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* Simplification: registerSubstitutes -> registerSubstitute. We no

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longer need the former since there we no longer have the
  substitutes-rev table (which triggered a O(n^2) cost in updating
  them).
This commit is contained in:
Eelco Dolstra 2005-01-25 20:27:40 +00:00
parent a9340fa672
commit 2a2756b856
4 changed files with 12 additions and 24 deletions
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1
src/libstore/build.cc
View file

@ -887,7 +887,6 @@ bool DerivationGoal::prepareBuild()
/* Add the relevant output closures of the input derivation /* Add the relevant output closures of the input derivation
`*i' as input paths. Only add the closures of output paths `*i' as input paths. Only add the closures of output paths
that are specified as inputs. */ that are specified as inputs. */
/* !!! is `*i' present? */
assert(isValidPath(i->first)); assert(isValidPath(i->first));
Derivation inDrv = derivationFromPath(i->first); Derivation inDrv = derivationFromPath(i->first);
for (StringSet::iterator j = i->second.begin(); for (StringSet::iterator j = i->second.begin();

11
src/libstore/store.cc
View file

@ -331,15 +331,9 @@ static void writeSubstitutes(const Transaction & txn,
} }
void registerSubstitutes(const Transaction & txn, void registerSubstitute(const Transaction & txn,
const SubstitutePairs & subPairs) const Path & srcPath, const Substitute & sub)
{ {
for (SubstitutePairs::const_iterator i = subPairs.begin();
i != subPairs.end(); ++i)
{
const Path & srcPath(i->first);
const Substitute & sub(i->second);
assertStorePath(srcPath); assertStorePath(srcPath);
Substitutes subs = readSubstitutes(txn, srcPath); Substitutes subs = readSubstitutes(txn, srcPath);
@ -351,7 +345,6 @@ void registerSubstitutes(const Transaction & txn,
writeSubstitutes(txn, srcPath, subs); writeSubstitutes(txn, srcPath, subs);
} }
}
Substitutes querySubstitutes(const Path & srcPath) Substitutes querySubstitutes(const Path & srcPath)

5
src/libstore/store.hh
View file

@ -41,9 +41,8 @@ void createStoreTransaction(Transaction & txn);
void copyPath(const Path & src, const Path & dst); void copyPath(const Path & src, const Path & dst);
/* Register a substitute. */ /* Register a substitute. */
typedef list<pair<Path, Substitute> > SubstitutePairs; void registerSubstitute(const Transaction & txn,
void registerSubstitutes(const Transaction & txn, const Path & srcPath, const Substitute & sub);
const SubstitutePairs & subPairs);
/* Return the substitutes for the given path. */ /* Return the substitutes for the given path. */
Substitutes querySubstitutes(const Path & srcPath); Substitutes querySubstitutes(const Path & srcPath);

5
src/nix-store/main.cc
View file

@ -170,7 +170,6 @@ static void opSubstitute(Strings opFlags, Strings opArgs)
if (!opArgs.empty()) if (!opArgs.empty())
throw UsageError("no arguments expected"); throw UsageError("no arguments expected");
SubstitutePairs subPairs;
Transaction txn; Transaction txn;
createStoreTransaction(txn); createStoreTransaction(txn);
@ -196,12 +195,10 @@ static void opSubstitute(Strings opFlags, Strings opArgs)
references.insert(s); references.insert(s);
} }
if (!cin || cin.eof()) throw Error("missing input"); if (!cin || cin.eof()) throw Error("missing input");
subPairs.push_back(pair<Path, Substitute>(srcPath, sub)); registerSubstitute(txn, srcPath, sub);
setReferences(txn, srcPath, references); setReferences(txn, srcPath, references);
} }
registerSubstitutes(txn, subPairs);
txn.commit(); txn.commit();
} }