如何使用通配符路径规范从分支中检出文件? [英] How to checkout files from branch with wildcard path spec?

问题描述

我无法使用通配符检出文件，如 git-scm页面上所述，来自特定的refspec.举例说明问题.

I'm unable to checkout files using wildcards, as described on the git-scm page, from a specific refspec . Describing the issue with an example.

使用Java和C文件创建存储库:

Creating a repository with java and c files:

$ git log --pretty=oneline
d62e124f02e9ec6e2848ccc8db05bb37db167281 All files

$ git ls-tree -r --name-only HEAD .
c/one/first.c
c/two/second.c
java/one/first.java
java/two/second.java

删除Java文件:

$ git log --pretty=oneline
97b2ffbdd79f924ca27d0404c612b93feee7f492 Removed java files
d62e124f02e9ec6e2848ccc8db05bb37db167281 All files

$ git ls-tree -r --name-only HEAD .
c/one/first.c
c/two/second.c

尝试从上一次提交中检出已删除的Java文件:

Trying to checkout the deleted java files, from the previous commit:

$ git checkout d62e124f -- '*.java'
error: pathspec '*.java' did not match any file(s) known to git.

推荐答案

据我所知，当您执行git checkout d62e124f -- '*.java'时，git使用当前工作树来扩展*.java，不 d62e124f.由于您刚刚删除了所有文件，因此没有任何匹配.

As far as I can tell, when you do git checkout d62e124f -- '*.java', git uses the current working tree to expand *.java, not d62e124f. As you have just deleted all the files, it matches nothing.

做

git restore --source d62e124f '*.java'

有效，因为git然后使用正确的ref来扩展通配符.

works, as git then uses the correct ref to expand the wildcard.

git restore仅从2.23.0开始可用，然后才能使用:

git restore is only available since 2.23.0, before that you can use:

git ls-files d62e124f '*.java' | xargs git checkout d62e124f

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