feat(CI): prevent PRs that cause DB errors to get on master (#1407)

.travis.yml

@@ -44,3 +44,7 @@ install:
 script:
   # compile
   - bash ./acore.sh "compiler" "all"
+  - git clone --depth=1 --branch=master --single-branch https://github.com/ac-data/ac-data.git /home/travis/build/azerothcore/azerothcore-wotlk/env/dist/data
+  - cp ./data/travis/worldserver.conf ./env/dist/etc/worldserver.conf
+  - ./env/dist/bin/worldserver --dry-run
+  - ./apps/ci-error-check.sh

apps/ci-error-check.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+DB_ERRORS_FILE="/home/travis/build/azerothcore/azerothcore-wotlk/env/dist/bin/DBErrors.log";
+#DB_ERRORS_FILE="./env/dist/bin/DBErrors.log";
+
+if [[ ! -f ${DB_ERRORS_FILE} ]]; then
+    echo "File ${DB_ERRORS_FILE} not found!";
+    exit 1
+fi
+
+if [[ -s ${DB_ERRORS_FILE} ]]; then
+     printf "The DBErrors.log file contains startup errors:\n\n";
+     cat ${DB_ERRORS_FILE};
+     printf "\nPlease solve the startup errors listed above!\n";
+     exit 1;
+else
+     echo "No startup errors found in DBErrors.log, good job!";
+fi

data/travis/worldserver.conf

@@ -0,0 +1,12 @@
+################################################
+# AzerothCore World Server configuration file #
+################################################
+[worldserver]
+
+LoginDatabaseInfo     = "127.0.0.1;3306;root;;acore_auth"
+WorldDatabaseInfo     = "127.0.0.1;3306;root;;acore_world"
+CharacterDatabaseInfo = "127.0.0.1;3306;root;;acore_characters"
+
+EnableLogDB = 1
+DataDir = "/home/travis/build/azerothcore/azerothcore-wotlk/env/dist/data"
+LogsDir = "/home/travis/build/azerothcore/azerothcore-wotlk/env/dist/bin"

src/common/Configuration/Config.h

@@ -46,7 +46,12 @@ public:
 
     std::list<std::string> GetKeysByString(std::string const& name);
 
+    bool isDryRun() { return this->dryRun; }
+    void setDryRun(bool mode) { this->dryRun = mode; }
+
 private:
+    bool dryRun = false;
+
     bool GetValueHelper(const char* name, ACE_TString &result);
     bool LoadData(char const* file);
 

src/server/game/World/World.cpp

@@ -1350,7 +1350,9 @@ void World::SetInitialWorldSettings()
     ///- Init highest guids before any table loading to prevent using not initialized guids in some code.
     sObjectMgr->SetHighestGuids();
 
-    ///- Check the existence of the map files for all races' startup areas.
+    if (!sConfigMgr->isDryRun())
+    {
+        ///- Check the existence of the map files for all starting areas.
         if (!MapManager::ExistMapAndVMap(0, -6240.32f, 331.033f)
             || !MapManager::ExistMapAndVMap(0, -8949.95f, -132.493f)
             || !MapManager::ExistMapAndVMap(1, -618.518f, -4251.67f)
@@ -1363,6 +1365,7 @@ void World::SetInitialWorldSettings()
         {
             exit(1);
         }
+    }
 
     ///- Initialize pool manager
     sPoolMgr->Initialize();
@@ -1952,6 +1955,11 @@ void World::SetInitialWorldSettings()
         sLog->outString("Enabling database logging...");
         sLog->SetLogDB(true);
     }
+
+    if (sConfigMgr->isDryRun()) {
+        sLog->outString("AzerothCore dry run completed, terminating.");
+        exit(0);
+    }
 }
 
 void World::DetectDBCLang()

src/server/worldserver/Main.cpp

@@ -65,6 +65,11 @@ extern int main(int argc, char** argv)
     int c = 1;
     while (c < argc)
     {
+        if (strcmp(argv[c], "--dry-run") == 0)
+        {
+            sConfigMgr->setDryRun(true);
+        }
+
         if (!strcmp(argv[c], "-c"))
         {
             if (++c >= argc)