On Tue, Jul 30, 2019 at 3:13 PM Junio C Hamano <gitster@xxxxxxxxx> wrote: > > Dmitry Safonov <dima@xxxxxxxxxx> writes: > > > I was almost certain that git won't let me send the same patch twice, > > Why? And more importantly, does it matter to readers of this > message what you thought? Sounds rude. What matter to readers except author's thoughts? I guess you want to say that the comment should be in more neutral technical form without personal pronouns. > > > but today I've managed to double-send a directory by a mistake: > > git send-email --to linux-kernel@xxxxxxxxxxxxxxx /tmp/timens/ > > --cc 'Dmitry Safonov <0x7f454c46@xxxxxxxxx>' /tmp/timens/` > > > > [I haven't noticed that I put the directory twice ^^] > > > > Prevent this shipwreck from happening again by asking if a patch > > is sent multiple times on purpose. > > > > link: https://lkml.kernel.org/r/4d53ebc7-d5b2-346e-c383-606401d19d3a@xxxxxxxxx > > What does "link:" mean? > > > Cc: Andrei Vagin <avagin@xxxxxxxxxx> > > What's the significance for this project to record that this patch > was CCed to Andrei? > > > Suggested-by: Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx> > > I think "Helped-by:" is a lot more appropriate, viewing the exchange > on v2 from the sideline. > > > Signed-off-by: Dmitry Safonov <dima@xxxxxxxxxx> > > --- > > > diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt > > index d93e5d0f58f0..0441bb1b5d3b 100644 > > --- a/Documentation/git-send-email.txt > > +++ b/Documentation/git-send-email.txt > > @@ -421,6 +421,8 @@ have been specified, in which case default to 'compose'. > > ('auto', 'base64', or 'quoted-printable') is used; > > this is due to SMTP limits as described by > > http://www.ietf.org/rfc/rfc5322.txt. > > + * Ask confirmation before sending patches multiple times > > + if the supplied patches set overlaps. > > -- > > + > > Default is the value of `sendemail.validate`; if this is not set, > > diff --git a/git-send-email.perl b/git-send-email.perl > > index 5f92c89c1c1b..c1638d06f81d 100755 > > --- a/git-send-email.perl > > +++ b/git-send-email.perl > > @@ -688,6 +688,9 @@ sub is_format_patch_arg { > > @files = handle_backup_files(@files); > > > > if ($validate) { > > + my %seen; > > + my @dupes = grep { $seen{$_}++ } @files; > > + > > foreach my $f (@files) { > > unless (-p $f) { > > my $error = validate_patch($f, $target_xfer_encoding); > > @@ -695,6 +698,17 @@ sub is_format_patch_arg { > > $f, $error); > > } > > This is not a fault of your patch at all, but the two hunks are > curious. If "git format-patch" chose to coalesce these two hunks > into one, the second hunk header can be replaced by > > $error and die sprintf(__("fatal: ..."), > > The end result would be that we will spend the same number of lines > and we will see more useful information. > > > } > > + if (@dupes) { > > + printf(__("Patches specified several times: \n")); > > + printf(__("%s \n" x @dupes), @dupes); > > + $_ = ask(__("Do you want to send those patches several times? Y/n "), > > + default => "y", > > + valid_re => qr/^(?:yes|y|no|n)/i); > > + if (/^n/i) { > > + cleanup_compose_files(); > > + exit(0); > > + } > > + } > > Perhaps this should be inserted _before_ the "let's examine each > patchfile and complain" loop. Otherwise, you'd see this warning > only after seeing the same "the file has too long a line" error > on the same patch. > > While you are counting with %seen how many times the contents of > @files appear, perhaps you can also create a list of unique files, > so that you do not have to call validate_patch() more than once > for each of them. It would also allow you to offer another choice > in the above question "do you want to send them more than once?", > which may be much more useful than yes/no: "drop duplicates". If > you did so, you do not need to swap the order of the checks. You > would first count the occurences of each element in @files, then > call validate_patch() on each of them just once, and after you are > done, check if the user wants to send duplicates, abort, or dedup. > > Perhaps like this: > > if ($validate) { > + my (@dupes, %seen, @uniq); > + > foreach my $f (@files) { > + if ($seen{$f}) { > + if ($seen{$f} == 1) { push @dupes, $f; } > + next; > + } > + $seen{$f}++; > + push @uniq, $f; > + } > + foreach my $f (@uniq) { > unless (-p $f) { > my $error = validate_patch(...); > ... the existing loop ... > } > + > + if (@dupes) { > + ... the new code in your patch ... >