in src/main/kotlin/com/jetbrains/interactiveRebase/visuals/multipleBranches/SidePanel.kt [126:136]
fun canSelectBranch(sideBranchPanel: SideBranchPanel): Boolean {
if (sideBranchPanel.isSelected) {
return false
}
for (branch in sideBranchPanels) {
if (branch != sideBranchPanel && branch.isSelected) {
return false
}
}
return true
}