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authorShea Levy <shea@shealevy.com>2011-11-06T06·28+0000
committerShea Levy <shea@shealevy.com>2011-11-06T06·28+0000
commitaf2e53fd481994cca46b9c003a6a8eae50cf951c (patch)
treea48f614d74b2e5c1e9b9fa91a6f8481f8d874f35 /src/libstore/local-store.cc
parent981edeab7b6b415c71d3421da6967ec7fc232e54 (diff)
Include all outputs of derivations in the closure of explicitly-passed derivation paths
This required adding a queryOutputDerivationNames function in the store API
Diffstat (limited to 'src/libstore/local-store.cc')
-rw-r--r--src/libstore/local-store.cc22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/libstore/local-store.cc b/src/libstore/local-store.cc
index 702ff67e793e..8ca5daa9f171 100644
--- a/src/libstore/local-store.cc
+++ b/src/libstore/local-store.cc
@@ -820,6 +820,28 @@ PathSet LocalStore::queryDerivationOutputs(const Path & path)
 }
 
 
+StringSet LocalStore::queryDerivationOutputNames(const Path & path)
+{
+    SQLiteTxn txn(db);
+    
+    SQLiteStmtUse use(stmtQueryDerivationOutputs);
+    stmtQueryDerivationOutputs.bind(queryValidPathId(path));
+    
+    StringSet outputNames;
+    int r;
+    while ((r = sqlite3_step(stmtQueryDerivationOutputs)) == SQLITE_ROW) {
+        const char * s = (const char *) sqlite3_column_text(stmtQueryDerivationOutputs, 0);
+        assert(s);
+        outputNames.insert(s);
+    }
+    
+    if (r != SQLITE_DONE)
+        throwSQLiteError(db, format("error getting output names of `%1%'") % path);
+
+    return outputNames;
+}
+
+
 void LocalStore::startSubstituter(const Path & substituter, RunningSubstituter & run)
 {
     if (run.pid != -1) return;