Add support for default and langonly in comps xml

Author: pkratoch

ext/repo_comps.c

@@ -29,7 +29,6 @@
  * TODO:
  *
  * what's the difference between group/category?
- * handle "default" and "langonly".
  *
  * maybe handle REL_COND in solver recommends handling?
  */
@@ -197,6 +196,18 @@ endElement(struct solv_xmlparser *xmlp, int state, char *content)
       repodata_set_void(pd->data, pd->handle, SOLVABLE_ISVISIBLE);
       break;
 
+    case STATE_DEFAULT:
+      repodata_set_void(pd->data, pd->handle, SOLVABLE_ISDEFAULT);
+      break;
+
+    case STATE_LANG_ONLY:
+      repodata_set_str(pd->data, pd->handle, SOLVABLE_LANGONLY, content);
+      break;
+
+    case STATE_LANGONLY:
+      repodata_set_str(pd->data, pd->handle, SOLVABLE_LANGONLY, content);
+      break;
+
     case STATE_DISPLAY_ORDER:
       repodata_set_str(pd->data, pd->handle, SOLVABLE_ORDER, content);
       break;

src/knownid.h

@@ -267,6 +267,8 @@ KNOWNID(LIBSOLV_SELF_DESTRUCT_PKG,      "libsolv-self-destruct-pkg()"),	/* this
 
 KNOWNID(SOLVABLE_CONSTRAINS,		"solvable:constrains"),		/* conda */
 KNOWNID(SOLVABLE_TRACK_FEATURES,	"solvable:track_features"),	/* conda */
+KNOWNID(SOLVABLE_ISDEFAULT,		"solvable:isdefault"),
+KNOWNID(SOLVABLE_LANGONLY,		"solvable:langonly"),
 
 KNOWNID(UPDATE_COLLECTIONLIST,      "update:collectionlist"),  /* list of UPDATE_COLLECTION (actually packages) and UPDATE_MODULE */