Remove lib-src/grep-changelog

Ref: http://lists.gnu.org/archive/html/emacs-devel/2014-12/msg00145.html

* lib-src/grep-changelog: Remove file.

* lib-src/Makefile.in (INSTALLABLE_SCRIPTS): Remove.
(all, install, uninstall): Remove INSTALLABLE_SCRIPTS.

* doc/man/grep-changelog.1: Remove file.

* make-dist: No more lib-src/grep-changelog.

* INSTALL: No longer mention grep-changelog.

* admin/quick-install-emacs (PUBLIC_LIBSRC_SCRIPTS): Remove, and all uses.

* admin/authors.el (authors-valid-file-names): Add grep-changelog.

* etc/NEWS: Mention this.

3 files changed, 7 insertions, 274 deletions

diff --git a/lib-src/ChangeLog b/lib-src/ChangeLog
index ab67538c387..9b6c0daf210 100644
--- a/lib-src/ChangeLog
+++ b/lib-src/ChangeLog
@@ -1,3 +1,9 @@
+2014-12-14  Glenn Morris  <rgm@gnu.org>
+
+        * grep-changelog: Remove file.
+        * Makefile.in (INSTALLABLE_SCRIPTS): Remove.
+        (all, install, uninstall): Remove INSTALLABLE_SCRIPTS.
+
 2014-11-23  Glenn Morris  <rgm@gnu.org>
 
         * Makefile.in (emacsclient.res): Fix yesterday's thinko.
diff --git a/lib-src/Makefile.in b/lib-src/Makefile.in
index 77d3b78096a..cae0898a2c4 100644
--- a/lib-src/Makefile.in
+++ b/lib-src/Makefile.in
@@ -137,8 +137,6 @@ CLIENTW = @CLIENTW@
 INSTALLABLES = etags${EXEEXT} ctags${EXEEXT} emacsclient${EXEEXT} $(CLIENTW) \
                ebrowse${EXEEXT}
 
-INSTALLABLE_SCRIPTS = grep-changelog
-
 # Things that Emacs runs internally, or during the build process,
 #  which should not be installed in bindir.
 UTILITIES = profile${EXEEXT} movemail${EXEEXT} hexl${EXEEXT} \
@@ -215,7 +213,7 @@ CPP_CFLAGS = ${BASE_CFLAGS} ${PROFILING_CFLAGS} ${CPPFLAGS} ${CFLAGS}
 # Configuration files for .o files to depend on.
 config_h = ../src/config.h $(srcdir)/../src/conf_post.h
 
-all: ${EXE_FILES} ${SCRIPTS} ${INSTALLABLE_SCRIPTS}
+all: ${EXE_FILES} ${SCRIPTS}
 
 .PHONY: all need-blessmail maybe-blessmail
 
@@ -281,17 +279,11 @@ install: $(DESTDIR)${archlibdir}
         for file in ${INSTALLABLES} ; do \
           $(INSTALL_PROGRAM) $(INSTALL_STRIP) $${file} "$(DESTDIR)${bindir}"/`echo $${file} | sed -e 's/${EXEEXT}$$//' -e '$(TRANSFORM)'`${EXEEXT} ; \
         done
-        for file in ${INSTALLABLE_SCRIPTS} ; do \
-          $(INSTALL_SCRIPT) ${srcdir}/$${file} "$(DESTDIR)${bindir}"/`echo $${file} | sed '$(TRANSFORM)'`  ; \
-        done
 
