From 7eaf0387639b3108f2351c513801b0d4e0b18be4 Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Fri, 25 Mar 2005 14:21:49 +0000 Subject: * `nix-store --verify': repair bad referer mappings. --- src/libstore/store.cc | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) (limited to 'src/libstore') diff --git a/src/libstore/store.cc b/src/libstore/store.cc index 5742bbb73..87425430a 100644 --- a/src/libstore/store.cc +++ b/src/libstore/store.cc @@ -774,7 +774,7 @@ void verifyStore(bool checkContents) if (usablePaths.find(*i) == usablePaths.end()) { printMsg(lvlError, format("found references entry for unusable path `%1%'") % *i); - nixDB.delPair(txn, dbReferences, *i); + setReferences(txn, *i, PathSet()); } else { bool isValid = validPaths.find(*i) != validPaths.end(); @@ -808,18 +808,28 @@ void verifyStore(bool checkContents) nixDB.delPair(txn, dbReferers, *i); } else { - PathSet referers; + PathSet referers, newReferers; queryReferers(txn, *i, referers); for (PathSet::iterator j = referers.begin(); j != referers.end(); ++j) { Paths references; - nixDB.queryStrings(txn, dbReferences, *j, references); - if (find(references.begin(), references.end(), *i) == references.end()) { - printMsg(lvlError, format("missing reference mapping from `%1%' to `%2%'") - % *j % *i); + if (usablePaths.find(*j) == usablePaths.end()) { + printMsg(lvlError, format("referer mapping from `%1%' to unusable `%2%'") + % *i % *j); + } else { + nixDB.queryStrings(txn, dbReferences, *j, references); + if (find(references.begin(), references.end(), *i) == references.end()) { + printMsg(lvlError, format("missing reference mapping from `%1%' to `%2%'") + % *j % *i); + /* !!! repair by inserting *i into references */ + } + else newReferers.insert(*j); } } + if (referers != newReferers) + nixDB.setStrings(txn, dbReferers, *i, + Paths(newReferers.begin(), newReferers.end())); } } -- cgit v1.2.3