* $HYDRA_DATA environment variable.

Dependencies

• [2] JFZNAYJX * Showing releases.
• [3] DQD7JMSU * Fix the terminology.
• [4] T7AHGVGM
• [5] 6BLUKEQ2 * Caching of "path" inputs, and fake a revision number for those.
• [6] 5QJP6JHS * Get dependencies from the database.
• [7] CURCK6C2
• [8] NREF6YOA * Don't start more builds concurrently than allowed for each system
• [9] SHBLLAVH * More global substitution.
• [10] L2E6EVE2 * Merged the Build and Job tables.
• [11] JK2QWPH6
• [12] TULPZ62Y * Perform builds in parallel.
• [13] 7YBYT2LQ
• [14] H7CNGK4O * Log evaluation errors etc. in the DB.
• [15] 2GK5DOU7 * Downloading closures.
• [16] N22GPKYT * Put info about logs / build products in the DB.
• [17] X27GNHDV * Basic job info in the database.
• [18] IK53RV4V
• [19] VVDQKVNL
• [20] B72GLND4
• [21] D7TT2BNK
• [22] WHAFVCEI
• [23] J5UVLXOK * Start of a basic Catalyst web interface.

Change contents

• replacement in src/Hydra/lib/Hydra/Controller/Root.pm at line 754
  [4.120]→[4.111:243](∅→∅)
  − return error($c, "Path " . $product->path . " is no longer available.") unless Hydra::Helper::Nix::isValidPath($product->path);
  [4.120]

  [4.260]
  + return error($c, "Path " . $product->path . " is no longer available.") unless isValidPath($product->path);
• edit in src/Hydra/lib/Hydra/Helper/Nix.pm at line 4
  [4.486]

  [4.486]
  + use Exporter;

  +

  + our @ISA = qw(Exporter);

  + our @EXPORT = qw(isValidPath getHydraPath getHydraDBPath openHydraDB);
• replacement in src/Hydra/lib/Hydra/Helper/Nix.pm at line 13
  [4.613]→[4.613:673](∅→∅)
  − return system("nix-store --check-validity $path") == 0;
  [4.613]

  [4.673]
  + return system("nix-store --check-validity $path 2> /dev/null") == 0;

  + }

  +

  +

  + sub getHydraPath {

  + my $dir = $ENV{HYDRA_DATA};

  + die "The HYDRA_DATA environment variable is not set!\n" unless defined $dir;

  + die "The HYDRA_DATA directory does not exist!\n" unless -d $dir;

  + return $dir;

  + }

  +

  +

  + sub getHydraDBPath {

  + my $path = getHydraPath . '/hydra.sqlite';

  + die "The Hydra database ($path) not exist!\n" unless -f $path;

  + return "dbi:SQLite:$path";
• replacement in src/Hydra/lib/Hydra/Helper/Nix.pm at line 32
  [4.677]→[4.677:680](∅→∅)
  − 1;
  [4.677]

  [4.680]
  + sub openHydraDB {

  + my $db = Hydra::Schema->connect(getHydraDBPath, "", "", {});

  + $db->storage->dbh->do("PRAGMA synchronous = OFF;");

  + return $db;

  + }
• edit in src/Hydra/lib/Hydra/Helper/Nix.pm at line 38
  [4.681]
  +

  + 1;
• edit in src/Hydra/lib/Hydra/Model/DB.pm at line 5
  [4.2784]

  [4.2784]
  + use Hydra::Helper::Nix;
• replacement in src/Hydra/lib/Hydra/Model/DB.pm at line 9
  [4.397]→[4.2851:2927](∅→∅),[4.2851]→[4.2851:2927](∅→∅)
  − connect_info => [

  − 'dbi:SQLite:../hydra.sqlite',

  −

  − ],
  [4.397]

  [4.2927]
  + connect_info => [getHydraDBPath],
• edit in src/Hydra/lib/Hydra.pm at line 5
  [4.7005]

  [4.7005]
  + use Hydra::Helper::Nix;
• replacement in src/Hydra/lib/Hydra.pm at line 24
  [4.4025]→[4.1392:1424](∅→∅),[4.1392]→[4.1392:1424](∅→∅)
  − default_view => "TT"

  − );
  [4.4025]

  [4.7262]
  + default_view => "TT",

  + session => {

  + storage => getHydraPath . "/session_data"

  + }

  + );
• replacement in src/Hydra/programs/Build.pl at line 7
  [4.73]→[4.2986:2987](∅→∅),[4.2986]→[4.2986:2987](∅→∅)
  −
  [4.73]

