Re: [PATCH 3/2] dir.c: fix dir re-inclusion rules with "NODIR" and "MUSTBEDIR"

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Duy Nguyen <pclouds@xxxxxxxxx> writes:

> On Fri, Mar 18, 2016 at 6:49 AM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
>> Thanks for these 5 patches, two of which need to be discarded ;-).
>> I think you can pick either one of 1/2, pick the one that says
>> "non-NULL" (as opposed to "something") in the log message for 2/2.
>
> Sorry, I did "git send-email ... 00*" and it picked up *.patch~ as
> well. non-NULL is the non-backup version.

Off-topic.  I wonder what people think about doing something like
this patch.

-- >8 --
send-email: detect and offer to skip backup files

Diligent people save output from format-patch to files, proofread
and edit them and then finally send the result out.  If the
resulting files are sent out with "git send-email 0*", this ends up
sending backup files (e.g. 0001-X.patch.backup or 0001-X.patch~)
left by their editors next to the final version.  Sending them with
"git send-email 0*.patch" (if format-patch was run with the standard
suffix) would avoid such an embarrassment, but not everybody is
careful.

After collecting files to be sent (and sorting them if read from a
directory), notice when the file being sent out has the same name as
the previous file, plus some suffix (e.g. 0001-X.patch was sent, and
we are looking at 0001-X.patch.backup or 0001-X.patch~), and the
suffix begins with a non-alnum (e.g. ".backup" or "~") and ask if
the user really wants to send it out.  Once the user skips sending
such a "backup" file, remember the suffix and stop asking the same
question (e.g. after skipping 0001-X.patch~, skip 0002-Y.patch~
without asking).


 git-send-email.perl | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/git-send-email.perl b/git-send-email.perl
index d356901..74ed01a 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -621,6 +621,8 @@ sub is_format_patch_arg {
 	push @files, $repo->command('format-patch', '-o', tempdir(CLEANUP => 1), @rev_list_opts);
 }
 
+@files = handle_backup_files(@files);
+
 if ($validate) {
 	foreach my $f (@files) {
 		unless (-p $f) {
@@ -1726,6 +1728,44 @@ sub validate_patch {
 	return;
 }
 
+sub handle_backup {
+	my ($last, $lastlen, $file, $known_suffix) = @_;
+	my ($suffix, $skip);
+
+	$skip = 0;
+	if (defined $last &&
+	    ($lastlen < length($file)) &&
+	    (substr($file, 0, $lastlen) eq $last) &&
+	    ($suffix = substr($file, $lastlen)) !~ /^[a-z0-9]/i) {
+		if (defined $known_suffix && $suffix eq $known_suffix) {
+			print "Skipping $file with backup suffix '$known_suffix'.\n";
+			$skip = 1;
+		} else {
+			my $answer = ask("Do you really want to send $file? (y|N): ",
+					 valid_re => qr/^(?:y|n)/i,
+					 default => 'y');
+			$skip = ($answer ne 'y');
+			if ($skip) {
+				$known_suffix = $suffix;
+			}
+		}
+	}
+	return ($skip, $known_suffix);
+}
+
+sub handle_backup_files {
+	my @file = @_;
+	my ($last, $lastlen, $known_suffix, $skip, @result);
+	for my $file (@file) {
+		($skip, $known_suffix) = handle_backup($last, $lastlen,
+						       $file, $known_suffix);
+		push @result, $file unless $skip;
+		$last = $file;
+		$lastlen = length($file);
+	}
+	return @result;
+}
+
 sub file_has_nonascii {
 	my $fn = shift;
 	open(my $fh, '<', $fn)
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