3 # patchls - patch listing utility
5 # Input is one or more patchfiles, output is a list of files to be patched.
7 # Copyright (c) 1997 Tim Bunce. All rights reserved.
8 # This program is free software; you can redistribute it and/or
9 # modify it under the same terms as Perl itself.
11 # With thanks to Tom Horsley for the seed code.
15 use Text::Wrap qw(wrap $columns);
16 use Text::Tabs qw(expand unexpand);
18 use vars qw($VERSION);
24 patchls [options] patchfile [ ... ]
26 -h no filename headers (like grep), only the listing.
27 -l no listing (like grep), only the filename headers.
28 -i Invert: for each patched file list which patch files patch it.
29 -c Categorise the patch and sort by category (perl specific).
30 -m print formatted Meta-information (Subject,From,Msg-ID etc).
31 -p N strip N levels of directory Prefix (like patch), else automatic.
32 -v more verbose (-d for noisy debugging).
33 -f F only list patches which patch files matching regexp F
34 (F has \$ appended unless it contains a /).
35 -e Expect patched files to Exist (relative to current directory)
36 Will print warnings for files which don't. Also affects -4 option.
37 other options for special uses:
38 -I just gather and display summary Information about the patches.
39 -4 write to stdout the PerForce commands to prepare for patching.
40 -5 like -4 but add "|| exit 1" after each command
41 -M T Like -m but only output listed meta tags (eg -M 'Title From')
42 -W N set wrap width to N (defaults to 70, use 0 for no wrap)
44 patchls version $VERSION by Tim Bunce
48 $::opt_p = undef; # undef != 0
59 # special purpose options
61 $::opt_4 = 0; # output PerForce commands to prepare for patching
63 $::opt_M = ''; # like -m but only output these meta items (-M Title)
64 $::opt_W = 70; # set wrap width columns (see Text::Wrap module)
65 $::opt_C = 0; # 'Chip' mode (handle from/tags/article/bug files) undocumented
69 getopts("mihlvecC45p:f:IM:W:") or usage;
71 $columns = $::opt_W || 9999999;
73 $::opt_m = 1 if $::opt_M;
74 $::opt_4 = 1 if $::opt_5;
75 my @show_meta = split(' ', $::opt_M || 'Title From Msg-ID'); # see get_meta_info()
78 'BUILD' => 'BUILD PROCESS',
79 'CORE' => 'CORE LANGUAGE',
80 'DOC' => 'DOCUMENTATION',
81 'LIB' => 'LIBRARY AND EXTENSIONS',
82 'PORT1' => 'PORTABILITY - WIN32',
83 'PORT2' => 'PORTABILITY - GENERAL',
85 'UTIL' => 'UTILITIES',
86 'OTHER' => 'OTHER CHANGES',
93 $ls->{From}{$1}=1 if /^From:\s+(.*\S)/i;
94 $ls->{Title}{$1}=1 if /^Subject:\s+(?:Re: )?(.*\S)/i;
95 $ls->{'Msg-ID'}{$1}=1 if /^Message-Id:\s+(.*\S)/i;
96 $ls->{Date}{$1}=1 if /^Date:\s+(.*\S)/i;
97 $ls->{$1}{$2}=1 if $::opt_M && /^([-\w]+):\s+(.*\S)/;
102 # *** perl-5.004/embed.h Sat May 10 03:39:32 1997
103 # --- perl-5.004.fixed/embed.h Thu May 29 19:48:46 1997
109 # --- perl5.004001/mg.c Sun Jun 08 12:26:24 1997
110 # +++ perl5.004-bc/mg.c Sun Jun 08 11:56:08 1997
111 # @@ -656,9 +656,27 @@
112 # or (rcs, note the different date format)
113 # --- 1.18 1997/05/23 19:22:04
114 # +++ ./pod/perlembed.pod 1997/06/03 21:41:38
121 my ($in, $prevline, $ls);
123 my (@removed, @added);
124 my $prologue = 1; # assume prologue till patch or /^exit\b/ seen
127 foreach my $argv (@ARGV) {
129 unless (open F, "<$in") {
130 warn "Unable to open $in: $!\n";
133 print "Reading $in...\n" if $::opt_v and @ARGV > 1;
134 $ls = $ls{$in} ||= { is_in => 1, in => $in };
137 unless (/^([-+*]{3}) / || /^(Index):/) {
138 # not an interesting patch line
139 # but possibly meta-information or prologue
141 push @added, $1 if /^touch\s+(\S+)/;
142 push @removed, $1 if /^rm\s+(?:-f)?\s*(\S+)/;
143 $prologue = 0 if /^exit\b/;
145 get_meta_info($ls, $_) if $::opt_m;
149 next if /^--- [0-9,]+ ----$/ || /^\*\*\* [0-9,]+ \*\*\*\*$/;
152 print "Last: $prevline","This: ${_}Got: $1\n\n" if $::opt_d;
154 # Some patches have Index lines but not diff headers
155 # Patch copes with this, so must we. It's also handy for
156 # documenting manual changes by simply adding Index: lines
157 # to the file which describes the problem bing fixed.
