Add script to remove binary diffs

Once upon a time, the kernel was just a series of patches. These days,
git manages most of the kernel. git can do many useful things, such as
maintain binary files. Binary file changes are not easily expressed in
patches and can't be applied without using git. Remove the binary diffs
from any snapshot or -rc patches. We will eventually pick up the
changes/deletions in the final release tarball.

1 files changed, 32 insertions, 0 deletions

diff --git a/remove-binary-diff.pl b/remove-binary-diff.pl
new file mode 100755
index 000000000..520ac5d73
--- /dev/null
+++ b/remove-binary-diff.pl
@@ -0,0 +1,32 @@
+#!/usr/bin/perl -w
+# A script to remove those terrible binary diffs from the patches which
+# screw up everything and rain on my parade.
+
+use strict;
+
+my @args=@ARGV;
+my @current_patch;
+my $is_binary = 0;
+my $cnt = 0;
+
+while(my $row = <>) {
+	# diff marks the start of a new file to check
+	if ($row =~ /^diff --git.*?(\S+)$/) {
+		if (!$is_binary) {
+			foreach my $line (@current_patch) {
+				print $line;
+			}
+		}
+		$is_binary = 0;
+		@current_patch = ();
+	} elsif ($row =~ /Binary files (.)* differ$/) {
+		$is_binary = 1;
+	}
+	push (@current_patch, $row);
+}
+
+if (!$is_binary) {
+	foreach my $line (@current_patch) {
+		print $line;
+	}
+}