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Merge branch 'master' into flake_search

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tomberek 2021-12-23 15:22:52 -05:00 • committed by GitHub
commit f404189368
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110 changed files with 13588 additions and 4110 deletions
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8
src/libexpr/flake/config.cc
View file

@ -38,11 +38,11 @@ void ConfigFile::apply()
// FIXME: Move into libutil/config.cc.
std::string valueS;
if (auto s = std::get_if<std::string>(&value))
if (auto* s = std::get_if<std::string>(&value))
valueS = *s;
else if (auto n = std::get_if<int64_t>(&value))
valueS = fmt("%d", n);
else if (auto b = std::get_if<Explicit<bool>>(&value))
else if (auto* n = std::get_if<int64_t>(&value))
valueS = fmt("%d", *n);
else if (auto* b = std::get_if<Explicit<bool>>(&value))
valueS = b->t ? "true" : "false";
else if (auto ss = std::get_if<std::vector<std::string>>(&value))
valueS = concatStringsSep(" ", *ss); // FIXME: evil

10
src/libexpr/flake/flake.cc
View file

@ -155,7 +155,7 @@ static FlakeInput parseFlakeInput(EvalState & state,
if (!attrs.empty())
throw Error("unexpected flake input attribute '%s', at %s", attrs.begin()->first, pos);
if (url)
input.ref = parseFlakeRef(*url, baseDir, true);
input.ref = parseFlakeRef(*url, baseDir, true, input.isFlake);
}
if (!input.follows && !input.ref)
@ -194,8 +194,8 @@ static Flake getFlake(
state, originalRef, allowLookup, flakeCache);
// Guard against symlink attacks.
auto flakeDir = canonPath(sourceInfo.actualPath + "/" + lockedRef.subdir);
auto flakeFile = canonPath(flakeDir + "/flake.nix");
auto flakeDir = canonPath(sourceInfo.actualPath + "/" + lockedRef.subdir, true);
auto flakeFile = canonPath(flakeDir + "/flake.nix", true);
if (!isInDir(flakeFile, sourceInfo.actualPath))
throw Error("'flake.nix' file of flake '%s' escapes from '%s'",
lockedRef, state.store->printStorePath(sourceInfo.storePath));
@ -254,7 +254,7 @@ static Flake getFlake(
else if (setting.value->type() == nInt)
flake.config.settings.insert({setting.name, state.forceInt(*setting.value, *setting.pos)});
else if (setting.value->type() == nBool)
flake.config.settings.insert({setting.name, state.forceBool(*setting.value, *setting.pos)});
flake.config.settings.insert({setting.name, Explicit<bool> { state.forceBool(*setting.value, *setting.pos) }});
else if (setting.value->type() == nList) {
std::vector<std::string> ss;
for (auto elem : setting.value->listItems()) {
@ -570,7 +570,7 @@ LockedFlake lockFlake(
};
// Bring in the current ref for relative path resolution if we have it
auto parentPath = canonPath(flake.sourceInfo->actualPath + "/" + flake.lockedRef.subdir);
auto parentPath = canonPath(flake.sourceInfo->actualPath + "/" + flake.lockedRef.subdir, true);
computeLocks(
flake.inputs, newLockFile.root, {},

