Add a script to checkout/update linux dependencies.

tools/checkout-linux-deps.sh

@@ -0,0 +1,44 @@
+# This should be run inside a folder that contains sourcemod, otherwise, it will checkout things into "sm-dependencies".
+
+if [ ! -d "sourcemod-central" ]; then
+  if [ ! -d "sourcemod-1.5" ]; then
+    mkdir sm-dependencies
+    cd sm-dependencies
+  fi
+fi
+
+if [ ! -d "mysql-5.0" ]; then
+  wget http://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.13-linux-glibc2.5-i686.tar.gz/from/http://cdn.mysql.com/ -O mysql.tar.gz
+  tar zxvf mysql.tar.gz
+  mv mysql-5.6.13-linux-glibc2.5-i686 mysql-5.0
+  rm mysql.tar.gz
+fi
+
+checkout ()
+{
+  if [ ! -d "$name" ]; then
+    hg clone http://hg.alliedmods.net/$path/$name
+  else
+    cd $name
+    hg pull -u
+    cd ..
+  fi
+}
+
+name=mmsource-1.10
+path=releases
+checkout
+
+sdks=( csgo hl2dm nd l4d2 ob dods l4d css tf2 )
+
+for sdk in "${sdks[@]}"
+do
+  name=hl2sdk-$sdk
+  path=hl2sdks
+  checkout
+done
+
+name=hl2sdk
+path=hl2sdks
+checkout
+