From Debian unstable: /usr/bin/cvsu.

1 files changed, 514 insertions, 0 deletions

diff --git a/build-aux/cvsu b/build-aux/cvsu
new file mode 100755
index 000000000..03e3d0686
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+++ b/build-aux/cvsu
@@ -0,0 +1,514 @@
+#! /usr/bin/perl -w
+
+# cvsu - do a quick check to see what files are out of date.
+#
+# Copyright (C) 2000-2005  Pavel Roskin <proski@gnu.org>
+# Initially written by Tom Tromey <tromey@cygnus.com>
+# Completely rewritten by Pavel Roskin <proski@gnu.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# 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; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.
+
+
+require 5.004;
+use Getopt::Long;
+use File::Basename;
+use Time::Local;
+use strict;
+
+use vars qw($list_types %messages %options @batch_list $batch_cmd
+	    $no_recurse $explain_type $find_mode $short_print
+	    $no_cvsignore $nolinks $file $single_filename $curr_dir
+	    @common_ignores $ignore_rx %entries %subdirs %removed);
+
+use constant SUBDIR_FOUND => 1;
+use constant SUBDIR_CVS   => 2;
+
+# This list comes from the CVS manual.
+use constant STANDARD_IGNORES =>
+	('RCS', 'SCCS', 'CVS', 'CVS.adm', 'RCSLOG', 'cvslog.*', 'tags',
+	 'TAGS', '.make.state', '.nse_depinfo', '*~', '#*', '.#*', ',*',
+	 "_\$*", "*\$", '*.old', '*.bak', '*.BAK', '*.orig', '*.rej',
+	 '.del-*', '*.a', '*.olb', '*.o', '*.obj', '*.so', '*.exe',
+	 '*.Z', '*.elc', '*.ln', 'core');
+
+# 3-letter month names in POSIX locale, for fast date decoding
+my %months = (
+    "Jan" => 0,
+    "Feb" => 1,
+    "Mar" => 2,
+    "Apr" => 3,
+    "May" => 4,
+    "Jun" => 5,
+    "Jul" => 6,
+    "Aug" => 7,
+    "Sep" => 8,
+    "Oct" => 9,
+    "Nov" => 10,
+    "Dec" => 11
+);
+
+# print usage information and exit
+sub usage ()
+{
+    print "Usage:\n" .
+	"  cvsu [OPTIONS] [FILE] ...\n" .
+	"Options:\n" .
+	"  --local		Disable recursion\n" .
+	"  --explain		Verbosely print status of files\n" .
+	"  --find		Emulate find - filenames only\n" .
+	"  --short		Don't print paths\n" .
+	"  --ignore		Don't read .cvsignore\n" .
+	"  --messages		List known file types and long messages\n" .
+	"  --nolinks		Disable recognizing hard and soft links\n" .
+	"  --types=[^]LIST	Print only file types [not] from LIST\n" .
+	"  --batch=COMMAND	Execute this command on files\n" .
+	"  --help		Print this usage information\n" .
+	"  --version		Print version number\n" .
+	"Abbreviations and short options are supported\n";
+    exit 0;
+}
+
+# print version information and exit
+sub version ()
+{
+    print "cvsu - CVS offline examiner, version 0.2.3\n";
+    exit 0;
+}
+
+# If types begin with '^', make inversion
+sub adjust_types ()
+{
+    if ($list_types =~ m{^\^(.*)$}) {
+	$list_types = "";
+	foreach (keys %messages) {
+	    $list_types .= $_
+		if (index ($1, $_) < 0);
+	}
+    }
+}
+
+# list known messages and exit
+sub list_messages ()
+{
+    my $default_mark;
+    print "Recognizable file types are:\n";
+    foreach (sort keys %messages) {
+	if (index($list_types, $_) >= 0) {
+	    $default_mark = "*";
+	} else {
+	    $default_mark = " ";
+	}
+	print "  $default_mark $_ $messages{$_}\n";
+    }
+    print "* indicates file types listed by default\n";
+    exit 0;
+}
+
+# Initialize @common_ignores
+# Also read $HOME/.cvsignore and append it to @common_ignores
+sub init_ignores ()
+{
+    my $HOME = $ENV{"HOME"};
+
+    push @common_ignores, STANDARD_IGNORES;
+
+    unless (defined($HOME)) {
+	return;
+    }
+
+    my $home_cvsignore = "${HOME}/.cvsignore";
+
+    if (-f "$home_cvsignore") {
+
+	unless (open (CVSIGNORE, "< $home_cvsignore")) {
+	    error ("couldn't open $home_cvsignore: $!");
+	}
+
+	while (<CVSIGNORE>) {
+	    push (@common_ignores, split);
+	}
+
+	close (CVSIGNORE);
+    }
+
+    my $CVSIGNOREENV = $ENV{"CVSIGNORE"};
+
+    unless (defined($CVSIGNOREENV)) {
+	return;
+    }
+
+    my @ignores_var = split (/ /, $CVSIGNOREENV);
+    push (@common_ignores, @ignores_var);
+
+}
+
+# Print message and exit (like "die", but without raising an exception).
