util/release: add gerrit stats script
This tool downloads, caches and analyzes commits pushed to gerrit for a specified range of commits. Currently it only works over SSH. Data that is printed about the range of commits: CSV Data about each individual commit: - Commit ID - Commit Date - Author - Commiter - Submitter - Lines added - Lines removed - Title - Reviewers It then prints the analysis it did on the data: - Total Commits - Total lines added - Total lines removed - Total difference - Authors - Number of commits - Total Authors - Authors - Lines added - Authors - Lines removed - Reviewers - Number of patches reviewed - Submitters - Number of patches submitted The script relies on a number of perl modules which must be installed separately. Change-Id: I74896a97b5fe370c0b08562ac85d29435e438a31 Signed-off-by: Martin Roth <martinroth@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/14225 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Tested-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Martin Roth
Stefan Reinauer
parent
f5fa96f9c3
commit
ce005dac68
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@ -0,0 +1,470 @@
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#!/usr/bin/perl
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#
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# This file is part of the coreboot project.
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#
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# Copyright (C) 2015 Google, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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package gerrit_stats;
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# To install any needed modules install the cpanm app, and use it to install the required modules:
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# sudo cpan App::cpanminus
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# sudo /usr/local/bin/cpanm JSON::Util Net::OpenSSH DateTime Devel::Size
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use strict;
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use warnings;
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use English qw( -no_match_vars );
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use File::Find;
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use File::Path;
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use Getopt::Long;
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use Getopt::Std;
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use JSON::Util;
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use Net::OpenSSH;
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use Data::Dumper qw(Dumper);
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use DateTime;
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use Devel::Size qw(size total_size);
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my $old_version;
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my $new_version;
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my $infodir="$ENV{'HOME'}/.commit_info/" . `git config -l | grep remote.origin.url | sed 's|.*@||' | sed 's|:.*||'`;
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chomp($infodir);
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my $URL_WITH_USER;
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my $SKIP_GERRIT_CHECK;
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my $print_commit_list = 1;
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#disable print buffering
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$OUTPUT_AUTOFLUSH = 1;
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binmode STDOUT, ":utf8";
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Main();
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#-------------------------------------------------------------------------------
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# Main
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#-------------------------------------------------------------------------------
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sub Main {
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check_arguments();
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my %submitters = ();
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my %authors = ();
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my %owners = ();
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my %reviewers = ();
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my %author_added = ();
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my %author_removed = ();
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my $total_added = 0;
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my $total_removed = 0;
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my $number_of_commits = 0;
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my $number_of_submitters = 0;
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my $submit_epoch = "";
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my $first_submit_epoch = "";
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if (!$URL_WITH_USER) {
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get_user()
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}
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# make sure the versions exist
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check_versions();
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#fetch patches if needed. Get ids of first and last commits
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my @commits = `git log --pretty=%h "$old_version..$new_version" 2>/dev/null`;
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get_commits(@commits);
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my $last_commit_id = $commits[0];
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my $first_commit_id = $commits[@commits - 1];
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chomp $last_commit_id;
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chomp $first_commit_id;
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print "Statistics from commit $first_commit_id to commit $last_commit_id\n";
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print "Patch, Date, Owner, Author, Submitter, Inserted lines, Deleted lines, Subject, Reviewers\n";
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#loop through all commits
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for my $commit_id (@commits) {
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$commit_id =~ s/^\s+|\s+$//g;
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my $submitter = "";
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my %patch_reviewers = ();
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my $info;
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my $owner;
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my $author;
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my $author_email;
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my $inserted_lines = 0;
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my $deleted_lines = 0;
