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Added beginnnings of getStatePathClosure and GetDrv in local-store.cc, next: setting up variables in nix-state to recursively commit state

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This commit is contained in:
Wouter den Breejen 2007-05-29 15:42:44 +00:00
parent fbd1b78a9d
commit cbd0d39583
13 changed files with 210 additions and 79 deletions
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75
src/libstore/local-store.cc
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@ -8,6 +8,9 @@
#include "aterm.hh"
#include "derivations-ast.hh"
#include "worker-protocol.hh"
#include "derivations.hh"
#include "misc.hh"
#include <iostream>
#include <algorithm>
@ -1107,7 +1110,7 @@ void setStatePathsInterval(const PathSet & statePaths, const vector<int> & inter
int n=0;
for (PathSet::iterator i = statePaths.begin(); i != statePaths.end(); ++i)
{
printMsg(lvlError, format("PATH: %1%") % *i);
printMsg(lvlError, format("Set interval of PATH: %1%") % *i);
int interval=0;
if(!allZero)
@ -1127,19 +1130,21 @@ void LocalStore::setStatePathsInterval(const PathSet & statePaths, const vector<
vector<int> getStatePathsInterval(const PathSet & statePaths)
{
Transaction txn(nixDB); //TODO should u do a transaction here? ... this might delay the process ...
string data;
Paths referers;
vector<int> intervals;
string data;
for (PathSet::iterator i = statePaths.begin(); i != statePaths.end(); ++i){
for (PathSet::iterator i = statePaths.begin(); i != statePaths.end(); ++i)
{
nixDB.queryString(txn, dbStateCounters, *i, data);
printMsg(lvlError, format("Data %1%") % data);
}
txn.commit();
printMsg(lvlError, format("Data %1%") % data); //TODO
}
txn.commit();
return intervals;
}
@ -1149,6 +1154,58 @@ vector<int> LocalStore::getStatePathsInterval(const PathSet & statePaths)
}
Derivation getStateDerivation(const Path & path)
{
Transaction txn(nixDB); //TODO should u do a transaction here? ... this might delay the process ...
string data;
//Get derivations of references
nixDB.queryString(txn, dbDerivers, path, data);
printMsg(lvlError, format("DERIVERS %1%") % data);
txn.commit();
Derivation drv = derivationFromPath(data);
if(drv.stateOutputs.size() == 0)
throw Error(format("This path is not a state derivation: `%1%'") % path);
return drv;
}
Derivation LocalStore::getStateDerivation(const Path & path)
{
return nix::getStateDerivation(path);
}
//TODO direct or all recursive parameter
//TODO check if these are state components
PathSet getStateReferencesClosure(const Path & path)
{
Transaction txn(nixDB); //TODO should u do a transaction here? ... this might delay the process ...
Strings data;
PathSet paths;
Paths referencesKeys;
nixDB.queryStrings(txn, dbReferences, path, data);
for (Strings::iterator i = data.begin(); i != data.end(); ++i)
{
//printMsg(lvlError, format("References: `%1%'") % *i);
paths.insert(*i);
}
txn.commit();
return paths;
}
PathSet LocalStore::getStateReferencesClosure(const Path & path)
{
return nix::getStateReferencesClosure(path);
}
/* Upgrade from schema 1 (Nix <= 0.7) to schema 2 (Nix >= 0.8). */
static void upgradeStore07()