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Merged R8636

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This commit is contained in:
Wouter den Breejen 2007-10-08 10:20:43 +00:00
parent 8e9c7d9338
commit 854e155b2c
8 changed files with 97 additions and 33 deletions
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24
src/libexpr/get-drvs.cc
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@ -107,6 +107,15 @@ MetaInfo DrvInfo::queryMetaInfo(EvalState & state) const
}
string DrvInfo::queryMetaInfo(EvalState & state, const string & name) const
{
/* !!! evaluates all meta attributes => inefficient */
MetaInfo meta = queryMetaInfo(state);
MetaInfo::iterator i = meta.find(name);
return i == meta.end() ? "" : i->second;
}
void DrvInfo::setMetaInfo(const MetaInfo & meta)
{
ATermMap metaAttrs;
@ -214,12 +223,21 @@ static void getDerivations(EvalState & state, Expr e,
if (matchAttrs(e, es)) {
ATermMap drvMap(ATgetLength(es));
queryAllAttrs(e, drvMap);
/* !!! undocumented hackery to support
corepkgs/channels/unpack.sh. */
Expr e2 = drvMap.get(toATerm("_combineChannels"));
bool combineChannels = e2 && evalBool(state, e2);
for (ATermMap::const_iterator i = drvMap.begin(); i != drvMap.end(); ++i) {
startNest(nest, lvlDebug,
format("evaluating attribute `%1%'") % aterm2String(i->key));
string pathPrefix2 = addToPath(pathPrefix, aterm2String(i->key));
if (getDerivation(state, i->value, pathPrefix2, drvs, doneExprs)) {
if (combineChannels) {
if (((string) aterm2String(i->key)) != "_combineChannels")
getDerivations(state, i->value, pathPrefix2, autoArgs, drvs, doneExprs);
}
else if (getDerivation(state, i->value, pathPrefix2, drvs, doneExprs)) {
/* If the value of this attribute is itself an
attribute set, should we recurse into it? => Only
if it has a `recurseForDerivations = true'
@ -229,8 +247,8 @@ static void getDerivations(EvalState & state, Expr e,
if (matchAttrs(e, es)) {
ATermMap attrs(ATgetLength(es));
queryAllAttrs(e, attrs, false);
Expr e2 = attrs.get(toATerm("recurseForDerivations"));
if (e2 && evalBool(state, e2))
if (((e2 = attrs.get(toATerm("recurseForDerivations")))
&& evalBool(state, e2)))
getDerivations(state, e, pathPrefix2, autoArgs, drvs, doneExprs);
}
}