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+=========================
+Gentoo Portage 源使用帮助
+=========================
+
+地址
+====
+
+https://mirrors.ustc.edu.cn/gentoo.git
+
+说明
+====
+
+Gentoo Portage Ebuild 源 (Git同步)
+
+收录架构
+========
+
+ALL
+
+使用说明
+========
+
+请确保系统中已安装 ``dev-vcs/git``
+
+修改 :file:`/etc/portage/repos.conf/gentoo.conf`中的：
+
+``sync-type`` 为 ``git``
+
+``sync-uri`` 为 ``https://mirrors.ustc.edu.cn/gentoo.git``
+
+以下是修改后的
+
+::
+
+  [DEFAULT]
+  main-repo = gentoo
+
+  [gentoo]
+  location = /var/db/repos/gentoo
+  sync-type = git
+  sync-uri = https://mirrors.ustc.edu.cn/gentoo.git
+  auto-sync = yes
+  sync-rsync-verify-jobs = 1
+  sync-rsync-verify-metamanifest = yes
+  sync-rsync-verify-max-age = 24
+  sync-openpgp-key-path = /usr/share/openpgp-keys/gentoo-release.asc
+  sync-openpgp-keyserver = hkps://keys.gentoo.org
+  sync-openpgp-key-refresh-retry-count = 40
+  sync-openpgp-key-refresh-retry-overall-timeout = 1200
+  sync-openpgp-key-refresh-retry-delay-exp-base = 2
+  sync-openpgp-key-refresh-retry-delay-max = 60
+  sync-openpgp-key-refresh-retry-delay-mult = 4
+  sync-webrsync-verify-signature = yes
+
+然后：
+
+* 删除本地main tree: ``rm -rf /var/db/repos/gentoo/``
+
+* 重新同步(使用git): ``emerge --sync``
+
+.. note::
+    需要 ``root`` 用户或者 ``sudo`` 才能完成上述操作
+
+相关链接
+========
+
+:官方主页: https://www.gentoo.org/
+:邮件列表: https://www.gentoo.org/main/en/lists.xml
+:论坛: https://forums.gentoo.org/
+:文档: https://www.gentoo.org/doc/en/
+:Wiki: https://wiki.gentoo.org/
+:镜像列表: https://www.gentoo.org/main/en/mirrors-rsync.xml