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dependencies.cpp
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#include <vcpkg/base/files.h>
#include <vcpkg/base/graphs.h>
#include <vcpkg/base/optional.h>
#include <vcpkg/base/strings.h>
#include <vcpkg/base/util.h>
#include <vcpkg/cmakevars.h>
#include <vcpkg/dependencies.h>
#include <vcpkg/documentation.h>
#include <vcpkg/metrics.h>
#include <vcpkg/packagespec.h>
#include <vcpkg/paragraphs.h>
#include <vcpkg/portfileprovider.h>
#include <vcpkg/statusparagraphs.h>
#include <vcpkg/vcpkglib.h>
#include <vcpkg/vcpkgpaths.h>
#include <unordered_map>
#include <unordered_set>
namespace vcpkg
{
namespace
{
struct ClusterGraph;
struct ClusterInstalled
{
ClusterInstalled(const InstalledPackageView& ipv) : ipv(ipv)
{
original_features.emplace("core");
for (auto&& feature : ipv.features)
{
original_features.emplace(feature->package.feature);
}
}
InstalledPackageView ipv;
std::unordered_set<PackageSpec> remove_edges;
std::unordered_set<std::string> original_features;
// Tracks whether an incoming request has asked for the default features -- on reinstall, add them
bool defaults_requested = false;
};
struct ClusterInstallInfo
{
std::map<std::string, std::vector<FeatureSpec>> build_edges;
std::map<PackageSpec, std::set<Version, VersionMapLess>> version_constraints;
bool defaults_requested = false;
std::vector<std::string> default_features;
bool reduced_defaults = false;
};
/// <summary>
/// Representation of a package and its features in a ClusterGraph.
/// </summary>
struct Cluster
{
Cluster(const InstalledPackageView& ipv, ExpectedL<const SourceControlFileAndLocation&>&& scfl)
: m_spec(ipv.spec()), m_scfl(std::move(scfl)), m_installed(ipv)
{
}
Cluster(const PackageSpec& spec, const SourceControlFileAndLocation& scfl) : m_spec(spec), m_scfl(scfl) { }
Cluster(const Cluster&) = delete;
Cluster(Cluster&&) = default;
Cluster& operator=(const Cluster&) = delete;
Cluster& operator=(Cluster&&) = default;
bool has_feature_installed(const std::string& feature) const
{
if (const ClusterInstalled* inst = m_installed.get())
{
return Util::Sets::contains(inst->original_features, feature);
}
return false;
}
bool has_defaults_installed() const
{
if (const ClusterInstalled* inst = m_installed.get())
{
return std::all_of(inst->ipv.core->package.default_features.begin(),
inst->ipv.core->package.default_features.end(),
[&](const std::string& feature) {
return Util::Sets::contains(inst->original_features, feature);
});
}
return false;
}
// Returns dependencies which were added as a result of this call.
// Precondition: must have called "mark_for_reinstall()" or "create_install_info()" on this cluster
void add_feature(const std::string& feature,
const CMakeVars::CMakeVarProvider& var_provider,
std::vector<FeatureSpec>& out_new_dependencies,
Triplet host_triplet)
{
const auto& scfl = get_scfl_or_exit();
ClusterInstallInfo& info = m_install_info.value_or_exit(VCPKG_LINE_INFO);
if (feature == "default")
{
if (!info.defaults_requested)
{
if (Util::any_of(scfl.source_control_file->core_paragraph->default_features,
[](const auto& feature) { return !feature.platform.is_empty(); }))
{
if (auto maybe_vars = var_provider.get_dep_info_vars(m_spec))
{
info.defaults_requested = true;
for (auto&& f : scfl.source_control_file->core_paragraph->default_features)
{
if (f.platform.evaluate(maybe_vars.value_or_exit(VCPKG_LINE_INFO)))
{
info.default_features.push_back(f.name);
}
}
}
}
else
{
info.defaults_requested = true;
for (auto&& f : scfl.source_control_file->core_paragraph->default_features)
info.default_features.push_back(f.name);
}
if (info.reduced_defaults)
{
info.reduced_defaults = false;
// If the user did not explicitly request this installation, we need to add all new default
// features
std::set<std::string> defaults_set{info.default_features.begin(),
info.default_features.end()};
// Install only features that were not previously available
if (auto p_inst = m_installed.get())
{
for (auto&& prev_default : p_inst->ipv.core->package.default_features)
{
defaults_set.erase(prev_default);
}
}
for (const std::string& default_feature : defaults_set)
{
// Instead of dealing with adding default features to each of our dependencies right
// away we just defer to the next pass of the loop.
