added columns for ahead and behind quantity of commits (#16)

* fix: now repositories ahead or behind are treated as dirty (according the documentation)

* added columns for ahead and behind quantity of commits

Author: snicr

internal/gitstatus/gitstatus.go

@@ -34,7 +34,7 @@ func Status(repoPath string) (model.RepoStatus, error) {
 		applyFileLine(&status, line)
 	}
 
-	status.IsDirty = status.Staged > 0 || status.Unstaged > 0 || status.Untracked > 0
+	status.IsDirty = status.Staged > 0 || status.Unstaged > 0 || status.Untracked > 0 || status.Ahead > 0 || status.Behind > 0
 
 	if t, err := lastCommitTime(repoPath); err == nil {
 		status.LastCommit = t

internal/tui/model.go

@@ -88,6 +88,8 @@ func NewModel(cfg *config.Config) Model {
 		{Title: "Staged", Width: 6},
 		{Title: "Modified", Width: 8},
 		{Title: "Untracked", Width: 9},
+		{Title: "Ahead", Width: 7},
+		{Title: "Behind", Width: 7},
 		{Title: "Last Commit", Width: 14},
 	}
 
@@ -335,6 +337,8 @@ func reposToRows(repos []model.Repo) []table.Row {
 			formatNumber(r.Status.Staged),
 			formatNumber(r.Status.Unstaged),
 			formatNumber(r.Status.Untracked),
+			formatNumber(r.Status.Ahead),
+			formatNumber(r.Status.Behind),
 			lastCommit,
 		})
 	}