John Keeping <john@xxxxxxxxxxxxx> writes: > When formatting an empty commit, it is surprising that a totally empty > file is generated. Set the flag to always print the header, matching > the behaviour of git-log. Don't these empty files help send-email as safety against sending them out? Unless existing tools depend on the current behaviour in such a way, I think this is quite a sensible change. > diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh > index f3313b8c58..ffc7c60680 100755 > --- a/t/t4014-format-patch.sh > +++ b/t/t4014-format-patch.sh > @@ -59,6 +59,10 @@ test_expect_success setup ' > test_tick && > git commit -m "patchid 3" && > > + git checkout -b empty main && > + test_tick && > + git commit --allow-empty -m "empty commit" && > + > git checkout main > ' > > @@ -128,6 +132,12 @@ test_expect_success 'replay did not screw up the log message' ' > grep "^Side .* with .* backslash-n" actual > ' > > +test_expect_success 'format-patch empty commit' ' > + git format-patch --stdout main..empty >empty && > + grep "^From " empty >from && > + test_line_count = 1 from > +' > + > test_expect_success 'extra headers' ' > git config format.headers "To: R E Cipient <rcipient@xxxxxxxxxxx> > " &&