From 351b2a1fe2d06f44b4c06d377744b2ac408b7407 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Wed, 3 Jul 2013 15:05:36 -0700 Subject: [PATCH] checkpatch: cache last camelcase hash as .checkpatch-camelcase. Add a file to cache the CamelCase variables found by to reduce the time it takes to scan the include/ directory. Filename is '.checkpatch-camelcase.' and it is created only only if a .git directory exists. is determined by the last non-merge commit id in the include/ path. Reduces checkpatch run time by ~12 cpu seconds on my little netbook. Signed-off-by: Joe Perches Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 0d94853079ec..6afcd1239ca5 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -399,7 +399,23 @@ sub seed_camelcase_includes { return if ($camelcase_seeded); my $files; + my $camelcase_git_file = ""; + if (-d ".git") { + my $git_last_include_commit = `git log --no-merges --pretty=format:"%h%n" -1 -- include`; + chomp $git_last_include_commit; + $camelcase_git_file = ".checkpatch-camelcase.$git_last_include_commit"; + if (-f $camelcase_git_file) { + open(my $camelcase_file, '<', "$camelcase_git_file") + or warn "$P: Can't read '$camelcase_git_file' $!\n"; + while (<$camelcase_file>) { + chomp; + $camelcase{$_} = 1; + } + close($camelcase_file); + + return; + } $files = `git ls-files include`; } else { $files = `find $root/include -name "*.h"`; @@ -409,6 +425,16 @@ sub seed_camelcase_includes { seed_camelcase_file($file); } $camelcase_seeded = 1; + + if ($camelcase_git_file ne "") { + unlink glob ".checkpatch-camelcase.*"; + open(my $camelcase_file, '>', "$camelcase_git_file") + or warn "$P: Can't write '$camelcase_git_file' $!\n"; + foreach (sort { lc($a) cmp lc($b) } keys(%camelcase)) { + print $camelcase_file ("$_\n"); + } + close($camelcase_file); + } } $chk_signoff = 0 if ($file); -- 2.20.1