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Merge remote-tracking branch 'origin/master' into flakes

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Eelco Dolstra 2019-05-08 14:30:27 +02:00
commit 2bc55aba1e
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23 changed files with 167 additions and 28 deletions
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15
src/libexpr/primops.cc
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@ -923,6 +923,20 @@ static void prim_findFile(EvalState & state, const Pos & pos, Value * * args, Va
mkPath(v, state.checkSourcePath(state.findFile(searchPath, path, pos)).c_str());
}
/* Return the cryptographic hash of a file in base-16. */
static void prim_hashFile(EvalState & state, const Pos & pos, Value * * args, Value & v)
{
string type = state.forceStringNoCtx(*args[0], pos);
HashType ht = parseHashType(type);
if (ht == htUnknown)
throw Error(format("unknown hash type '%1%', at %2%") % type % pos);
PathSet context; // discarded
Path p = state.coerceToPath(pos, *args[1], context);
mkString(v, hashFile(ht, state.checkSourcePath(p)).to_string(Base16, false), context);
}
/* Read a directory (without . or ..) */
static void prim_readDir(EvalState & state, const Pos & pos, Value * * args, Value & v)
{
@ -2202,6 +2216,7 @@ void EvalState::createBaseEnv()
addPrimOp("__readFile", 1, prim_readFile);
addPrimOp("__readDir", 1, prim_readDir);
addPrimOp("__findFile", 2, prim_findFile);
addPrimOp("__hashFile", 2, prim_hashFile);
// Creating files
addPrimOp("__toXML", 1, prim_toXML);