575 lines
16 KiB
Perl
Executable File
575 lines
16 KiB
Perl
Executable File
#!/bin/perl -w
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#
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# patchls - patch listing utility
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#
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# Input is one or more patchfiles, output is a list of files to be patched.
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#
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# Copyright (c) 1997 Tim Bunce. All rights reserved.
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# This program is free software; you can redistribute it and/or
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# modify it under the same terms as Perl itself.
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#
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# With thanks to Tom Horsley for the seed code.
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use Getopt::Std;
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use Text::Wrap qw(wrap $columns);
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use Text::Tabs qw(expand unexpand);
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use strict;
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use vars qw($VERSION);
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$VERSION = 2.11;
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sub usage {
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die qq{
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patchls [options] patchfile [ ... ]
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-h no filename headers (like grep), only the listing.
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-l no listing (like grep), only the filename headers.
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-i Invert: for each patched file list which patch files patch it.
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-c Categorise the patch and sort by category (perl specific).
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-m print formatted Meta-information (Subject,From,Msg-ID etc).
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-p N strip N levels of directory Prefix (like patch), else automatic.
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-v more verbose (-d for noisy debugging).
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-n give a count of the number of patches applied to a file if >1.
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-f F only list patches which patch files matching regexp F
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(F has \$ appended unless it contains a /).
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-e Expect patched files to Exist (relative to current directory)
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Will print warnings for files which don't. Also affects -4 option.
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- Read patch from STDIN
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other options for special uses:
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-I just gather and display summary Information about the patches.
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-4 write to stdout the PerForce commands to prepare for patching.
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-5 like -4 but add "|| exit 1" after each command
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-M T Like -m but only output listed meta tags (eg -M 'Title From')
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-W N set wrap width to N (defaults to 70, use 0 for no wrap)
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-X list patchfiles that may clash (i.e. patch the same file)
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patchls version $VERSION by Tim Bunce
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}
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}
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$::opt_p = undef; # undef != 0
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$::opt_d = 0;
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$::opt_v = 0;
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$::opt_m = 0;
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$::opt_n = 0;
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$::opt_i = 0;
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$::opt_h = 0;
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$::opt_l = 0;
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$::opt_c = 0;
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$::opt_f = '';
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$::opt_e = 0;
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# special purpose options
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$::opt_I = 0;
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$::opt_4 = 0; # output PerForce commands to prepare for patching
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$::opt_5 = 0;
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$::opt_M = ''; # like -m but only output these meta items (-M Title)
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$::opt_W = 70; # set wrap width columns (see Text::Wrap module)
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$::opt_C = 0; # 'Chip' mode (handle from/tags/article/bug files) undocumented
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$::opt_X = 0; # list patchfiles that patch the same file
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usage unless @ARGV;
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getopts("dmnihlvecC45Xp:f:IM:W:") or usage;
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$columns = $::opt_W || 9999999;
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$::opt_m = 1 if $::opt_M;
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$::opt_4 = 1 if $::opt_5;
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$::opt_i = 1 if $::opt_X;
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# see get_meta_info()
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my @show_meta = split(' ', $::opt_M || 'Title From Msg-ID Files');
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my %show_meta = map { ($_,1) } @show_meta;
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my %cat_title = (
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'BUILD' => 'BUILD PROCESS',
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'CORE' => 'CORE LANGUAGE',
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'DOC' => 'DOCUMENTATION',
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'LIB' => 'LIBRARY',
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'PORT1' => 'PORTABILITY - WIN32',
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'PORT2' => 'PORTABILITY - GENERAL',
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'TEST' => 'TESTS',
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'UTIL' => 'UTILITIES',
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'OTHER' => 'OTHER CHANGES',
