diff options
Diffstat (limited to 'src/libexpr')
| -rw-r--r-- | src/libexpr/eval.hh | 1 | ||||
| -rw-r--r-- | src/libexpr/get-drvs.cc | 16 |
2 files changed, 16 insertions, 1 deletions
diff --git a/src/libexpr/eval.hh b/src/libexpr/eval.hh index cbdcb274e..8070f4884 100644 --- a/src/libexpr/eval.hh +++ b/src/libexpr/eval.hh @@ -55,6 +55,7 @@ Expr evalFile(EvalState & state, const Path & path); /* Specific results. */ string evalString(EvalState & state, Expr e); Path evalPath(EvalState & state, Expr e); +bool evalBool(EvalState & state, Expr e); ATermList evalList(EvalState & state, Expr e); ATerm coerceToString(Expr e); diff --git a/src/libexpr/get-drvs.cc b/src/libexpr/get-drvs.cc index ff38ff794..78edbd392 100644 --- a/src/libexpr/get-drvs.cc +++ b/src/libexpr/get-drvs.cc @@ -171,7 +171,21 @@ static void getDerivations(EvalState & state, Expr e, for (ATermIterator i(drvMap.keys()); i; ++i) { startNest(nest, lvlDebug, format("evaluating attribute `%1%'") % aterm2String(*i)); - getDerivation(state, drvMap.get(*i), drvs, doneExprs); + if (getDerivation(state, drvMap.get(*i), drvs, doneExprs)) { + /* If the value of this attribute is itself an + attribute self, should we recurse into it? + => Only if it has a `recurseForDerivations = true' + attribute. */ + ATermList es; + Expr e = evalExpr(state, drvMap.get(*i)); + if (matchAttrs(e, es)) { + ATermMap attrs; + queryAllAttrs(e, attrs, false); + if (attrs.get("recurseForDerivations") && + evalBool(state, attrs.get("recurseForDerivations"))) + getDerivations(state, e, drvs, doneExprs, attrPathRest); + } + } } } else { Expr e2 = drvMap.get(attr); |