Avoid dumping sqlite system tables into schema

dialect_sqlite.go

@@ -229,15 +229,16 @@ func (m *sqlite) FizzTranslator() fizz.Translator {
 }
 
 func (m *sqlite) DumpSchema(w io.Writer) error {
-	cmd := exec.Command("sqlite3", m.Details().Database, ".schema")
+	cmd := exec.Command("sqlite3", m.Details().Database, ".schema --nosys")
 	return genericDumpSchema(m.Details(), cmd, w)
 }
 
 func (m *sqlite) LoadSchema(r io.Reader) error {
 	cmd := exec.Command("sqlite3", m.ConnectionDetails.Database)
+	cmd.Stderr = os.Stderr
 	in, err := cmd.StdinPipe()
 	if err != nil {
-		return err
+		return fmt.Errorf("could not open stdin to SQLite database %s: %w", m.ConnectionDetails.Database, err)
 	}
 	go func() {
 		defer in.Close()
@@ -246,12 +247,12 @@ func (m *sqlite) LoadSchema(r io.Reader) error {
 	log(logging.SQL, strings.Join(cmd.Args, " "))
 	err = cmd.Start()
 	if err != nil {
-		return err
+		return fmt.Errorf("could not load schema to SQLite database %s: %w", m.ConnectionDetails.Database, err)
 	}
 
 	err = cmd.Wait()
 	if err != nil {
-		return err
+		return fmt.Errorf("command failure loading schema to SQLite database %s: %w", m.ConnectionDetails.Database, err)
 	}
 
 	log(logging.Info, "loaded schema for %s", m.Details().Database)

dialect_sqlite_test.go

@@ -4,6 +4,7 @@
 package pop
 
 import (
+	"bytes"
 	"fmt"
 	"path/filepath"
 	"testing"
@@ -196,3 +197,22 @@ func TestSqlite_NewDriver(t *testing.T) {
 	_, err := newSQLiteDriver()
 	require.NoError(t, err)
 }
+
+func TestSqlite_NoDumpSysTables(t *testing.T) {
+	r := require.New(t)
+
+	dir := t.TempDir()
+	cd := &ConnectionDetails{Dialect: "sqlite", Database: filepath.Join(dir, "testdb.sqlite")}
+	c, err := NewConnection(cd)
+	r.NoError(err)
+	r.NoError(c.Open())
+
+	r.NoError(c.RawQuery("CREATE TABLE aitest (id integer primary key autoincrement);").Exec())
+
+
+	schema := new(bytes.Buffer)
+	r.NoError(c.Dialect.DumpSchema(schema))
+
+	r.Contains(schema.String(), "CREATE TABLE aitest")
+	r.NotContains(schema.String(), "CREATE TABLE sqlite_sequence")
+}