Suggest reporting a bug for some errors

VERSION

@@ -1,2 +1,7 @@
 innoextract 1.4-git
+
+Known working Inno Setup versions:
 Inno Setup 1.2.10 to 5.5.5
+
+Bug tracker:
+http://innoextract.constexpr.org/issues

src/cli/main.cpp

@@ -328,6 +328,7 @@ int main(int argc, char * argv[]) {
 	const std::vector<std::string> & files = options["setup-files"]
 	                                         .as< std::vector<std::string> >();
 	
+	bool suggest_bug_report = false;
 	try {
 		BOOST_FOREACH(const std::string & file, files) {
 			process_file(file, o);
@@ -335,14 +336,22 @@ int main(int argc, char * argv[]) {
 	} catch(const std::ios_base::failure & e) {
 		log_error << "Stream error while extracting files!\n"
 		          << " └─ error reason was " << e.what();
+		suggest_bug_report = true;
 	} catch(const format_error & e) {
 		log_error << e.what();
+		suggest_bug_report = true;
 	} catch(const std::runtime_error & e) {
 		log_error << e.what();
 	} catch(const setup::version_error &) {
 		log_error << "Not a supported Inno Setup installer!";
 	}
 	
+	if(suggest_bug_report) {
+		std::cerr << color::blue << "If you are sure the setup file is not corrupted,"
+		          << " consider \nfiling a bug report at "
+		          << color::dim_cyan << innoextract_bugs << color::reset << '\n';
+	}
+	
 	if(!logger::quiet || logger::total_errors || logger::total_warnings) {
 		progress::clear();
 		std::ostream & os = logger::quiet ? std::cerr : std::cout;

src/release.cpp.in

@@ -28,7 +28,7 @@
  * For available variables see cmake/VersionString.cmake.
  */
 
-#if ${VERSION_COUNT} != 2
+#if ${VERSION_COUNT} != 5
 #error "Configure error - the VERSION file should specify exactly two lines!"
 #endif
 
@@ -40,7 +40,9 @@ const char innoextract_name[] = "${VERSION_0_NAME}";
 
 const char innoextract_version[] = "${VERSION_0_NUMBER}${GIT_SUFFIX_5}";
 
-const char innosetup_versions[] = "${VERSION_1}";
+const char innosetup_versions[] = "${VERSION_2}";
+
+const char innoextract_bugs[] = "${VERSION_4}";
 
 const char innoextract_copyright[] = "${LICENSE_0_STRING}";
 

src/release.hpp

@@ -35,6 +35,9 @@ extern const char innoextract_version[];
 //! Range of supported Inno Setup versions
 extern const char innosetup_versions[];
 
+//! Bug tracker URL
+extern const char innoextract_bugs[];
+
 //! Copyright line for the current program
 extern const char innoextract_copyright[];