58 lines
1.5 KiB
Perl
58 lines
1.5 KiB
Perl
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#! /run/current-system/sw/bin/perl -w
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use strict;
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use DBI;
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use DBD::SQLite;
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my $nixExprs = $ARGV[0] or die;
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my $dbPath = $ARGV[1] or die;
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my $dbh = DBI->connect("dbi:SQLite:dbname=$dbPath", "", "")
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or die "cannot open database `$dbPath'";
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$dbh->{RaiseError} = 1;
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$dbh->{PrintError} = 0;
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$dbh->do(<<EOF);
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create table if not exists Programs (
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name text not null,
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system text not null,
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package text not null,
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primary key (name, system, package)
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);
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EOF
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my $insertProgram = $dbh->prepare("insert or replace into Programs(name, system, package) values (?, ?, ?)");
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$dbh->begin_work;
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sub process_dir {
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my ($system, $pkgname, $dir) = @_;
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return unless -d $dir;
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print STDERR "indexing $dir\n";
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opendir DH, "$dir" or die "opening $dir";
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for my $program (readdir DH) {
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next if substr($program, 0, 1) eq ".";
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$insertProgram->execute($program, $system, $pkgname);
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}
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closedir DH;
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}
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for my $system ("x86_64-linux", "i686-linux") {
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print STDERR "indexing programs for $system...\n";
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my $out = `nix-env -f $nixExprs -qa \\* --out-path --argstr system $system`;
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die "cannot evaluate Nix expressions for $system" if $? != 0;
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foreach my $line (split "\n", $out) {
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my ($name, $outPath) = split ' ', $line;
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die unless $name && $outPath;
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next unless -d $outPath;
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my $pkgname = $name;
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$pkgname =~ s/-\d.*//;
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process_dir($system, $pkgname, "$outPath/bin");
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process_dir($system, $pkgname, "$outPath/sbin");
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}
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}
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$dbh->commit;
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