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First draft of line blame counter script.

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Bradley M. Kuhn 2011-08-23 10:23:23 -04:00
parent 1208e8b7da
commit 73f1df4e47
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blame-counter.plx Executable file
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#!/usr/bin/perl -w
# blame-counter.plx -*- Perl -*-
#
# Copyright (C) 2011 Bradley M. Kuhn <bkuhn@ebb.org>
#
# This software's license gives you freedom; you can copy, convey,
# propogate, redistribute and/or modify this program under the terms of
# the GNU General Public License (GPL) as published by the Free
# Software Foundation (FSF), either version 3 of the License, or (at your
# option) any later version of the GPL published by the FSF.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program in a file in the toplevel directory called
# "GPLv3". If not, see <http://www.gnu.org/licenses/>.
#
use strict;
use warnings;
######################################################################
if (@ARGV != 3) {
print "usage: $0 <DATA_FILE> ",
"<ALL_COMMITS_IN_PERIOD_OF_INTEREST> <CONFIRMED_COMMITS>\n";
exit 1;
}
# Note: $DATA_FILE is in the format as output from:
# for i in `find -type f -print | egrep -v '^./.git'`; do
# echo "FILE: $i" >> ../DATA_FILE; git blame -M -M -M -C -C -C -w -f -n -l $i >> ../DATA_FILE
# done
my($DATA_FILE, $COMMITS_IN_RANGE_FILE, $CONFIRMED_COMMITS_FILE) = @ARGV;
sub ReadCommitsFile ($) {
my($file) = @_;
open(COMMITS_FILE, "<", $file) or die "unable to pen $file for reading: $!";
my %commits;
while (my $line = <COMMITS_FILE>) {
chomp $line;
die "strange commit ID, $line, found in $file" unless $line =~ /^[a-f0-9]+$/;
$commits{$line} = $file;
}
close COMMITS_FILE;
return \%commits;
}
my $commitsInRange = ReadCommitsFile($COMMITS_IN_RANGE_FILE);
my $confirmedCommits = ReadCommitsFile($CONFIRMED_COMMITS_FILE);
open(DATA_FILE, "<", $DATA_FILE) or die "unable to open $DATA_FILE for reading: $!";
my %data;
my $currentFile;
while (my $dataLine = <DATA_FILE>) {
if ($dataLine =~ /^\s*FILE\s*:\s*(.*?)\s*$/) {
$currentFile = $1;
$data{$currentFile} = { commitsInRange => 0, confirmedCommits => 0 };
} else {
die "invalid line: $dataLine in blame output" unless ($dataLine =~
/^\s*(\S+)\s+\S+\s+\d+\s+\((.+)\s+(\d{4,4}\-\d{2,2}\-\d{2,2}\s+\d{2,2}:\d{2,2}:\d{2,2})\s+([\+\-\d]+)\s+(\d+)\s*\)\s+(.*)$/);
my($commitID, $name, $date, $tz, $curLineNumber, $actualCurrentLine) = ($1, $2, $3, $4, $5, $6);
if (defined $commitsInRange->{$commitID}) {
$data{$currentFile}{commitsInRange}++;
if (defined $confirmedCommits->{$commitID}) {
$data{$currentFile}{confirmedCommits}++;
}
}
}
}
close DATA_FILE;
foreach my $file (sort keys %data) {
next if $data{$file}{commitsInRange} == 0 or $data{$file}{confirmedCommits} == 0;
print sprintf("%s has %d lines from commits in range and %d of those lines are on confirmed list\n",
$file, $data{$file}{commitsInRange}, $data{$file}{confirmedCommits});
}
#
# Local variables:
# compile-command: "perl -c blame-counter.plx"
# End: