Add a --repair flag to ‘nix-store -r’ to repair derivation outputs

With this flag, if any valid derivation output is missing or corrupt,
it will be recreated by using a substitute if available, or by
rebuilding the derivation.  The latter may use hash rewriting if
chroots are not available.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libstore/remote-store.hh b/src/libstore/remote-store.hh
index ae4c48dad..fe60ccb39 100644
--- a/src/libstore/remote-store.hh
+++ b/src/libstore/remote-store.hh
@@ -63,7 +63,7 @@ public:
 
     Paths importPaths(bool requireSignature, Source & source);
     
-    void buildPaths(const PathSet & paths);
+    void buildPaths(const PathSet & paths, bool repair = false);
 
     void ensurePath(const Path & path);