out_new_dependencies.emplace_back(m_spec, default_feature);
}
}
else
{
for (auto&& default_feature : std::move(info.default_features))
{
out_new_dependencies.emplace_back(m_spec, std::move(default_feature));
}
}
}
return;
}
if (Util::Sets::contains(info.build_edges, feature))
{
// This feature has already been completely handled
return;
}
auto maybe_vars = var_provider.get_dep_info_vars(m_spec);
Optional<const std::vector<Dependency>&> maybe_qualified_deps =
scfl.source_control_file->find_dependencies_for_feature(feature);
if (!maybe_qualified_deps.has_value())
{
Checks::msg_exit_with_message(VCPKG_LINE_INFO,
msgFailedToFindPortFeature,
msg::feature = feature,
msg::package_name = m_spec.name());
}
const std::vector<Dependency>* qualified_deps = &maybe_qualified_deps.value_or_exit(VCPKG_LINE_INFO);
std::vector<FeatureSpec> dep_list;
if (auto vars = maybe_vars.get())
{
// Qualified dependency resolution is available
for (auto&& dep : *qualified_deps)
{
if (dep.platform.evaluate(*vars))
{
std::vector<std::string> features;
features.reserve(dep.features.size());
for (const auto& f : dep.features)
{
if (f.platform.evaluate(*vars))
{
features.push_back(f.name);
}
}
auto fullspec = dep.to_full_spec(features, m_spec.triplet(), host_triplet);
fullspec.expand_fspecs_to(dep_list);
if (auto opt = dep.constraint.try_get_minimum_version())
{
info.version_constraints[fullspec.package_spec].insert(
std::move(opt).value_or_exit(VCPKG_LINE_INFO));
}
}
}
Util::sort_unique_erase(dep_list);
info.build_edges.emplace(feature, dep_list);
}
else
{
bool requires_qualified_resolution = false;
for (const Dependency& dep : *qualified_deps)
{
if (!dep.has_platform_expressions())
{
auto fullspec =
dep.to_full_spec(Util::fmap(dep.features, [](const auto& f) { return f.name; }),
m_spec.triplet(),
host_triplet);
fullspec.expand_fspecs_to(dep_list);
if (auto opt = dep.constraint.try_get_minimum_version())
{
info.version_constraints[fullspec.package_spec].insert(
std::move(opt).value_or_exit(VCPKG_LINE_INFO));
}
}
else
{
requires_qualified_resolution = true;
}
}
Util::sort_unique_erase(dep_list);
if (requires_qualified_resolution)
{
auto my_spec = this->m_spec;
Util::erase_remove_if(dep_list, [my_spec](FeatureSpec& f) { return f.spec() == my_spec; });
}
else
{
info.build_edges.emplace(feature, dep_list);
}
}
Util::Vectors::append(&out_new_dependencies, dep_list);
}
void create_install_info(std::vector<FeatureSpec>& out_reinstall_requirements)
{
bool defaults_requested = false;
if (const ClusterInstalled* inst = m_installed.get())
{
out_reinstall_requirements.emplace_back(m_spec, "core");
auto& scfl = get_scfl_or_exit();
for (const std::string& installed_feature : inst->original_features)
{
if (scfl.source_control_file->find_feature(installed_feature).has_value())
out_reinstall_requirements.emplace_back(m_spec, installed_feature);
}
defaults_requested = inst->defaults_requested;
}
Checks::check_exit(VCPKG_LINE_INFO, !m_install_info.has_value());