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my $subject;
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$number_of_commits++;
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print "\"$commit_id\", ";
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#read the data file for the current commit
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if (-f "$infodir/$commit_id" && -s "$infodir/$commit_id" > 20) {
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open( my $HANDLE, "<", "$infodir/$commit_id" ) or die "Error: could not open file '$infodir/$commit_id'\n";
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$info = <$HANDLE>;
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close $HANDLE;
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my $commit_info = JSON::Util->decode($info);
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#get the easy data
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$owner = $commit_info->{'owner'}{'name'};
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if (! $owner) {
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$owner = $commit_info->{'owner'}{'username'};
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}
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if (! $owner) {
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$owner = "";
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}
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$author = $commit_info->{'currentPatchSet'}{'author'}{'name'};
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$author_email = $commit_info->{'currentPatchSet'}{'author'}{'email'};
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if (! $author) {
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$author = $commit_info->{'currentPatchSet'}{'author'}{'username'};
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}
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$inserted_lines = $commit_info->{'currentPatchSet'}{'sizeInsertions'};
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$deleted_lines = $commit_info->{'currentPatchSet'}{'sizeDeletions'};
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$subject = $commit_info->{'subject'};
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#get the patch's submitter
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my $approvals = $commit_info->{'currentPatchSet'}{'approvals'};
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for my $approval (@$approvals) {
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if ($approval->{'type'} eq "SUBM") {
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$submit_epoch = $approval->{'grantedOn'};
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$submitter = $approval->{'by'}{'name'};
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}
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}
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#get all the reviewers for all patch revisions
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my $patchsets = $commit_info->{'patchSets'};
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for my $patch (@$patchsets) {
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if (! $author) {
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$author = $patch->{'author'}{'name'};
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}
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my $approvals = $patch->{'approvals'};
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for my $approval (@$approvals) {
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if ( (! $submitter) && ($approval->{'type'} eq "SUBM")) {
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$submit_epoch = $approval->{'grantedOn'};
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$submitter = $approval->{'by'}{'name'};
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}
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if ($approval->{'type'} eq "Code-Review") {
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my $patch_reviewer = $approval->{'by'}{'name'};
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if ($patch_reviewer) {
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if (exists $patch_reviewers{$patch_reviewer}) {
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$patch_reviewers{$patch_reviewer}++;
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} else {
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$patch_reviewers{$patch_reviewer} = 1;
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}
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}
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}
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}
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}
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} else {
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# get the info from git
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my $logline = `git log --pretty="%ct@@@%s@@@%an@@@%aE@@@%cn" $commit_id^..$commit_id --`;
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$logline =~ m/^(.*)@@@(.*)@@@(.*)@@@(.*)@@@(.*)\n/;
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($submit_epoch, $subject, $author, $author_email, $submitter) = ($1, $2, $3, $4, $5);
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$owner = $author;
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$logline = `git log --pretty= --shortstat $commit_id^..$commit_id --`;
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if ($logline =~ m/\s+(\d+)\s+insertion/) {
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$inserted_lines = $1;
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}
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if ($logline =~ m/\s+(\d+)\s+deletion/) {
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$deleted_lines = $1 * -1;
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}
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my @loglines = `git log $commit_id^..$commit_id -- | grep '\\sReviewed-by:'`;
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for my $line (@loglines){
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if ($line =~ m/.*:\s+(.*)\s</) {
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my $patch_reviewer = $1;
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if ($patch_reviewer) {
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if (exists $patch_reviewers{$patch_reviewer}) {
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$patch_reviewers{$patch_reviewer}++;
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} else {
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$patch_reviewers{$patch_reviewer} = 1;
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}
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}
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}
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}
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}
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# Not entirely certain why this is needed, but for a number of patches have been submitted
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# the submit time in gerrit is set to April 9, 2015.