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'EXT' => 'EXTENSIONS',
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'UNKNOWN' => 'UNKNOWN - NO FILES PATCHED',
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);
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sub get_meta_info {
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my $ls = shift;
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local($_) = shift;
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if (/^From:\s+(.*\S)/i) {;
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my $from = $1; # temporary measure for Chip Salzenberg
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$from =~ s/chip\@(atlantic\.net|perlsupport\.com)/chip\@pobox.com/;
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$from =~ s/\(Tim Bunce\) \(Tim Bunce\)/(Tim Bunce)/;
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$ls->{From}{$from} = 1
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}
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if (/^Subject:\s+(?:Re: )?(.*\S)/i) {
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my $title = $1;
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$title =~ s/\[(PATCH|PERL)[\w\. ]*\]:?//g;
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$title =~ s/\b(PATCH|PERL)[\w\.]*://g;
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$title =~ s/\bRe:\s+/ /g;
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$title =~ s/\s+/ /g;
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$title =~ s/^\s*(.*?)\s*$/$1/g;
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$ls->{Title}{$title} = 1;
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}
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$ls->{'Msg-ID'}{$1}=1 if /^Message-Id:\s+(.*\S)/i;
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$ls->{Date}{$1}=1 if /^Date:\s+(.*\S)/i;
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$ls->{$1}{$2}=1 if $::opt_M && /^([-\w]+):\s+(.*\S)/;
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}
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# Style 1:
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# *** perl-5.004/embed.h Sat May 10 03:39:32 1997
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# --- perl-5.004.fixed/embed.h Thu May 29 19:48:46 1997
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# ***************
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# *** 308,313 ****
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# --- 308,314 ----
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#
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# Style 2:
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# --- perl5.004001/mg.c Sun Jun 08 12:26:24 1997
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# +++ perl5.004-bc/mg.c Sun Jun 08 11:56:08 1997
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# @@ .. @@
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# or for deletions
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# --- perl5.004001/mg.c Sun Jun 08 12:26:24 1997
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# +++ /dev/null Sun Jun 08 11:56:08 1997
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# @@ ... @@
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# or (rcs, note the different date format)
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# --- 1.18 1997/05/23 19:22:04
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# +++ ./pod/perlembed.pod 1997/06/03 21:41:38
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#
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# Variation:
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# Index: embed.h
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my %ls;
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my $in;
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my $ls;
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my $prevline = '';
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my $prevtype = '';
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my (%removed, %added);
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my $prologue = 1; # assume prologue till patch or /^exit\b/ seen
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foreach my $argv (@ARGV) {
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$in = $argv;
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if (-d $in) {
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warn "Ignored directory $in\n";
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next;
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}
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if ($in eq "-") {
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*F = \*STDIN;
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} elsif (not open F, "<$in") {
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warn "Unable to open $in: $!\n";
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next;
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}
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print "Reading $in...\n" if $::opt_v and @ARGV > 1;
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$ls = $ls{$in} ||= { is_in => 1, in => $in };
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my $type;
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while (<F>) {
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unless (/^([-+*]{3}) / || /^(Index):/) {
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# not an interesting patch line
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# but possibly meta-information or prologue
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if ($prologue) {
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$added{$1} = 1 if /^touch\s+(\S+)/;
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$removed{$1} = 1 if /^rm\s+(?:-f)?\s*(\S+)/;
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$prologue = 0 if /^exit\b/;
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}
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get_meta_info($ls, $_) if $::opt_m;
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next;
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}
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$type = $1;
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next if /^--- [0-9,]+ ----$/ || /^\*\*\* [0-9,]+ \*\*\*\*$/;
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$prologue = 0;
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print "Last: $prevline","This: ${_}Got: $type\n\n" if $::opt_d;
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# Some patches have Index lines but not diff headers
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# Patch copes with this, so must we. It's also handy for
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# documenting manual changes by simply adding Index: lines
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# to the file which describes the problem being fixed.
