diff options
Diffstat (limited to 'src/store.cc')
| -rw-r--r-- | src/store.cc | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/store.cc b/src/store.cc index 7f10c6377dc6..2d223313b612 100644 --- a/src/store.cc +++ b/src/store.cc @@ -175,7 +175,8 @@ void registerSuccessor(const Transaction & txn, Paths revs; nixDB.queryStrings(txn, dbSuccessorsRev, sucPath, revs); - revs.push_back(srcPath); + if (find(revs.begin(), revs.end(), srcPath) == revs.end()) + revs.push_back(srcPath); nixDB.setString(txn, dbSuccessors, srcPath, sucPath); nixDB.setStrings(txn, dbSuccessorsRev, sucPath, revs); @@ -212,7 +213,8 @@ void registerSubstitute(const Path & srcPath, const Path & subPath) Paths revs; nixDB.queryStrings(txn, dbSubstitutesRev, subPath, revs); - revs.push_back(srcPath); + if (find(revs.begin(), revs.end(), srcPath) == revs.end()) + revs.push_back(srcPath); nixDB.setStrings(txn, dbSubstitutes, srcPath, subs); nixDB.setStrings(txn, dbSubstitutesRev, subPath, revs); @@ -221,6 +223,14 @@ void registerSubstitute(const Path & srcPath, const Path & subPath) } +Paths querySubstitutes(const Path & srcPath) +{ + Paths subPaths; + nixDB.queryStrings(noTxn, dbSubstitutes, srcPath, subPaths); + return subPaths; +} + + void registerValidPath(const Transaction & txn, const Path & _path) { Path path(canonPath(_path)); |