Simplify the MergeRebasingCommits call in GetCommits (slightly)

MergeRebasingCommits already merges the rebasing commits into the commits slice
that is passed in, so it doesn't make sense to append the result to commits
again. It isn't a problem, but only because commits is always empty.

Author: stefanhaller

pkg/commands/git_commands/commit_loader.go

@@ -71,15 +71,13 @@ type GetCommitsOptions struct {
 // GetCommits obtains the commits of the current branch
 func (self *CommitLoader) GetCommits(opts GetCommitsOptions) ([]*models.Commit, error) {
 	commits := []*models.Commit{}
-	var rebasingCommits []*models.Commit
 
 	if opts.IncludeRebaseCommits && opts.FilterPath == "" {
 		var err error
-		rebasingCommits, err = self.MergeRebasingCommits(commits)
+		commits, err = self.MergeRebasingCommits(commits)
 		if err != nil {
 			return nil, err
 		}
-		commits = append(commits, rebasingCommits...)
 	}
 
 	wg := sync.WaitGroup{}