vdf