Try harder to find build logs
Due to the fixed-output derivation hashing scheme, there can be multiple derivations of the same output path. But build logs are indexed by derivation path. Thus, we may not be able to find the log of a build or build step using its derivation. So as a fallback, Hydra now looks for other derivations with the same output paths.
This commit is contained in:
Eelco Dolstra
parent
559a98cfee
commit
fd7e37ef89
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@ -35,18 +35,18 @@ sub buildChain :Chained('/') :PathPart('build') :CaptureArgs(1) {
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sub findBuildStepByOutPath {
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my ($self, $c, $path, $status) = @_;
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my ($self, $c, $path) = @_;
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return $c->model('DB::BuildSteps')->search(
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{ path => $path, busy => 0, status => $status },
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{ join => ["buildstepoutputs"], order_by => ["stopTime"], limit => 1 })->single;
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{ path => $path, busy => 0 },
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{ join => ["buildstepoutputs"], order_by => ["status", "stopTime"], rows => 1 })->single;
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}
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sub findBuildStepByDrvPath {
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my ($self, $c, $drvPath, $status) = @_;
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my ($self, $c, $drvPath) = @_;
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return $c->model('DB::BuildSteps')->search(
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{ drvpath => $drvPath, busy => 0, status => $status },
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{ order_by => ["stopTime"], limit => 1 })->single;
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{ drvpath => $drvPath, busy => 0 },
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{ order_by => ["status", "stopTime"], rows => 1 })->single;
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}
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@ -68,8 +68,7 @@ sub build_GET {
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if ($build->finished && $build->iscachedbuild) {
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my $path = ($build->buildoutputs)[0]->path or die;
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my $cachedBuildStep = findBuildStepByOutPath($self, $c, $path,
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$build->buildstatus == 0 || $build->buildstatus == 6 ? 0 : 1);
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my $cachedBuildStep = findBuildStepByOutPath($self, $c, $path);
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$c->stash->{cachedBuild} = $cachedBuildStep->build if defined $cachedBuildStep;
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}
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@ -95,9 +94,9 @@ sub build_GET {
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# Get the first eval of which this build was a part.
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($c->stash->{nrEvals}) = $c->stash->{build}->jobsetevals->search({ hasnewbuilds => 1 })->count;
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($c->stash->{eval}) = $c->stash->{build}->jobsetevals->search(
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$c->stash->{eval} = $c->stash->{build}->jobsetevals->search(
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{ hasnewbuilds => 1},
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{ limit => 1, order_by => ["id"] });
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{ rows => 1, order_by => ["id"] })->single;
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$self->status_ok(
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$c,
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entity => $c->model('DB::Builds')->find($build->id,{
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@ -132,26 +131,27 @@ sub view_nixlog : Chained('buildChain') PathPart('nixlog') {
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$c->stash->{step} = $step;
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showLog($c, $step->drvpath, $mode);
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showLog($c, $mode, $step->drvpath, map { $_->path } $step->buildstepoutputs->all);
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}
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sub view_log : Chained('buildChain') PathPart('log') {
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my ($self, $c, $mode) = @_;
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showLog($c, $c->stash->{build}->drvpath, $mode);
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showLog($c, $mode, $c->stash->{build}->drvpath, map { $_->path } $c->stash->{build}->buildoutputs->all);
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}
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sub showLog {
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my ($c, $drvPath, $mode) = @_;
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my ($c, $mode, $drvPath, @outPaths) = @_;
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my $logPath = getDrvLogPath($drvPath);
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my $logPath = findLog($c, $drvPath, @outPaths);
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print STDERR "log = $logPath\n";
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notFound($c, "The build log of derivation ‘$drvPath’ is not available.") unless defined $logPath;
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if (!$mode) {
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# !!! quick hack
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my $pipeline = "nix-store -l $drvPath"
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my $pipeline = ($logPath =~ /.bz2$/ ? "bzip2 -d < $logPath" : "cat $logPath")
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. " | nix-log2xml | xsltproc " . $c->path_to("xsl/mark-errors.xsl") . " -"
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. " | xsltproc " . $c->path_to("xsl/log2html.xsl") . " - | tail -n +2";
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$c->stash->{template} = 'log.tt';
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@ -159,7 +159,7 @@ sub showLog {
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}
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elsif ($mode eq "raw") {
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$c->stash->{'plain'} = { data => (scalar logContents($drvPath)) || " " };
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$c->stash->{'plain'} = { data => (scalar logContents($logPath)) || " " };
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$c->forward('Hydra::View::Plain');
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}
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@ -169,12 +169,12 @@ sub showLog {
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$c->stash->{url} = $url;
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$c->stash->{reload} = !$c->stash->{build}->finished && $c->stash->{build}->busy;
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$c->stash->{title} = "";
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$c->stash->{contents} = (scalar logContents($drvPath, 50)) || " ";
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$c->stash->{contents} = (scalar logContents($logPath, 50)) || " ";
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$c->stash->{template} = 'plain-reload.tt';
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}
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elsif ($mode eq "tail") {
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$c->stash->{'plain'} = { data => (scalar logContents($drvPath, 50)) || " " };
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$c->stash->{'plain'} = { data => (scalar logContents($logPath, 50)) || " " };
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$c->forward('Hydra::View::Plain');
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}
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@ -361,8 +361,8 @@ sub getDependencyGraph {
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{ path => $path
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, name => $name
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, buildStep => $runtime
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? findBuildStepByOutPath($self, $c, $path, 0)
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: findBuildStepByDrvPath($self, $c, $path, 0)
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? findBuildStepByOutPath($self, $c, $path)
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: findBuildStepByDrvPath($self, $c, $path)
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};
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$$done{$path} = $node;
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my @refs;
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@ -16,7 +16,7 @@ our @EXPORT = qw(
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getPrimaryBuildsForView
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getPrimaryBuildTotal
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getViewResult getLatestSuccessfulViewResult
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jobsetOverview removeAsciiEscapes getDrvLogPath logContents
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jobsetOverview removeAsciiEscapes getDrvLogPath findLog logContents
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getMainOutput
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getEvals getMachines
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pathIsInsidePrefix
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@ -264,10 +264,36 @@ sub getDrvLogPath {
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}
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# Find the log of the derivation denoted by $drvPath. It it doesn't
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# exist, try other derivations that produced its outputs (@outPaths).