m_install_info = make_optional(ClusterInstallInfo{});
if (defaults_requested)
{
out_reinstall_requirements.emplace_back(m_spec, "default");
}
else if (request_type != RequestType::USER_REQUESTED)
{
out_reinstall_requirements.emplace_back(m_spec, "default");
m_install_info.get()->reduced_defaults = true;
}
}
const SourceControlFileAndLocation& get_scfl_or_exit() const
{
if (auto scfl = m_scfl.get())
{
return *scfl;
}
Checks::msg_exit_with_error(
VCPKG_LINE_INFO,
msg::format(msgFailedToLoadInstalledManifest, msg::package_name = m_spec.name())
.append_raw('\n')
.append_raw(m_scfl.error()));
}
Optional<const PlatformExpression::Expr&> get_applicable_supports_expression(const FeatureSpec& spec) const
{
if (spec.feature() == "core")
{
return get_scfl_or_exit().source_control_file->core_paragraph->supports_expression;
}
else if (spec.feature() != "default")
{
auto maybe_paragraph = get_scfl_or_exit().source_control_file->find_feature(spec.feature());
Checks::msg_check_maybe_upgrade(VCPKG_LINE_INFO,
maybe_paragraph.has_value(),
msgFailedToFindPortFeature,
msg::feature = spec.feature(),
msg::package_name = spec.port());
return maybe_paragraph.get()->supports_expression;
}
return nullopt;
}
Optional<Version> get_version() const
{
if (auto p_installed = m_installed.get())
{
return p_installed->ipv.core->package.get_version();
}
else if (auto p_scfl = m_scfl.get())
{
return p_scfl->to_version();
}
else
return nullopt;
}
PackageSpec m_spec;
ExpectedL<const SourceControlFileAndLocation&> m_scfl;
Optional<ClusterInstalled> m_installed;
Optional<ClusterInstallInfo> m_install_info;
RequestType request_type = RequestType::AUTO_SELECTED;
};
struct PackageGraph
{
PackageGraph(const PortFileProvider& provider,
const CMakeVars::CMakeVarProvider& var_provider,
const StatusParagraphs& status_db,
Triplet host_triplet,
const Path& packages_dir);
~PackageGraph() = default;
void install(Span<const FeatureSpec> specs, UnsupportedPortAction unsupported_port_action);
void upgrade(Span<const PackageSpec> specs, UnsupportedPortAction unsupported_port_action);
void mark_user_requested(const PackageSpec& spec);
ActionPlan serialize(GraphRandomizer* randomizer) const;
void mark_for_reinstall(const PackageSpec& spec,
std::vector<FeatureSpec>& out_reinstall_requirements) const;
const CMakeVars::CMakeVarProvider& m_var_provider;
std::unique_ptr<ClusterGraph> m_graph;
Path m_packages_dir;
std::map<FeatureSpec, PlatformExpression::Expr> m_unsupported_features;
};
/// <summary>
/// Directional graph representing a collection of packages with their features connected by their dependencies.
/// </summary>
struct ClusterGraph
{
explicit ClusterGraph(const PortFileProvider& port_provider, Triplet host_triplet)
: m_port_provider(port_provider), m_host_triplet(host_triplet)
{
}
ClusterGraph(const ClusterGraph&) = delete;
ClusterGraph& operator=(const ClusterGraph&) = delete;
/// <summary>
/// Find the cluster associated with spec or if not found, create it from the PortFileProvider.
