nixos/nix
1
1
Fork 0
mirror of https://github.com/NixOS/nix.git synced 2025-11-26 12:10:59 +01:00
Code Activity

Fixed bug in build.cc All paths are now correctly scanned for the statpaths from the derivation inputs

Browse source
This commit is contained in:
Wouter den Breejen 2007-06-29 20:45:37 +00:00
parent c370c9f535
commit 1c3ec86c39
3 changed files with 92 additions and 36 deletions
Download patch file Download diff file Expand all files Collapse all files

93
src/libstore/build.cc
View file

@ -578,6 +578,10 @@ private:
/* All input paths (that is, the union of FS closures of the
immediate input paths). */
PathSet inputPaths;
/* All input-state-paths (that is, the union of FS closures of the
immediate input paths). */
PathSet inputStatePaths;
/* Referenceable paths (i.e., input and output paths). */
PathSet allPaths;
@ -773,12 +777,11 @@ void DerivationGoal::haveDerivation()
i != drv.outputs.end(); ++i)
store->addTempRoot(i->second.path);
//TODO !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Also add a temproot for state ????????????
/* Check what outputs paths are not already valid. */
PathSet invalidOutputs = checkPathValidity(false);
//Just before we build the drvs, we already put in the database which component path is a state component path
printMsg(lvlError, format("updateAllStateDerivations %1%") % drvPath);
/* If they are all valid, then we're done. */
if (invalidOutputs.size() == 0) {
amDone(ecSuccess);
@ -1303,7 +1306,11 @@ bool DerivationGoal::prepareBuild()
debug(format("building path `%1%'") % i->second.path);
allPaths.insert(i->second.path);
}
/* The state output is a referenceable path */
if(store->isStateDrv(drv))
allStatePaths.insert(drv.stateOutputs.find("state")->second.statepath);
/* Determine the full set of input paths. */
/* First, the input derivations. */
@ -1315,8 +1322,10 @@ bool DerivationGoal::prepareBuild()
assert(store->isValidPath(i->first));
Derivation inDrv = derivationFromPath(i->first);
for (StringSet::iterator j = i->second.begin(); j != i->second.end(); ++j)
if (inDrv.outputs.find(*j) != inDrv.outputs.end())
computeFSClosure(inDrv.outputs[*j].path, inputPaths, true, false); //TODO !!!!!!!!!!!!!!!!!!!!!!!!!!! WE (MAY) ALSO NEED TO COPY STATE
if (inDrv.outputs.find(*j) != inDrv.outputs.end()){
computeFSClosure(inDrv.outputs[*j].path, inputPaths, true, false); //TODO !!!!!!!!!!!!!!!!!!!!!!!!!!! WE (MAY) ALSO NEED TO COPY STATE (done?)
computeFSClosure(inDrv.outputs[*j].path, inputStatePaths, false, true); //TODO!!!!!!!!!!!!! HOW CAN THESE PATHS ALREADY BE VALID ..... ?????????????????????
}
else
throw BuildError(
format("derivation `%1%' requires non-existent output `%2%' from input derivation `%3%'")
@ -1324,12 +1333,16 @@ bool DerivationGoal::prepareBuild()
}
/* Second, the input sources. */
for (PathSet::iterator i = drv.inputSrcs.begin(); i != drv.inputSrcs.end(); ++i)
computeFSClosure(*i, inputPaths, true, false); //TODO !!!!!!!!!!!!!!!!!!!!!!!!!!! WE (MAY) ALSO NEED TO COPY STATE
for (PathSet::iterator i = drv.inputSrcs.begin(); i != drv.inputSrcs.end(); ++i){
computeFSClosure(*i, inputPaths, true, false); //TODO !!!!!!!!!!!!!!!!!!!!!!!!!!! WE (MAY) ALSO NEED TO COPY STATE (done?)
computeFSClosure(*i, inputStatePaths, false, true);
}
debug(format("added input paths %1%") % showPaths(inputPaths));
debug(format("added input state paths %1%") % showPaths(inputStatePaths));
allPaths.insert(inputPaths.begin(), inputPaths.end());
allStatePaths.insert(inputStatePaths.begin(), inputStatePaths.end());
return true;
}
@ -1629,12 +1642,15 @@ void DerivationGoal::computeClosure()
if(!drv.stateOutputs.find("state")->second.getCreateDirsBeforeInstall())
createStateDirs(drv.stateOutputDirs, drv.stateOutputs, drv.env);
for (PathSet::iterator i = allPaths.begin(); i != allPaths.end(); ++i)
printMsg(lvlError, format("allPaths: %1%") % *i);
