通过git reflog 找回的commit

0.1. Prepare

[martin@fc17 git_study]$ git log --oneline 
83e7d89 add lineb in readme <== this commit will be reset hardly
4fd6367 add line1 in readme
bfd590e touch readme

[martin@fc17 git_study]$ git reset HEAD^ --hard 
HEAD is now at 4fd6367 add line1 in readme
[martin@fc17 git_study]$ git log --oneline 
4fd6367 add line1 in readme
bfd590e touch readme

[martin@fc17 git_study]$  cat readme 
line a
通过git reflog 我们可以得到误删除的commit对应的ID

0.1.1. git reflog

[martin@fc17 git_study]$ git reflog 
4fd6367 HEAD@{0}: reset: moving to HEAD^
83e7d89 HEAD@{1}: commit: add lineb in readme
4fd6367 HEAD@{2}: commit: add line1 in readme
bfd590e HEAD@{3}: commit (initial): touch readme

有了commit ID, 一切就OK了。想干啥都行了 cherry-pick, checkout …

[martin@fc17 git_study]$ git checkout -b try_recover 83e7d89 
Switched to a new branch ‘try_recover’ 
[martin@fc17 git_study]$ git log —oneline
 83e7d89 add lineb in readme 
 4fd6367 add line1 in readme 
 bfd590e touch readm
[martin@fc17 git_study]$ cat readme 
line a 
line b