* Added a primop unsafeDiscardOutputDependency needed by Disnix to
pass derivation paths to a builder without actually building them.
This commit is contained in:
parent
6f7d7bc1de
commit
437077c39d
|
@ -435,10 +435,18 @@ static Expr prim_derivationStrict(EvalState & state, const ATermVector & args)
|
|||
drv.inputDrvs[*j] = singleton<StringSet>("out");
|
||||
}
|
||||
}
|
||||
|
||||
debug(format("derivation uses `%1%'") % path);
|
||||
|
||||
/* See prim_unsafeDiscardOutputDependency. */
|
||||
bool useDrvAsSrc = false;
|
||||
if (path.at(0) == '~') {
|
||||
path = string(path, 1);
|
||||
useDrvAsSrc = true;
|
||||
}
|
||||
|
||||
assert(isStorePath(path));
|
||||
if (isDerivation(path))
|
||||
|
||||
debug(format("derivation uses `%1%'") % path);
|
||||
if (!useDrvAsSrc && isDerivation(path))
|
||||
drv.inputDrvs[path] = singleton<StringSet>("out");
|
||||
else
|
||||
drv.inputSrcs.insert(path);
|
||||
|
@ -1027,6 +1035,28 @@ static Expr prim_unsafeDiscardStringContext(EvalState & state, const ATermVector
|
|||
}
|
||||
|
||||
|
||||
/* Sometimes we want to pass a derivation path (i.e. pkg.drvPath) to a
|
||||
builder without causing the derivation to be built (for instance,
|
||||
in the derivation that builds NARs in nix-push, when doing
|
||||
source-only deployment). This primop marks the string context so
|
||||
that builtins.derivation adds the path to drv.inputSrcs rather than
|
||||
drv.inputDrvs. */
|
||||
static Expr prim_unsafeDiscardOutputDependency(EvalState & state, const ATermVector & args)
|
||||
{
|
||||
PathSet context;
|
||||
string s = coerceToString(state, args[0], context);
|
||||
|
||||
PathSet context2;
|
||||
foreach (PathSet::iterator, i, context) {
|
||||
Path p = *i;
|
||||
if (p.at(0) == '=') p = "~" + string(p, 1);
|
||||
context2.insert(p);
|
||||
}
|
||||
|
||||
return makeStr(s, context2);
|
||||
}
|
||||
|
||||
|
||||
/* Expression serialization/deserialization */
|
||||
|
||||
|
||||
|
@ -1156,6 +1186,7 @@ void EvalState::addPrimOps()
|
|||
addPrimOp("__substring", 3, prim_substring);
|
||||
addPrimOp("__stringLength", 1, prim_stringLength);
|
||||
addPrimOp("__unsafeDiscardStringContext", 1, prim_unsafeDiscardStringContext);
|
||||
addPrimOp("__unsafeDiscardOutputDependency", 1, prim_unsafeDiscardOutputDependency);
|
||||
|
||||
// Versions
|
||||
addPrimOp("__parseDrvName", 1, prim_parseDrvName);
|
||||
|
|
Loading…
Reference in a new issue