When files are very similar, git will copy an existing
file to a new location and then apply differences. This
is operation identified in the diff with 'copy from' and
'copy to' lines that need to be ignored.
Cc: Bob Feng <bob.c.feng@intel.com> Cc: Liming Gao <liming.gao@intel.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Bob Feng <bob.c.feng@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>