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if (/^Index:\s+(.*)/) {
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my $f;
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foreach $f (split(/ /, $1)) { add_patched_file($ls, $f) }
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next;
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}
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if ( ($type eq '---' and $prevtype eq '***') # Style 1
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or ($type eq '+++' and $prevtype eq '---') # Style 2
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) {
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if (/^[-+*]{3} (\S+)\s*(.*?\d\d:\d\d:\d\d)?/) { # double check
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if ($1 eq "/dev/null") {
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$prevline =~ /^[-+*]{3} (\S+)\s*/;
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add_deleted_file($ls, $1);
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}
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else {
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add_patched_file($ls, $1);
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}
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}
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else {
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warn "$in $.: parse error (prev $prevtype, type $type)\n$prevline$_";
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}
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}
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}
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continue {
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$prevline = $_;
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$prevtype = $type || '';
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$type = '';
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}
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# special mode for patch sets from Chip
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if ($in =~ m:[\\/]patch$:) {
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my $is_chip;
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my $chip;
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my $dir; ($dir = $in) =~ s:[\\/]patch$::;
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if (!$ls->{From} && (open(CHIP,"$dir/article") || open(CHIP,"$dir/bug"))) {
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get_meta_info($ls, $_) while (<CHIP>);
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$is_chip = 1;
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}
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if (open CHIP,"<$dir/from") {
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chop($chip = <CHIP>);
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$ls->{From} = { $chip => 1 };
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$is_chip = 1;
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}
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if (open CHIP,"<$dir/tag") {
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chop($chip = <CHIP>);
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$ls->{Title} = { $chip => 1 };
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$is_chip = 1;
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}
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$ls->{From} = { "Chip Salzenberg" => 1 } if $is_chip && !$ls->{From};
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}
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# if we don't have a title for -m then use the file name
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$ls->{Title}{"Untitled: $in"}=1 if $::opt_m
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and !$ls->{Title} and $ls->{out};
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$ls->{category} = $::opt_c
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? categorize_files([keys %{ $ls->{out} }], $::opt_v) : '';
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}
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print scalar(@ARGV)." files read.\n" if $::opt_v and @ARGV > 1;
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# --- Firstly we filter and sort as needed ---
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my @ls = values %ls;
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if ($::opt_f) { # filter out patches based on -f <regexp>
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$::opt_f .= '$' unless $::opt_f =~ m:/:;
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@ls = grep {
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my $match = 0;
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if ($_->{is_in}) {
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my @out = keys %{ $_->{out} };
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$match=1 if grep { m/$::opt_f/o } @out;
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}
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else {
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$match=1 if $_->{in} =~ m/$::opt_f/o;
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}
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$match;
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} @ls;
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}
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@ls = sort {
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$a->{category} cmp $b->{category} || $a->{in} cmp $b->{in}
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} @ls;
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# --- Handle special modes ---
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if ($::opt_4) {
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my $tail = ($::opt_5) ? "|| exit 1" : "";
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print map { "p4 delete $_$tail\n" } sort keys %removed if %removed;
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print map { "p4 add $_$tail\n" } sort keys %added if %added;
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my @patches = sort grep { $_->{is_in} } @ls;
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my @no_outs = grep { keys %{$_->{out}} == 0 } @patches;
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warn "Warning: Some files contain no patches:",
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join("\n\t", '', map { $_->{in} } @no_outs), "\n" if @no_outs;
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my %patched = map { ($_, 1) } map { keys %{$_->{out}} } @patches;
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delete @patched{keys %added};
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my @patched = sort keys %patched;
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foreach(@patched) {
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next if $removed{$_};
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my $edit = ($::opt_e && !-f $_) ? "add " : "edit";
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print "p4 $edit $_$tail\n";
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}
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exit 0 unless $::opt_C;
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}
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if ($::opt_I) {
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my $n_patches = 0;
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my($in,$out);
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my %all_out;
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my @no_outs;
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foreach $in (@ls) {
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next unless $in->{is_in};
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++$n_patches;
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my @outs = keys %{$in->{out}};
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push @no_outs, $in unless @outs;
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@all_out{@outs} = ($in->{in}) x @outs;
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}
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my @all_out = sort keys %all_out;
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my @missing = grep { ! -f $_ } @all_out;
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print "$n_patches patch files patch ".@all_out." files (".@missing." missing)\n";
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print @no_outs." patch files don't contain patches.\n" if @no_outs;
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print "(use -v to list patches which patch 'missing' files)\n"
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if (@missing || @no_outs) && !$::opt_v;
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if ($::opt_v and @no_outs) {
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print "Patch files which don't contain patches:\n";
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foreach $out (@no_outs) {
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printf " %-20s\n", $out->{in};
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}
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}
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if ($::opt_v and @missing) {
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print "Missing files:\n";
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foreach $out (@missing) {
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printf " %-20s\t", $out unless $::opt_h;
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print $all_out{$out} unless $::opt_l;
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print "\n";
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}
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}
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print "Added files: ".join(" ",sort keys %added )."\n" if %added;
