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authorEelco Dolstra <eelco.dolstra@logicblox.com>2016-04-29T15·33+0200
committerEelco Dolstra <eelco.dolstra@logicblox.com>2016-04-29T15·33+0200
commit0dd988d2e3653d81b7bda43e0618ce330553b7bc (patch)
tree5e6899794351d666751693b06dea364b43bf0579 /src/libstore/binary-cache-store.cc
parent5acb6914020a94be8468d7670b564388c59794ee (diff)
Better error message
Diffstat (limited to 'src/libstore/binary-cache-store.cc')
-rw-r--r--src/libstore/binary-cache-store.cc7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/libstore/binary-cache-store.cc b/src/libstore/binary-cache-store.cc
index 90d7fa18b94b..ff717a5dc103 100644
--- a/src/libstore/binary-cache-store.cc
+++ b/src/libstore/binary-cache-store.cc
@@ -137,7 +137,12 @@ void BinaryCacheStore::narFromPath(const Path & storePath, Sink & sink)
 
     /* Decompress the NAR. FIXME: would be nice to have the remote
        side do this. */
-    nar = decompress(info->compression, ref<std::string>(nar));
+    try {
+        nar = decompress(info->compression, ref<std::string>(nar));
+    } catch (UnknownCompressionMethod &) {
+        throw Error(format("binary cache path ‘%s’ uses unknown compression method ‘%s’")
+            % storePath % info->compression);
+    }
 
     stats.narReadBytes += nar->size();