Modified Kiwix-manage to incorporate origID parameter for diff files in the kiwix library.

Book class and Manager class modified.

-Kiran

src/manager/kiwix-manage.cpp

@@ -96,6 +96,7 @@ int main(int argc, char **argv) {
     string indexPath;
     kiwix::supportedIndexType indexBackend = kiwix::XAPIAN;
     string url;
+    string origID="";
     bool setCurrent = false;
 
     if (argc>3) {
@@ -108,6 +109,7 @@ int main(int argc, char **argv) {
 
       static struct option long_options[] = {
 	{"url", required_argument, 0, 'u'},
+	{"origId", required_argument, 0, 'o'},
 	{"indexPath", required_argument, 0, 'i'},
 	{"indexBackend", required_argument, 0, 'b'},
 	{"zimPathToSave", required_argument, 0, 'z'},
@@ -115,7 +117,7 @@ int main(int argc, char **argv) {
 	{0, 0, 0, 0}
       };
 
-      c = getopt_long(argc, argv, "cz:u:i:b:", long_options, &option_index);
+      c = getopt_long(argc, argv, "cz:u:o:i:b:", long_options, &option_index);
 
       if (c != -1) {
 
@@ -124,6 +126,10 @@ int main(int argc, char **argv) {
 	  url = optarg;
 	  break;
 
+        case 'o':
+	  origID = optarg;
+	  break;
+
         case 'c':
 	  setCurrent = true;
 	  break;
@@ -154,7 +160,7 @@ int main(int argc, char **argv) {
 
     if (zimPath != "") {
       zimPathToSave = zimPathToSave == "." ? zimPath : zimPathToSave;
-      string bookId = libraryManager.addBookFromPathAndGetId(zimPath, zimPathToSave, url, false);
+      string bookId = libraryManager.addBookFromPathAndGetId(zimPath, zimPathToSave, url,origID, false);
 
       if (!bookId.empty()) {