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checkpatch: fix filename detection when using -f 

Fix $realfile filename when using -f/--file to not remove first level
directory as if the filename was used in a -P1 patch.  Only strip the
first level directory (typically a or b) for P1 patches.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(extracted from Linux commit 2b7ab45395dc4d91ef30985f76d90a8f28f58c27)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2018-08-10 16:35:19 +02:00
parent edd7541b8c
commit 1a5c63ce88
1 changed files with 2 additions and 2 deletions
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4
scripts/checkpatch.pl
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@ -1367,10 +1367,10 @@ sub process {
# extract the filename as it passes
if ($line =~ /^diff --git.*?(\S+)$/) {
$realfile = $1;
$realfile =~ s@^([^/]*)/@@;
$realfile =~ s@^([^/]*)/@@ if (!$file);
} elsif ($line =~ /^\+\+\+\s+(\S+)/) {
$realfile = $1;
$realfile =~ s@^([^/]*)/@@;
$realfile =~ s@^([^/]*)/@@ if (!$file);
$p1_prefix = $1;
if (!$file && $tree && $p1_prefix ne '' &&