commands: add a nice terminal progress bar when building the cache

One issue remaining is that writing the cache takes significant time, but I don't know how to reflect that nicely to the user.

1 files changed, 7 insertions, 0 deletions

diff --git a/commands/execenv/env_testing.go b/commands/execenv/env_testing.go
index 34eafc9c..6eb9c69d 100644
--- a/commands/execenv/env_testing.go
+++ b/commands/execenv/env_testing.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
+	"io"
 	"testing"
 
 	"github.com/stretchr/testify/require"
@@ -12,6 +13,8 @@ import (
 	"github.com/MichaelMure/git-bug/repository"
 )
 
+var _ Out = &TestOut{}
+
 type TestOut struct {
 	*bytes.Buffer
 }
@@ -37,6 +40,10 @@ func (te *TestOut) PrintJSON(v interface{}) error {
 	return nil
 }
 
+func (te *TestOut) Raw() io.Writer {
+	return te.Buffer
+}
+
 func NewTestEnv(t *testing.T) *Env {
 	t.Helper()