+# Newline is added at the end.
+sub error ($)
+{
+	print STDERR "cvsu: ERROR: " . shift(@_) . "\n";
+	exit 1;
+}
+
+# execute commands from @exec_list with $exec_cmd
+sub do_batch ()
+{
+	my @cmd_list = split (' ', $batch_cmd);
+	system (@cmd_list,  @batch_list);
+}
+
+# print files status
+# Parameter 1: status in one-letter representation
+sub file_status ($)
+{
+    my $type = shift (@_);
+    my $item;
+    my $pathfile;
+
+    return
+	if $ignore_rx ne '' && $type =~ /[?SLD]/ && $file =~ /$ignore_rx/;
+
+    return
+	if (index($list_types, $type) < 0);
+
+    $pathfile = $curr_dir . $file;
+
+    if (defined($batch_cmd)) {
+	push (@batch_list, $pathfile);
+	# 1000 items in the command line might be too much for HP-UX
+	if ($#batch_list > 1000) {
+	    do_batch();
+	    undef @batch_list;
+	}
+    }
+
+    if ($short_print) {
+	$item = $file;
+    } else {
+	$item = $pathfile;
+    }
+
+    if ($find_mode) {
+	print "$item\n";
+    } else {
+	$type = $messages{$type}
+	    if ($explain_type);
+	print "$type $item\n";
+    }
+}
+
+# load entries from CVS/Entries and CVS/Entries.Log
+# Parameter 1: file name for CVS/Entries
+# Return: list of entries in the format used in CVS/Entries
+sub load_entries ($);
+sub load_entries ($)
+{
+    my $entries_file = shift (@_);
+    my $entries_log_file = "$entries_file.Log";
+    my %ent = ();
+
+    unless (open (ENTRIES, "< $entries_file")) {
+	error ("couldn't open $entries_file: $!");
+    }
+    while (<ENTRIES>) {
+	chomp;
+	$ent{$_} = 1;
+    }
+    close (ENTRIES);
+
+    if (open (ENTRIES, "< $entries_log_file")) {
+	while (<ENTRIES>) {
+	    chomp;
+	    if ( m{^A (.+)} ) {
+		$ent{$1} = 1;
+	    } elsif ( m{^R (.+)} ) {
+		delete $ent{$1};
+	    } else {
+		# Note: "cvs commit" helps even when you are offline
+		error ("$entries_log_file:$.: unrecognizable line, " .
+			"try \"cvs commit\"");
+	    }
+	}
+	close (ENTRIES);
+    }
+
+    return keys %ent;
+}
+
+# process one directory
+# Parameter 1: directory name
+sub process_arg ($);
+sub process_arg ($)
+{
+    my $arg = shift (@_);
+    my %found_files = ();
+
+    # $file, $curr_dir, and $ignore_rx must be seen in file_status
+    local $file = "";
+    local $ignore_rx = "";
+    local $single_filename = 0;
+
+    if ( $arg eq "" or -d $arg ) {
+	$curr_dir = $arg;
+	my $real_curr_dir = $curr_dir eq "" ? "." : $curr_dir;
+
+	error ("$real_curr_dir is not a directory")
+	    unless ( -d $real_curr_dir );
+
+	# Scan present files.
