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Merge pull request #2802 from LnL7/fix-needs-hashrewrite

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build: move needsHashRewrite initialization to startBuilder
This commit is contained in:
Eelco Dolstra 2019-05-13 08:53:48 +02:00 committed by GitHub
parent d5c95e2b14 ce02fc74b2
commit 5f6840fbb4
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 19 additions and 12 deletions
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28
src/libstore/build.cc
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@ -825,9 +825,6 @@ private:
/* Whether we're currently doing a chroot build. */ /* Whether we're currently doing a chroot build. */
bool useChroot = false; bool useChroot = false;
/* Whether we need to perform hash rewriting if there are valid output paths. */
bool needsHashRewrite;
Path chrootRootDir; Path chrootRootDir;
/* RAII object to delete the chroot directory. */ /* RAII object to delete the chroot directory. */
@ -907,6 +904,9 @@ public:
Worker & worker, BuildMode buildMode = bmNormal); Worker & worker, BuildMode buildMode = bmNormal);
~DerivationGoal(); ~DerivationGoal();
/* Whether we need to perform hash rewriting if there are valid output paths. */
bool needsHashRewrite();
void timedOut() override; void timedOut() override;
string key() override string key() override
@ -1019,13 +1019,6 @@ DerivationGoal::DerivationGoal(const Path & drvPath, const StringSet & wantedOut
, wantedOutputs(wantedOutputs) , wantedOutputs(wantedOutputs)
, buildMode(buildMode) , buildMode(buildMode)
{ {
#if __linux__
needsHashRewrite = !useChroot;
#else
/* Darwin requires hash rewriting even when sandboxing is enabled. */
needsHashRewrite = true;
#endif
state = &DerivationGoal::getDerivation; state = &DerivationGoal::getDerivation;
name = (format("building of '%1%'") % drvPath).str(); name = (format("building of '%1%'") % drvPath).str();
trace("created"); trace("created");
@ -1066,6 +1059,17 @@ DerivationGoal::~DerivationGoal()
} }
inline bool DerivationGoal::needsHashRewrite()
{
#if __linux__
return !useChroot;
#else
/* Darwin requires hash rewriting even when sandboxing is enabled. */
return true;
#endif
}
void DerivationGoal::killChild() void DerivationGoal::killChild()
{ {
if (pid != -1) { if (pid != -1) {
@ -2105,7 +2109,7 @@ void DerivationGoal::startBuilder()
#endif #endif
} }
if (needsHashRewrite) { if (needsHashRewrite()) {
if (pathExists(homeDir)) if (pathExists(homeDir))
throw Error(format("directory '%1%' exists; please remove it") % homeDir); throw Error(format("directory '%1%' exists; please remove it") % homeDir);
@ -3088,7 +3092,7 @@ void DerivationGoal::registerOutputs()
if (buildMode != bmCheck) actualPath = worker.store.toRealPath(path); if (buildMode != bmCheck) actualPath = worker.store.toRealPath(path);
} }
if (needsHashRewrite) { if (needsHashRewrite()) {
Path redirected = redirectedOutputs[path]; Path redirected = redirectedOutputs[path];
if (buildMode == bmRepair if (buildMode == bmRepair
&& redirectedBadOutputs.find(path) != redirectedBadOutputs.end() && redirectedBadOutputs.find(path) != redirectedBadOutputs.end()

3
tests/linux-sandbox.sh
View file

@ -25,3 +25,6 @@ nix path-info -r $outPath | grep input-2
nix ls-store -R -l $outPath | grep foobar nix ls-store -R -l $outPath | grep foobar
nix cat-store $outPath/foobar | grep FOOBAR nix cat-store $outPath/foobar | grep FOOBAR
# Test --check without hash rewriting.
nix-build dependencies.nix --no-out-link --check --sandbox-paths /nix/store