Enhancement - Hooks

- Implemented a master switch rc.hooks=off that can shut off all
  hooks.  Seems like a good idea.
- Added support for 'hooks' and 'hook.*' as valid configuration
  entries.

src/Config.cpp

@@ -119,6 +119,7 @@ std::string Config::defaults =
   "complete.all.projects=no               # Include old project names in 'projects' command\n"     // TODO
   "complete.all.tags=no                   # Include old tag names in 'tags' command\n"             // TODO
   "debug=no                               # Display diagnostics\n"
+  "hooks=off                              # Hook system master switch\n"
   "fontunderline=yes                      # Uses underlines rather than -------\n"
   "shell.prompt=task>                     # Prompt used by the shell command\n"                    // TODO
   "\n"

src/Hooks.cpp

@@ -89,6 +89,10 @@ void Hooks::initialize ()
   api.initialize ();
 #endif
 
+  // Allow a master switch to turn the whole thing off.
+  bool big_red_switch = context.config.getBoolean ("hooks");
+  if (big_red_switch)
+  {
     std::vector <std::string> vars;
     context.config.all (vars);
 
@@ -130,6 +134,9 @@ void Hooks::initialize ()
       }
     }
   }
+  else
+    context.debug ("Hooks::initialize - hook system shut off");
+}
 
 ////////////////////////////////////////////////////////////////////////////////
 void Hooks::setTaskId (int id)

src/command.cpp

@@ -671,7 +671,7 @@ int handleConfig (std::string &outs)
     "displayweeknumber echo.command fontunderline locking monthsperline nag "
     "next project shadow.command shadow.file shadow.notify weekstart editor "
     "import.synonym.id import.synonym.uuid complete.all.projects "
-    "complete.all.tags search.case.sensitive "
+    "complete.all.tags search.case.sensitive hooks "
 #ifdef FEATURE_SHELL
     "shell.prompt "
 #endif
@@ -700,7 +700,8 @@ int handleConfig (std::string &outs)
           i->substr (0, 10) != "color.tag."     &&
           i->substr (0,  8) != "holiday."       &&
           i->substr (0,  7) != "report."        &&
-          i->substr (0,  6) != "alias.")
+          i->substr (0,  6) != "alias."         &&
+          i->substr (0,  5) != "hook.")
       {
         unrecognized.push_back (*i);
       }