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if ($submit_epoch == 1428586219){
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my $logline = `git log --pretty="%ct" $commit_id^..$commit_id --`;
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$logline =~ m/^(.*)\n/;
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$submit_epoch = $1;
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}
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#add the count and owner to the submitter hash
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if (exists $submitters{$submitter}) {
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$submitters{$submitter}++;
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} else {
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$submitters{$submitter} = 1;
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$number_of_submitters++;
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}
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#create a readable date
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my $dt = DateTime->from_epoch(epoch => $submit_epoch);
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$dt->set_time_zone( 'Europe/Paris' );
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my $submit_time = $dt->strftime('%Y/%m/%d %H:%M:%S');
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if (!$first_submit_epoch) {
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$first_submit_epoch = $submit_epoch;
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}
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#create the list of reviewers to print
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my $reviewerlist = "";
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foreach my $reviewer (keys %patch_reviewers) {
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if ($reviewerlist eq "") {
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$reviewerlist = $reviewer;
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} else {
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$reviewerlist .= ", $reviewer";
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}
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if (exists $reviewers{$reviewer}) {
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$reviewers{$reviewer}++;
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} else {
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$reviewers{$reviewer} = 1;
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}
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}
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if (! $reviewerlist) {
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$reviewerlist = "-"
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}
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if ($print_commit_list) {
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print "$submit_time, $owner, $author, $submitter, $inserted_lines, $deleted_lines, \"$subject\", \"$reviewerlist\"\n";
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} else {
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print "$number_of_commits\n";
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}
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$total_added += $inserted_lines;
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$total_removed += $deleted_lines;
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if (exists $owners{$owner}) {
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$owners{$owner}++;
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} else {
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$owners{$owner} = 1;
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}
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if (exists $authors{$author}{"num"}) {
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$authors{$author}{"num"}++;
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$author_added{$author} += $inserted_lines;
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$author_removed{$author} += $deleted_lines;
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$authors{$author}{"earliest_commit"}=$submit_time;
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} else {
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$authors{$author}{"num"} = 1;
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$authors{$author}{"latest_commit"}=$submit_time;
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$authors{$author}{"earliest_commit"}=$submit_time;
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$author_added{$author} = $inserted_lines;
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$author_removed{$author} = $deleted_lines;
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}
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if (! exists $authors{$author}{email} && $author_email) {
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$authors{$author}{email} = "$author_email";
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}
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}
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my $Days = ($first_submit_epoch - $submit_epoch) / 86400;
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if (($first_submit_epoch - $submit_epoch) % 86400) {
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$Days += 1;
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}
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print "- Total Commits: $number_of_commits\n";
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printf "- Average Commits per day: %.2f\n", $number_of_commits / $Days;
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print "- Total lines added: $total_added\n";
