If a .drv cannot be parsed, show its path

Otherwise you just get ‘expected string `Derive(['’ which isn't very helpful.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libstore/misc.cc b/src/libstore/misc.cc
index 1bf3f9378245..6ecf8787cf61 100644
--- a/src/libstore/misc.cc
+++ b/src/libstore/misc.cc
@@ -11,7 +11,7 @@ Derivation derivationFromPath(StoreAPI & store, const Path & drvPath)
 {
     assertStorePath(drvPath);
     store.ensurePath(drvPath);
-    return parseDerivation(readFile(drvPath));
+    return readDerivation(drvPath);
 }