linux-kernel - [PATCH] [CHECKPATCH] Check for p0-patches

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Date:	Sat, 20 Sep 2008 23:59:42 +0200
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	linux-kernel@...r.kernel.org
Cc:	apw@...dowen.org
Subject: [PATCH] [CHECKPATCH] Check for p0-patches

Check if the patch is most likely a p0-patch and give a warning if so.

Signed-off-by: Wolfram Sang <w.sang@...gutronix.de>
---
 scripts/checkpatch.pl |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

Index: playground/scripts/checkpatch.pl
===================================================================
--- playground.orig/scripts/checkpatch.pl
+++ playground/scripts/checkpatch.pl
@@ -986,6 +986,7 @@
 	my $in_comment = 0;
 	my $comment_edge = 0;
 	my $first_line = 0;
+	my $p1_prefix = '';
 
 	my $prev_values = 'E';
 
@@ -1123,7 +1124,12 @@
 		# extract the filename as it passes
 		if ($line=~/^\+\+\+\s+(\S+)/) {
 			$realfile = $1;
-			$realfile =~ s@^[^/]*/@@;
+			$realfile =~ s@^([^/]*)/@@;
+
+			$p1_prefix = $1;
+			if ($tree && -e "$root/$p1_prefix") {
+				WARN("Patch prefix '$p1_prefix' exists. Is it maybe a p0-patch?\n");
+			}
 
 			if ($realfile =~ m@...lude/asm/@) {
 				ERROR("do not modify files in include/asm, change architecture specific files in include/asm-<architecture>\n" . "$here$rawline\n");
-- 
  Dipl.-Ing. Wolfram Sang | http://www.pengutronix.de
 Pengutronix - Linux Solutions for Science and Industry

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