* Print out the offending path.

2006-10-17 14:01:28 +00:00 · 2006-10-17 14:01:28 +00:00 · 4bd5cdb90b
parent 58ff6939f4
commit 4bd5cdb90b
1 changed files with 3 additions and 2 deletions
--- a/src/libexpr/eval.cc
+++ b/src/libexpr/eval.cc
@ -572,9 +572,10 @@ Expr evalExpr2(EvalState & state, Expr e)
            ATerm p;
            if (matchAttrs(e1, as) && matchPath(e2, p)) {
                static bool haveWarned = false;
-                warnOnce(haveWarned,
+                warnOnce(haveWarned, format(
                    "concatenation of a derivation and a path is deprecated, "
-                    "you should write `drv + \"/path\"' instead of `drv + /path'");
+                    "you should write `drv + \"%1%\"' instead of `drv + %1%'")
+                    % aterm2String(p));
                PathSet context;
                return makeStr(
                    coerceToString(state, makeSelect(e1, toATerm("outPath")), context)