forked from Mirrors/freeswitch
141 lines
3.3 KiB
Perl
Executable File
141 lines
3.3 KiB
Perl
Executable File
#!/usr/bin/perl
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# Copyright (c) 2007-2014, Anthony Minessale II
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# Neither the name of the original author; nor the names of any contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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# OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Contributors:
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#
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# hashfinder - Find origin of a particular line of code
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#
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my $file = shift;
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my $regex = shift;
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my $delim = " ";
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$file and $regex or die "missing params. Syntax: <file> <regex>";
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sub doit($$) {
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my $rev = shift;
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my $pattern = shift;
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my $loops = shift || 0;
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my $linematch = 0;
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if ($pattern =~ /^\~(.*)/) {
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$pattern = $1;
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} else {
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$pattern = quotemeta $pattern;
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}
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if ($pattern =~ /^(\d+)$/) {
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$linematch = 1;
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}
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open GIT, "git blame -n $file $rev|";
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my $mc = 0;
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my @matches = ();
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while (<GIT>) {
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my $matched = 0;
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if ($linematch) {
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$matched = (/^\S+\s+$pattern\s+/);
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} else {
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$matched = (/$pattern/);
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}
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if ($matched) {
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s/[\r\n]//g;
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push @matches, $_;
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$mc++;
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}
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}
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close(GIT);
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if ($mc > 5) {
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print $delim x $loops;
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print "$mc matches; Maybe more specific?\n";
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foreach (@matches) {
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print "$_\n";
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}
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return;
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}
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my $x = 0;
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foreach (@matches) {
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my ($hash, $lno, $author, $line);
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my $done = 0;
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if (/$file/) {
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($hash, $lno, $author, $line) = /(\S+)\s+\S+\s+(\S+)\s+(\([^\)]+\))\s*(.*)/;
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$done = 1;
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} else {
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($hash, $lno, $author, $line) = /(\S+)\s+(\S+)\s+(\([^\)]+\))\s*(.*)/;
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}
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if ($hash) {
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$line =~ s/^\s+//g;
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print "\n";
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print $delim x $loops;
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my $msg = `git log -1 --pretty=format:%B $hash`;
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print "[$hash] [$lno] [$author] [$line]\n";
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print $delim x $loops;
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print ":: $msg\n";
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doit("$hash" . "^", $line, $loops+1);
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print "\n";
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}
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last if $done;
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}
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}
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doit(undef, $regex);
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# For Emacs:
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# Local Variables:
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# mode:perl
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# indent-tabs-mode:t
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# tab-width:4
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# c-basic-offset:4
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# End:
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# For VIM:
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# vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
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