/// </summary>
/// <param name="spec">Package spec to get the cluster for.</param>
/// <returns>The cluster found or created for spec.</returns>
Cluster& get(const PackageSpec& spec)
{
auto it = m_graph.find(spec);
if (it == m_graph.end())
{
auto maybe_scfl = m_port_provider.get_control_file(spec.name());
if (auto scfl = maybe_scfl.get())
{
it = m_graph
.emplace(std::piecewise_construct,
std::forward_as_tuple(spec),
std::forward_as_tuple(spec, *scfl))
.first;
}
else
{
Checks::msg_exit_with_error(VCPKG_LINE_INFO,
msg::format(msgWhileLookingForSpec, msg::spec = spec)
.append_raw('\n')
.append_raw(maybe_scfl.error()));
}
}
return it->second;
}
Cluster& insert(const InstalledPackageView& ipv)
{
ExpectedL<const SourceControlFileAndLocation&> maybe_scfl =
m_port_provider.get_control_file(ipv.spec().name());
return m_graph
.emplace(std::piecewise_construct,
std::forward_as_tuple(ipv.spec()),
std::forward_as_tuple(ipv, std::move(maybe_scfl)))
.first->second;
}
const Cluster& find_or_exit(const PackageSpec& spec, LineInfo li) const
{
auto it = m_graph.find(spec);
Checks::msg_check_exit(li, it != m_graph.end(), msgFailedToLocateSpec, msg::spec = spec);
return it->second;
}
auto begin() const { return m_graph.begin(); }
auto end() const { return m_graph.end(); }
private:
std::map<PackageSpec, Cluster> m_graph;
const PortFileProvider& m_port_provider;
public:
const Triplet m_host_triplet;
};
}
static void format_plan_row(LocalizedString& out, const InstallPlanAction& action, const Path& builtin_ports_dir)
{
out.append_raw(request_type_indent(action.request_type))
.append_raw(action.displayname())
.append_raw(" -> ")
.append_raw(action.version());
if (action.build_options.use_head_version == UseHeadVersion::YES)
{
out.append_raw(" (+HEAD)");
}
if (auto scfl = action.source_control_file_and_location.get())
{
if (!builtin_ports_dir.empty() &&
!Strings::case_insensitive_ascii_starts_with(scfl->source_location, builtin_ports_dir))
{
out.append_raw(" -- ").append_raw(scfl->source_location);
}
}
}
StringLiteral request_type_indent(RequestType request_type)
{
switch (request_type)
{
case RequestType::AUTO_SELECTED: return " * ";
case RequestType::USER_REQUESTED: return " ";
default: Checks::unreachable(VCPKG_LINE_INFO);
}
}
bool BasicAction::compare_by_name(const BasicAction* left, const BasicAction* right)
{
return left->spec.name() < right->spec.name();
}
std::string PackageAction::displayname() const
{
if (this->feature_list.empty_or_only_core())
{
return this->spec.to_string();
}
const std::string features = Strings::join(",", feature_list);
return fmt::format("{}[{}]:{}", this->spec.name(), features, this->spec.triplet());
}
static std::vector<PackageSpec> fdeps_to_pdeps(const PackageSpec& self,
const std::map<std::string, std::vector<FeatureSpec>>& dependencies)
{
std::set<PackageSpec> specs;
for (auto&& p : dependencies)
{
for (auto&& q : p.second)
{
specs.insert(q.spec());
}
}
specs.erase(self);
return {specs.begin(), specs.end()};
}
static InternalFeatureSet fdeps_to_feature_list(const std::map<std::string, std::vector<FeatureSpec>>& fdeps)
{
InternalFeatureSet ret;
for (auto&& d : fdeps)
{
ret.push_back(d.first);
}
return ret;
}
InstallPlanAction::InstallPlanAction(const PackageSpec& spec,
const SourceControlFileAndLocation& scfl,
const Path& packages_dir,
const RequestType& request_type,
Triplet host_triplet,
std::map<std::string, std::vector<FeatureSpec>>&& dependencies,
std::vector<LocalizedString>&& build_failure_messages,
std::vector<std::string> default_features)
: PackageAction{{spec}, fdeps_to_pdeps(spec, dependencies), fdeps_to_feature_list(dependencies)}
