Why did my Git repo enter a detached HEAD state?

Question

I ended up with a detached head today, the same problem as described in: git push says everything up-to-date even though I have local changes

As far as I know I didn

Answer 1

It can happen if you have a tag named same as a branch.

Example: if "release/0.1" is tag name, then

git checkout release/0.1

produces detached HEAD at "release/0.1". If you expect release/0.1 to be a branch name, then you get confused.