diff --git a/goDep.redoGoMod.go b/goDep.redoGoMod.go
index 82d5830..59845af 100644
--- a/goDep.redoGoMod.go
+++ b/goDep.redoGoMod.go
@@ -7,29 +7,46 @@ import (
 	"time"
 )
 
-// checks to see if the go.sum and go.mod files
-// match the repo.pb information
+// checks to see if the go.sum and go.mod files exist
+// also check for a match with the repo.pb GoPrimitive bool
+// todo: check mtime
 func (repo *Repo) ValidGoSum() error {
+	if !repo.Exists("go.mod") {
+		return errors.New("ValidGoSum() go.mod is missing")
+	}
 	if repo.GoPrimitive {
+		if !repo.Exists("go.mod") {
+			return errors.New("GoPrimitive == true, but go.mod is missing")
+		}
 		// repo thinks it is primitive but has a go.sum file
 		if repo.Exists("go.sum") {
 			return errors.New("GoPrimitive == true, but go.sum exists")
 		}
-		mtime, err := repo.mtime("go.mod")
-		if err == nil {
-			return err
-		}
-		if mtime != repo.LastGoDep.AsTime() {
-			return errors.New("go.mod mtime mis-match")
-		}
+		/*
+			// todo: fix this
+				mtime, err := repo.mtime("go.mod")
+				if err == nil {
+					return err
+				}
+				if mtime != repo.LastGoDep.AsTime() {
+					return errors.New("go.mod mtime mis-match")
+				}
+		*/
+		return nil
 	}
-	mtime, err := repo.mtime("go.sum")
-	if err == nil {
-		return err
-	}
-	if mtime != repo.LastGoDep.AsTime() {
-		return errors.New("go.sum mtime mis-match")
+	if !repo.Exists("go.sum") {
+		return errors.New("ValidGoSum() go.sum is missing")
 	}
+	/*
+		mtime, err := repo.mtime("go.sum")
+			// todo: fix this
+			if err == nil {
+				return err
+			}
+			if mtime != repo.LastGoDep.AsTime() {
+				return errors.New("go.sum mtime mis-match")
+			}
+	*/
 	return nil
 }
 
diff --git a/isTracked.go b/isTracked.go
new file mode 100644
index 0000000..2fc8ddf
--- /dev/null
+++ b/isTracked.go
@@ -0,0 +1,63 @@
+package gitpb
+
+import (
+	"fmt"
+)
+
+func (repo *Repo) isTracked(file string) (bool, error) {
+	cmd := []string{"git", "ls-files", "--error-unmatch", file}
+	result := repo.Run(cmd)
+	if result.Error != nil {
+		return false, result.Error
+	}
+	if result.Exit != 0 {
+		return false, nil
+	}
+	return true, nil
+}
+
+func (repo *Repo) isIgnored(file string) (bool, error) {
+	cmd := []string{"git", "check-ignore", "-q", file}
+	result := repo.Run(cmd)
+	if result.Error != nil {
+		return false, result.Error
+	}
+	if result.Exit == 0 {
+		// exit with 0 means the file is ignored
+		return true, nil
+	}
+	// non-zero exit means the file is not ignored
+	return false, nil
+}
+
+func (repo *Repo) RepoIgnoresGoMod() (bool, error) {
+	file := "go.mod"
+	if tracked, err := repo.isTracked(file); err != nil {
+		fmt.Printf("%s Error checking if %s tracked: %v\n", repo.GoPath, file, err)
+		return false, err
+	} else {
+		if tracked {
+			fmt.Printf("%s %s is tracked by Git.\n", repo.GoPath, file)
+			return false, nil
+		}
+	}
+
+	if ignored, err := repo.isIgnored(file); err != nil {
+		if err != nil {
+			fmt.Printf("%s Error checking if ignored: %v\n", repo.GoPath, err)
+			return false, err
+		}
+	} else {
+
+		if ignored {
+			fmt.Printf("%s %s is ignored by Git.\n", repo.GoPath, file)
+			return true, nil
+		}
+	}
+	fmt.Printf("%s %s is neither tracked nor ignored by Git.\n", repo.GoPath, file)
+	// this means, if you make a go.mod file, it'll add it to the repo to be tracked
+	// so you need to either add it to .gitignore (this is what should happen)
+	// or accept you want an auto-generated file to put endless garbage in your git repo
+	// this obviously exposes my opinion on this subject matter
+	return false, nil
+}