如何能override built-in package 啊？

Emacs-general
1

如何安裝比如transient from the latest github啊？

2

只要你装的包在 load-path 里比较靠前就会被首先加载，也就相当于 override 了。

  1. 装 melpa 里的 transient（一日一更新）
  2. 可以 M-x package-vc-install
  3. 也可以自己 git clone 然后配置 load-path（use-package 里一行 :load-path 的事）
  4. 也可以换 straight.el, elpaca, el-get 之类的包管理器（相当于自动化程度更高的方法3）
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3

如果不必须 Github 的最新版，只是要相对较新的版本，可以用

package-install-upgrade-built-in is a variable defined in ‘package.el’.

Its value is t
Original value was nil

Non-nil means that built-in packages can be upgraded via a package archive.
If disabled, then ‘package-install’ will raise an error when trying to
replace a built-in package with a (possibly newer) version from a
package archive.

  This variable was introduced, or its default value was changed, in
  version 29.1 of Emacs.
  You can customize this variable.
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