+	file_status (".");
+	opendir (DIR, $real_curr_dir) ||
+	    error ("couldn't open directory $real_curr_dir: $!");
+	foreach (readdir (DIR)) {
+	    $found_files {$_} = 1;
+	}
+	closedir (DIR);
+    } else {
+	$single_filename = basename $arg;
+	$curr_dir = dirname $arg;
+	$found_files{$single_filename} = 1 if lstat $arg;
+    }
+
+    $curr_dir .= "/"
+	unless ( $curr_dir eq "" || $curr_dir =~ m{/$} );
+
+    # Scan CVS/Entries.
+    my %entries = ();
+    my %subdirs = ();
+    my %removed = ();
+
+    foreach ( load_entries ("${curr_dir}CVS/Entries") ) {
+	if ( m{^D/([^/]+)/} ) {
+	    $subdirs{$1} = SUBDIR_FOUND if !$single_filename;
+	} elsif ( m{^/([^/]+)/([^/])[^/]*/([^/]*)/} ) {
+	    if ( !$single_filename or $single_filename eq $1 ) {
+		$entries{$1} = $3;
+		$removed{$1} = 1
+		    if $2 eq '-';
+	    }
+	} elsif ( m{^D$} ) {
+	    next;
+	} else {
+	    error ("${curr_dir}CVS/Entries: unrecognizable line");
+	}
+    }
+
+    if ( $single_filename && !$entries{$single_filename} &&
+	 !$found_files{$single_filename} ) {
+	error ("nothing known about $arg");
+    }
+
+    # Scan .cvsignore if any
+    unless ($no_cvsignore) {
+	my (@ignore_list) = ();
+
+	if (-f "${curr_dir}.cvsignore") {
+	    open (CVSIGNORE, "< ${curr_dir}.cvsignore")
+		|| error ("couldn't open ${curr_dir}.cvsignore: $!");
+	    while (<CVSIGNORE>) {
+		push (@ignore_list, split);
+	    }
+	    close (CVSIGNORE);
+	}
+
+	my ($iter);
+	foreach $iter (@ignore_list, @common_ignores) {
+	    if ($iter eq '!') {
+		$ignore_rx = ''
+	    } else {
+		if ($ignore_rx eq '') {
+		    $ignore_rx = '^(';
+		} else {
+		    $ignore_rx .= '|';
+		}
+		$ignore_rx .= glob_to_rx ($iter);
+	    }
+	}
+	$ignore_rx .= ')$'
+	    if $ignore_rx ne '';
+    }
+
+    # File is missing
+    foreach $file (sort keys %entries) {
+	unless ($found_files{$file}) {
+	    if ($removed{$file}) {
+		file_status("R");
+	    } else {
+		file_status("U");
+	    }
+	}
+    }
+
+    foreach $file (sort keys %found_files) {
+	next if ($file eq '.' || $file eq '..');
+	lstat ($curr_dir . $file) ||
+	    error ("lstat() failed on $curr_dir . $file");
+	if (! $nolinks && -l _) {
+	    file_status ("L");
+	} elsif (-d _) {
+	    if ($file eq 'CVS') {
+		file_status ("C");
+	    } elsif ($subdirs{$file}) {
+		$subdirs{$file} = SUBDIR_CVS;
+	    } else {
+		file_status ("D"); # Unknown directory
+	    }
+	} elsif (! (-f _) && ! (-l _)) {
+	    file_status ("S"); # This must be something very special
+	} elsif (! $nolinks && (stat _) [3] > 1 ) {
+	    file_status ("H"); # Hard link
+	} elsif (! $entries{$file}) {
+	    file_status ("?");
+	} elsif ($entries{$file} =~ /^Initial |^dummy /) {
+	    file_status ("A");
+	} elsif ($entries{$file} =~ /^Result of merge/) {
+	    file_status ("G");
+	} elsif ($entries{$file} !~
+		/^(...) (...) (..) (..):(..):(..) (....)$/) {
+	    error ("Invalid timestamp for $curr_dir$file: $entries{$file}");
+	} else {
+	    my $cvtime = timegm($6, $5, $4, $3, $months{$2}, $7 - 1900);
+	    my $mtime = (stat _) [9];
+	    if ($cvtime == $mtime) {
+		file_status ("F");
+	    } elsif ($cvtime < $mtime) {
+		file_status ("M");
+	    } else {
+		file_status ("O");
+	    }
+	}
+    }
+
+    # Now do directories.
