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* Allow the output/expression id to be forced to a certain

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value; this potentially dangerous feature enables better 
  sharing for those paths for which the content is known in 
  advance (e.g., because a content hash is given).
* Fast builds: if we can expand all output paths of a derive 
  expression, we don't have to build.
This commit is contained in:
Eelco Dolstra 2003-07-21 20:07:12 +00:00
parent 49231fbe41
commit 249988a787
6 changed files with 23 additions and 17 deletions
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7
src/normalise.cc
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@ -88,19 +88,18 @@ Slice normaliseFState(FSId id)
/* We can skip running the builder if we can expand all output
paths from their ids. */
bool fastBuild = false;
#if 0
bool fastBuild = true;
for (OutPaths::iterator i = outPaths.begin();
i != outPaths.end(); i++)
{
try {
expandId(i->second, i->first);
} catch (...) {
} catch (Error & e) {
debug(format("fast build failed: %1%") % e.what());
fastBuild = false;
break;
}
}
#endif
if (!fastBuild) {