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Revert "Merge pull request #6204 from layus/coerce-string"

Browse source 
This reverts commit a75b7ba30f, reversing
changes made to 9af16c5f74.
This commit is contained in:
Robert Hensing 2023-01-18 01:19:07 +01:00
parent 98f57f44bb
commit 9b33ef3879
31 changed files with 865 additions and 988 deletions
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28
src/libexpr/primops/context.cc
View file

@ -8,7 +8,7 @@ namespace nix {
static void prim_unsafeDiscardStringContext(EvalState & state, const PosIdx pos, Value * * args, Value & v)
{
PathSet context;
auto s = state.coerceToString(pos, *args[0], context, "while evaluating the argument passed to builtins.unsafeDiscardStringContext");
auto s = state.coerceToString(pos, *args[0], context);
v.mkString(*s);
}
@ -18,7 +18,7 @@ static RegisterPrimOp primop_unsafeDiscardStringContext("__unsafeDiscardStringCo
static void prim_hasContext(EvalState & state, const PosIdx pos, Value * * args, Value & v)
{
PathSet context;
state.forceString(*args[0], context, pos, "while evaluating the argument passed to builtins.hasContext");
state.forceString(*args[0], context, pos);
v.mkBool(!context.empty());
}
@ -34,7 +34,7 @@ static RegisterPrimOp primop_hasContext("__hasContext", 1, prim_hasContext);
static void prim_unsafeDiscardOutputDependency(EvalState & state, const PosIdx pos, Value * * args, Value & v)
{
PathSet context;
auto s = state.coerceToString(pos, *args[0], context, "while evaluating the argument passed to builtins.unsafeDiscardOutputDependency");
auto s = state.coerceToString(pos, *args[0], context);
PathSet context2;
for (auto && p : context) {
@ -80,7 +80,7 @@ static void prim_getContext(EvalState & state, const PosIdx pos, Value * * args,
Strings outputs;
};
PathSet context;
state.forceString(*args[0], context, pos, "while evaluating the argument passed to builtins.getContext");
state.forceString(*args[0], context, pos);
auto contextInfos = std::map<StorePath, ContextInfo>();
for (const auto & p : context) {
Path drv;
@ -132,9 +132,9 @@ static RegisterPrimOp primop_getContext("__getContext", 1, prim_getContext);
static void prim_appendContext(EvalState & state, const PosIdx pos, Value * * args, Value & v)
{
PathSet context;
auto orig = state.forceString(*args[0], context, noPos, "while evaluating the first argument passed to builtins.appendContext");
auto orig = state.forceString(*args[0], context, pos);
state.forceAttrs(*args[1], pos, "while evaluating the second argument passed to builtins.appendContext");
state.forceAttrs(*args[1], pos);
auto sPath = state.symbols.create("path");
auto sAllOutputs = state.symbols.create("allOutputs");
@ -142,24 +142,24 @@ static void prim_appendContext(EvalState & state, const PosIdx pos, Value * * ar
const auto & name = state.symbols[i.name];
if (!state.store->isStorePath(name))
throw EvalError({
.msg = hintfmt("context key '%s' is not a store path", name),
.msg = hintfmt("Context key '%s' is not a store path", name),
.errPos = state.positions[i.pos]
});
if (!settings.readOnlyMode)
state.store->ensurePath(state.store->parseStorePath(name));
state.forceAttrs(*i.value, i.pos, "while evaluating the value of a string context");
state.forceAttrs(*i.value, i.pos);
auto iter = i.value->attrs->find(sPath);
if (iter != i.value->attrs->end()) {
if (state.forceBool(*iter->value, iter->pos, "while evaluating the `path` attribute of a string context"))
if (state.forceBool(*iter->value, iter->pos))
context.emplace(name);
}
iter = i.value->attrs->find(sAllOutputs);
if (iter != i.value->attrs->end()) {
if (state.forceBool(*iter->value, iter->pos, "while evaluating the `allOutputs` attribute of a string context")) {
if (state.forceBool(*iter->value, iter->pos)) {
if (!isDerivation(name)) {
throw EvalError({
.msg = hintfmt("tried to add all-outputs context of %s, which is not a derivation, to a string", name),
.msg = hintfmt("Tried to add all-outputs context of %s, which is not a derivation, to a string", name),
.errPos = state.positions[i.pos]
});
}
@ -169,15 +169,15 @@ static void prim_appendContext(EvalState & state, const PosIdx pos, Value * * ar
iter = i.value->attrs->find(state.sOutputs);
if (iter != i.value->attrs->end()) {
state.forceList(*iter->value, iter->pos, "while evaluating the `outputs` attribute of a string context");
state.forceList(*iter->value, iter->pos);
if (iter->value->listSize() && !isDerivation(name)) {
throw EvalError({
.msg = hintfmt("tried to add derivation output context of %s, which is not a derivation, to a string", name),
.msg = hintfmt("Tried to add derivation output context of %s, which is not a derivation, to a string", name),
.errPos = state.positions[i.pos]
});
}
for (auto elem : iter->value->listItems()) {
auto outputName = state.forceStringNoCtx(*elem, iter->pos, "while evaluating an output name within a string context");
auto outputName = state.forceStringNoCtx(*elem, iter->pos);
context.insert(concatStrings("!", outputName, "!", name));
}
}

