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33 lines
865 B
Perl
33 lines
865 B
Perl
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#! /usr/bin/env perl
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# This script will print the dependency of a Texinfo file to stdout.
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# texidep.pl <src-path> <input.texi> <output.ext>
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use warnings;
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use strict;
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die unless @ARGV == 3;
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my ($src_path, $root, $target) = @ARGV;
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sub print_deps {
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my ($file, $deps) = @_;
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$deps->{$file} = 1;
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open(my $fh, "<", "$file") or die "Cannot open file '$file': $!";
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while (<$fh>) {
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if (my ($i) = /^\@(?:verbatim)?include\s+(\S+)/) {
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die "Circular dependency found in file $root\n" if exists $deps->{"doc/$1"};
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print "$target: doc/$1\n";
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# skip looking for config.texi dependencies, since it has
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# none, and is not located in the source tree
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if ("$1" ne "config.texi") {
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print_deps("$src_path/doc/$1", {%$deps});
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}
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}
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}
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}
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print_deps($root, {});
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