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Fixed exportBuildReferenceGraph

This commit is contained in:
Michael Raskin 2008-01-15 04:32:08 +00:00
parent 7d0f6aed59
commit 5eb5c23447
2 changed files with 77 additions and 12 deletions
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18
src/libexpr/primops.cc
View File

@ -949,6 +949,20 @@ static Expr prim_unsafeDiscardStringContext(EvalState & state, const ATermVector
return makeStr(s, PathSet());
}
static Expr prim_ExprToString ( EvalState & state, const ATermVector & args)
{
return makeStr ( atPrint ( evalExpr ( state, args [ 0 ] ) ) );
}
static Expr prim_StringToExpr ( EvalState & state, const ATermVector & args)
{
string s;
PathSet l;
if (! matchStr ( evalExpr ( state, args[0] ), s, l )) {
throw EvalError("__stringToExpr needs string argument!");
}
return toATerm ( s );
}
/*************************************************************
* Primop registration
@ -975,6 +989,10 @@ void EvalState::addPrimOps()
addPrimOp("throw", 1, prim_throw);
addPrimOp("__getEnv", 1, prim_getEnv);
addPrimOp("__trace", 2, prim_trace);
// Expr <-> String
addPrimOp("__exprToString", 1, prim_ExprToString);
addPrimOp("__stringToExpr", 1, prim_StringToExpr);
addPrimOp("relativise", 2, prim_relativise);

71
src/libstore/build.cc
View File

@ -100,6 +100,7 @@ protected:
{
nrFailed = 0;
exitCode = ecBusy;
forceInputs = false;
}
virtual ~Goal()
@ -107,6 +108,8 @@ protected:
trace("goal destroyed");
}
bool forceInputs;
public:
virtual void work() = 0;
@ -141,6 +144,11 @@ public:
(important!), etc. */
virtual void cancel() = 0;
void setForceInputs(bool x)
{
forceInputs = x;
}
protected:
void amDone(ExitCode result);
};
@ -745,7 +753,7 @@ public:
{
return drvPath;
}
private:
/* The states. */
void init();
@ -812,7 +820,6 @@ DerivationGoal::DerivationGoal(const Path & drvPath, Worker & worker)
trace("created");
}
DerivationGoal::~DerivationGoal()
{
/* Careful: we should never ever throw an exception from a
@ -825,7 +832,6 @@ DerivationGoal::~DerivationGoal()
}
}
void DerivationGoal::killChild()
{
if (pid != -1) {
@ -905,8 +911,10 @@ void DerivationGoal::haveDerivation()
/* If they are all valid, then we're done. */
if (invalidOutputs.size() == 0) {
amDone(ecSuccess);
return;
if(! forceInputs) {
amDone(ecSuccess);
return;
}
}
/* If this is a fixed-output derivation, it is possible that some
@ -950,8 +958,10 @@ void DerivationGoal::outputsSubstituted()
nrFailed = 0;
if (checkPathValidity(false).size() == 0) {
amDone(ecSuccess);
return;
if (! forceInputs){
amDone(ecSuccess);
return;
}
}
/* Otherwise, at least one of the output paths could not be
@ -960,13 +970,43 @@ void DerivationGoal::outputsSubstituted()
/* The inputs must be built before we can build this goal. */
/* !!! but if possible, only install the paths that we need */
for (DerivationInputs::iterator i = drv.inputDrvs.begin();
i != drv.inputDrvs.end(); ++i)
addWaitee(worker.makeDerivationGoal(i->first));
i != drv.inputDrvs.end(); ++i){
GoalPtr newGoal = worker.makeDerivationGoal(i->first);
newGoal->setForceInputs(forceInputs);
addWaitee(newGoal);
}
for (PathSet::iterator i = drv.inputSrcs.begin();
i != drv.inputSrcs.end(); ++i)
addWaitee(worker.makeSubstitutionGoal(*i));
/* Actually, I do some work twice just to be on the safe side */
string s = drv.env["exportBuildReferencesGraph"];
Strings ss = tokenizeString(s);
if (ss.size() % 2 !=0)
throw BuildError(format("odd number of tokens in `exportBuildReferencesGraph': `%1%'") % s);
for (Strings::iterator i = ss.begin(); i != ss.end(); ) {
string fileName = *i++;
Path storePath=*i++;
if (!isInStore(storePath))
throw BuildError(format("`exportBuildReferencesGraph' contains a non-store path `%1%'")
% storePath);
storePath = toStorePath(storePath);
if (!store->isValidPath(storePath))
throw BuildError(format("`exportBuildReferencesGraph' contains an invalid path `%1%'")
% storePath);
/* Build-time closure should be in dependencies
* We really want just derivation, its closure
* and outputs. Looks like we should build it.
* */
GoalPtr newGoal = worker.makeDerivationGoal(storePath);
newGoal->setForceInputs(true);
addWaitee(newGoal);
}
state = &DerivationGoal::inputsRealised;
}
@ -984,6 +1024,12 @@ void DerivationGoal::inputsRealised()
return;
}
/* Maybe we just wanted to force build of inputs */
if (checkPathValidity(false).size() == 0) {
amDone(ecSuccess);
return;
}
/* 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. */
@ -1623,7 +1669,7 @@ void DerivationGoal::startBuilder()
s = drv.env["exportBuildReferencesGraph"];
ss = tokenizeString(s);
if (ss.size() % 2 != 0)
throw BuildError(format("odd number of tokens in `exportReferencesGraph': `%1%'") % s);
throw BuildError(format("odd number of tokens in `exportBuildReferencesGraph': `%1%'") % s);
for (Strings::iterator i = ss.begin(); i != ss.end(); ) {
string fileName = *i++;
checkStoreName(fileName); /* !!! abuse of this function */
@ -1631,11 +1677,11 @@ void DerivationGoal::startBuilder()
/* Check that the store path is valid. */
Path storePath = *i++;
if (!isInStore(storePath))
throw BuildError(format("`exportReferencesGraph' contains a non-store path `%1%'")
throw BuildError(format("`exportBuildReferencesGraph' contains a non-store path `%1%'")
% storePath);
storePath = toStorePath(storePath);
if (!store->isValidPath(storePath))
throw BuildError(format("`exportReferencesGraph' contains an invalid path `%1%'")
throw BuildError(format("`exportBuildReferencesGraph' contains an invalid path `%1%'")
% storePath);
/* Write closure info to `fileName'. */
@ -1648,6 +1694,7 @@ void DerivationGoal::startBuilder()
for (DerivationOutputs::iterator k=deriv.outputs.begin();
k != deriv.outputs.end(); k++) {
refs.insert(k->second.path);
}
}
}