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print "Removed files: ".join(" ",sort keys %removed)."\n" if %removed;
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exit 0+@missing;
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}
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unless ($::opt_c and $::opt_m) {
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foreach $ls (@ls) {
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next unless ($::opt_i) ? $ls->{is_out} : $ls->{is_in};
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next if $::opt_X and keys %{$ls->{out}} <= 1;
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list_files_by_patch($ls);
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}
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}
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else {
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my $c = '';
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foreach $ls (@ls) {
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next unless ($::opt_i) ? $ls->{is_out} : $ls->{is_in};
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print "\n ------ $cat_title{$ls->{category}} ------\n"
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if $ls->{category} ne $c;
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$c = $ls->{category};
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unless ($::opt_i) {
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list_files_by_patch($ls);
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}
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else {
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my $out = $ls->{in};
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print "\n$out patched by:\n";
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# find all the patches which patch $out and list them
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my @p = grep { $_->{out}->{$out} } values %ls;
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foreach $ls (@p) {
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list_files_by_patch($ls, '');
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}
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}
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}
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print "\n";
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}
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exit 0;
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# ---
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sub add_patched_file {
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my $ls = shift;
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my $raw_name = shift;
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my $action = shift || 1; # 1==patched, 2==deleted
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my $out = trim_name($raw_name);
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print "add_patched_file '$out' ($raw_name, $action)\n" if $::opt_d;
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$ls->{out}->{$out} = $action;
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warn "$out patched but not present\n" if $::opt_e && !-f $out;
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# do the -i inverse as well, even if we're not doing -i
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my $i = $ls{$out} ||= {
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is_out => 1,
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in => $out,
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category => $::opt_c ? categorize_files([ $out ], $::opt_v) : '',
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};
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$i->{out}->{$in} = 1;
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}
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sub add_deleted_file {
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my $ls = shift;
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my $raw_name = shift;
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my $out = trim_name($raw_name);
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print "add_deleted_file '$out' ($raw_name)\n" if $::opt_d;
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$removed{$out} = 1;
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#add_patched_file(@_[0,1], 2);
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}
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sub trim_name { # reduce/tidy file paths from diff lines
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my $name = shift;
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$name =~ s:\\:/:g; # adjust windows paths
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$name =~ s://:/:g; # simplify (and make win \\share into absolute path)
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if ($name eq "/dev/null") {
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# do nothing (XXX but we need a way to record deletions)
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}
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elsif (defined $::opt_p) {
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# strip on -p levels of directory prefix
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my $dc = $::opt_p;
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$name =~ s:^[^/]+/(.+)$:$1: while $dc-- > 0;
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}
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else { # try to strip off leading path to perl directory
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# if absolute path, strip down to any *perl* directory first
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$name =~ s:^/.*?perl.*?/::i;
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$name =~ s:.*(perl|maint)[-_]?5?[._]?[-_a-z0-9.+]*/::i;
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$name =~ s:^\./::;
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}
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return $name;
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}
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sub list_files_by_patch {
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my($ls, $name) = @_;
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$name = $ls->{in} unless defined $name;
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my @meta;
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if ($::opt_m) {
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my $meta;
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foreach $meta (@show_meta) {
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next unless $ls->{$meta};
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my @list = sort keys %{$ls->{$meta}};
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push @meta, sprintf "%7s: ", $meta;
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if ($meta eq 'Title') {
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@list = map { "\"$_\""; } @list;
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push @list, "#$1" if $::opt_C && $ls->{in} =~ m:\b(\w\d+)/patch$:;
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}
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elsif ($meta eq 'From') {
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# fix-up bizzare addresses from japan and ibm :-)
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foreach(@list) {
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s:\W+=?iso.*?<: <:;
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s/\d\d-\w\w\w-\d{4}\s+\d\d:\S+\s*//;
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}
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}
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elsif ($meta eq 'Msg-ID') {
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my %from; # limit long threads to one msg-id per site
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@list = map {
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$from{(/@(.*?)>/ ? $1 : $_)}++ ? () : ($_);
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} @list;
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}
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push @meta, my_wrap(""," ", join(", ",@list)."\n");
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}
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$name = "\n$name" if @meta and $name;
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}
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# don't print the header unless the file contains something interesting
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return if !@meta and !$ls->{out} and !$::opt_v;
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if ($::opt_l) { # -l = no listing, just names
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print "$ls->{in}";
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my $n = keys %{ $ls->{out} };
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print " ($n patches)" if $::opt_n and $n>1;
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print "\n";
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return;
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}
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# a twisty maze of little options
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my $cat = ($ls->{category} and !$::opt_m) ? "\t$ls->{category}" : "";
|
|
print "$name$cat: " unless ($::opt_h and !$::opt_v) or !"$name$cat";
|
|
my $sep = "\n";
|
|
$sep = "" if @show_meta==1 && $::opt_c && $::opt_h;
|
|
print join('', $sep, @meta) if @meta;
|
|
|
|
return if $::opt_m && !$show_meta{Files};
|
|
my @v = sort PATORDER keys %{ $ls->{out} };
|
|
my $n = @v;
|
|
my $v = "@v";
|
|
print $::opt_m ? " Files: ".my_wrap(""," ",$v) : $v;
|
|
print " ($n patches)" if $::opt_n and $n>1;
|
|
print "\n";
|
|
}
|
|
|
|
|
|
sub my_wrap {
|
|
my $txt = eval { expand(wrap(@_)) }; # die's on long lines!