158 add_file($ls, $1), next if /^Index:\s+(\S+)/;
160 if ( ($type eq '---' and $prevtype eq '***') # Style 1
161 or ($type eq '+++' and $prevtype eq '---') # Style 2
163 if (/^[-+*]{3} (\S+)\s*(.*?\d\d:\d\d:\d\d)?/) { # double check
167 warn "$in $.: parse error (prev $prevtype, type $type)\n$prevline$_";
177 # special mode for patch sets from Chip
178 if ($::opt_C && $in =~ m:[\\/]patch$:) {
180 my $dir; ($dir = $in) =~ s:[\\/]patch$::;
181 if (!$ls->{From} && (open(CHIP,"$dir/article") || open(CHIP,"$dir/bug"))) {
182 get_meta_info($ls, $_) while (<CHIP>);
184 if (open CHIP,"<$dir/from") {
185 chop($chip = <CHIP>);
186 $ls->{From} = { $chip => 1 };
188 if (open CHIP,"<$dir/tag") {
189 chop($chip = <CHIP>);
190 $ls->{Title} = { $chip => 1 };
192 $ls->{From} = { "Chip Salzenberg" => 1 } unless $ls->{From};
195 # if we don't have a title for -m then use the file name
196 $ls->{Title}{$in}=1 if $::opt_m
197 and !$ls->{Title} and $ls->{out};
199 $ls->{category} = $::opt_c
200 ? categorize_files([keys %{ $ls->{out} }], $::opt_v) : '';
202 print scalar(@ARGV)." files read.\n" if $::opt_v and @ARGV > 1;
205 # --- Firstly we filter and sort as needed ---
209 if ($::opt_f) { # filter out patches based on -f <regexp>
211 $::opt_f .= '$' unless $::opt_f =~ m:/:;
213 my @out = keys %{$_->{out}};
216 ++$match if $out =~ m/$::opt_f/o;
223 $a->{category} cmp $b->{category} || $a->{in} cmp $b->{in}
227 # --- Handle special modes ---
230 my $tail = ($::opt_5) ? "|| exit 1" : "";
231 print map { "p4 delete $_$tail\n" } @removed if @removed;
232 print map { "p4 add $_$tail\n" } @added if @added;
233 my @patches = grep { $_->{is_in} } @ls;
234 my %patched = map { ($_, 1) } map { keys %{$_->{out}} } @patches;
235 delete @patched{@added};
236 my @patched = sort keys %patched;
238 my $edit = ($::opt_e && !-f $_) ? "add " : "edit";
240 } @patched if @patched;
241 exit 0 unless $::opt_C;
249 next unless $in->{is_in};
251 my @outs = keys %{$in->{out}};
252 @all_out{@outs} = ($in->{in}) x @outs;
254 my @all_out = sort keys %all_out;
255 my @missing = grep { ! -f $_ } @all_out;
256 print "$n_patches patch files patch ".@all_out." files (".@missing." missing)\n";
257 print "(use -v to list patches which patch 'missing' files)\n"
258 if @missing && !$::opt_v;
259 if ($::opt_v and @missing) {
260 print "Missing files:\n";
261 foreach $out (@missing) {
262 printf " %-20s\t%s\n", $out, $all_out{$out};
265 print "Added files: @added\n" if @added;
266 print "Removed files: @removed\n" if @removed;
270 unless ($::opt_c and $::opt_m) {
272 next unless ($::opt_i) ? $ls->{is_out} : $ls->{is_in};
273 list_files_by_patch($ls);
279 next unless ($::opt_i) ? $ls->{is_out} : $ls->{is_in};
280 print "\n ------ $cat_title{$ls->{category}} ------\n"
281 if $ls->{category} ne $c;
282 $c = $ls->{category};
284 list_files_by_patch($ls);
288 print "\n$out patched by:\n";
289 # find all the patches which patch $out and list them
290 my @p = grep { $_->{out}->{$out} } values %ls;
292 list_files_by_patch($ls, '');
307 my $out = trim_name(shift);
309 $ls->{out}->{$out} = 1;
311 warn "$out patched but not present\n" if $::opt_e && !-f $out;
313 # do the -i inverse as well, even if we're not doing -i
314 my $i = $ls{$out} ||= {
317 category => $::opt_c ? categorize_files([ $out ], $::opt_v) : '',
319 $i->{out}->{$in} = 1;
323 sub trim_name { # reduce/tidy file paths from diff lines
325 $name = "$name ($in)" if $name eq "/dev/null";
326 $name =~ s:\\:/:g; # adjust windows paths
