Preference->Team->Git->Configuration
Repository Settings->Add Entry..
key: branch.${branchName}.merge
value:refs/heads/${branchName}
key: branch.${branchName}.remote
value:origin
Preference->Team->Git->Configuration
Repository Settings->Add Entry..
key: branch.${branchName}.merge
value:refs/heads/${branchName}
key: branch.${branchName}.remote
value:origin