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sub findLog {
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my ($c, $drvPath, @outPaths) = @_;
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if (defined $drvPath) {
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my $logPath = getDrvLogPath($drvPath);
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return $logPath if defined $logPath;
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}
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return undef if scalar @outPaths == 0;
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my @steps = $c->model('DB::BuildSteps')->search(
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{ path => { -in => [@outPaths] } },
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{ select => ["drvpath"]
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, distinct => 1
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, join => "buildstepoutputs"
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});
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foreach my $step (@steps) {
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my $logPath = getDrvLogPath($step->drvpath);
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return $logPath if defined $logPath;
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}
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return undef;
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}
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sub logContents {
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my ($drvPath, $tail) = @_;
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my $logPath = getDrvLogPath($drvPath);
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die unless defined $logPath;
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my ($logPath, $tail) = @_;
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my $cmd;
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if ($logPath =~ /.bz2$/) {
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$cmd = "bzip2 -d < $logPath";
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@ -8,7 +8,7 @@ __PACKAGE__->config(
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TEMPLATE_EXTENSION => '.tt',
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PRE_CHOMP => 1,
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POST_CHOMP => 1,
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expose_methods => [qw/log_exists ellipsize/]);
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expose_methods => [qw/log_exists buildLogExists buildStepLogExists/]);
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sub log_exists {
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my ($self, $c, $drvPath) = @_;
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@ -16,9 +16,16 @@ sub log_exists {
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return defined $x;
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}
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sub ellipsize {
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my ($self, $c, $s, $n) = @_;
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return length $s <= $n ? $s : substr($s, 0, $n - 3) . "...";
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sub buildLogExists {
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my ($self, $c, $build) = @_;
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my @outPaths = map { $_->path } $build->buildoutputs->all;
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return defined findLog($c, $build->drvpath, @outPaths);
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}
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sub buildStepLogExists {
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my ($self, $c, $step) = @_;
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my @outPaths = map { $_->path } $step->buildstepoutputs->all;
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return defined findLog($c, $step->drvpath, @outPaths);
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}
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1;
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@ -23,7 +23,7 @@
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<tbody>
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[% FOREACH step IN build.buildsteps %]
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[% IF ( type == "All" ) || ( type == "Failed" && step.status != 0 ) || ( type == "Running" && step.busy == 1 ) %]
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[% has_log = log_exists(step.drvpath);
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[% has_log = buildStepLogExists(step);
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log = c.uri_for('/build' build.id 'nixlog' step.stepnr); %]
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<tr>
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<td>[% step.stepnr %]</td>
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@ -177,7 +177,7 @@
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finished at [% INCLUDE renderDateTime timestamp = actualBuild.stoptime %]</td>
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</tr>
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[% END %]
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[% IF !isAggregate && log_exists(build.drvpath) %]
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[% IF !isAggregate && buildLogExists(build) %]
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<tr>
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<th>Logfile:</th>
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<td>
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@ -12,7 +12,7 @@
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<span id="[% done.${node.path} %]"><span class="dep-tree-line">
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[% IF node.buildStep %]
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<a href="[% c.uri_for('/build' node.buildStep.get_column('build')) %]"><tt>[% node.name %]</tt></a> [%
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IF log_exists(node.buildStep.drvpath);
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IF buildStepLogExists(node.buildStep);
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INCLUDE renderLogLinks url=c.uri_for('/build' node.buildStep.get_column('build') 'nixlog' node.buildStep.stepnr);
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END %]
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[% ELSE %]
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