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Replace hasSubstitutes() with querySubstitutablePaths()

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querySubstitutablePaths() takes a set of paths, so this greatly
reduces daemon <-> client latency.
This commit is contained in:
Eelco Dolstra 2012-07-11 17:52:18 -04:00
parent 58ef4d9a95
commit 09a6321aeb
8 changed files with 52 additions and 24 deletions
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10
src/nix-env/nix-env.cc
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@ -211,9 +211,12 @@ static int comparePriorities(EvalState & state,
static bool isPrebuilt(EvalState & state, const DrvInfo & elem)
{
assert(false);
#if 0
return
store->isValidPath(elem.queryOutPath(state)) ||
store->hasSubstitutes(elem.queryOutPath(state));
#endif
}
@ -931,8 +934,7 @@ static void opQuery(Globals & globals,
/* Query which paths have substitutes. */
SubstitutablePathInfos subs;
PathSet validPaths;
PathSet validPaths, substitutablePaths;
if (printStatus) {
PathSet paths;
foreach (vector<DrvInfo>::iterator, i, elems2)
@ -943,7 +945,7 @@ static void opQuery(Globals & globals,
i->setFailed();
}
validPaths = store->queryValidPaths(paths);
store->querySubstitutablePathInfos(paths, subs);
substitutablePaths = store->querySubstitutablePaths(paths);
}
@ -969,7 +971,7 @@ static void opQuery(Globals & globals,
if (printStatus) {
Path outPath = i->queryOutPath(globals.state);
bool hasSubs = subs.find(outPath) != subs.end();
bool hasSubs = substitutablePaths.find(outPath) != substitutablePaths.end();
bool isInstalled = installed.find(outPath) != installed.end();
bool isValid = validPaths.find(outPath) != validPaths.end();
if (xmlOutput) {