11
src/libexpr/primops/fetchClosure.cc
View file

@ -7,7 +7,7 @@ namespace nix {
static void prim_fetchClosure(EvalState & state, const PosIdx pos, Value * * args, Value & v)
{
state.forceAttrs(*args[0], pos, "while evaluating the argument passed to builtins.fetchClosure");
state.forceAttrs(*args[0], pos);
std::optional<std::string> fromStoreUrl;
std::optional<StorePath> fromPath;
@ -19,8 +19,7 @@ static void prim_fetchClosure(EvalState & state, const PosIdx pos, Value * * arg
if (attrName == "fromPath") {
PathSet context;
fromPath = state.coerceToStorePath(attr.pos, *attr.value, context,
"while evaluating the 'fromPath' attribute passed to builtins.fetchClosure");
fromPath = state.coerceToStorePath(attr.pos, *attr.value, context);
}
else if (attrName == "toPath") {
@ -28,14 +27,12 @@ static void prim_fetchClosure(EvalState & state, const PosIdx pos, Value * * arg
toCA = true;
if (attr.value->type() != nString || attr.value->string.s != std::string("")) {
PathSet context;
toPath = state.coerceToStorePath(attr.pos, *attr.value, context,
"while evaluating the 'toPath' attribute passed to builtins.fetchClosure");
toPath = state.coerceToStorePath(attr.pos, *attr.value, context);
}
}
else if (attrName == "fromStore")
fromStoreUrl = state.forceStringNoCtx(*attr.value, attr.pos,
"while evaluating the 'fromStore' attribute passed to builtins.fetchClosure");
fromStoreUrl = state.forceStringNoCtx(*attr.value, attr.pos);
else
throw Error({

10
src/libexpr/primops/fetchMercurial.cc
View file

@ -19,21 +19,23 @@ static void prim_fetchMercurial(EvalState & state, const PosIdx pos, Value * * a
if (args[0]->type() == nAttrs) {
state.forceAttrs(*args[0], pos);
for (auto & attr : *args[0]->attrs) {
std::string_view n(state.symbols[attr.name]);
if (n == "url")
url = state.coerceToString(attr.pos, *attr.value, context, false, false, "while evaluating the `url` attribute passed to builtins.fetchMercurial").toOwned();
url = state.coerceToString(attr.pos, *attr.value, context, false, false).toOwned();
else if (n == "rev") {
// Ugly: unlike fetchGit, here the "rev" attribute can
// 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");
auto value = state.forceStringNoCtx(*attr.value, attr.pos);
if (std::regex_match(value.begin(), value.end(), revRegex))
rev = Hash::parseAny(value, htSHA1);
else
ref = value;
}
else if (n == "name")
name = state.forceStringNoCtx(*attr.value, attr.pos, "while evaluating the `name` attribute passed to builtins.fetchMercurial");
name = state.forceStringNoCtx(*attr.value, attr.pos);
else
throw EvalError({
.msg = hintfmt("unsupported argument '%s' to 'fetchMercurial'", state.symbols[attr.name]),
@ -48,7 +50,7 @@ static void prim_fetchMercurial(EvalState & state, const PosIdx pos, Value * * a
});
} else
url = state.coerceToString(pos, *args[0], context, false, false, "while evaluating the first argument passed to builtins.fetchMercurial").toOwned();
url = state.coerceToString(pos, *args[0], context, false, false).toOwned();
// FIXME: git externals probably can be used to bypass the URI
// whitelist. Ah well.

