问题
The documentation states that leveraging the --soft option "...Does not touch the index file nor the working tree at all, but requires them to be in a good order. This leaves all your changed files "Changes to be committed", as git status would put it".
It also explains that the target <commit> defaults to HEAD, when not given.
Considering these, does the following command modify anything at all?
$ git reset --soft
回答1:
Considering these, does the following command modify anything at all?
No, it is a no-op.
After thinking about this for a bit: technically it will complain if you are in the middle of a merge with unresolved conflicts however all that this means is that instead of doing nothing, it complains and does nothing.
来源：https://stackoverflow.com/questions/8712555/is-git-reset-soft-a-no-op-command