git branch-使用管道命令合并 [英] git branch --merged using plumbing commands

问题描述

有没有办法实现相当于 git branch --merged 使用git plumbing命令?

Is there a way to achieve the equivalent of git branch --merged using git plumbing commands?

我知道有像git for-each-ref这样的命令，可以为您提供提交哈希值及其对应的引用名称.是否有命令告诉一个提交是否可以从另一个提交到达(基本上是--merged所做的事情)?

I know there are commands like git for-each-ref which gives you the commit hashes and their corresponding ref names. Is there a command to tell whether a commit is reachable from another commit (which is basically what --merged do)?

推荐答案

git merge-base --independent X Y Z会告诉您其中哪些尚未合并到另一个分支.

git merge-base --independent X Y Z will tell you which of those are not yet merged to another branch.

此外，git merge-base --is-ancestor X Y会告诉您X是否是Y的祖先，但这是实现git branch --merged的效率低下的方法，因为您需要为N个分支运行N ^ 2次.

In addition, git merge-base --is-ancestor X Y will tell you whether X is an ancestor of Y, but that's an inefficient way to implement git branch --merged because you'll need to run it N^2 times for N branches.

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