Add support for steamcmd app validation

README.md

@@ -110,6 +110,14 @@ CS2_LOG_ITEMS=0             (Turns item logging on/off: 0=off, 1=on)
 
 # Customizing this Container
 
+## Validating Game Files
+
+If you break the game through your customisations and want steamcmd to validate and redownload then set the `STEAMAPPVALIDATE` environment variable to `1`:
+
+```dockerfile
+STEAMAPPVALIDATE=0          (0=skip validation, 1=validate game files)
+```
+
 ## Pre and Post Hooks
 
 The container includes two scripts for executing custom actions:

bullseye/Dockerfile

@@ -11,6 +11,7 @@ LABEL maintainer="joedwards32@gmail.com"
 ENV STEAMAPPID 730
 ENV STEAMAPP cs2
 ENV STEAMAPPDIR "${HOMEDIR}/${STEAMAPP}-dedicated"
+ENV STEAMAPPVALIDATE 0
 
 COPY etc/entry.sh "${HOMEDIR}/entry.sh"
 COPY etc/server.cfg "/etc/server.cfg"

bullseye/etc/entry.sh

@@ -5,9 +5,15 @@ mkdir -p "${STEAMAPPDIR}" || true
 
 # Download Updates
 
+if [[ "$STEAMAPPVALIDATE" -eq 1 ]]; then
+    VALIDATE="validate"
+else
+    VALIDATE=""
+fi
+
 bash "${STEAMCMDDIR}/steamcmd.sh" +force_install_dir "${STEAMAPPDIR}" \
 				+login anonymous \
-				+app_update "${STEAMAPPID}" \
+				+app_update "${STEAMAPPID}" "${VALIDATE}"\
 				+quit
 
 # steamclient.so fix

examples/docker-compose.yml

@@ -6,6 +6,7 @@ services:
     environment:
       # Server configuration
       - SRCDS_TOKEN                 # Game Server Token from https://steamcommunity.com/dev/managegameservers
+      - STEAMAPPVALIDATE=0          # (0 - no validation, 1 - enable validation)
       - CS2_SERVERNAME=changeme     # (Set the visible name for your private server)
       - CS2_CHEATS=0                # (0 - disable cheats, 1 - enable cheats)
       - CS2_PORT=27015              # (CS2 server listen port tcp_udp)