, source_control_file_and_location(scfl)
, default_features(std::move(default_features))
, plan_type(InstallPlanType::BUILD_AND_INSTALL)
, request_type(request_type)
, build_options{}
, feature_dependencies(std::move(dependencies))
, build_failure_messages(std::move(build_failure_messages))
, host_triplet(host_triplet)
, package_dir(packages_dir / spec.dir())
{
}
InstallPlanAction::InstallPlanAction(InstalledPackageView&& ipv, const RequestType& request_type)
: PackageAction{{ipv.spec()}, ipv.dependencies(), ipv.feature_list()}
, installed_package(std::move(ipv))
, plan_type(InstallPlanType::ALREADY_INSTALLED)
, request_type(request_type)
, build_options{}
, feature_dependencies(installed_package.get()->feature_dependencies())
{
}
const std::string& InstallPlanAction::public_abi() const
{
switch (plan_type)
{
case InstallPlanType::ALREADY_INSTALLED:
return installed_package.value_or_exit(VCPKG_LINE_INFO).core->package.abi;
case InstallPlanType::BUILD_AND_INSTALL:
{
auto&& i = abi_info.value_or_exit(VCPKG_LINE_INFO);
if (auto o = i.pre_build_info->public_abi_override.get())
return *o;
else
return i.package_abi;
}
default: Checks::unreachable(VCPKG_LINE_INFO);
}
}
bool InstallPlanAction::has_package_abi() const
{
const auto p = abi_info.get();
return p && !p->package_abi.empty();
}
Optional<const std::string&> InstallPlanAction::package_abi() const
{
const auto p = abi_info.get();
if (!p || p->package_abi.empty()) return nullopt;
return p->package_abi;
}
const PreBuildInfo& InstallPlanAction::pre_build_info(LineInfo li) const
{
return *abi_info.value_or_exit(li).pre_build_info;
}
Version InstallPlanAction::version() const
{
if (auto scfl = source_control_file_and_location.get())
{
return scfl->to_version();
}
else if (auto ipv = installed_package.get())
{
return ipv->version();
}
else
{
Checks::unreachable(VCPKG_LINE_INFO);
}
}
NotInstalledAction::NotInstalledAction(const PackageSpec& spec) : BasicAction{spec} { }
RemovePlanAction::RemovePlanAction(const PackageSpec& spec, RequestType request_type)
: BasicAction{spec}, request_type(request_type)
{
}
static LocalizedString create_unsupported_message(decltype(msgUnsupportedFeatureSupportsExpression) m,
const FeatureSpec& spec,
const PlatformExpression::Expr& expr)
{
const auto feature_spec =
(spec.feature() == "core" ? spec.port() : format_name_only_feature_spec(spec.port(), spec.feature()));
return msg::format(m,
msg::package_name = spec.port(),
msg::feature_spec = feature_spec,
msg::supports_expression = to_string(expr),
msg::triplet = spec.triplet());
}
void ActionPlan::print_unsupported_warnings()
{
for (const auto& entry : unsupported_features)
{
const auto& spec = entry.first;
const auto feature_spec =
(spec.feature() == "core" ? spec.port() : format_name_only_feature_spec(spec.port(), spec.feature()));
msg::println_warning(msgUnsupportedFeatureSupportsExpressionWarning,
msg::feature_spec = feature_spec,
msg::supports_expression = to_string(entry.second),
msg::triplet = spec.triplet());
}
}
ExportPlanAction::ExportPlanAction(const PackageSpec& spec,
InstalledPackageView&& installed_package,
RequestType request_type)
: BasicAction{spec}
, plan_type(ExportPlanType::ALREADY_BUILT)
, request_type(request_type)
, m_installed_package(std::move(installed_package))
{
}
ExportPlanAction::ExportPlanAction(const PackageSpec& spec, RequestType request_type)
: BasicAction{spec}, plan_type(ExportPlanType::NOT_BUILT), request_type(request_type)
{
}
Optional<const BinaryParagraph&> ExportPlanAction::core_paragraph() const
{
if (auto p_ip = m_installed_package.get())
{
return p_ip->core->package;
