Move git hash into a dedicated .h so less compiling happens after a commit

CMakeLists.txt

@@ -67,6 +67,10 @@ configure_file(
 	"${PROJECT_SOURCE_DIR}/src/${bare_name}Config.h.in"
 	"${PROJECT_BINARY_DIR}/${bare_name}Config.h"
 )
+configure_file(
+	"${PROJECT_SOURCE_DIR}/src/gitinfo.h.in"
+	"${PROJECT_BINARY_DIR}/gitinfo.h"
+)
 configure_file(
 	"${PROJECT_SOURCE_DIR}/dindexer.sql.in"
 	"${PROJECT_BINARY_DIR}/dindexer.sql"

src/common/commandline.cpp

@@ -17,6 +17,7 @@
 
 #include "dindexer-common/commandline.hpp"
 #include "dindexerConfig.h"
+#include "gitinfo.h"
 #include "helpers/lengthof.h"
 #include "helpers/stringize.h"
 #include "helpers/infix_iterator.hpp"

src/dindexerConfig.h.in

@@ -25,7 +25,6 @@
 #define VERSION_MINOR @PROJECT_VERSION_MINOR@
 #define VERSION_BETA @PROJECT_VERSION_BETA@
 #define VERSION_PATCH @PROJECT_VERSION_PATCH@
-#define VERSION_GIT "@PROJECT_VERSION_GIT@"
 #define CONFIG_FILE_PATH "@DINDEXER_CONFIG_FILE@"
 #define ACTIONS_SEARCH_PATH "@DINDEXER_ACTIONS_PATH@"
 #define ACTION_PREFIX "@bare_name@-"

src/gitinfo.h.in

@@ -0,0 +1,23 @@
+/* Copyright 2015, 2016, Michele Santullo
+ * This file is part of "dindexer".
+ *
+ * "dindexer" is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * "dindexer" is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with "dindexer".  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef id326021FDDB1342CA99684805D5D45618
+#define id326021FDDB1342CA99684805D5D45618
+
+#define VERSION_GIT "@PROJECT_VERSION_GIT@"
+
+#endif

src/main/builtin_feats.c

@@ -18,6 +18,7 @@
 #include "builtin_feats.h"
 #include <stdio.h>
 #include "dindexerConfig.h"
+#include "gitinfo.h"
 #include "timestamp.h"
 
 void print_builtin_feats() {