echo "\$ git $cmd"
                        git $cmd |
                        sed -e "s/^\\(-*\\)$V\\(-*\\)\$/\\1g-i-t--v-e-r-s-i-o-n\2/" \
-                           -e "s/^\\( *boundary=\"-*\\)$V\\(-*\\)\"\$/\\1g-i-t--v-e-r-s-i-o-n\2\"/"
+                           -e "s/^\\(.*mixed; boundary=\"-*\\)$V\\(-*\\)\"\$/\\1g-i-t--v-e-r-s-i-o-n\2\"/"
                        echo "\$"
                } >"$actual" &&
                if test -f "$expect"
                then
-                       diff -u "$expect" "$actual" &&
+                       git diff "$expect" "$actual" &&
                        rm -f "$actual"
                else
                        # this is to help developing new tests.
 format-patch --attach --stdout initial..side
 format-patch --attach --stdout initial..master^
 format-patch --attach --stdout initial..master
+format-patch --inline --stdout initial..side
+format-patch --inline --stdout initial..master^
+format-patch --inline --stdout initial..master
 
 diff --abbrev initial..side
 diff -r initial..side