git checkout版本，包括子模块

Question

How can I checkout a git repo including its submodules?

eg I have a repo A, with a submodule B, the commit history is as follows:

• f7fe0a4 A, bcbaec2 B (latest)
• 206c8dd A, bcbaec2 B
• 0fd667c A, bcbaec2 B
• 0ec21a1 A, e79fea0 B (older version)

I want to temporarily go back to an older version of A, so I stashed local changes in A and B, then git checkout 0ec21a1

But Im still on the latest version of the submodule. I expected the submodule to updated according to the parent version. My understanding from this question, submodule tag is that git does not manage submodules when you checkout the parent, is this correct?

My real commit history is more complicated and there are several submodules. Is there a way to determine what version of submodule B was used in commit xxx of A? I can get approximate versions by comparing the git logs but it's rather painful...

Answer 1

git checkout 0ec21a1 --recurse-submodules将根据存储在父项目A中的提交更新子模块B的内容（如果已经初始化）（在这种情况下，将检出e79fea0 ）