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|
#!/usr/bin/perl -w
use strict;
use Text::Wrap;
my $kernel_auth = "Upstream Kernel Changes";
my (%map, @reverts);
my $pstate = 1;
my $no_kern_log = 0;
my $print_shas = 0;
my $first_print = 1;
while (@ARGV) {
my $opt = $ARGV[0];
shift;
if ($opt eq "--no-kern-log") {
$no_kern_log = 1;
} elsif ($opt eq "--print-shas") {
$print_shas = 1;
} else {
print STDERR "Unknown options: $opt\n";
exit(1);
}
}
sub check_reverts($) {
my ($entry) = @_;
my ($check);
foreach $check (reverse @reverts) {
my $desc = "Revert \"" . $entry->{'desc'} . "\"";
if ($check->{'desc'} eq $desc) {
@reverts = grep($_->{'desc'} ne $desc, @reverts);
return 1;
}
}
return 0;
}
sub add_entry($) {
my ($entry) = @_;
my $key = $entry->{'author'};
# store description in array, in email->{desc list} map
if (exists $map{$key}) {
# grab ref
my $obj = $map{$key};
# add desc to array
push(@$obj, $entry);
} else {
# create new array, containing 1 item
my @arr = ($entry);
# store ref to array
$map{$key} = \@arr;
}
}
sub shortlog_entry($$$$$) {
my ($name, $desc, $bug, $cve, $commit) = @_;
my $entry;
$desc =~ s#/pub/scm/linux/kernel/git/#/.../#g;
$desc =~ s#\[PATCH\] ##g;
$desc =~ s#^\s*##g;
$desc =~ s# *UBUNTU: ##g;
$entry->{'desc'} = $desc;
if ($bug ne '') {
$entry->{'bugno'} = $bug;
}
$entry->{'cve'} = $cve;
$entry->{'commit'} = $commit;
$entry->{'author'} = $name;
if ($desc =~ /^Revert "/) {
push(@reverts, $entry);
return;
}
return if check_reverts($entry);
add_entry($entry);
}
# sort comparison function
sub by_name($$) {
my ($a, $b) = @_;
uc($a) cmp uc($b);
}
sub shortlog_output {
my ($obj, $key, $entry);
foreach $key (sort by_name keys %map) {
next if $key eq $kernel_auth and $no_kern_log;
print "\n" unless $first_print;
$first_print = 0;
# output author
printf " [ %s ]\n\n", $key;
# output author's 1-line summaries
$obj = $map{$key};
foreach $entry (reverse @$obj) {
print wrap(" * ", " ", $entry->{'desc'}) . "\n";
# For non upstream changes, add other info.
if ($key ne $kernel_auth) {
if ($print_shas) {
print " - GIT-SHA " . $entry->{'commit'} .
"\n";
}
}
if (defined($entry->{'bugno'})) {
print " - LP: #" . $entry->{'bugno'} . "\n";
}
if (defined($entry->{'cve'})) {
print " - " . $entry->{'cve'} . "\n";
}
}
}
}
sub changelog_input {
my ($author, $desc, $commit, $entry, $cve);
while (<STDIN>) {
# get commit
if ($pstate == 1) {
next unless /^commit (.*)/;
$commit = $1;
$pstate++;
}
# get author and email
elsif ($pstate == 2) {
my ($email);
next unless /^[Aa]uthor:?\s*(.*?)\s*<(.*)>/;
$author = $1;
$email = $2;
$desc = undef;
$cve = undef;
# cset author fixups
if (!$author) {
$author = $email;
}
$pstate++;
}
# skip to blank line
elsif ($pstate == 3) {
next unless /^\s*$/;
$pstate++;
}
# skip to non-blank line
elsif ($pstate == 4) {
next unless /^\s*?(.*)/;
my $ignore = 0;
my $do_ignore = 0;
my $bug = undef;
my %bugz = ();
my $k;
# skip lines that are obviously not
# a 1-line cset description
next if /^\s*From: /;
chomp;
$desc = $1;
if ($desc =~ /^ *(Revert "|)UBUNTU:/) {
$do_ignore = 1;
} else {
$do_ignore = 0;
$author = $kernel_auth;
$ignore = 1 if $desc =~ /Merge /;
}
while (<STDIN>) {
$ignore = 1 if ($do_ignore && /^ *Ignore: yes/i);
if (/^ *Bug: *(#|)([0-9#,\s]*)\s*$/i) {
foreach $k (split('(,|\s)\s*(#|)', $2)) {
$bugz{$k} = 1 if (($k ne '') and ($k =~ /[0-9]+/));
}
}
elsif (/^ *BugLink: *http.*:\/\/.*\/([0-9]+)/i) {
$bugz{$1} = 1;
}
elsif (/^ *(CVE-.*)/) {
$cve = $1
}
last if /^commit /;
}
$bug = join(", #", sort keys(%bugz));
if (!$ignore) {
&shortlog_entry($author, $desc, $bug,
$cve, $commit, 0);
}
$pstate = 1;
if ($_ && /^commit (.*)/) {
$commit = $1;
$pstate++;
}
}
else {
die "invalid parse state $pstate";
}
}
foreach $entry (@reverts) {
add_entry($entry);
}
}
&changelog_input;
&shortlog_output;
exit(0);
|
