[Xen-devel] [PATCH v2] get_maintainer: Improve patch recognition

[Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>]

From: Joe Perches <joe@xxxxxxxxxxx>

There are mode change and rename only patches that are unrecognized
by the get_maintainer.pl script.

Recognize them.

[ Linux commit 0455c74788fd5aad4399f00e3fbbb7e87450ca58 ]

Reported-by: Heinrich Schuchardt <xypron.glpk@xxxxxx>
CC: Julien Grall <julien.grall@xxxxxxx>
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>
---

 Changes wrt to v1:
 - Updated commit message - add Linux commit id

 scripts/get_maintainer.pl | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index d528da738c..174dfb7e40 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -445,7 +445,18 @@ foreach my $file (@ARGV) {
 
        while (<$patch>) {
            my $patch_line = $_;
-           if (m/^\+\+\+\s+(\S+)/ or m/^---\s+(\S+)/) {
+           if (m/^ mode change [0-7]+ => [0-7]+ (\S+)\s*$/) {
+               my $filename = $1;
+               push(@files, $filename);
+           } elsif (m/^rename (?:from|to) (\S+)\s*$/) {
+               my $filename = $1;
+               push(@files, $filename);
+           } elsif (m/^diff --git a\/(\S+) b\/(\S+)\s*$/) {
+               my $filename1 = $1;
+               my $filename2 = $2;
+               push(@files, $filename1);
+               push(@files, $filename2);
+           } elsif (m/^\+\+\+\s+(\S+)/ or m/^---\s+(\S+)/) {
                my $filename = $1;
                if ($1 ne "/dev/null") { #Ignore the no-file placeholder
                    $filename =~ s@^[^/]*/@@;
-- 
2.21.0

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