 uninstall:
         for file in ${INSTALLABLES}; do \
           rm -f "$(DESTDIR)${bindir}"/`echo $${file} | sed -e 's/${EXEEXT}$$//' -e '$(TRANSFORM)'`${EXEEXT} ; \
         done
-        for file in ${INSTALLABLE_SCRIPTS}; do \
-          rm -f "$(DESTDIR)${bindir}"/`echo $${file} | sed '$(TRANSFORM)'` ; \
-        done
         if [ -d "$(DESTDIR)${archlibdir}" ]; then \
           (cd "$(DESTDIR)${archlibdir}" && rm -f ${UTILITIES} ${SCRIPTS}) \
         fi
diff --git a/lib-src/grep-changelog b/lib-src/grep-changelog
deleted file mode 100755
index ab8c5e38618..00000000000
--- a/lib-src/grep-changelog
+++ /dev/null
@@ -1,265 +0,0 @@
-#! /usr/bin/perl
-
-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
-#
-# This file is part of GNU Emacs.
-
-# GNU Emacs is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-
-# GNU Emacs is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
-
-
-# Extract entries from ChangeLogs matching specified criteria.
-# Optionally format the resulting output to a form suitable for RCS
-# logs, like they are used in Emacs, for example.  In this format,
-# author lines, leading spaces, and file names are removed.
-
-require 5;
-use strict;
-
-# Parse command line options.
-
-use vars qw($author $regexp $exclude $from_date $to_date
-            $rcs_log $with_date $version $help $reverse
-            @entries);
-
-use Getopt::Long;
-
-my $result;
-
-if (@ARGV == 0) {
-
-    # No arguments cannot possibly mean "show everything"!!
-    $result = 0;
-
-} else {
-
-    $result = GetOptions ("author=s" => \$author,
-                          "text=s"  => \$regexp,
-                          "exclude=s"  => \$exclude,
-                          "from-date=s" => \$from_date,
-                          "to-date=s" => \$to_date,
-                          "rcs-log" => \$rcs_log,
-                          "with-date" => \$with_date,
-                          "reverse!" => \$reverse,
-                          "version" => \$version,
-                          "help"    => \$help);
-
-    # If date options are specified, check that they have the format
-    # YYYY-MM-DD.
-
-    $result = 0 if $from_date && $from_date !~ /^\d\d\d\d-\d\d-\d\d$/;
-    $result = 0 if $to_date && $to_date !~ /^\d\d\d\d-\d\d-\d\d$/;
-}
-
-# Print usage information and exit when necessary.
-
-if ($result == 0 || $help) {
-    print <<USAGE;
-
-Usage: $0 [options] [CHANGELOG...]
-
-Print entries in ChangeLogs matching various criteria.
-Valid options are:
-
-  --author=AUTHOR         Match entries whose author line matches
-                          regular expression AUTHOR
-  --text=TEXT             Match entries whose text matches regular
-                          expression TEXT
-  --exclude=TEXT          Exclude entries matching TEXT
-  --from-date=YYYY-MM-DD  Match entries not older than given date
-  --to-date=YYYY-MM-DD    Match entries not younger than given date
-  --rcs-log               Format output suitable for RCS log entries
-  --with-date             Print short date line in RCS log
-  --reverse               Show entries in reverse (chronological) order
-  --version               Print version info
-  --help                  Print this help
-
-If no CHANGELOG is specified scan the files "ChangeLog" and
-"ChangeLog.N+" in the current directory.  Old-style dates in ChangeLogs
-are not recognized.
-USAGE
-    exit !$help;
-}
-
-# Print version info and exit if `--version' was specified.
-
-if ($version) {
-    print "0.3\n";
-    exit 0;
-}
-
-
-# Value is non-zero if HEADER matches according to command line
-# options specified, i.e. it matches $author, and its date is in
-# the range $from_date <= date <= $to_date.
-
-sub header_match_p {
-    my $header = shift;
-
-    return 0 unless $header;
-
-    # No match if AUTHOR-regexp specified and doesn't match.
-    return 0 if $author && $header !~ /$author/;
-
-    # Check that the date of the entry matches if date options
-    # `--from-date' and/or `--to-date' were specified .  Old-style
