tar: .BUILDINFO: Cannot open: File exists , i know you fix it, but ,i really don't this code add where?

[chen969196657]

################################################################# 100.0%

tar: grep-2.25-1/depends: Not found in archive
tar: Exiting with failure status due to previous errors
tar: grep-2.25-1/depends: Not found in archive
tar: Exiting with failure status due to previous errors
Downloading and installing pacman...

################################################################## 100.0%

tar: .BUILDINFO: Cannot open: File exists
tar: Exiting with failure status due to previous errors