diff options
| -rw-r--r-- | src/normalise.cc | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/normalise.cc b/src/normalise.cc index 059b3c83a..c7be53206 100644 --- a/src/normalise.cc +++ b/src/normalise.cc @@ -321,8 +321,12 @@ Strings fstatePaths(const FSId & id) static void fstateRequisitesSet(const FSId & id, - bool includeExprs, bool includeSuccessors, StringSet & paths) + bool includeExprs, bool includeSuccessors, StringSet & paths, + FSIdSet & doneSet) { + if (doneSet.find(id) != doneSet.end()) return; + doneSet.insert(id); + FState fs = parseFState(termFromId(id)); if (fs.type == FState::fsSlice) @@ -334,7 +338,7 @@ static void fstateRequisitesSet(const FSId & id, for (FSIdSet::iterator i = fs.derive.inputs.begin(); i != fs.derive.inputs.end(); i++) fstateRequisitesSet(*i, - includeExprs, includeSuccessors, paths); + includeExprs, includeSuccessors, paths, doneSet); else abort(); @@ -345,7 +349,7 @@ static void fstateRequisitesSet(const FSId & id, if (includeSuccessors && nixDB.queryString(noTxn, dbSuccessors, id, idSucc)) fstateRequisitesSet(parseHash(idSucc), - includeExprs, includeSuccessors, paths); + includeExprs, includeSuccessors, paths, doneSet); } @@ -353,7 +357,8 @@ Strings fstateRequisites(const FSId & id, bool includeExprs, bool includeSuccessors) { StringSet paths; - fstateRequisitesSet(id, includeExprs, includeSuccessors, paths); + FSIdSet doneSet; + fstateRequisitesSet(id, includeExprs, includeSuccessors, paths, doneSet); return Strings(paths.begin(), paths.end()); } |