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, 9 insertions, 1 deletions

diff --git a/entities/identity/identity.go b/entities/identity/identity.go
index 22ce652c..e654cb2b 100644
--- a/entities/identity/identity.go
+++ b/entities/identity/identity.go
@@ -238,6 +238,9 @@ func readAll(repo repository.ClockedRepo, refPrefix string) <-chan entity.Stream
 			return
 		}
 
+		total := int64(len(refs))
+		current := int64(1)
+
 		for _, ref := range refs {
 			i, err := read(repo, ref)
 
@@ -246,7 +249,12 @@ func readAll(repo repository.ClockedRepo, refPrefix string) <-chan entity.Stream
 				return
 			}
 
-			out <- entity.StreamedEntity[*Identity]{Entity: i}
+			out <- entity.StreamedEntity[*Identity]{
+				Entity:        i,
+				CurrentEntity: current,
+				TotalEntities: total,
+			}
+			current++
 		}
 	}()