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-rw-r--r--src/libstore/realisation.hh10
-rw-r--r--src/libstore/remote-store.cc5
2 files changed, 11 insertions, 4 deletions
diff --git a/src/libstore/realisation.hh b/src/libstore/realisation.hh
index 9070a6ee2..911c61909 100644
--- a/src/libstore/realisation.hh
+++ b/src/libstore/realisation.hh
@@ -93,4 +93,14 @@ struct RealisedPath {
GENERATE_CMP(RealisedPath, me->raw);
};
+class MissingRealisation : public Error
+{
+public:
+ MissingRealisation(DrvOutput & outputId)
+ : Error( "cannot operate on an output of the "
+ "unbuilt derivation '%s'",
+ outputId.to_string())
+ {}
+};
+
}
diff --git a/src/libstore/remote-store.cc b/src/libstore/remote-store.cc
index 48cf731a8..ccf7d7e8b 100644
--- a/src/libstore/remote-store.cc
+++ b/src/libstore/remote-store.cc
@@ -879,10 +879,7 @@ std::vector<BuildResult> RemoteStore::buildPathsWithResults(
auto realisation =
queryRealisation(outputId);
if (!realisation)
- throw Error(
- "cannot operate on an output of unbuilt "
- "content-addressed derivation '%s'",
- outputId.to_string());
+ throw MissingRealisation(outputId);
res.builtOutputs.emplace(realisation->id, *realisation);
} else {
// If ca-derivations isn't enabled, assume that