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Support base-64 hashes

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Also simplify the Hash API.

Fixes #1437.
This commit is contained in:
Eelco Dolstra 2017-07-04 14:47:59 +02:00
parent fe97c69898
commit c0015e87af
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GPG key ID: 8170B4726D7198DE
23 changed files with 205 additions and 213 deletions
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8
src/libexpr/primops.cc
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@ -708,8 +708,8 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
HashType ht = parseHashType(outputHashAlgo);
if (ht == htUnknown)
throw EvalError(format("unknown hash algorithm ‘%1%’, at %2%") % outputHashAlgo % posDrvName);
Hash h = parseHash16or32(ht, *outputHash);
outputHash = printHash(h);
Hash h(*outputHash, ht);
outputHash = h.to_string(Base16, false);
if (outputHashRecursive) outputHashAlgo = "r:" + outputHashAlgo;
Path outPath = state.store->makeFixedOutputPath(outputHashRecursive, h, drvName);
@ -1701,7 +1701,7 @@ static void prim_hashString(EvalState & state, const Pos & pos, Value * * args,
PathSet context; // discarded
string s = state.forceString(*args[1], context, pos);
mkString(v, printHash(hashString(ht, s)), context);
mkString(v, hashString(ht, s).to_string(Base16, false), context);
}
@ -1852,7 +1852,7 @@ void fetch(EvalState & state, const Pos & pos, Value * * args, Value & v,
if (n == "url")
url = state.forceStringNoCtx(*attr.value, *attr.pos);
else if (n == "sha256")
expectedHash = parseHash16or32(htSHA256, state.forceStringNoCtx(*attr.value, *attr.pos));
expectedHash = Hash(state.forceStringNoCtx(*attr.value, *attr.pos), htSHA256);
else if (n == "name")
name = state.forceStringNoCtx(*attr.value, *attr.pos);
else