* Add a NarSize field to Hydra manifests. This allows nix-env

Dependencies

• [2] IGZ3IFSG * Escape `+', `=' and `?' in NAR URIS in manifests. Otherwise you get
• [3] UC3YQDZF * Don't access /nix/var/nix/db directly but use the Nix Perl bindings.
• [4] ZTQEU5QS Hydra: Add support for maxSilent meta attribute (also already added timeout, but not implemented the actual timeout for the build yet)
• [5] 5O6E5SU5 hydra: store logfile/output path/closure size
• [6] YT25ZGSZ
• [7] S3ZLZP3N * Cut off builds after half an hour of apparent inactivity. This
• [8] IN272KZW * Automatically keep all builds in the latest successful release in
• [9] WZ3AEJ67 * hydra_update_gc_roots.pl registers build outputs that should be kept
• [10] BDSD2JLV * Speed up manifest generation.
• [11] OG7BEM57
• [12] UMOJJ6DV time out to 3600 for now
• [13] GZAXDYBQ * Script for initialising the database.
• [14] 37R34XJO * Negative caching: don't perform a build if a dependency already
• [15] AFTXA575 * $HYDRA_DATA environment variable.
• [16] GAIBDEZZ * Store the name of the machine that performed a build step in the
• [17] 7YBYT2LQ
• [18] FHAVPTZ6 Hydra/23: added some X-headers with meta info in email notifications, added more descriptive status
• [19] DV33AJ23
• [20] CMU3YKOU * Store the release name.
• [21] BD3GRK4B * Get rid of "positive failures" and separate log phases.
• [22] 2IEFMER5 * Add --fallback to prevent problems with obsolete substitutes.
• [23] A63IHCMX * Register GC roots properly.
• [24] CLJQCY2X * Store info about all the build actions and allow them to be
• [25] BPVJBR2P * Only put Nix builds in the global channel.
• [26] 2JQ7WEFM
• [27] SAFVRDTK * Put Hydra's dependencies so that they can easily be installed in a
• [28] LZO3C2KI * Hack around those SQLite timeouts: just retry the transaction.
• [29] 2GK5DOU7 * Downloading closures.
• [30] DO432JDJ * Build Hydra with the Nix Perl bindings.
• [31] IWVA2P2Y * Generate manifests on demand. Next step: generate NAR archives on
• [*] NYC3LZKH * Generate NAR archives on the fly. Necessary for producing channels

Change contents

• replacement in deps.nix at line 11
  [7.141]→[6.0:90](∅→∅)
  − rev = 24765;

  − sha256 = "12ah8c8p9bx55hd17lhcfc74bd4r1677dxy0id3008pww1aklir7";
  [7.141]

  [7.231]
  + rev = 24774;

  + sha256 = "1akj695gpnbrjlnwd1gdnnnk7ppvpp1qsinjn04az7q6hjqzbm6p";
• replacement in src/lib/Hydra/Helper/Nix.pm at line 12
  [7.619]→[7.0:30](∅→∅)
  − isValidPath queryPathInfo
  [7.619]

  [7.536]
  + isValidPath
• edit in src/lib/Hydra/Helper/Nix.pm at line 26
  [7.79]→[7.79:121](∅→∅),[7.230]→[7.230:231](∅→∅),[7.231]→[3.47:177](∅→∅),[3.177]→[7.336:337](∅→∅),[7.336]→[7.336:337](∅→∅),[7.683]→[7.683:721](∅→∅),[7.374]→[7.298:302](∅→∅),[7.721]→[7.298:302](∅→∅),[7.298]→[7.298:302](∅→∅)
  − sub queryPathInfo {

  − my $path = shift;

  −

  − my $hash = Nix::queryPathHash($path);

  − my $deriver = Nix::queryDeriver($path);

  − my @refs = Nix::queryReferences($path);

  −

  − return ($hash, $deriver, \@refs);

  − }

  −

  −
• replacement in src/lib/Hydra/View/NixManifest.pm at line 24
  [7.1011]→[7.747:806](∅→∅)
  − my ($hash, $deriver, $refs) = queryPathInfo $path;
  [7.1011]

  [2.0]
  + my ($deriver, $hash, $time, $narSize, $refs) = Nix::queryPathInfo $path;
• edit in src/lib/Hydra/View/NixManifest.pm at line 43
  [33.482]

  [7.1588]
  + ($narSize != 0 ? " NarSize: $narSize\n" : "") .
• edit in src/script/hydra_build.pl.in at line 202
  [7.871]→[5.1263:1366](∅→∅)
  − sub getSize {

  − my $size = `du -bcs @_ 2> /dev/null | tail -1 | cut -f 1 `;

  − return int($size);

  − }
• replacement in src/script/hydra_build.pl.in at line 232
  [7.5001]→[7.0:52](∅→∅)
  − my $cmd = "nix-store --realise $drvPath " .
  [7.5001]

  [4.1198]
  + my $cmd = "nix-store -j1 --no-build-hook --realise $drvPath " .
• replacement in src/script/hydra_build.pl.in at line 370
  [7.4021]→[5.1410:1532](∅→∅)
  − my $logsize = defined $logfile ? getSize($logfile) : 0;

  − my $size = isValidPath($outPath) ? getSize($outPath) : 0;
  [7.4021]

  [5.1532]
  + my $logsize = defined $logfile ? stat($logfile)->size : 0;
• edit in src/script/hydra_build.pl.in at line 372
  [5.1533]

  [5.1533]
  + my $size = 0;
• edit in src/script/hydra_build.pl.in at line 374
  [5.1558]

  [5.1558]
  +
• replacement in src/script/hydra_build.pl.in at line 376
  [5.1591]→[5.1591:1703](∅→∅)
  − (my $hash, my $deriver, my $refs) = queryPathInfo($outPath) ;

  − $closuresize = getSize(@{$refs});
  [5.1591]

  [5.1703]
  + my ($deriver, $hash, $time, $narSize, $refs) = Nix::queryPathInfo($outPath);

  + $size = $narSize;

  +

  + my @closure = Nix::computeFSClosure(0, 0, $outPath);

  + foreach my $path (@closure) {

  + my ($deriver, $hash, $time, $narSize, $refs) = Nix::queryPathInfo($path);

  + $closuresize += $narSize;

  + }