}
return nullopt;
}
std::vector<PackageSpec> ExportPlanAction::dependencies() const
{
if (auto p_ip = m_installed_package.get())
return p_ip->dependencies();
else
return {};
}
bool RemovePlan::empty() const { return not_installed.empty() && remove.empty(); }
bool RemovePlan::has_non_user_requested() const
{
constexpr struct
{
bool operator()(const RemovePlanAction& a) const { return a.request_type != RequestType::USER_REQUESTED; }
} non_user_requested;
return Util::find_if(remove, non_user_requested) != remove.end();
}
RemovePlan create_remove_plan(const std::vector<PackageSpec>& specs, const StatusParagraphs& status_db)
{
struct RemoveAdjacencyProvider final : AdjacencyProvider<PackageSpec, PackageSpec>
{
std::unordered_map<PackageSpec, std::vector<PackageSpec>> rev_edges;
std::vector<PackageSpec> adjacency_list(const PackageSpec& spec) const override
{
return Util::copy_or_default(rev_edges, spec);
}
PackageSpec load_vertex_data(const PackageSpec& s) const override { return s; }
std::string to_string(const PackageSpec& spec) const override { return spec.to_string(); }
};
RemoveAdjacencyProvider p;
for (auto&& a : get_installed_ports(status_db))
{
p.rev_edges.emplace(a.spec(), std::initializer_list<PackageSpec>{});
for (auto&& b : a.dependencies())
{
p.rev_edges[b].push_back(a.spec());
}
}
auto remove_order = topological_sort(specs, p, nullptr);
const std::unordered_set<PackageSpec> requested(specs.cbegin(), specs.cend());
RemovePlan plan;
for (auto&& step : remove_order)
{
if (p.rev_edges.find(step) != p.rev_edges.end())
{
// installed
plan.remove.emplace_back(step,
Util::Sets::contains(requested, step) ? RequestType::USER_REQUESTED
: RequestType::AUTO_SELECTED);
}
else
{
plan.not_installed.emplace_back(step);
}
}
return plan;
}
std::vector<ExportPlanAction> create_export_plan(const std::vector<PackageSpec>& specs,
const StatusParagraphs& status_db)
{
struct ExportAdjacencyProvider final : AdjacencyProvider<PackageSpec, ExportPlanAction>
{
const StatusParagraphs& status_db;
const std::unordered_set<PackageSpec>& specs_as_set;
ExportAdjacencyProvider(const StatusParagraphs& s, const std::unordered_set<PackageSpec>& specs_as_set)
: status_db(s), specs_as_set(specs_as_set)
{
}
std::vector<PackageSpec> adjacency_list(const ExportPlanAction& plan) const override
{
return plan.dependencies();
}
ExportPlanAction load_vertex_data(const PackageSpec& spec) const override
{
const RequestType request_type =
Util::Sets::contains(specs_as_set, spec) ? RequestType::USER_REQUESTED : RequestType::AUTO_SELECTED;
auto maybe_ipv = status_db.get_installed_package_view(spec);
if (auto p_ipv = maybe_ipv.get())
{
return ExportPlanAction{spec, std::move(*p_ipv), request_type};
}
return ExportPlanAction{spec, request_type};
}
std::string to_string(const PackageSpec& spec) const override { return spec.to_string(); }
};
const std::unordered_set<PackageSpec> specs_as_set(specs.cbegin(), specs.cend());
std::vector<ExportPlanAction> toposort =
topological_sort(specs, ExportAdjacencyProvider{status_db, specs_as_set}, {});
return toposort;
}
void PackageGraph::mark_user_requested(const PackageSpec& spec)
{
m_graph->get(spec).request_type = RequestType::USER_REQUESTED;
}
ActionPlan create_feature_install_plan(const PortFileProvider& port_provider,
const CMakeVars::CMakeVarProvider& var_provider,
View<FullPackageSpec> specs,
const StatusParagraphs& status_db,
const CreateInstallPlanOptions& options)
{
PackageGraph pgraph(port_provider, var_provider, status_db, options.host_triplet, options.packages_dir);
std::vector<FeatureSpec> feature_specs;
for (const FullPackageSpec& spec : specs)
