get_maintainer.pl: allow "K:" pattern tests to match non-patch text

Extend the usage of the K section in the MAINTAINERS file to support matching regular expressions to any arbitrary text that may precede the patch itself. For example, the commit message or mail headers generated by git-format-patch. Signed-off-by: Joe Perches <[email protected]> Original-patch-by: L. Alberto Giménez <[email protected]> Acked-by: L. Alberto Giménez <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
franciscofranco · Mar 23, 2011 · 7764dcb · 7764dcb
1 parent 5af5bcb
commit 7764dcb
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
@@ -420,6 +420,14 @@ sub read_mailmap {
 
 	open(my $patch, "< $file")
 	    or die "$P: Can't open $file: $!\n";
+
+	# We can check arbitrary information before the patch
+	# like the commit message, mail headers, etc...
+	# This allows us to match arbitrary keywords against any part
+	# of a git format-patch generated file (subject tags, etc...)
+
+	my $patch_prefix = "";			#Parsing the intro
+
 	while (<$patch>) {
 	    my $patch_line = $_;
 	    if (m/^\+\+\+\s+(\S+)/) {
@@ -428,13 +436,14 @@ sub read_mailmap {
 		$filename =~ s@\n@@;
 		$lastfile = $filename;
 		push(@files, $filename);
+		$patch_prefix = "^[+-].*";	#Now parsing the actual patch
 	    } elsif (m/^\@\@ -(\d+),(\d+)/) {
 		if ($email_git_blame) {
 		    push(@range, "$lastfile:$1:$2");
 		}
 	    } elsif ($keywords) {
 		foreach my $line (keys %keyword_hash) {
-		    if ($patch_line =~ m/^[+-].*$keyword_hash{$line}/x) {
+		    if ($patch_line =~ m/${patch_prefix}$keyword_hash{$line}/x) {
 			push(@keyword_tvi, $line);
 		    }
 		}