Move types/enums/enums.go to working_tree_state.go

It looks like enums.go was supposed to be file that collects a bunch of enums,
but actually there's only one in there, and since it has methods, it deserves to
be in a file of its own, named after the type.

pkg/commands/models/working_tree_state.go

@@ -0,0 +1,63 @@
+package models
+
+import "github.com/jesseduffield/lazygit/pkg/i18n"
+
+type WorkingTreeState int
+
+const (
+	// this means we're neither rebasing nor merging
+	WORKING_TREE_STATE_NONE WorkingTreeState = iota
+	WORKING_TREE_STATE_REBASING
+	WORKING_TREE_STATE_MERGING
+)
+
+func (self WorkingTreeState) IsMerging() bool {
+	return self == WORKING_TREE_STATE_MERGING
+}
+
+func (self WorkingTreeState) IsRebasing() bool {
+	return self == WORKING_TREE_STATE_REBASING
+}
+
+func (self WorkingTreeState) Title(tr *i18n.TranslationSet) string {
+	switch self {
+	case WORKING_TREE_STATE_REBASING:
+		return tr.RebasingStatus
+	case WORKING_TREE_STATE_MERGING:
+		return tr.MergingStatus
+	default:
+		// should never actually display this
+		return "none"
+	}
+}
+
+func (self WorkingTreeState) LowerCaseTitle(tr *i18n.TranslationSet) string {
+	switch self {
+	case WORKING_TREE_STATE_REBASING:
+		return tr.LowercaseRebasingStatus
+	case WORKING_TREE_STATE_MERGING:
+		return tr.LowercaseMergingStatus
+	default:
+		// should never actually display this
+		return "none"
+	}
+}
+
+func (self WorkingTreeState) OptionsMenuTitle(tr *i18n.TranslationSet) string {
+	if self == WORKING_TREE_STATE_MERGING {
+		return tr.MergeOptionsTitle
+	}
+	return tr.RebaseOptionsTitle
+}
+
+func (self WorkingTreeState) CommandName() string {
+	switch self {
+	case WORKING_TREE_STATE_MERGING:
+		return "merge"
+	case WORKING_TREE_STATE_REBASING:
+		return "rebase"
+	default:
+		// shouldn't be possible to land here
+		return ""
+	}
+}