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scripts/get_maintainer.pl: add default --git-fallback, remove default --git

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Adding commit signers when there is a listed MAINTAINER for a file
can make the output list longer than necessary.

Change the --git default from on to off.

Add a new --git-fallback option (default on) used to add commit signers
only when there is no MAINTAINER for a file.

git history is used when --git-fallback is enabled and the pattern
directory depth is not the same as the file directory depth.

For instance:

X86 ARCHITECTURE (32-BIT AND 64-BIT)
M:	Thomas Gleixner <tglx@linutronix.de>
M:	Ingo Molnar <mingo@redhat.com>
M:	"H. Peter Anvin" <hpa@zytor.com>
M:	x86@kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git
S:	Maintained
F:	Documentation/x86/
F:	arch/x86/

If using "./scripts/get_maintainer -f arch/x86/lib/atomic64_32.c", the pattern
for "arch/x86/" does not match the directory depth of "arch/x86/lib"
so the MAINTAINERS entries and git history is used to produce:

$ ./scripts/get_maintainer.pl -f --rolestats arch/x86/lib/atomic64_32.c
Thomas Gleixner <tglx@linutronix.de> (maintainer:X86 ARCHITECTURE...)
Ingo Molnar <mingo@redhat.com> (maintainer:X86 ARCHITECTURE...)
"H. Peter Anvin" <hpa@zytor.com> (maintainer:X86 ARCHITECTURE...,commit_signer:1/1=100%)
x86@kernel.org (maintainer:X86 ARCHITECTURE...)
Luca Barbieri <luca@luca-barbieri.com> (commit_signer:1/1=100%)
linux-kernel@vger.kernel.org (open list)

Luca Barbieri is added because he signed the only commit to
arch/x86/lib/atomic64_32.c during the last year and he meets the
other default qualifications.
	--git-min-percent (default:10)
	--git-min-signatures (default:1)

If current users of ./scripts/get_maintainers.pl have scripts
that use --nogit that expect git history to be excluded, those
scripts should be updated to include --nogit-fallback or a
.get_maintainer.conf file should be created with --nogit-fallback.

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>
This commit is contained in:
Joe Perches 2010-10-26 14:22:53 -07:00 committed by Linus Torvalds
parent fab9ed12fc
commit e3e9d11479
1 changed files with 9 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
scripts/get_maintainer.pl
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@ -24,9 +24,10 @@ my $email_maintainer = 1;
my $email_list = 1;
my $email_subscriber_list = 0;
my $email_git_penguin_chiefs = 0;
my $email_git = 1;
my $email_git = 0;
my $email_git_all_signature_types = 0;
my $email_git_blame = 0;
my $email_git_fallback = 1;
my $email_git_min_signatures = 1;
my $email_git_max_maintainers = 5;
my $email_git_min_percent = 5;
@ -138,6 +139,7 @@ if (!GetOptions(
'git!' => \$email_git,
'git-all-signature-types!' => \$email_git_all_signature_types,
'git-blame!' => \$email_git_blame,
'git-fallback!' => \$email_git_fallback,
'git-chief-penguins!' => \$email_git_penguin_chiefs,
'git-min-signatures=i' => \$email_git_min_signatures,
'git-max-maintainers=i' => \$email_git_max_maintainers,
@ -371,6 +373,7 @@ my @status = ();
foreach my $file (@files) {
my %hash;
my $exact_pattern_match = 0;
my $tvi = find_first_section();
while ($tvi < @typevalue) {
my $start = find_starting_index($tvi);
@ -405,6 +408,8 @@ foreach my $file (@files) {
my $value_pd = ($value =~ tr@/@@);
my $file_pd = ($file =~ tr@/@@);
$value_pd++ if (substr($value,-1,1) ne "/");
$value_pd = -1 if ($value =~ /^\.\*/);
$exact_pattern_match = 1 if ($value_pd >= $file_pd);
if ($pattern_depth == 0 ||
(($file_pd - $value_pd) < $pattern_depth)) {
$hash{$tvi} = $value_pd;
@ -439,7 +444,8 @@ foreach my $file (@files) {
}
}
if ($email && $email_git) {
if ($email &&
($email_git || ($email_git_fallback && !$exact_pattern_match))) {
vcs_file_signoffs($file);
}
@ -540,6 +546,7 @@ MAINTAINER field selection options:
--git => include recent git \*-by: signers
--git-all-signature-types => include signers regardless of signature type
or use only ${signaturePattern} signers (default: $email_git_all_signature_types)
--git-fallback => use git when no exact MAINTAINERS pattern (default: $email_git_fallback)
--git-chief-penguins => include ${penguin_chiefs}
--git-min-signatures => number of signatures required (default: $email_git_min_signatures)
--git-max-maintainers => maximum maintainers to add (default: $email_git_max_maintainers)