Add one-command server mod updates: build_mods.py --push via update.sh (stop/sync/start, prunes stale jars)

server/deploy.sh

@@ -5,7 +5,7 @@
 # Installs everything needed to run the Reaper's Sky NeoForge 21.1.248 server:
 #   - OpenJDK 21 (JRE, headless) + curl/unzip
 #   - NeoForge 21.1.248 server via its official installer
-#   - the 88 server-safe mods (pinned in mods.json, verified by sha1)
+#   - the server-safe mods (pinned in mods.json, verified by sha1)
 #   - eula.txt + server.properties (IP reaperofveriod.nl)
 #   - run.sh (8 GB, G1GC)
 #
@@ -74,8 +74,10 @@ install_mods() {
   python3 - "$SCRIPT_DIR/mods.json" <<'PY'
 import json, sys, hashlib, subprocess, os
 manifest = json.load(open(sys.argv[1]))
+keep = set()
 for m in manifest["mods"]:
     fname, url, want = m["file"], m["url"], m["sha1"]
+    keep.add(fname)
     tmp = fname + ".part"
     if os.path.exists(fname):
         h = hashlib.sha1()
@@ -84,7 +86,9 @@ for m in manifest["mods"]:
                 h.update(b)
         if h.hexdigest() == want:
             continue  # already present & correct
-    subprocess.run(["curl", "-fL", "--retry", "3", "-o", tmp, url], check=True)
+    if not url:
+        raise SystemExit(f"no download URL for {fname}")
+    subprocess.run(["curl", "-fsSL", "--retry", "3", "-o", tmp, url], check=True)
     h = hashlib.sha1()
     with open(tmp, "rb") as fh:
         for b in iter(lambda: fh.read(65536), b""):
@@ -94,6 +98,11 @@ for m in manifest["mods"]:
         raise SystemExit(f"sha1 mismatch for {fname}")
     os.rename(tmp, fname)
     print(f"  + {fname}")
+# remove jars that are no longer part of the pack
+for f in sorted(os.listdir(".")):
+    if f.endswith(".jar") and f not in keep:
+        os.unlink(f)
+        print(f"  - {f} (stale)")
 PY
   log "Mods ready: $(ls -1 "$SERVER_DIR/mods"/*.jar | wc -l) jars installed."
 }