327 $name =~ s://:/:g; # simplify (and make win \\share into absolute path)
328 if (defined $::opt_p) {
329 # strip on -p levels of directory prefix
331 $name =~ s:^[^/]+/(.+)$:$1: while $dc-- > 0;
333 else { # try to strip off leading path to perl directory
334 # if absolute path, strip down to any *perl* directory first
335 $name =~ s:^/.*?perl.*?/::i;
336 $name =~ s:.*perl[-_]?5?[._]?[-_a-z0-9.+]*/::i;
343 sub list_files_by_patch {
345 $name = $ls->{in} unless defined $name;
349 foreach $meta (@show_meta) {
350 next unless $ls->{$meta};
351 my @list = sort keys %{$ls->{$meta}};
352 push @meta, sprintf "%7s: ", $meta;
353 if ($meta eq 'Title') {
354 @list = map { s/\[?(PATCH|PERL)\]?:?\s*//g; "\"$_\""; } @list;
355 push @list, "#$1" if $::opt_C && $ls->{in} =~ m:\b(\w\d+)/patch$:;
357 elsif ($meta eq 'From') {
358 # fix-up bizzare addresses from japan and ibm :-)
361 s/\d\d-\w\w\w-\d{4}\s+\d\d:\S+\s*//;
364 elsif ($meta eq 'Msg-ID') {
365 my %from; # limit long threads to one msg-id per site
367 $from{(/@(.*?)>/ ? $1 : $_)}++ ? () : ($_);
370 push @meta, my_wrap(""," ", join(", ",@list)."\n");
372 $name = "\n$name" if @meta and $name;
374 # don't print the header unless the file contains something interesting
375 return if !@meta and !$ls->{out};
376 print("$ls->{in}\n"),return if $::opt_l; # -l = no listing, just names
378 # a twisty maze of little options
379 my $cat = ($ls->{category} and !$::opt_m) ? "\t$ls->{category}" : "";
380 print "$name$cat: " unless ($::opt_h and !$::opt_v) or !"$name$cat";
381 print join('',"\n",@meta) if @meta;
383 my @v = sort PATORDER keys %{ $ls->{out} };
385 print $::opt_m ? " Files: ".my_wrap(""," ",$v) : $v;
390 my $txt = eval { expand(wrap(@_)) }; # die's on long lines!
391 return $txt unless $@;
397 sub categorize_files {
398 my($files, $verb) = @_;
401 foreach (@$files) { # assign a score to a file path
402 # the order of some of the tests is important
403 $c{TEST} += 5,next if m:^t/:;
404 $c{DOC} += 5,next if m:^pod/:;
405 $c{UTIL} += 10,next if m:^(utils|x2p|h2pl)/:;
406 $c{PORT1}+= 15,next if m:^win32:;
408 if m:^(cygwin32|os2|plan9|qnx|vms)/:
409 or m:^(hints|Porting|ext/DynaLoader)/:
413 $c{'CORE'} += 15,next
414 if m:^[^/]+[\._]([chH]|sym|pl)$:;
416 if m:^[A-Z]+$: or m:^[^/]+\.SH$:
417 or m:^(install|configure|configpm):i;
418 print "Couldn't categorise $_\n" if $::opt_v;
421 if (keys %c > 1) { # sort to find category with highest score
424 my @c = sort { $c{$b} <=> $c{$a} || $a cmp $b } keys %c;
425 my @v = map { $c{$_} } @c;
426 if (@v > 1 and $refine <= 1 and "@v" =~ /^(\d) \1/
427 and $c[0] =~ m/^(DOC|TESTS|OTHER)/) { # rare
428 print "Tie, promoting $c[1] over $c[0]\n" if $::opt_d;
432 print " ".@$files." patches: ", join(", ", map { "$_: $c{$_}" } @c),".\n"
434 return $c[0] || 'OTHER';
438 $c ||= 'OTHER'; $v ||= 0;
439 print " ".@$files." patches: $c: $v\n" if $verb;
445 sub PATORDER { # PATORDER sort by Chip Salzenberg
448 $i = ($a =~ m#^[A-Z]+$#);
449 $j = ($b =~ m#^[A-Z]+$#);
450 return $j - $i if $i != $j;
452 $i = ($a =~ m#configure|hint#i) || ($a =~ m#[S_]H$#);
453 $j = ($b =~ m#configure|hint#i) || ($b =~ m#[S_]H$#);
454 return $j - $i if $i != $j;
456 $i = ($a =~ m#\.pod$#);
457 $j = ($b =~ m#\.pod$#);
458 return $j - $i if $i != $j;
460 $i = ($a =~ m#include/#);
461 $j = ($b =~ m#include/#);
462 return $j - $i if $i != $j;
464 if ((($i = $a) =~ s#/+[^/]*$##)
465 && (($j = $b) =~ s#/+[^/]*$##)) {
466 return $i cmp $j if $i ne $j;
469 $i = ($a =~ m#\.h$#);
470 $j = ($b =~ m#\.h$#);
471 return $j - $i if $i != $j;