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* Add a programs.sqlite to the NixOS channel (for missing

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command suggestions in NixOS).


git-svn-id: https://nixos.org/repos/nix/release/trunk/channels@34697 70bd8c7a-acb8-0310-9f0d-9cc1c95dcdbb
This commit is contained in:
Eelco Dolstra 2013-03-25 13:17:47 +00:00
parent 13c9841c25
commit e468488a13
2 changed files with 65 additions and 0 deletions
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57
generate-programs-index.pl Executable file
View file

@ -0,0 +1,57 @@
#! /run/current-system/sw/bin/perl -w
use strict;
use DBI;
use DBD::SQLite;
my $nixExprs = $ARGV[0] or die;
my $dbPath = $ARGV[1] or die;
my $dbh = DBI->connect("dbi:SQLite:dbname=$dbPath", "", "")
or die "cannot open database `$dbPath'";
$dbh->{RaiseError} = 1;
$dbh->{PrintError} = 0;
$dbh->do(<<EOF);
create table if not exists Programs (
name text not null,
system text not null,
package text not null,
primary key (name, system, package)
);
EOF
my $insertProgram = $dbh->prepare("insert or replace into Programs(name, system, package) values (?, ?, ?)");
$dbh->begin_work;
sub process_dir {
my ($system, $pkgname, $dir) = @_;
return unless -d $dir;
print STDERR "indexing $dir\n";
opendir DH, "$dir" or die "opening $dir";
for my $program (readdir DH) {
next if substr($program, 0, 1) eq ".";
$insertProgram->execute($program, $system, $pkgname);
}
closedir DH;
}
for my $system ("x86_64-linux", "i686-linux") {
print STDERR "indexing programs for $system...\n";
my $out = `nix-env -f $nixExprs -qa \\* --out-path --argstr system $system`;
die "cannot evaluate Nix expressions for $system" if $? != 0;
foreach my $line (split "\n", $out) {
my ($name, $outPath) = split ' ', $line;
die unless $name && $outPath;
next unless -d $outPath;
my $pkgname = $name;
$pkgname =~ s/-\d.*//;
process_dir($system, $pkgname, "$outPath/bin");
process_dir($system, $pkgname, "$outPath/sbin");
}
}
$dbh->commit;

8
mirror-nixos.sh
View file

@ -37,6 +37,14 @@ else
/data/releases/binary-cache http://nixos.org/binary-cache \
/data/releases/patches/all-patches "$url/nixos.channel/download/1"
# Generate the programs.sqlite database and put it in nixexprs.tar.xz.
mkdir $tmpDir/unpack
tar xfJ $tmpDir/nixexprs.tar.xz -C $tmpDir/unpack
exprDir=$(echo $tmpDir/unpack/*)
./generate-programs-index.pl "$exprDir" "$exprDir/programs.sqlite"
tar cfJ $tmpDir/nixexprs.tar.xz -C $tmpDir/unpack "$(basename "$exprDir")"
rm -rf $tmpDir/unpack
mv $tmpDir $releaseDir
fi