Merge pull request moby#4063 from jedevc/reset-dont-modify-input

progress: don't modify ResetTime inputs

Author: tonistiigi

util/progress/progresswriter/reset.go

@@ -27,7 +27,9 @@ func ResetTime(in Writer) Writer {
 					}
 				}
 				if w.diff != nil {
+					vertexes := make([]*client.Vertex, 0, len(st.Vertexes))
 					for _, v := range st.Vertexes {
+						v := *v
 						if v.Started != nil {
 							d := v.Started.Add(-*w.diff)
 							v.Started = &d
@@ -36,8 +38,12 @@ func ResetTime(in Writer) Writer {
 							d := v.Completed.Add(-*w.diff)
 							v.Completed = &d
 						}
+						vertexes = append(vertexes, &v)
 					}
+
+					statuses := make([]*client.VertexStatus, 0, len(st.Statuses))
 					for _, v := range st.Statuses {
+						v := *v
 						if v.Started != nil {
 							d := v.Started.Add(-*w.diff)
 							v.Started = &d
@@ -47,9 +53,21 @@ func ResetTime(in Writer) Writer {
 							v.Completed = &d
 						}
 						v.Timestamp = v.Timestamp.Add(-*w.diff)
+						statuses = append(statuses, &v)
 					}
+
+					logs := make([]*client.VertexLog, 0, len(st.Logs))
 					for _, v := range st.Logs {
+						v := *v
 						v.Timestamp = v.Timestamp.Add(-*w.diff)
+						logs = append(logs, &v)
+					}
+
+					st = &client.SolveStatus{
+						Vertexes: vertexes,
+						Statuses: statuses,
+						Logs:     logs,
+						Warnings: st.Warnings,
 					}
 				}
 				in.Status() <- st