git-commit-vandalism/Documentation/build-docdep.perl
Junio C Hamano fb612d54c1 Documentation: fix dependency generation.
The previous rule misses the case where git.txt or tutorial.txt
includes new files.

Signed-off-by: Junio C Hamano <junkio@cox.net>
2005-11-08 00:23:12 -08:00

55 lines
1.2 KiB
Perl
Executable File

#!/usr/bin/perl
my %include = ();
my %included = ();
for my $text (<*.txt>) {
open I, '<', $text || die "cannot read: $text";
while (<I>) {
if (/^include::/) {
chomp;
s/^include::\s*//;
s/\[\]//;
$include{$text}{$_} = 1;
$included{$_} = 1;
}
}
close I;
}
# Do we care about chained includes???
my $changed = 1;
while ($changed) {
$changed = 0;
while (my ($text, $included) = each %include) {
print STDERR "Looking at $text...\n";
for my $i (keys %$included) {
print STDERR "$text includes $i.\n";
# $text has include::$i; if $i includes $j
# $text indirectly includes $j.
if (exists $include{$i}) {
print STDERR "$i includes something.\n";
for my $j (keys %{$include{$i}}) {
print STDERR "$text includes $i include $j\n";
if (!exists $include{$text}{$j}) {
$include{$text}{$j} = 1;
$included{$j} = 1;
$changed = 1;
}
}
}
}
}
}
while (my ($text, $included) = each %include) {
if (! exists $included{$text} &&
(my $base = $text) =~ s/\.txt$//) {
my ($suffix) = '1';
if ($base eq 'git') {
$suffix = '7'; # yuck...
}
print "$base.html $base.$suffix : ", join(" ", keys %$included), "\n";
}
}