[windows] detect MinTTY #2248

src/lib/termdesc.c

@@ -1056,7 +1056,11 @@ int interrogate_terminfo(tinfo* ti, FILE* out, unsigned utf8,
     if((iresp = inputlayer_get_responses(ti->ictx)) == NULL){
       goto err;
     }
-    ti->termversion = iresp->version; // takes ownership
+    if(ti->termversion){
+      free(iresp->version);
+    }else{
+      ti->termversion = iresp->version; // takes ownership
+    }
     if(iresp->appsync_supported){
       if(add_appsync_escapes_sm(ti, &tablelen, &tableused)){
         free(iresp);

src/lib/windows.c

@@ -98,10 +98,11 @@ int prepare_windows_terminal(tinfo* ti, size_t* tablelen, size_t* tableused){
     if(strcmp(tp, "mintty") == 0){
       const char* ver = getenv("TERM_PROGRAM_VERSION");
       if(ver){
-        ti->version = strdup(ver);
+        ti->termversion = strdup(ver);
       }
-      loginfo("detected mintty %s\n", ti->version ? ti->version : "");
-      return TERMINAL_MINTTY;
+      loginfo("detected mintty %s\n", ti->termversion ? ti->termversion : "");
+      ti->qterm = TERMINAL_MINTTY;
+      return 0;
     }
   }
   ti->qterm = TERMINAL_MSTERMINAL;