Merge branch 'master' into no-manifests

1 files changed, 4 insertions, 0 deletions

diff --git a/src/libstore/store-api.hh b/src/libstore/store-api.hh
index e7963d053f31..5d8c09f5a526 100644
--- a/src/libstore/store-api.hh
+++ b/src/libstore/store-api.hh
@@ -144,6 +144,10 @@ public:
 
     /* Query the output names of the derivation denoted by `path'. */
     virtual StringSet queryDerivationOutputNames(const Path & path) = 0;
+
+    /* Query the full store path given the hash part of a valid store
+       path, or "" if the path doesn't exist. */
+    virtual Path queryPathFromHashPart(const string & hashPart) = 0;
     
     /* Query which of the given paths have substitutes. */
     virtual PathSet querySubstitutablePaths(const PathSet & paths) = 0;