|
|
return $txt unless $@;
|
|
return expand("@_");
|
|
}
|
|
|
|
|
|
|
|
sub categorize_files {
|
|
my($files, $verb) = @_;
|
|
my(%c, $refine);
|
|
|
|
foreach (@$files) { # assign a score to a file path
|
|
# the order of some of the tests is important
|
|
$c{TEST} += 5,next if m:^t/:;
|
|
$c{DOC} += 5,next if m:^pod/:;
|
|
$c{UTIL} += 10,next if m:^(utils|x2p|h2pl)/:;
|
|
$c{PORT1}+= 15,next if m:^win32:;
|
|
$c{PORT2} += 15,next
|
|
if m:^(cygwin|os2|plan9|qnx|vms)/:
|
|
or m:^(hints|Porting|ext/DynaLoader)/:
|
|
or m:^README\.:;
|
|
$c{EXT} += 10,next
|
|
if m:^(ext|lib/ExtUtils)/:;
|
|
$c{LIB} += 10,next
|
|
if m:^(lib)/:;
|
|
$c{'CORE'} += 15,next
|
|
if m:^[^/]+[\._]([chH]|sym|pl)$:;
|
|
$c{BUILD} += 10,next
|
|
if m:^[A-Z]+$: or m:^[^/]+\.SH$:
|
|
or m:^(install|configure|configpm):i;
|
|
print "Couldn't categorise $_\n" if $::opt_v;
|
|
$c{OTHER} += 1;
|
|
}
|
|
if (keys %c > 1) { # sort to find category with highest score
|
|
refine:
|
|
++$refine;
|
|
my @c = sort { $c{$b} <=> $c{$a} || $a cmp $b } keys %c;
|
|
my @v = map { $c{$_} } @c;
|
|
if (@v > 1 and $refine <= 1 and "@v" =~ /^(\d) \1/
|
|
and $c[0] =~ m/^(DOC|TESTS|OTHER)/) { # rare
|
|
print "Tie, promoting $c[1] over $c[0]\n" if $::opt_d;
|
|
++$c{$c[1]};
|
|
goto refine;
|
|
}
|
|
print " ".@$files." patches: ", join(", ", map { "$_: $c{$_}" } @c),".\n"
|
|
if $verb;
|
|
return $c[0] || 'OTHER';
|
|
}
|
|
else {
|
|
my($c, $v) = %c;
|
|
$c ||= 'UNKNOWN'; $v ||= 0;
|
|
print " ".@$files." patches: $c: $v\n" if $verb;
|
|
return $c;
|
|
}
|
|
}
|
|
|
|
|
|
sub PATORDER { # PATORDER sort by Chip Salzenberg
|
|
my ($i, $j);
|
|
|
|
$i = ($a =~ m#^[A-Z]+$#);
|
|
$j = ($b =~ m#^[A-Z]+$#);
|
|
return $j - $i if $i != $j;
|
|
|
|
$i = ($a =~ m#configure|hint#i) || ($a =~ m#[S_]H$#);
|
|
$j = ($b =~ m#configure|hint#i) || ($b =~ m#[S_]H$#);
|
|
return $j - $i if $i != $j;
|
|
|
|
$i = ($a =~ m#\.pod$#);
|
|
$j = ($b =~ m#\.pod$#);
|
|
return $j - $i if $i != $j;
|
|
|
|
$i = ($a =~ m#include/#);
|
|
$j = ($b =~ m#include/#);
|
|
return $j - $i if $i != $j;
|
|
|
|
if ((($i = $a) =~ s#/+[^/]*$##)
|
|
&& (($j = $b) =~ s#/+[^/]*$##)) {
|
|
return $i cmp $j if $i ne $j;
|
|
}
|
|
|
|
$i = ($a =~ m#\.h$#);
|
|
$j = ($b =~ m#\.h$#);
|
|
return $j - $i if $i != $j;
|
|
|
|
return $a cmp $b;
|
|
}
|
|
|