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print "- Total lines removed: $total_removed\n";
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print "- Total difference: " . ($total_added + $total_removed) . "\n\n";
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print "=== Authors - Number of commits ===\n";
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my $number_of_authors = 0;
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foreach my $author (sort { $authors{$b}{num} <=> $authors{$a}{num} } (keys %authors) ) {
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if (! exists $authors{$author}{"email"}) {
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$authors{$author}{"email"} = "-";
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}
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printf "%-25s %5d %-40s (%2.2f%%) {%s / %s}\n",$author, $authors{$author}{"num"}, $authors{$author}{"email"}, $authors{$author}{"num"} / $number_of_commits * 100, $authors{$author}{"latest_commit"}, $authors{$author}{"earliest_commit"};
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$number_of_authors++;
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}
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print "Total Authors: $number_of_authors\n\n";
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print "=== Authors - Lines added ===\n";
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foreach my $author (sort { $author_added{$b} <=> $author_added{$a} } (keys %author_added) ) {
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if ($author_added{$author}) {
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printf "%-25s %5d (%2.3f%%)\n",$author, $author_added{$author}, $author_added{$author} / $total_added * 100;
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}
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}
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print "\n";
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print "=== Authors - Lines removed ===\n";
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foreach my $author (sort { $author_removed{$a} <=> $author_removed{$b} } (keys %author_removed) ) {
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if ($author_removed{$author}) {
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printf "%-25s %5d (%2.3f%%)\n",$author,$author_removed{$author} * -1, $author_removed{$author} / $total_removed * 100;
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}
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}
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print "\n";
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print "=== Reviewers - Number of patches reviewed ===\n";
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my $number_of_reviewers = 0;
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foreach my $reviewer (sort { $reviewers{$b} <=> $reviewers{$a} } (keys %reviewers) ) {
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printf "%-25s %5d (%2.3f%%)\n",$reviewer, $reviewers{$reviewer}, $reviewers{$reviewer} / $number_of_commits * 100;
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$number_of_reviewers++;
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}
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print "Total Reviewers: $number_of_reviewers\n\n";
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print "=== Submitters - Number of patches submitted ===\n";
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foreach my $submitter (sort { $submitters{$b} <=> $submitters{$a} } (keys %submitters) ) {
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printf "%-25s %5d (%2.3f%%)\n",$submitter, $submitters{$submitter}, $submitters{$submitter} / $number_of_commits * 100;
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}
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print "Total Submitters: $number_of_submitters\n\n";
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print "Commits, Ave, Added, Removed, Diff, Authors, Reviewers, Submitters\n";
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printf "$number_of_commits, %.2f, $total_added, $total_removed, " . ($total_added + $total_removed) . ", $number_of_authors, $number_of_reviewers, $number_of_submitters\n", $number_of_commits / $Days;
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}
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#-------------------------------------------------------------------------------
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#-------------------------------------------------------------------------------
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sub check_versions {
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`git cat-file -e $old_version^{commit} 2>/dev/null`;
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if (${^CHILD_ERROR_NATIVE}){
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print "Error: Old version ($old_version) does not exist.\n";
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exit 1;
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}
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`git cat-file -e $new_version^{commit} 2>/dev/null`;
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if (${^CHILD_ERROR_NATIVE}){
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print "Error: New version ($new_version) does not exist.\n";
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exit 1;
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}
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}
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#-------------------------------------------------------------------------------
