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HashType: Rename to HashAlgorithm

Browse source 
To be consistent with CLI, nix API
and many other references.

As part of this, we also converted it to a scoped enum.

https://github.com/NixOS/nix/issues/8876
This commit is contained in:
Peter Kolloch 2023-11-28 14:20:27 +01:00
parent 0c2d5f7673
commit 5334c9c792
64 changed files with 450 additions and 450 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/libexpr/flake/flake.cc
View file

@ -904,7 +904,7 @@ Fingerprint LockedFlake::getFingerprint() const
// FIXME: as an optimization, if the flake contains a lock file
// and we haven't changed it, then it's sufficient to use
// flake.sourceInfo.storePath for the fingerprint.
return hashString(htSHA256,
return hashString(HashAlgorithm::SHA256,
fmt("%s;%s;%d;%d;%s",
flake.storePath.to_string(),
flake.lockedRef.subdir,

36
src/libexpr/primops.cc
View file

@ -1317,7 +1317,7 @@ drvName, Bindings * attrs, Value & v)
.errPos = state.positions[noPos]
}));
auto h = newHashAllowEmpty(*outputHash, parseHashTypeOpt(outputHashAlgo));
auto h = newHashAllowEmpty(*outputHash, parseHashAlgoOpt(outputHashAlgo));
auto method = ingestionMethod.value_or(FileIngestionMethod::Flat);
@ -1339,7 +1339,7 @@ drvName, Bindings * attrs, Value & v)
.errPos = state.positions[noPos]
});
auto ht = parseHashTypeOpt(outputHashAlgo).value_or(htSHA256);
auto ht = parseHashAlgoOpt(outputHashAlgo).value_or(HashAlgorithm::SHA256);
auto method = ingestionMethod.value_or(FileIngestionMethod::Recursive);
for (auto & i : outputs) {
@ -1348,13 +1348,13 @@ drvName, Bindings * attrs, Value & v)
drv.outputs.insert_or_assign(i,
DerivationOutput::Impure {
.method = method,
.hashType = ht,
.hashAlgo = ht,
});
else
drv.outputs.insert_or_assign(i,
DerivationOutput::CAFloating {
.method = method,
.hashType = ht,
.hashAlgo = ht,
});
}
}
@ -1754,17 +1754,17 @@ static RegisterPrimOp primop_findFile(PrimOp {
/* Return the cryptographic hash of a file in base-16. */
static void prim_hashFile(EvalState & state, const PosIdx pos, Value * * args, Value & v)
{
auto type = state.forceStringNoCtx(*args[0], pos, "while evaluating the first argument passed to builtins.hashFile");
std::optional<HashType> ht = parseHashType(type);
if (!ht)
auto algo = state.forceStringNoCtx(*args[0], pos, "while evaluating the first argument passed to builtins.hashFile");
std::optional<HashAlgorithm> ha = parseHashAlgo(algo);
if (!ha)
state.debugThrowLastTrace(Error({
.msg = hintfmt("unknown hash type '%1%'", type),
.msg = hintfmt("unknown hash algo '%1%'", algo),
.errPos = state.positions[pos]
}));
auto path = realisePath(state, pos, *args[1]);
v.mkString(hashString(*ht, path.readFile()).to_string(HashFormat::Base16, false));
v.mkString(hashString(*ha, path.readFile()).to_string(HashFormat::Base16, false));
}
static RegisterPrimOp primop_hashFile({
@ -2341,7 +2341,7 @@ static void prim_path(EvalState & state, const PosIdx pos, Value * * args, Value
else if (n == "recursive")
method = FileIngestionMethod { state.forceBool(*attr.value, attr.pos, "while evaluating the `recursive` attribute passed to builtins.path") };
else if (n == "sha256")
expectedHash = newHashAllowEmpty(state.forceStringNoCtx(*attr.value, attr.pos, "while evaluating the `sha256` attribute passed to builtins.path"), htSHA256);
expectedHash = newHashAllowEmpty(state.forceStringNoCtx(*attr.value, attr.pos, "while evaluating the `sha256` attribute passed to builtins.path"), HashAlgorithm::SHA256);
else
state.debugThrowLastTrace(EvalError({
.msg = hintfmt("unsupported argument '%1%' to 'addPath'", state.symbols[attr.name]),
@ -3766,18 +3766,18 @@ static RegisterPrimOp primop_stringLength({
/* Return the cryptographic hash of a string in base-16. */
static void prim_hashString(EvalState & state, const PosIdx pos, Value * * args, Value & v)
{
auto type = state.forceStringNoCtx(*args[0], pos, "while evaluating the first argument passed to builtins.hashString");
std::optional<HashType> ht = parseHashType(type);
if (!ht)
auto algo = state.forceStringNoCtx(*args[0], pos, "while evaluating the first argument passed to builtins.hashString");
std::optional<HashAlgorithm> ha = parseHashAlgo(algo);
if (!ha)
state.debugThrowLastTrace(Error({
.msg = hintfmt("unknown hash type '%1%'", type),
.msg = hintfmt("unknown hash algo '%1%'", algo),
.errPos = state.positions[pos]
}));
NixStringContext context; // discarded
auto s = state.forceString(*args[1], context, pos, "while evaluating the second argument passed to builtins.hashString");
v.mkString(hashString(*ht, s).to_string(HashFormat::Base16, false));
v.mkString(hashString(*ha, s).to_string(HashFormat::Base16, false));
}
static RegisterPrimOp primop_hashString({
@ -3800,15 +3800,15 @@ static void prim_convertHash(EvalState & state, const PosIdx pos, Value * * args
auto hash = state.forceStringNoCtx(*iteratorHash->value, pos, "while evaluating the attribute 'hash'");
Bindings::iterator iteratorHashAlgo = inputAttrs->find(state.symbols.create("hashAlgo"));
std::optional<HashType> ht = std::nullopt;
std::optional<HashAlgorithm> ha = std::nullopt;
if (iteratorHashAlgo != inputAttrs->end()) {
ht = parseHashType(state.forceStringNoCtx(*iteratorHashAlgo->value, pos, "while evaluating the attribute 'hashAlgo'"));
ha = parseHashAlgo(state.forceStringNoCtx(*iteratorHashAlgo->value, pos, "while evaluating the attribute 'hashAlgo'"));
}
Bindings::iterator iteratorToHashFormat = getAttr(state, state.symbols.create("toHashFormat"), args[0]->attrs, "while locating the attribute 'toHashFormat'");
HashFormat hf = parseHashFormat(state.forceStringNoCtx(*iteratorToHashFormat->value, pos, "while evaluating the attribute 'toHashFormat'"));
v.mkString(Hash::parseAny(hash, ht).to_string(hf, hf == HashFormat::SRI));
v.mkString(Hash::parseAny(hash, ha).to_string(hf, hf == HashFormat::SRI));
}
static RegisterPrimOp primop_convertHash({

