mirror of
https://github.com/ilyakooo0/nixpkgs.git
synced 2024-12-29 14:57:28 +03:00
103 lines
2.9 KiB
Perl
103 lines
2.9 KiB
Perl
use strict;
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use File::Basename;
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my $root = $ENV{"rootFile"};
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my $out = $ENV{"out"};
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my $path = $ENV{"searchRelativeTo"};
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my $store = $ENV{"NIX_STORE"};
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open OUT, ">$out" or die;
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print OUT "[\n";
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my @workset = ();
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my %doneset = ();
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sub addToWorkSetExts {
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my $base = shift;
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foreach my $ext (@_) {
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push @workset, "$base$ext";
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}
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}
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push @workset, $root;
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while (scalar @workset > 0) {
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my $fn = pop @workset;
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next if (defined $doneset{$fn});
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$doneset{$fn} = 1;
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if (!-e "$fn") {
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print STDERR "cannot access `$fn': $!\n" if !$!{ENOENT};
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next;
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}
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next unless -e "$fn";
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# Print out the full path *and* its relative path to $root.
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if (substr($fn, 0, length $path) eq $path) {
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my $relFN = substr($fn, (length $path) + 1);
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print OUT "$fn \"$relFN\"\n";
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} else {
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my $base = basename $fn;
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my $x = substr($fn, 0, length($store) + 1);
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if (substr($fn, 0, length($store) + 1) eq "$store/") {
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$base = substr($base, 33);
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}
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print OUT "$fn \"$base\"\n";
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}
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# If this is a TeX file, recursively find include in $fn.
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next unless $fn =~ /.tex$/ or $fn =~ /.ltx$/;
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open FILE, "< $fn" or die;
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while (<FILE>) {
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if (/\\input\{(.*)\}/) {
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my $fn2 = $1;
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die "absolute path! $fn2" if substr($fn2, 0, 1) eq "/";
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push @workset, "$path/$fn2.tex";
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push @workset, "$path/$fn2";
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} elsif (/\\usepackage(\[.*\])?\{(.*)\}/) {
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my $fn2 = $2;
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die "absolute path! $fn2" if substr($fn2, 0, 1) eq "/";
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push @workset, "$path/$fn2.sty";
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} elsif (/\\documentclass(\[.*\])?\{(.*)\}/) {
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my $fn2 = $2;
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die "absolute path! $fn2" if substr($fn2, 0, 1) eq "/";
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push @workset, "$path/$fn2.cls";
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} elsif (/\\bibliographystyle\{(.*)\}/) {
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my $fn2 = $1;
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die "absolute path! $fn2" if substr($fn2, 0, 1) eq "/";
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push @workset, "$path/$fn2.bst";
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} elsif (/\\bibliography\{(.*)\}/) {
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foreach my $bib (split /,/, $1) {
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$bib =~ s/^\s+//; # remove leading / trailing whitespace
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$bib =~ s/\s+$//;
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push @workset, "$path/$bib.bib";
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}
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} elsif (/\\includegraphics(\[.*\])?\{(.*)\}/) {
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my $fn2 = $2;
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die "absolute path! $fn2" if substr($fn2, 0, 1) eq "/";
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addToWorkSetExts("$path/$fn2", ".pdf", ".png", ".ps");
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} elsif (/\\pgfdeclareimage(\[.*\])?\{.*\}\{(.*)\}/) {
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my $fn2 = $2;
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die "absolute path! $fn2" if substr($fn2, 0, 1) eq "/";
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addToWorkSetExts("$path/$fn2", ".pdf", ".png", ".jpg");
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} elsif (/\\pgfimage(\[.*\])?\{(.*)\}/) {
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my $fn2 = $2;
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die "absolute path! $fn2" if substr($fn2, 0, 1) eq "/";
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addToWorkSetExts("$path/$fn2", ".pdf", ".png", ".jpg");
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}
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# !!! also support \usepackage
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}
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close FILE;
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}
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print OUT "]\n";
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close OUT;
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