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* The `fixedOutput' variable didn't get initialised when using a build 

hook, causing negative caching to fail randomly.
This commit is contained in:
Eelco Dolstra 2009-03-28 16:12:27 +00:00
parent 38f98b3282
commit f54e800366
1 changed files with 6 additions and 5 deletions
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11
src/libstore/build.cc
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@ -942,6 +942,11 @@ void DerivationGoal::inputsRealised()
allPaths.insert(inputPaths.begin(), inputPaths.end());
/* Is this a fixed-output derivation? */
fixedOutput = true;
foreach (DerivationOutputs::iterator, i, drv.outputs)
if (i->second.hash == "") fixedOutput = false;
/* Okay, try to build. Note that here we don't wait for a build
slot to become available, since we don't need one if there is a
build hook. */
@ -1479,11 +1484,7 @@ void DerivationGoal::startBuilder()
derivation, tell the builder, so that for instance `fetchurl'
can skip checking the output. On older Nixes, this environment
variable won't be set, so `fetchurl' will do the check. */
fixedOutput = true;
foreach (DerivationOutputs::iterator, i, drv.outputs)
if (i->second.hash == "") fixedOutput = false;
if (fixedOutput)
env["NIX_OUTPUT_CHECKED"] = "1";
if (fixedOutput) env["NIX_OUTPUT_CHECKED"] = "1";
/* *Only* if this is a fixed-output derivation, propagate the
values of the environment variables specified in the