18
src/libexpr/primops/fetchTree.cc
View file

@ -102,7 +102,7 @@ static void fetchTree(
state.forceValue(*args[0], pos);
if (args[0]->type() == nAttrs) {
state.forceAttrs(*args[0], pos, "while evaluating the argument passed to builtins.fetchTree");
state.forceAttrs(*args[0], pos);
fetchers::Attrs attrs;
@ -112,7 +112,7 @@ static void fetchTree(
.msg = hintfmt("unexpected attribute 'type'"),
.errPos = state.positions[pos]
}));
type = state.forceStringNoCtx(*aType->value, aType->pos, "while evaluating the `type` attribute passed to builtins.fetchTree");
type = state.forceStringNoCtx(*aType->value, aType->pos);
} else if (!type)
state.debugThrowLastTrace(EvalError({
.msg = hintfmt("attribute 'type' is missing in call to 'fetchTree'"),
@ -125,7 +125,7 @@ static void fetchTree(
if (attr.name == state.sType) continue;
state.forceValue(*attr.value, attr.pos);
if (attr.value->type() == nPath || attr.value->type() == nString) {
auto s = state.coerceToString(attr.pos, *attr.value, context, false, false, "").toOwned();
auto s = state.coerceToString(attr.pos, *attr.value, context, false, false).toOwned();
attrs.emplace(state.symbols[attr.name],
state.symbols[attr.name] == "url"
? type == "git"
@ -151,7 +151,7 @@ static void fetchTree(
input = fetchers::Input::fromAttrs(std::move(attrs));
} else {
auto url = state.coerceToString(pos, *args[0], context, false, false, "while evaluating the first argument passed to the fetcher").toOwned();
auto url = state.coerceToString(pos, *args[0], context, false, false).toOwned();
if (type == "git") {
fetchers::Attrs attrs;
@ -195,14 +195,16 @@ static void fetch(EvalState & state, const PosIdx pos, Value * * args, Value & v
if (args[0]->type() == nAttrs) {
state.forceAttrs(*args[0], pos);
for (auto & attr : *args[0]->attrs) {
std::string_view n(state.symbols[attr.name]);
if (n == "url")
url = state.forceStringNoCtx(*attr.value, attr.pos, "while evaluating the url we should fetch");
url = state.forceStringNoCtx(*attr.value, attr.pos);
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), htSHA256);
else if (n == "name")
name = state.forceStringNoCtx(*attr.value, attr.pos, "while evaluating the name of the content we should fetch");
name = state.forceStringNoCtx(*attr.value, attr.pos);
else
state.debugThrowLastTrace(EvalError({
.msg = hintfmt("unsupported argument '%s' to '%s'", n, who),
@ -216,7 +218,7 @@ static void fetch(EvalState & state, const PosIdx pos, Value * * args, Value & v
.errPos = state.positions[pos]
}));
} else
url = state.forceStringNoCtx(*args[0], pos, "while evaluating the url we should fetch");
url = state.forceStringNoCtx(*args[0], pos);
state.checkURI(*url);

2
src/libexpr/primops/fromTOML.cc
View file

@ -7,7 +7,7 @@ namespace nix {
static void prim_fromTOML(EvalState & state, const PosIdx pos, Value * * args, Value & val)
{
auto toml = state.forceStringNoCtx(*args[0], pos, "while evaluating the argument passed to builtins.fromTOML");
auto toml = state.forceStringNoCtx(*args[0], pos);
std::istringstream tomlStream(std::string{toml});