75
src/libexpr/flake/flakeref.cc
View file

@ -48,9 +48,12 @@ FlakeRef FlakeRef::resolve(ref<Store> store) const
}
FlakeRef parseFlakeRef(
const std::string & url, const std::optional<Path> & baseDir, bool allowMissing)
const std::string & url,
const std::optional<Path> & baseDir,
bool allowMissing,
bool isFlake)
{
auto [flakeRef, fragment] = parseFlakeRefWithFragment(url, baseDir, allowMissing);
auto [flakeRef, fragment] = parseFlakeRefWithFragment(url, baseDir, allowMissing, isFlake);
if (fragment != "")
throw Error("unexpected fragment '%s' in flake reference '%s'", fragment, url);
return flakeRef;
@ -67,7 +70,10 @@ std::optional<FlakeRef> maybeParseFlakeRef(
}
std::pair<FlakeRef, std::string> parseFlakeRefWithFragment(
const std::string & url, const std::optional<Path> & baseDir, bool allowMissing)
const std::string & url,
const std::optional<Path> & baseDir,
bool allowMissing,
bool isFlake)
{
using namespace fetchers;
@ -112,10 +118,9 @@ std::pair<FlakeRef, std::string> parseFlakeRefWithFragment(
to 'baseDir'). If so, search upward to the root of the
repo (i.e. the directory containing .git). */
path = absPath(path, baseDir, true);
path = absPath(path, baseDir);
if (!S_ISDIR(lstat(path).st_mode))
throw BadURL("path '%s' is not a flake (because it's not a directory)", path);
if (isFlake) {
if (!allowMissing && !pathExists(path + "/flake.nix")){
notice("path '%s' does not contain a 'flake.nix', searching up",path);
@ -138,39 +143,45 @@ std::pair<FlakeRef, std::string> parseFlakeRefWithFragment(
if (!found)
throw BadURL("could not find a flake.nix file");
}
if (!S_ISDIR(lstat(path).st_mode))
throw BadURL("path '%s' is not a flake (because it's not a directory)", path);
auto flakeRoot = path;
std::string subdir;
if (!allowMissing && !pathExists(path + "/flake.nix"))
throw BadURL("path '%s' is not a flake (because it doesn't contain a 'flake.nix' file)", path);
while (flakeRoot != "/") {
if (pathExists(flakeRoot + "/.git")) {
auto base = std::string("git+file://") + flakeRoot;
auto flakeRoot = path;
std::string subdir;
auto parsedURL = ParsedURL{
.url = base, // FIXME
.base = base,
.scheme = "git+file",
.authority = "",
.path = flakeRoot,
.query = decodeQuery(match[2]),
};
while (flakeRoot != "/") {
if (pathExists(flakeRoot + "/.git")) {
auto base = std::string("git+file://") + flakeRoot;
if (subdir != "") {
if (parsedURL.query.count("dir"))
throw Error("flake URL '%s' has an inconsistent 'dir' parameter", url);
parsedURL.query.insert_or_assign("dir", subdir);
auto parsedURL = ParsedURL{
.url = base, // FIXME
.base = base,
.scheme = "git+file",
.authority = "",
.path = flakeRoot,
.query = decodeQuery(match[2]),
};
if (subdir != "") {
if (parsedURL.query.count("dir"))
throw Error("flake URL '%s' has an inconsistent 'dir' parameter", url);
parsedURL.query.insert_or_assign("dir", subdir);
}
if (pathExists(flakeRoot + "/.git/shallow"))
parsedURL.query.insert_or_assign("shallow", "1");
return std::make_pair(
FlakeRef(Input::fromURL(parsedURL), get(parsedURL.query, "dir").value_or("")),
fragment);
}
if (pathExists(flakeRoot + "/.git/shallow"))
parsedURL.query.insert_or_assign("shallow", "1");
return std::make_pair(
FlakeRef(Input::fromURL(parsedURL), get(parsedURL.query, "dir").value_or("")),
fragment);
subdir = std::string(baseNameOf(flakeRoot)) + (subdir.empty() ? "" : "/" + subdir);
flakeRoot = dirOf(flakeRoot);
}
subdir = std::string(baseNameOf(flakeRoot)) + (subdir.empty() ? "" : "/" + subdir);
flakeRoot = dirOf(flakeRoot);
}
} else {

10
src/libexpr/flake/flakeref.hh
View file

@ -62,13 +62,19 @@ struct FlakeRef
std::ostream & operator << (std::ostream & str, const FlakeRef & flakeRef);
FlakeRef parseFlakeRef(
const std::string & url, const std::optional<Path> & baseDir = {}, bool allowMissing = false);
const std::string & url,
const std::optional<Path> & baseDir = {},
bool allowMissing = false,
bool isFlake = true);
std::optional<FlakeRef> maybeParseFlake(
const std::string & url, const std::optional<Path> & baseDir = {});
std::pair<FlakeRef, std::string> parseFlakeRefWithFragment(
const std::string & url, const std::optional<Path> & baseDir = {}, bool allowMissing = false);
const std::string & url,
const std::optional<Path> & baseDir = {},
bool allowMissing = false,
bool isFlake = true);
std::optional<std::pair<FlakeRef, std::string>> maybeParseFlakeRefWithFragment(
const std::string & url, const std::optional<Path> & baseDir = {});