maint: get rid of obsolete script 'cvsu'

It was useful only back when coreutils used CVS as its version
control system.

* build-aux/cvsu: Delete.
* Makefile.am (EXTRA_DIST): Remove it.
* cfg.mk: Remove the two exemptions for this removed file.

3 files changed, 0 insertions, 515 deletions

diff --git a/Makefile.am b/Makefile.am
index 673c964b3..b47b1c141 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -49,7 +49,6 @@ EXTRA_DIST =				\
   THANKStt.in				\
   bootstrap				\
   bootstrap.conf			\
-  build-aux/cvsu			\
   cfg.mk				\
   dist-check.mk				\
   maint.mk				\
diff --git a/build-aux/cvsu b/build-aux/cvsu
deleted file mode 100755
index 741f6b238..000000000
--- a/build-aux/cvsu
+++ /dev/null
@@ -1,512 +0,0 @@
-#! /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-# cvsu - do a quick check to see what files are out of date.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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
-
-
-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();
diff --git a/cfg.mk b/cfg.mk
index 92bbadc24..1dbfe4241 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -509,8 +509,6 @@ update-copyright-env = \
 exclude_file_name_regexp--sc_space_tab = \
   ^(tests/pr/|tests/misc/nl\.sh$$|gl/.*\.diff$$)
 exclude_file_name_regexp--sc_bindtextdomain = ^(gl/.*|lib/euidaccess-stat)\.c$$
-exclude_file_name_regexp--sc_unmarked_diagnostics =    ^build-aux/cvsu$$
-exclude_file_name_regexp--sc_error_message_uppercase = ^build-aux/cvsu$$
 exclude_file_name_regexp--sc_trailing_blank = ^tests/pr/
 exclude_file_name_regexp--sc_system_h_headers = \
   ^src/((system|copy)\.h|libstdbuf\.c)$$