#
#
# add_file "a.txt"
#  content [da39a3ee5e6b4b0d3255bfef95601890afd80709]
#
============================================================
--- a.txt	da39a3ee5e6b4b0d3255bfef95601890afd80709
+++ a.txt	da39a3ee5e6b4b0d3255bfef95601890afd80709