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Diffstat (limited to 'lib-src/grep-changelog')
| -rwxr-xr-x | lib-src/grep-changelog | 265 |
1 files changed, 0 insertions, 265 deletions
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. |