+    unless ($no_recurse) {
+	my $save_curr_dir = $curr_dir;
+	foreach $file (sort keys %subdirs) {
+	    if ($subdirs{$file} == SUBDIR_FOUND) {
+		$curr_dir = $save_curr_dir;
+		file_status ("X");
+	    } elsif ($subdirs{$file} == SUBDIR_CVS) {
+		process_arg ($save_curr_dir . $file)
+	    }
+	}
+    }
+}
+
+# Turn a glob into a regexp without recognizing square brackets.
+sub glob_to_rx_simple ($)
+{
+    my ($expr) = @_;
+    # Quote all non-word characters, convert ? to . and * to .*
+    $expr =~ s/(\W)/\\$1/g;
+    $expr =~ s/\\\*/.*/g;
+    $expr =~ s/\\\?/./g;
+    return $expr;
+}
+
+# Turn a glob into a regexp
+sub glob_to_rx ($)
+{
+    my $result = '';
+    my ($expr) = @_;
+    # Find parts in square brackets and copy them literally
+    # Text outside brackets is processed by glob_to_rx_simple()
+    while ($expr ne '') {
+	if ($expr =~ /^(.*?)(\[.*?\])(.*)/) {
+	    $expr = $3;
+	    $result .= glob_to_rx_simple ($1) . $2;
+	} else {
+	    $result .= glob_to_rx_simple ($expr);
+	    last;
+	}
+    }
+    return $result;
+}
+
+sub Main ()
+{
+    # types of files to be listed
+    $list_types = "^.FCL";
+
+    # long status messages
+    %messages = (
+	"?" => "Unlisted file",
+	"." => "Known directory",
+	"F" => "Up-to-date file",
+	"C" => "CVS admin directory",
+	"M" => "Modified file",
+	"S" => "Special file",
+	"D" => "Unlisted directory",
+	"L" => "Symbolic link",
+	"H" => "Hard link",
+	"U" => "Lost file",
+	"X" => "Lost directory",
+	"A" => "Newly added",
+	"O" => "Older copy",
+	"G" => "Result of merge",
+	"R" => "Removed file"
+    );
+
+    undef @batch_list;		# List of files for batch processing
+    undef $batch_cmd;		# Command to be executed on files
+    $no_recurse = 0;		# If this is set, do only local files
+    $explain_type = 0;		# Verbosely print status of files
+    $find_mode = 0;		# Don't print status at all
+    $short_print = 0;		# Print only filenames without path
+    $no_cvsignore = 0;		# Ignore .cvsignore
+    $nolinks = 0;		# Do not test for soft- or hard-links
+    my $want_msg = 0;		# List possible filetypes and exit
+    my $want_help = 0;		# Print help and exit
+    my $want_ver = 0;		# Print version and exit
+
+    my %options = (
+	"types=s"  => \$list_types,
+	"batch=s"  => \$batch_cmd,
+	"local"	   => \$no_recurse,
+	"explain"  => \$explain_type,
+	"find"	   => \$find_mode,
+	"short"	   => \$short_print,
+	"ignore"   => \$no_cvsignore,
+	"messages" => \$want_msg,
+	"nolinks"  => \$nolinks,
+	"help"     => \$want_help,
+	"version"  => \$want_ver
+    );
+
+    GetOptions(%options);
+
+    adjust_types();
+
+    list_messages() if $want_msg;
+    usage() if $want_help;
+    version() if $want_ver;
+
+    unless ($no_cvsignore) {
+	init_ignores();
+    }
+
+    if ($#ARGV < 0) {
+	@ARGV = ("");
+    }
+
+    foreach (@ARGV) {
+	process_arg ($_);
+    }
+
+    if ($#batch_list >= 0) {
+	    do_batch();
+    }
+}
+
+Main();