Add user config to change the sort order of tags

docs/Config.md

@@ -44,6 +44,7 @@ gui:
   showRandomTip: true
   showCommandLog: true
   commandLogSize: 8
+  sortTagsDescending: false # sort order for tags
 git:
   paging:
     colorArg: always

pkg/commands/loading_tags.go

@@ -46,11 +46,18 @@ func (c *GitCommand) GetTags() ([]*models.Tag, error) {
 	// now lets sort our tags by name numerically
 	re := regexp.MustCompile(semverRegex)
 
+	sortAsc := !c.Config.GetUserConfig().Gui.SortTagsDescending
 	// the reason  this is complicated is because we're both sorting alphabetically
 	// and when we're dealing with semver strings
 	sort.Slice(tags, func(i, j int) bool {
-		a := tags[i].Name
+		var a, b string
-		b := tags[j].Name
+		if sortAsc {
+			a = tags[i].Name
+			b = tags[j].Name
+		} else {
+			b = tags[i].Name
+			a = tags[j].Name
+		}
 
 		matchA := re.FindStringSubmatch(a)
 		matchB := re.FindStringSubmatch(b)

pkg/config/user_config.go

@@ -39,6 +39,7 @@ type GuiConfig struct {
 	ShowRandomTip            bool               `yaml:"showRandomTip"`
 	ShowCommandLog           bool               `yaml:"showCommandLog"`
 	CommandLogSize           int                `yaml:"commandLogSize"`
+	SortTagsDescending       bool               `yaml:"sortTagsDescending"`
 }
 
 type ThemeConfig struct {
@@ -307,6 +308,7 @@ func GetDefaultConfig() *UserConfig {
 			ShowFileTree:             false,
 			ShowRandomTip:            true,
 			CommandLogSize:           8,
+			SortTagsDescending:       false,
 		},
 		Git: GitConfig{
 			Paging: PagingConfig{