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#-------------------------------------------------------------------------------
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sub get_user {
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my $url=`git config -l | grep remote.origin.url`;
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if ($url =~ /.*url=ssh:\/\/(\w+@[a-zA-Z][a-zA-Z0-9\.]+:\d+)/)
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{
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$URL_WITH_USER = $1;
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||||||
|
} else {
|
||||||
|
print "Error: Could not get a ssh url with a username from gitconfig.\n";
|
||||||
|
print " use the -u option to set a url.\n";
|
||||||
|
exit 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#-------------------------------------------------------------------------------
|
||||||
|
#-------------------------------------------------------------------------------
|
||||||
|
sub get_commits {
|
||||||
|
my @commits = @_;
|
||||||
|
my $submit_time = "";
|
||||||
|
if (defined $SKIP_GERRIT_CHECK) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
my $ssh = Net::OpenSSH->new("$URL_WITH_USER", );
|
||||||
|
$ssh->error and die "Couldn't establish SSH connection to $URL_WITH_USER:". $ssh->error;
|
||||||
|
|
||||||
|
print "Using URL: ssh://$URL_WITH_USER\n";
|
||||||
|
|
||||||
|
if (! -d $infodir) {
|
||||||
|
mkpath($infodir)
|
||||||
|
}
|
||||||
|
|
||||||
|
for my $commit_id (@commits) {
|
||||||
|
$commit_id =~ s/^\s+|\s+$//g;
|
||||||
|
$submit_time = "";
|
||||||
|
my $gerrit_review;
|
||||||
|
|
||||||
|
# Quit if we've reeached the last coreboot commit supporting these queries
|
||||||
|
if ($commit_id =~ /^7309709/) {
|
||||||
|
last;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (-f "$infodir/$commit_id") {
|
||||||
|
$gerrit_review = 1;
|
||||||
|
} else {
|
||||||
|
$gerrit_review = `git log $commit_id^..$commit_id | grep '\\sReviewed-on:\\s'`;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ($gerrit_review && $commit_id && (! -f "$infodir/$commit_id") ) {
|
||||||
|
print "Downloading $commit_id";
|
||||||
|
my @info = $ssh->capture("gerrit query --format=JSON --comments --files --current-patch-set --all-approvals --submit-records --dependencies commit:$commit_id");
|
||||||
|
$ssh->error and die "remote ls command failed: " . $ssh->error;
|
||||||
|
|
||||||
|
my $commit_info = JSON::Util->decode($info[0]);
|
||||||
|
my $rowcount = $commit_info->{'rowCount'};
|
||||||
|
if (defined $rowcount && ($rowcount eq "0")) {
|
||||||
|
print " - no gerrit commit for that id.\n";
|
||||||
|
open( my $HANDLE, ">", "$infodir/$commit_id" ) or die "Error: could not open file '$infodir/$commit_id'\n";
|
||||||
|
print $HANDLE "No gerrit commit";
|
||||||
|
close $HANDLE;
|
||||||
|
next;
|
||||||
|
}
|
||||||
|
my $approvals = $commit_info->{'currentPatchSet'}{'approvals'};
|
||||||
|
|
||||||
|
for my $approval (@$approvals) {
|
||||||
|
if ($approval->{'type'} eq "SUBM") {
|
||||||
|
$submit_time = $approval->{'grantedOn'}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
my $dt="";
|
||||||
|
if ($submit_time) {
|
||||||
|
$dt = DateTime->from_epoch(epoch => $submit_time);
|
||||||
|
} else {
|
||||||
|
print " - no submit time for that id.\n";
|
||||||
|
open( my $HANDLE, ">", "$infodir/$commit_id" ) or die "Error: could not open file '$infodir/$commit_id'\n";
|
||||||
|
print $HANDLE "No submit time";
|
||||||
|
close $HANDLE;
|
||||||
|
|
||||||
|
next;
|
||||||
|
}
|
||||||
|
|
||||||
|
open( my $HANDLE, ">", "$infodir/$commit_id" ) or die "Error: could not open file '$infodir/$commit_id'\n";
|
||||||
|
print $HANDLE $info[0];
|
||||||
|
close $HANDLE;
|
||||||
|
|
||||||
|
$dt->set_time_zone( 'Europe/Paris' );
|
||||||
|
print " - submit time: " . $dt->strftime('%Y/%m/%d %H:%M:%S') . "\n";
|
||||||
|
} elsif ($commit_id && (! -f "$infodir/$commit_id")) {
|
||||||
|
print "No gerrit commit for $commit_id\n";
|
||||||
|
open( my $HANDLE, ">", "$infodir/$commit_id" ) or die "Error: could not open file '$infodir/$commit_id'\n";
|
||||||
|
print $HANDLE "No gerrit commit";
|
||||||
|
close $HANDLE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
print "\n";
|
||||||
|
}
|
||||||
|
|
||||||
|
#-------------------------------------------------------------------------------
|
||||||
|
# check_arguments parse the command line arguments
|
||||||
|
#-------------------------------------------------------------------------------
|
||||||
|
sub check_arguments {
|
||||||
|
my $show_usage = 0;
|
||||||
|
GetOptions(
|
||||||
|
'help|?' => sub { usage() },
|
||||||
|
'url|u=s' => \$URL_WITH_USER,
|
||||||
|
'skip|s' => \$SKIP_GERRIT_CHECK,
|
||||||
|
);
|
||||||
|
# strip ssh:// from url if passed in.
|
||||||
|
if (defined $URL_WITH_USER) {
|
||||||
|
$URL_WITH_USER =~ s|ssh://||;
|
||||||
|
}
|
||||||
|
if (@ARGV) {
|
||||||
|
($old_version, $new_version) = @ARGV;
|
||||||
|
} else {
|
||||||
|
usage();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#-------------------------------------------------------------------------------
|
||||||
|
# usage - Print the arguments for the user
|
||||||
|
#-------------------------------------------------------------------------------
|
||||||
|
sub usage {
|
||||||
|
print "gerrit_stats <options> [Old version] [New version]\n";
|
||||||
|
print "Old version should be a tag (4.1), a branch (origin/4.1), or a commit id\n";
|
||||||
|
print "New version can be 'HEAD' a branch (origin/master) a tag (4.2), or a commit id\n";
|
||||||
|
print " Options:\n";
|
||||||
|
print " u | url [url] url with username.\n";
|
||||||
|
print "Example: \"$0 -u Gaumless\@review.coreboot.org:29418 origin/4.1 4.2\"\n";
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
1;
|
||||||
Loading…
Reference in New Issue