split outputs

pkgs/oizys/src/oizys/nix.nim

@@ -16,7 +16,7 @@ proc nixCommand(cmd: string): string =
 
 proc nixosConfigAttrs*(): seq[string] =
   for host in getHosts():
-    result.add fmt"{getFlake()}#nixosConfigurations.{host}.config.system.build.toplevel"
+    result.add getFlake() & "#nixosConfigurations." & host & ".config.system.build.toplevel"
 
 const nixosSubcmds* =
   """switch boot test build dry-build dry-activate edit
@@ -254,10 +254,11 @@ proc nixBuildWithCache*(name: string, rest:seq[string], service: string, jobs: i
     cmd.addArgs rest
     let (path, _, buildCode) = runCmdCapt(cmd)
     if buildCode != 0:
+      # TODO: propagate errors using nix log?
       error "failed to build: " & drv
       continue
-    outs.add path
-    # TODO: propagate errors using nix log?
+
+    outs &= path.strip().splitLines()
 
   var cmd = service
   cmd.addArg "push"