nix/search: no error for empty search results if json is enabled

- result list will be always empty if --json is passed
- for scripts an empty search result is not really an error,
  we rather want to distinguish between evaluation errors and empty results

1 files changed, 1 insertions, 1 deletions

diff --git a/src/nix/search.cc b/src/nix/search.cc
index fcad6be84..ba72c1e79 100644
--- a/src/nix/search.cc
+++ b/src/nix/search.cc
@@ -265,7 +265,7 @@ struct CmdSearch : SourceExprCommand, MixJSON
                 throw SysError("cannot rename '%s' to '%s'", tmpFile, jsonCacheFileName);
         }
 
-        if (results.size() == 0)
+        if (!json && results.size() == 0)
             throw Error("no results for the given search term(s)!");
 
         RunPager pager;