173 строки
4.7 KiB
Perl
Исполняемый файл
173 строки
4.7 KiB
Perl
Исполняемый файл
#!/usr/bin/perl -w
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use strict;
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use Cwd;
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use File::Basename;
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use Text::Tabs;
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use Getopt::Long;
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# Set to true if the script should merely check for up-to-date copyrights.
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# Will exit with status 111 if there are out of date copyrights which this
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# script can correct.
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my $CHECK_ONLY = 0;
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# used by $CHECK_ONLY logic for bookeeping
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my $would_replace = 0;
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# Set to true to suppress most informational messages. Only out of date files
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# will be printed.
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my $QUIET = 0;
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# Set to true if we just want to see the help message
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my $HELP = 0;
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# Set to true if we want to strip blank lines from all files
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my $ALL = 0;
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GetOptions(
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"help" => \$HELP,
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"quiet" => \$QUIET,
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"check-only" => \$CHECK_ONLY,
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"all" => \$ALL,
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) or die "unable to parse options, stopped";
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if ($HELP) {
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print <<EOT;
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$0 [options]
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--help | -h This help message
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--quiet | -q Only output critical messages to stdout
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--check-only exit(111) if there are modified files with trailing blank lines
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--all Strip trailing blank lines from all fines, even those not modified
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EOT
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exit(0);
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}
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#-------------------------------------------------------------------------------
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# predeclare sub for print-like syntax
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sub quiet_print {
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unless ($QUIET) {
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print @_;
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}
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}
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#-------------------------------------------------------------------------------
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my @exts = qw(.h .c);
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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/HACKING") {
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chdir("..");
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$top = cwd();
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die "Can't find top-level directory"
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if ($top eq "/");
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}
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chdir($start);
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my @files = find_modified_files();
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if ($#files < 0) {
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exit(0);
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}
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my $fh;
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# Examine each of the files and purge any tabs
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foreach my $f (@files) {
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my ($name, $dir, $ext) = fileparse($f, @exts);
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if ($ext !~ /h/ && $ext !~ /c/) {
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next;
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}
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quiet_print "FILE: $f\n";
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my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
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$atime,$mtime,$ctime,$blksize,$blocks)
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= stat($f);
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open(FILE, "$f");
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my @lines_with_tabs = <FILE>;
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close(FILE);
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my @expanded_lines = expand(@lines_with_tabs);
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open(TEMP, ">temp.txt");
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print TEMP @expanded_lines;
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close(TEMP);
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system("mv temp.txt $f");
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chmod($mode, $f);
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}
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# Returns a list of file names (relative to pwd) which the VCS considers to be modified.
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sub find_modified_files {
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my @files = ();
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# Number of path entries to remove from ${top}-relative paths.
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# (--show-cdup either returns the empty string or sequence of "../"
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# entries, always ending in a "/")
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my $n_strip = scalar(split(m!/!, scalar(`git rev-parse --show-cdup`))) - 1;
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# "." restricts scope, but does not get us relative path names
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my $cmd = "git status -z --porcelain --untracked-files=no .";
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my $lines = `$cmd`;
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# From git-status(1):
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# X Y Meaning
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# -------------------------------------------------
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# [MD] not updated
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# M [ MD] updated in index
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# A [ MD] added to index
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# D [ M] deleted from index
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# R [ MD] renamed in index
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# C [ MD] copied in index
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# [MARC] index and work tree matches
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# [ MARC] M work tree changed since index
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# [ MARC] D deleted in work tree
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# -------------------------------------------------
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# D D unmerged, both deleted
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# A U unmerged, added by us
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# U D unmerged, deleted by them
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# U A unmerged, added by them
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# D U unmerged, deleted by us
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# A A unmerged, both added
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# U U unmerged, both modified
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# -------------------------------------------------
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# ? ? untracked
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# -------------------------------------------------
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my $s1 = "";
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my $s2 = "";
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my $fullname = "";
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foreach my $line (split /\x{00}/, $lines) {
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my $keep = 0;
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unless (($s1, $s2, $fullname) = $line =~ m/^(.)(.) (.*)$/) {
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next;
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}
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if ($ALL) {
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$keep = 1;
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} else {
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# ignore all merge cases
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next if ($s1 eq "D" and $s2 eq "D");
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next if ($s1 eq "A" and $s2 eq "A");
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next if ($s1 eq "U" or $s2 eq "U");
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# only update for actually added/modified cases, no copies,
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# renames, etc.
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$keep = 1 if ($s1 eq "M" or $s2 eq "M");
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$keep = 1 if ($s1 eq "A");
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}
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if ($keep) {
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my $relname = $fullname;
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$relname =~ s!^([^/]*/){$n_strip}!!g;
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push @files, $relname
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if (-f $relname);
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}
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}
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return @files;
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}
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exit 0;
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