From 6d1a1191b053645fa0277830524bf085a7fe0956 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Tue, 12 Jun 2007 16:53:44 +0000
Subject: * Support queryDeriver() in multi-user installations.

---
 src/libstore/store-api.hh | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/libstore/store-api.hh')

diff --git a/src/libstore/store-api.hh b/src/libstore/store-api.hh
index 8531eb040496..01b561e9d496 100644
--- a/src/libstore/store-api.hh
+++ b/src/libstore/store-api.hh
@@ -77,6 +77,10 @@ public:
     virtual void queryReferrers(const Path & path,
         PathSet & referrers) = 0;
 
+    /* Query the deriver of a store path.  Return the empty string if
+       no deriver has been set. */
+    virtual Path queryDeriver(const Path & path) = 0;
+
     /* Copy the contents of a path to the store and register the
        validity the resulting path.  The resulting path is returned.
        If `fixed' is true, then the output of a fixed-output
-- 
cgit 1.4.1