From 0aa1d0f09c309f83b32c1f18d0428b3b7b91ba60 Mon Sep 17 00:00:00 2001
From: Kelly Heller <kkheller@cedrus.com>
Date: Wed, 27 May 2015 14:51:43 -0700
Subject: [PATCH 1/2] Allow `add -p` and `add -i` with a large number of files

This fixes https://github.com/msysgit/git/issues/182.

Inspired by Pull Request 218 using code from @PhilipDavis.

[jes: simplified code quite a bit]

Signed-off-by: Kelly Heller <kkheller@cedrus.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
 git-add--interactive.perl | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/git-add--interactive.perl b/git-add--interactive.perl
index 709a5f6ce6..e35e675af4 100755
--- a/git-add--interactive.perl
+++ b/git-add--interactive.perl
@@ -161,6 +161,24 @@ sub run_cmd_pipe {
 		die "$^O does not support: @invalid\n" if @invalid;
 		my @args = map { m/ /o ? "\"$_\"": $_ } @_;
 		return qx{@args};
+	} elsif (($^O eq 'MSWin32' || $^O eq 'msys') && (scalar @_ > 200) &&
+			grep $_ eq '--', @_) {
+		use File::Temp qw(tempfile);
+		my ($fhargs, $filename) =
+			tempfile('git-args-XXXXXX', UNLINK => 1);
+
+		my $cmd = 'cat '.$filename.' | xargs -0 -s 20000 ';
+		while ($_[0] ne '--') {
+			$cmd = $cmd . shift(@_) . ' ';
+		}
+
+		shift(@_);
+		print $fhargs join("\0", @_);
+		close($fhargs);
+
+		my $fh = undef;
+		open($fh, '-|', $cmd) or die;
+		return <$fh>;
 	} else {
 		my $fh = undef;
 		open($fh, '-|', @_) or die;

From 40d9603fe53d2574faef442d3328097d7960ab51 Mon Sep 17 00:00:00 2001
From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Sat, 12 Sep 2015 12:25:47 +0200
Subject: [PATCH 2/2] t3701: verify that we can add *lots* of files
 interactively

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
 t/t3701-add-interactive.sh | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh
index 2ecb43a616..8c5a10bff4 100755
--- a/t/t3701-add-interactive.sh
+++ b/t/t3701-add-interactive.sh
@@ -477,4 +477,25 @@ test_expect_success 'add -p does not expand argument lists' '
 	! grep not-changed trace.out
 '
 
+test_expect_success EXPENSIVE 'add -i with a lot of files' '
+	git reset --hard &&
+	x160=0123456789012345678901234567890123456789 &&
+	x160=$x160$x160$x160$x160 &&
+	y= &&
+	i=0 &&
+	while test $i -le 200
+	do
+		name=$(printf "%s%03d" $x160 $i) &&
+		echo $name >$name &&
+		git add -N $name &&
+		y="${y}y$LF" &&
+		i=$(($i+1)) ||
+		break
+	done &&
+	echo "$y" | git add -p -- . &&
+	git diff --cached >staged &&
+	test_line_count = 1407 staged &&
+	git reset --hard
+'
+
 test_done