fix detection of opam root when no switch is selected

fix #701
ocamllabs · Jan 25, 2022 · a15d4f0 · a15d4f0
1 parent a5da5c6
commit a15d4f0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/opam.ml b/src/opam.ml
@@ -20,7 +20,7 @@ let make ?root () =
   | Error _, _ -> Promise.return None
   | Ok bin, Some root -> Promise.return (Some { bin; root })
   | Ok bin, None -> (
-    let var_root_cmd = Cmd.Spawn (Cmd.append bin [ "var"; "root" ]) in
+    let var_root_cmd = Cmd.Spawn (Cmd.append bin [ "var"; "--global"; "root" ]) in
     let+ var_root_output = Cmd.output var_root_cmd in
     match var_root_output with
     | Error _ -> None