From 49231fbe419d37717b0d951377fbfc9bf445dd55 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Mon, 21 Jul 2003 14:46:01 +0000
Subject: * Changes to the command line syntax of Nix. * A function to find all
 Nix expressions whose output ids are   completely contained in some set. 
 Useful for uploading relevant Nix   expressions to a shared cache.

---
 src/store.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/store.cc')

diff --git a/src/store.cc b/src/store.cc
index 6f1a2fc39d1c..6157b4bc22a1 100644
--- a/src/store.cc
+++ b/src/store.cc
@@ -148,6 +148,15 @@ void unregisterPath(const string & _path)
 }
 
 
+bool queryPathId(const string & path, FSId & id)
+{
+    string s;
+    if (!queryDB(nixDB, dbPath2Id, path, s)) return false;
+    id = parseHash(s);
+    return true;
+}
+
+
 bool isInPrefix(const string & path, const string & _prefix)
 {
     string prefix = canonPath(_prefix + "/");
-- 
cgit 1.4.1