for (PathSet::iterator i = allStatePaths.begin(); i != allStatePaths.end(); ++i)
printMsg(lvlError, format("allStatePaths: %1%") % *i);
/* Check whether the output paths were created, and grep each
output path to determine what other paths it references. Also make all
output paths read-only. */
for (DerivationOutputs::iterator i = drv.outputs.begin();
i != drv.outputs.end(); ++i)
for (DerivationOutputs::iterator i = drv.outputs.begin(); i != drv.outputs.end(); ++i)
{
Path path = i->second.path;
if (!pathExists(path)) {
@ -1688,6 +1704,10 @@ void DerivationGoal::computeClosure()
/* For this output path, find the references to other paths contained in it. */
PathSet references = scanForReferences(path, allPaths);
//TODO comment
PathSet output_state_references = scanForReferences(path, allStatePaths);
allStateReferences[path] = output_state_references;
/* For debugging, print out the referenced and unreferenced
paths. */
@ -1721,6 +1741,20 @@ void DerivationGoal::computeClosure()
contentHashes[path] = hashPath(htSHA256, path);
}
//Scan the state Path
/* For this state-output path, find the references to other paths contained in it.
* Get the state paths (instead of out paths) from all components, and then call
* scanForReferences().
*/
//If state is enabled: Seaches for state and component references in the state path
if(isStateDrvTxn(noTxn, drv)){ //TODO
Path statePath = drv.stateOutputs.find("state")->second.statepath;
printMsg(lvlTalkative, format("scanning for component and state references inside `%1%'") % statePath);
state_references = scanForReferences(statePath, allPaths);
state_stateReferences = scanForReferences(statePath, allStatePaths);
}
/* Register each output path as valid, and register the sets of
paths referenced by each of them. This is wrapped in one
database transaction to ensure that if we crash, either
@ -1739,14 +1773,34 @@ void DerivationGoal::computeClosure()
i != drv.outputs.end(); ++i)
{
//printMsg(lvlError, format("SetValidPath: %1%") % i->second.path);
/*
registerValidPath(txn, i->second.path,
contentHashes[i->second.path],
allReferences[i->second.path],
PathSet(), //dummy stateReferences
drvPath);*/
registerValidPath(txn,
i->second.path, //component path
contentHashes[i->second.path],
allReferences[i->second.path], //set of component-references
allStateReferences[i->second.path], //set of state-references
drvPath);
}
//Register the state path valid
if(isStateDrvTxn(txn, drv))
{
Path statePath = drv.stateOutputs.find("state")->second.statepath;
registerValidPath(txn,
statePath,
Hash(), //emtpy hash
state_references,
state_stateReferences,
drvPath);
}
/*
* We first register alls paths as valid, and only scan for component references.
* Now that those paths are registered as valid, we're able to call queryDeriversStatePath
@ -1757,7 +1811,11 @@ void DerivationGoal::computeClosure()
* If state is enabled for the path we:
* [scan for and state references and component references in the state path] //3,4
*/
//TODO REMOVE?
/*
PathSet allStatePaths2;
for (PathSet::const_iterator i = allPaths.begin(); i != allPaths.end(); i++){
Path componentPath = *i;
@ -1796,7 +1854,7 @@ void DerivationGoal::computeClosure()
/* For this state-output path, find the references to other paths contained in it.
* Get the state paths (instead of out paths) from all components, and then call
* scanForReferences().
*/
* /
//If state is enabled: Seaches for state and component references in the state path
if(isStateDrvTxn(txn, drv)){
Path statePath = drv.stateOutputs.find("state")->second.statepath;
@ -1828,10 +1886,9 @@ void DerivationGoal::computeClosure()
state_references,
state_stateReferences,
drvPath);
//TODO !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// WE NOW ONLY REGISTER COMPONETS PATHS WITH registerValidPath BUT WE SHOULD ALSO REGISTER STATE PAHTS AS VALID AND SET THEIR REFERENCES !!!!!!!!!!!!!!!!!!!!!!!
}
}
*/
txn.commit();