Move wiki page into source code

src/recipe/lang/Ruby/README.md

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+# Ruby 换源问题
+
+https://github.com/ustclug/discussions/issues/438
+
+
+- 清华、北京外国语: 不可用，原因是: 实现不足 https://github.com/tuna/issues/issues/374
+
+- 腾讯: 不可用，原因是:  缺乏 `versions` 文件
+- 阿里: 不可用，原因是:  缺乏 `versions` 文件
+
+- 华为: 不可用，原因是：版本太过老旧，应该是没有同步

src/recipe/lang/Ruby/Ruby.c

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+/** ------------------------------------------------------------
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ * -------------------------------------------------------------
+ * File Authors  : Aoran Zeng <ccmywish@qq.com>
+ * Contributors  :  Nil Null  <nil@null.org>
+ *               |
+ * Created On    : <2023-08-29>
+ * Last Modified : <2025-07-14>
+ * ------------------------------------------------------------*/
+
+static SourceProvider_t pl_ruby_upstream =
+{
+  def_upstream, "https://rubygems.org",
+  {NotSkip, NA, NA, "https://rubygems.org/gems/nokogiri-1.15.0-java.gem", ACCURATE}
+};
+
+static MirrorSite_t RubyChina =
+{
+  IS_DedicatedMirrorSite,
+  "rubychina", "RubyChina", "Ruby China 社区", "https://gems.ruby-china.com/",
+  {NotSkip, NA, NA, "https://gems.ruby-china.com/rubygems/gems/nokogiri-1.15.0-java.gem", ACCURATE} // 9.9 MB
+};
+
+/**
+ * @update 2024-12-18
+ */
+static Source_t pl_ruby_sources[] =
+{
+  {&pl_ruby_upstream, "https://rubygems.org",         NULL},
+  {&RubyChina,        "https://gems.ruby-china.com/", NULL},
+  {&Ustc,             "https://mirrors.ustc.edu.cn/rubygems/", NULL}
+
+  // {&Tuna,      "https://mirrors.tuna.tsinghua.edu.cn/rubygems/", NULL},
+  // {&Bfsu,      "https://mirrors.bfsu.edu.cn/rubygems/",          NULL},
+
+  // {&Tencent,   "https://mirrors.tencent.com/rubygems/",          NULL},
+  // {&Tencent_Intra, "https://mirrors.tencentyun.com/rubygems/",   NULL},
+  // {&Ali,       "https://mirrors.aliyun.com/rubygems/",            NULL},
+  // {&Huawei,    "https://mirrors.huaweicloud.com/repository/rubygems/", NULL},
+};
+def_sources_n(pl_ruby);
+
+
+void
+pl_ruby_getsrc (char *option)
+{
+  chsrc_run ("gem sources", RunOpt_Default);
+  chsrc_run ("bundle config get mirror.https://rubygems.org", RunOpt_Default);
+}
+
+void
+pl_ruby_remove_gem_source (const char *source)
+{
+  char *cmd = NULL;
+  if (chef_is_url (source))
+    {
+      cmd = xy_2strjoin ("gem sources -r ", source);
+      chsrc_run (cmd, RunOpt_Default);
+    }
+}
+
+/**
+ * @consult https://gitee.com/RubyMetric/rbenv-cn
+ */
+void
+pl_ruby_setsrc (char *option)
+{
+  chsrc_ensure_program ("gem");
+
+  chsrc_yield_source_and_confirm (pl_ruby);
+
+  char *cmd = NULL;
+
+  xy_run_iter ("gem sources -l", 0, pl_ruby_remove_gem_source);
+
+  cmd = xy_2strjoin ("gem source -a ", source.url);
+  chsrc_run (cmd, RunOpt_Default);
+
+
+  chsrc_ensure_program ("bundle");
+
+  char *where = " --global ";
+  if (chsrc_in_local_mode())
+    {
+      where = " --local ";
+    }
+
+  cmd = xy_strjoin (4, "bundle config", where, "'mirror.https://rubygems.org' ", source.url);
+  chsrc_run (cmd, RunOpt_No_Last_New_Line);
+
+  chsrc_determine_chgtype (ChgType_Auto);
+  chsrc_conclude (&source);
+}
+
+void
+pl_ruby_resetsrc (char *option)
+{
+  pl_ruby_setsrc (option);
+}
+
+
+Feature_t
+pl_ruby_feat (char *option)
+{
+  Feature_t f = {0};
+
+  f.can_get = true;
+  f.can_reset = true;
+
+  f.cap_locally = PartiallyCan;
+  f.cap_locally_explain = "Support `bundler`. No support for `gem`";
+  f.can_english = true;
+  f.can_user_define = true;
+
+  f.note = NULL;
+  return f;
+}
+
+
+def_target_gsrf(pl_ruby);