It won't be gone until you actively prune dangling commits. The commit may not be reachable from the HEADs of existing branches, but go through the reflog and y

It won't be gone until you actively prune dangling commits. The commit may not be reachable from the HEADs of existing branches, but go through the reflog and your commits will be there. You can then create a branch to make the commit reachable.