From b0d8e05be16e9887dbf3edcd6167c7f0b36dee5d Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Fri, 1 Dec 2006 18:00:01 +0000
Subject: * More operations. * addToStore() and friends: don't do a round-trip
 to the worker if   we're only interested in the path (i.e., in read-only
 mode).

---
 src/libstore/store-api.cc | 40 +++++++++++++++++++++++++++++++++++++++-
 1 file changed, 39 insertions(+), 1 deletion(-)

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

diff --git a/src/libstore/store-api.cc b/src/libstore/store-api.cc
index f1e7c35620ad..e00f01bfd4ff 100644
--- a/src/libstore/store-api.cc
+++ b/src/libstore/store-api.cc
@@ -92,7 +92,45 @@ Path makeFixedOutputPath(bool recursive,
     return makeStorePath("output:out", h, name);
 }
 
- 
+
+std::pair<Path, Hash> computeStorePathForPath(bool fixed, bool recursive,
+    string hashAlgo, const Path & srcPath)
+{
+    Hash h(htSHA256);
+    {
+        SwitchToOriginalUser sw;
+        h = hashPath(htSHA256, srcPath);
+    }
+
+    string baseName = baseNameOf(srcPath);
+
+    Path dstPath;
+    
+    if (fixed) {
+
+        HashType ht(parseHashType(hashAlgo));
+        Hash h2(ht);
+        {
+            SwitchToOriginalUser sw;
+            h2 = recursive ? hashPath(ht, srcPath) : hashFile(ht, srcPath);
+        }
+        
+        dstPath = makeFixedOutputPath(recursive, hashAlgo, h2, baseName);
+    }
+        
+    else dstPath = makeStorePath("source", h, baseName);
+
+    return std::pair<Path, Hash>(dstPath, h);
+}
+
+
+Path computeStorePathForText(const string & suffix, const string & s)
+{
+    Hash hash = hashString(htSHA256, s);
+    return makeStorePath("text", hash, suffix);
+}
+
+
 }
 
 
-- 
cgit 1.4.1