4
src/libexpr/primops/fetchMercurial.cc
View file

@ -31,7 +31,7 @@ static void prim_fetchMercurial(EvalState & state, const PosIdx pos, Value * * a
// be both a revision or a branch/tag name.
auto value = state.forceStringNoCtx(*attr.value, attr.pos, "while evaluating the `rev` attribute passed to builtins.fetchMercurial");
if (std::regex_match(value.begin(), value.end(), revRegex))
rev = Hash::parseAny(value, htSHA1);
rev = Hash::parseAny(value, HashAlgorithm::SHA1);
else
ref = value;
}
@ -79,7 +79,7 @@ static void prim_fetchMercurial(EvalState & state, const PosIdx pos, Value * * a
attrs2.alloc("branch").mkString(*input2.getRef());
// Backward compatibility: set 'rev' to
// 0000000000000000000000000000000000000000 for a dirty tree.
auto rev2 = input2.getRev().value_or(Hash(htSHA1));
auto rev2 = input2.getRev().value_or(Hash(HashAlgorithm::SHA1));
attrs2.alloc("rev").mkString(rev2.gitRev());
attrs2.alloc("shortRev").mkString(rev2.gitRev().substr(0, 12));
if (auto revCount = input2.getRevCount())

8
src/libexpr/primops/fetchTree.cc
View file

@ -46,7 +46,7 @@ void emitTreeAttrs(
attrs.alloc("shortRev").mkString(rev->gitShortRev());
} else if (emptyRevFallback) {
// Backwards compat for `builtins.fetchGit`: dirty repos return an empty sha1 as rev
auto emptyHash = Hash(htSHA1);
auto emptyHash = Hash(HashAlgorithm::SHA1);
attrs.alloc("rev").mkString(emptyHash.gitRev());
attrs.alloc("shortRev").mkString(emptyHash.gitShortRev());
}
@ -246,7 +246,7 @@ static void fetch(EvalState & state, const PosIdx pos, Value * * args, Value & v
if (n == "url")
url = state.forceStringNoCtx(*attr.value, attr.pos, "while evaluating the url we should fetch");
else if (n == "sha256")
expectedHash = newHashAllowEmpty(state.forceStringNoCtx(*attr.value, attr.pos, "while evaluating the sha256 of the content we should fetch"), htSHA256);
expectedHash = newHashAllowEmpty(state.forceStringNoCtx(*attr.value, attr.pos, "while evaluating the sha256 of the content we should fetch"), HashAlgorithm::SHA256);
else if (n == "name")
name = state.forceStringNoCtx(*attr.value, attr.pos, "while evaluating the name of the content we should fetch");
else
@ -276,7 +276,7 @@ static void fetch(EvalState & state, const PosIdx pos, Value * * args, Value & v
state.debugThrowLastTrace(EvalError("in pure evaluation mode, '%s' requires a 'sha256' argument", who));
// early exit if pinned and already in the store
if (expectedHash && expectedHash->type == htSHA256) {
if (expectedHash && expectedHash->algo == HashAlgorithm::SHA256) {
auto expectedPath = state.store->makeFixedOutputPath(
name,
FixedOutputInfo {
@ -301,7 +301,7 @@ static void fetch(EvalState & state, const PosIdx pos, Value * * args, Value & v
if (expectedHash) {
auto hash = unpack
? state.store->queryPathInfo(storePath)->narHash
: hashFile(htSHA256, state.store->toRealPath(storePath));
: hashFile(HashAlgorithm::SHA256, state.store->toRealPath(storePath));
if (hash != *expectedHash)
state.debugThrowLastTrace(EvalError((unsigned int) 102, "hash mismatch in file downloaded from '%s':\n specified: %s\n got: %s",
*url, expectedHash->to_string(HashFormat::Base32, true), hash.to_string(HashFormat::Base32, true)));