  [4.2987]
  + use Hydra::Helper::Nix;
• edit in src/Hydra/programs/Build.pl at line 9
  [4.2988]→[4.74:153](∅→∅)
  − my $db = Hydra::Schema->connect("dbi:SQLite:dbname=hydra.sqlite", "", "", {});
• replacement in src/Hydra/programs/Build.pl at line 10
  [4.155]→[4.155:207](∅→∅)
  − $db->storage->dbh->do("PRAGMA synchronous = OFF;");
  [4.155]

  [4.3075]
  + my $db = openHydraDB;
• edit in src/Hydra/programs/Build.pl at line 13
  [4.3077]→[4.3077:3194](∅→∅)
  − sub isValidPath {

  − my $path = shift;

  − return system("nix-store --check-validity $path 2> /dev/null") == 0;

  − }

  −

  −
• edit in src/Hydra/programs/Runner.pl at line 5
  [4.1564]

  [4.244]
  + use File::Basename;
• edit in src/Hydra/programs/Runner.pl at line 8
  [4.206]

  [4.7877]
  + use Hydra::Helper::Nix;
• replacement in src/Hydra/programs/Runner.pl at line 11
  [4.7879]→[4.207:286](∅→∅)
  − my $db = Hydra::Schema->connect("dbi:SQLite:dbname=hydra.sqlite", "", "", {});
  [4.7879]

  [4.265]
  + chdir getHydraPath or die;

  + my $db = openHydraDB;
• replacement in src/Hydra/programs/Runner.pl at line 14
  [4.266]→[4.266:318](∅→∅)
  − $db->storage->dbh->do("PRAGMA synchronous = OFF;");
  [4.266]

  [4.7966]
  + my $hydraHome = $ENV{"HYDRA_HOME"};

  + die "The HYDRA_HOME environment variable is not set!\n" unless defined $hydraHome;
• edit in src/Hydra/programs/Runner.pl at line 76
  [3.790]

  [4.60]
  + mkdir(dirname $logfile);
• replacement in src/Hydra/programs/Runner.pl at line 99
  [4.189]→[4.1720:1766](∅→∅),[4.502]→[4.1720:1766](∅→∅),[4.1766]→[4.548:652](∅→∅),[4.548]→[4.548:652](∅→∅),[4.652]→[4.330:436](∅→∅),[4.436]→[3.1396:1446](∅→∅)
  − open LOG, ">$logfile" or die;

  − POSIX::dup2(fileno(LOG), 1) or die;

  − POSIX::dup2(fileno(LOG), 2) or die;

  − exec("perl", "-IHydra/lib", "-w",

  − "./Hydra/programs/Build.pl", $id);

  − warn "cannot start build " . $id;
  [4.502]

  [4.2074]
  + eval {

  + open LOG, ">$logfile" or die "cannot create logfile $logfile";

  + POSIX::dup2(fileno(LOG), 1) or die;

  + POSIX::dup2(fileno(LOG), 2) or die;

  + exec("perl", "-I$hydraHome/lib", "-w", "$ENV{'HYDRA_HOME'}/programs/Build.pl", $id);

  + };

  + warn "cannot start build $id: $@";
• edit in src/Hydra/programs/Scheduler.pl at line 6
  [4.492]

  [4.1980]
  + use Hydra::Helper::Nix;
• edit in src/Hydra/programs/Scheduler.pl at line 10
  [4.1393]→[4.1393:1394](∅→∅),[4.1394]→[4.493:572](∅→∅)
  −

  − my $db = Hydra::Schema->connect("dbi:SQLite:dbname=hydra.sqlite", "", "", {});
• replacement in src/Hydra/programs/Scheduler.pl at line 11
  [4.915]→[4.915:967](∅→∅)
  − $db->storage->dbh->do("PRAGMA synchronous = OFF;");
  [4.915]

  [4.1424]
  + my $db = openHydraDB;
• edit in src/Hydra/programs/Scheduler.pl at line 14
  [4.1426]→[4.0:113](∅→∅),[4.3635]→[4.6681:6684](∅→∅),[4.6684]→[4.1995:1996](∅→∅)
  − sub isValidPath {

  − my $path = shift;

  − return system("nix-store --check-validity $path 2> /dev/null") == 0;

  − }

  −

  −
• replacement in src/Hydra/root/product-list.tt at line 29
  [2.4113]→[2.4113:4187](∅→∅)
  − product.path %]</tt>. If you get the error message “imported
  [2.4113]

  [2.4187]
  + product.path %]</tt>. You’ll probably also want to do

  +

  + <pre>nix-env -i [% product.path %]</pre>

  +

  + to actually install the package in your Nix user environment.</p>

  +

  + <p>If you get the error message “imported