diff --git a/hecl/driver/ToolBase.hpp b/hecl/driver/ToolBase.hpp
index 705acaea6..a80d4555e 100644
--- a/hecl/driver/ToolBase.hpp
+++ b/hecl/driver/ToolBase.hpp
@@ -26,6 +26,7 @@ struct ToolPassInfo
     hecl::Database::Project* project = nullptr;
     unsigned verbosityLevel = 0;
     bool force = false;
+    bool yes = false;
 };
 
 class ToolBase
diff --git a/hecl/driver/ToolExtract.hpp b/hecl/driver/ToolExtract.hpp
index fc1120c73..b8b92ca11 100644
--- a/hecl/driver/ToolExtract.hpp
+++ b/hecl/driver/ToolExtract.hpp
@@ -121,7 +121,7 @@ public:
             hecl::Printf(_S("" BOLD "%s" NORMAL ""), rep.name.c_str());
         else
             hecl::Printf(_S("%s"), rep.name.c_str());
-        
+
         if (rep.desc.size())
             hecl::Printf(_S(" [%s]"), rep.desc.c_str());
         hecl::Printf(_S("\n"));
@@ -151,31 +151,34 @@ public:
             hecl::Printf(_S("\n"));
         }
 
-        if (XTERM_COLOR)
-            hecl::Printf(_S("\n" BLUE BOLD "Continue?" NORMAL " (Y/n) "));
-        else
-            hecl::Printf(_S("\nContinue? (Y/n) "));
-
-        int ch;
-#ifndef _WIN32
-        struct termios tioOld, tioNew;
-        tcgetattr(0, &tioOld);
-        tioNew = tioOld;
-        tioNew.c_lflag &= ~ICANON; 
-        tcsetattr(0, TCSANOW, &tioNew);
-        while ((ch = getchar()))
-#else
-        while ((ch = getch()))
-#endif
+        if (!m_info.yes)
         {
-            if (ch == 'n' || ch == 'N')
-                return 0;
-            if (ch == 'y' || ch == 'Y' || ch == '\r' || ch == '\n')
-                break;
-        }
+            if (XTERM_COLOR)
+                hecl::Printf(_S("\n" BLUE BOLD "Continue?" NORMAL " (Y/n) "));
+            else
+                hecl::Printf(_S("\nContinue? (Y/n) "));
+
+            int ch;
 #ifndef _WIN32
-        tcsetattr(0, TCSANOW, &tioOld);
+            struct termios tioOld, tioNew;
+            tcgetattr(0, &tioOld);
+            tioNew = tioOld;
+            tioNew.c_lflag &= ~ICANON;
+            tcsetattr(0, TCSANOW, &tioNew);
+            while ((ch = getchar()))
+#else
+            while ((ch = getch()))
 #endif
+            {
+                if (ch == 'n' || ch == 'N')
+                    return 0;
+                if (ch == 'y' || ch == 'Y' || ch == '\r' || ch == '\n')
+                    break;
+            }
+#ifndef _WIN32
+            tcsetattr(0, TCSANOW, &tioOld);
+#endif
+        }
 
         hecl::Printf(_S("\n"));
 
diff --git a/hecl/driver/main.cpp b/hecl/driver/main.cpp
index 3a6e6b8aa..2d3e595ab 100644
--- a/hecl/driver/main.cpp
+++ b/hecl/driver/main.cpp
@@ -96,7 +96,7 @@ int main(int argc, const char** argv)
 #else
     std::setlocale(LC_ALL, "en-US.UTF-8");
 #endif
-    
+
     /* Xterm check */
 #if _WIN32
     const char* conemuANSI = getenv("ConEmuANSI");
@@ -201,6 +201,8 @@ int main(int argc, const char** argv)
                     ++info.verbosityLevel;
                 else if (*chit == _S('f'))
                     info.force = true;
+                else if (*chit == _S('y'))
+                    info.yes = true;
                 else
                     info.flags.push_back(*chit);
             }
diff --git a/hecl/extern/boo b/hecl/extern/boo
index 1eb46301c..ca3880577 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 1eb46301c0e56cf33df173396029841c960e42fd
+Subproject commit ca38805776c814034af28f68144de64868601da1