-    # dates in ChangeLogs are not recognized, and never match.
-    if ($from_date || $to_date) {
-        if ($header =~ /^(\d\d\d\d-\d\d-\d\d)/) {
-            my $date = $1;
-            return 0 if $from_date && $date lt $from_date;
-            return 0 if $to_date && $date gt $to_date;
-        } else {
-            # Don't bother recognizing old-style dates.
-            return 0;
-        }
-    }
-
-    return 1;
-}
-
-
-# Value is non-zero if ENTRY matches the criteria specified on the
-# command line, i.e. it matches $regexp, and it doesn't match
-# $exclude.
-
-sub entry_match_p {
-    my $entry = shift;
-
-    return 0 unless $entry;
-
-    if ($regexp) {
-        return 1 if ($entry =~ /$regexp/
-                     && (!$exclude || $entry !~ $exclude));
-    } else {
-        return 1 if !$exclude || $entry !~ $exclude;
-    }
-
-    return 0;
-}
-
-
-# Print HEADER and/or ENTRY in a format suitable for what was
-# specified on the command line.  If $rcs_log is specified, author
-# lines are not printed, and leading spaces and file names are removed
-# from ChangeLog entries.
-
-sub print_log {
-    my ($header, $entry) = @_;
-    my $output = '';
-
-    if ($rcs_log) {
-        # Remove leading whitespace from entry.
-        $entry =~ s/^\s+//mg;
-        # Remove file name parts.
-        $entry =~ s/^\*.*\(/(/mg;
-        # Remove file name parts, 2.
-        $entry =~ s/^\*.*://mg;
-        if ($with_date) {
-            $header =~ /(\d\d\d\d-\d\d-\d\d)/;
-            $output = "!changelog-date $1\n";
-        }
-        $output .= $entry;
-    } else {
-        $output .= $header . $entry;
-    }
-
-    if ($reverse) {
-        push @entries, $output;
-    } else {
-        print $output;
-    }
-}
-
-# Scan LOG for matching entries, and print them to standard output.
-
-sub parse_changelog {
-    my $log = shift;
-    my $entry = undef;
-    my $header = undef;
-
-    @entries = () if $reverse;
-
-    # Open the ChangeLog.
-    open (IN, "< $log") || die "Cannot open $log: $!";
-
-    while (defined(my $line = <IN>)) {
-        if ($line =~ /^\S/) {
-            # Line is an author-line.  Print previous entry if
-            # it matches.
-            print_log ($header, $entry)
-                if header_match_p ($header) && entry_match_p ($entry);
-
-            $entry = "";
-            $header = $line;
-
-            # Add empty lines below the header.
-            while (defined($line = <IN>) && $line =~ /^\s*$/) {
-                $header = "$header$line";
-            }
-        }
-
-        last unless defined $line;
-
-        if ($line =~ /^\s*\*/) {
-            # LINE is the first line of a ChangeLog entry.  Print
-            # previous entry if it matches.
-            print_log ($header, $entry)
-                if header_match_p ($header) && entry_match_p ($entry);
-            $entry = $line;
-        } else {
-            # Add LINE to the current entry.
-            $entry = "$entry$line";
-        }
-    }
-
-    # Print last entry if it matches.
-    print_log ($header, $entry)
-        if header_match_p ($header) && entry_match_p ($entry);
-
-    close IN;
-
-    if ($reverse) {
-        for (my $entry = @entries; $entry; $entry--) {
-            print $entries[$entry-1];
-        }
-    }
-}
-
-
-# Main program.  Process ChangeLogs.
-
-# If files were specified on the command line, parse those files in the
-# order supplied by the user; otherwise parse default files ChangeLog and
-# ChangeLog.NNN according to $reverse.
-unless (@ARGV > 0) {
-    @ARGV = ("ChangeLog");
-
-    push @ARGV,
-      map {"ChangeLog.$_"}
-        sort {$b <=> $a}
-          map {/\.(\d+)$/; $1}
-            do {
-                opendir D, '.';
-                grep /^ChangeLog\.\d+$/, readdir D;
-            };
-
-    @ARGV = reverse @ARGV if $reverse;
-}
-
-while (defined (my $log = shift @ARGV)) {
-    parse_changelog ($log) if -f $log;
-}
-
-
-# grep-changelog ends here.