From 767101824af1fe41b6e50791b21112c6a8d7457f Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Mon, 13 Aug 2012 15:10:29 -0400 Subject: [PATCH] Avoid concatenating lists of one string --- src/libexpr/eval.cc | 2 +- src/libexpr/parser.y | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc index cb7c22e29..fadfb3b53 100644 --- a/src/libexpr/eval.cc +++ b/src/libexpr/eval.cc @@ -965,7 +965,7 @@ void ExprConcatStrings::eval(EvalState & state, Env & env, Value & v) isPath = vStr.type == tPath; first = false; } - + s << state.coerceToString(vStr, context, false, !isPath); } diff --git a/src/libexpr/parser.y b/src/libexpr/parser.y index 095e28843..1819da5e1 100644 --- a/src/libexpr/parser.y +++ b/src/libexpr/parser.y @@ -203,7 +203,7 @@ static Expr * stripIndentation(SymbolTable & symbols, vector & es) es2->push_back(new ExprString(symbols.create(s2))); } - return new ExprConcatStrings(es2); + return es2->size() == 1 ? (*es2)[0] : new ExprConcatStrings(es2); }