a5b7efc084
* join() should use '', not // * Only use the ''first'' $COPYRIGHT$ and my_search_name instances This commit was SVN r27963.
211 строки
6.6 KiB
Perl
Исполняемый файл
211 строки
6.6 KiB
Perl
Исполняемый файл
#!/usr/bin/env perl
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#
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# Copyright (c) 2010-2013 Cisco Systems, Inc. All rights reserved.
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# $COPYRIGHT$
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#
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# Short version:
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#
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# This script automates the tedious task of updating copyright notices
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# in the tops of OMPI/ORTE/OPAL source files before committing back to
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# the respository. Set the environment variable
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# OMPI_COPYRIGHT_SEARCH_NAME to a short (case-insensitive) name that
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# indicates your copyright line (e.g., "cisco"), and set the env
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# variable OMPI_COPYRIGHT_FORMAL_NAME with your organization's formal
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# name and copyright statement (e.g., "Cisco Systems, Inc. All rights
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# reserved.") before running the script.
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# More details:
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#
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# This is a simple script to traverse the tree looking for added and
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# changed files (via "svn st ." or "hg st .", depending on what meta
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# directory is found in this tree). Note that the search starts in
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# the current directory -- not the top-level directory.
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#
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# All added and changed files are examined. If the special
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# "$COPYRIGHT$" token is found, then lines above that token are
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# examined to find the "search" copyright name.
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#
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# - If the search name is found, that line is examined to see if the
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# current year is in the copyright year range. If it is not, the line
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# is modified to include the current year.
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# - If the search name is not found, a new line is created in the
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# copyright block of the file using the formal name and the current
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# year.
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#
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# NOTE: this script currently doesn't handle multi-line copyright
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# statements, such as:
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#
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# Copyright (c) 2010 University of Blabbityblah and the Trustees of
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# Schblitbittyboo. All rights reserved.
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#
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# Someone could certainly extend this script to do so, if they cared
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# (my organizations' copyright fits on a single line, so I wasn't
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# motivated to handle the multi-line case :-) ).
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#
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use strict;
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use Cwd;
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# Defaults
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my $my_search_name = "Cisco";
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my $my_formal_name = "Cisco Systems, Inc. All rights reserved.";
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# Override the defaults if some values are set in the environment
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$my_search_name = $ENV{OMPI_COPYRIGHT_SEARCH_NAME}
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if (defined($ENV{OMPI_COPYRIGHT_SEARCH_NAME}));
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$my_formal_name = $ENV{OMPI_COPYRIGHT_FORMAL_NAME}
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if (defined($ENV{OMPI_COPYRIGHT_FORMAL_NAME}));
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print "==> Copyright search name: $my_search_name\n";
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print "==> Copyright formal name: $my_formal_name\n";
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# Get the year
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my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime;
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$year += 1900;
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print "==> This year: $year\n";
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# Find the top-level OMPI source tree dir
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my $start = cwd();
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my $top = $start;
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while (! -f "$top/Makefile.man-page-rules") {
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chdir("..");
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$top = cwd();
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die "Can't find top-level Open MPI directory"
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if ($top eq "/");
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}
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chdir($start);
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print "==> Top-level Open MPI dir: $top\n";
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print "==> Current directory: $start\n";
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# Are we hg or svn? If we're both hg and svn, assume svn.
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my $cmd;
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$cmd = "svn st ."
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if (-d "$top/.svn");
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$cmd = "hg st ."
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if (-d "$top/.hg" && ! -d "$top/.svn");
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die "Can't find SVN or HG meta dirs"
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if (!defined($cmd));
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# Run the command, parsing the output. Make a list of files that are
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# added or modified.
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print "==> Running: \"$cmd\"\n";
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open(CMD, "$cmd|") || die "Can't run command";
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my @files;
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while (<CMD>) {
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chomp;
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if ($_ =~ /^M/ || $_ =~ /^A/) {
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my @tokens = split(/\s+/, $_);
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# Handle output of both forms:
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# M filenameA
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# A + filenameB
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my $filename = $tokens[1];
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$filename = $tokens[2]
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if ($tokens[1] =~ /\+/);
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# Don't bother saving directory names
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push(@files, $filename)
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if (-f $filename);
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}
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}
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close(CMD);
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if ($#files < 0) {
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print "No added / changed files -- nothing to do\n";
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exit(0);
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}
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# Examine each of the files and see if they need an updated copyright
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foreach my $f (@files) {
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print "Processing added/changed file: $f\n";
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open(FILE, $f) || die "Can't open file: $f";
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# Read in the file, and look for the "$COPYRIGHT$" token; that's
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# the end of the copyright block that we're allowed to edit. Do
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# not edit any copyright notices that may appear below that.
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my $i = 0;
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my $found_copyright = 0;
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my $found_me = 0;
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my @lines;
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my $my_line_index;
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my $token_line_index;
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while (<FILE>) {
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push(@lines, $_);
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if (!$found_copyright && $_ =~ /\$COPYRIGHT\$/) {
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$token_line_index = $i;
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$found_copyright = 1;
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}
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if (!$found_me &&
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!defined($token_line_index) && $_ =~ /$my_search_name/i) {
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$my_line_index = $i;
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$found_me = 1;
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}
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++$i;
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}
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close(FILE);
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# If there was not copyright token, don't do anything
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if (!defined($token_line_index)) {
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print "==> WARNING: Did not find the \$COPYRIGHT\$ token!\n";
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print " File left unchanged\n";
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next;
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}
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# Figure out the line prefix
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$lines[$token_line_index] =~ m/^(.+)\$COPYRIGHT\$/;
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my $prefix = $1;
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# Now act on it
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if (!defined($my_line_index)) {
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print "--- My copyright line not found; adding:\n";
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my $str = "${prefix}Copyright (c) $year $my_formal_name\n";
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print " $str";
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$lines[$token_line_index] = $str . $lines[$token_line_index];
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} else {
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print "--- Found existing copyright line:\n";
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print " $lines[$my_line_index]";
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$lines[$my_line_index] =~ m/([\d+\-]+)/;
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my $years = $1;
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die "Could not find years in copyright line!"
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if (!defined($years));
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# If it's a range, separate them out
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my $first_year;
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my $last_year;
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if ($years =~ /\-/) {
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$years =~ m/(\d+)\s*-\s*(\d+)/;
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$first_year = $1;
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$last_year = $2;
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} else {
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$first_year = $last_year = $years;
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}
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# Sanity check
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die "Copyright looks like it extends before 1990...?"
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if ($first_year < 1990);
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die "Copyright in the future...?"
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if ($last_year > $year);
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# Do we need to do anything?
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if ($year > $last_year) {
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$lines[$my_line_index] = "${prefix}Copyright (c) $first_year-$year $my_formal_name\n";
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print " Updated to:\n";
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print " $lines[$my_line_index]";
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} else {
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print " This year already included in copyright; not changing file\n";
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next;
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}
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}
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# If we got this far, we want to write out a new file
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my $newf = "$f.new-copyright";
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unlink($newf);
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open(FILE, ">$newf") || die "Can't open file: $newf";
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print FILE join('', @lines);
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close(FILE);
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# Now replace the old one
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unlink($f);
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rename($newf, $f);
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}
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