Try to push the local content to remote server and build a new branch
first commit
Try rm command
Delete test.txt
Delete testing.txt
Delete test.txt twice
Delete test.txt with git rm to and wo can see test.txt has gone
Delete test.txt again to see the difference between rm and git rm
Delete again
new test.txt
delete new test.txt
Delete test.txt 3.0
Delete test.txt 3.0 to avoid changed but updated warning when git status
Try git mv filename_from filename_to
Git rm all objs file
Solve the conflicts in test.txt