add new getcmd

chsrc.c

@@ -1162,6 +1162,48 @@ os_gentoo_setsrc(char* option)
 }
 
 
+/**
+ * 未经测试
+ */
+void
+os_netbsd_setsrc(char* option)
+{
+  int index = 0;
+
+  if (NULL!=option) {
+    index = lets_find_mirror(os_netbsd, option);
+  } else {
+    index = lets_test_speed(os_netbsd);
+  }
+
+
+  source_info source = os_netbsd_sources[index];
+  chsrc_say_selection(&source);
+
+
+  char* backup = "cp -rf /usr/pkg/etc/pkgin/repositories.conf /usr/pkg/etc/pkgin/repositories.conf.bak";
+  chsrc_logcmd(backup);
+  system(backup);
+
+  xy_info ("chsrc: 备份文件名: /usr/pkg/etc/pkgin/repositories.conf.bak");
+
+  char* cmd = xy_strjoin(6,"echo ",
+                            source.url,
+                            arch,
+                            "/",
+                            version,
+                            "/All > /usr/pkg/etc/pkgin/repositories.conf");
+  chsrc_logcmd(cmd);
+  system(cmd);
+
+  // char* rm = "rm -rf /etc/portage/repos.conf/gentoo.conf.bak";
+  // system(rm);
+  
+  chsrc_say_thanks(&source);
+}
+
+
+
 /************************************** Begin Target Matrix ****************************************/
 def_target_info(pl_ruby);
 def_target_info(pl_python);

xy.h

@@ -448,7 +448,7 @@ xy_str_strip (const char* str)
  * 注意：执行结果后面有回车换行
  */
 char *
-xy_getcmd(const char * cmd)
+xy_getcmd(const char * cmd, bool (*func)(const char*))
 {
   const int BUFSIZE = 1024;
 
@@ -465,15 +465,29 @@ xy_getcmd(const char * cmd)
   // 从 stream 指针指向的文件中读取数据。
   char *ret;
   do {
-          ret = fgets(buf, sizeof(buf), stream);
-          if(ret==NULL)
-                  break;
+          if(fgets(buf, sizeof(buf), stream)==NULL)
+          {
+            break;
+          }
+          if(func==NULL)
+          {
+                ret = buf;
+          }
+          else
+          {
+                if(func(buf))
+                {
+                        ret = buf;
+                        break;
+                }
+          }
   }while(1);
 
   // 关闭 stream 指针。
   pclose(stream);
-  return buf;
+  return ret;
 }
 
 
+
 #endif