Compare commits in reverse order
# Reproduction
* Have a GitLab repository with multiple commits and tags for versions
* Compare 2 commits by 2 tags in reverse order
http://.../.../compare/v7.0.0...v6.0.0
# Expected result
`git diff v7.0.0..v6.0.0` result
# Actual result
Message: `There isn't anything to compare.`
issue