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* The predecessor of a successor need not be present. This in 

particular happens on distributed builds or when using push/pull.
This commit is contained in:
Eelco Dolstra 2004-08-11 19:03:13 +00:00
parent ae1a1efa41
commit 62fe5c4a22
1 changed files with 6 additions and 4 deletions
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10
src/libstore/normalise.cc
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@ -297,11 +297,13 @@ const char * * strings2CharPtrs(const Strings & ss)
/* Should only be called after an expression has been normalised. */
Path queryNormalForm(const Path & nePath)
{
StoreExpr ne = storeExprFromPath(nePath);
if (ne.type == StoreExpr::neClosure) return nePath;
Path nfPath;
if (!querySuccessor(nePath, nfPath)) abort();
return nfPath;
if (querySuccessor(nePath, nfPath)) return nfPath;
/* If there is no successor, than nePath must be a normal form
itself. */
StoreExpr ne = storeExprFromPath(nePath);
if (ne.type != StoreExpr::neClosure) abort();
return nePath;
}