{
pgraph.mark_user_requested(spec.package_spec);
spec.expand_fspecs_to(feature_specs);
}
Util::sort_unique_erase(feature_specs);
pgraph.install(feature_specs, options.unsupported_port_action);
return pgraph.serialize(options.randomizer);
}
void PackageGraph::mark_for_reinstall(const PackageSpec& first_remove_spec,
std::vector<FeatureSpec>& out_reinstall_requirements) const
{
std::set<PackageSpec> removed;
std::vector<PackageSpec> to_remove{first_remove_spec};
while (!to_remove.empty())
{
PackageSpec remove_spec = std::move(to_remove.back());
to_remove.pop_back();
if (!removed.insert(remove_spec).second) continue;
Cluster& clust = m_graph->get(remove_spec);
ClusterInstalled& info = clust.m_installed.value_or_exit(VCPKG_LINE_INFO);
if (!clust.m_install_info)
{
clust.create_install_info(out_reinstall_requirements);
}
to_remove.insert(to_remove.end(), info.remove_edges.begin(), info.remove_edges.end());
}
}
/// The list of specs to install should already have default features expanded
void PackageGraph::install(Span<const FeatureSpec> specs, UnsupportedPortAction unsupported_port_action)
{
// We batch resolving qualified dependencies, because it's an invocation of CMake which
// takes ~150ms per call.
std::vector<FeatureSpec> qualified_dependencies;
std::vector<FeatureSpec> next_dependencies{specs.begin(), specs.end()};
// Keep running while there is any chance of finding more dependencies
while (!next_dependencies.empty())
{
// Keep running until the only dependencies left are qualified
while (!next_dependencies.empty())
{
// Extract the top of the stack
const FeatureSpec spec = std::move(next_dependencies.back());
next_dependencies.pop_back();
// Get the cluster for the PackageSpec of the FeatureSpec we are adding to the install graph
Cluster& clust = m_graph->get(spec.spec());
if (spec.feature() == "*")
{
// Expand wildcard feature
for (auto&& fpgh : clust.get_scfl_or_exit().source_control_file->feature_paragraphs)
{
next_dependencies.emplace_back(spec.spec(), fpgh->name);
}
continue;
}
// If this spec hasn't already had its qualified dependencies resolved
if (!m_var_provider.get_dep_info_vars(spec.spec()).has_value())
{
// TODO: There's always the chance that we don't find the feature we're looking for (probably a
// malformed CONTROL file somewhere). We should probably output a better error.
const std::vector<Dependency>* paragraph_depends = nullptr;
bool has_supports = false;
if (spec.feature() == "core")
{
paragraph_depends = &clust.get_scfl_or_exit().source_control_file->core_paragraph->dependencies;
has_supports = !clust.get_scfl_or_exit()
.source_control_file->core_paragraph->supports_expression.is_empty();
}
else if (spec.feature() == "default")
{
has_supports = Util::any_of(
clust.get_scfl_or_exit().source_control_file->core_paragraph->default_features,
[](const DependencyRequestedFeature& feature) { return !feature.platform.is_empty(); });
}
else
{
auto maybe_paragraph =
clust.get_scfl_or_exit().source_control_file->find_feature(spec.feature());
Checks::msg_check_maybe_upgrade(VCPKG_LINE_INFO,
maybe_paragraph.has_value(),
msgFailedToFindPortFeature,
msg::feature = spec.feature(),
msg::package_name = spec.port());
paragraph_depends = &maybe_paragraph.value_or_exit(VCPKG_LINE_INFO).dependencies;
has_supports = !maybe_paragraph.get()->supports_expression.is_empty();
}
// And it has at least one qualified dependency
if (has_supports ||
(paragraph_depends && Util::any_of(*paragraph_depends, [](const Dependency& dep) {
return dep.has_platform_expressions();
})))
{
// Add it to the next batch run
qualified_dependencies.emplace_back(spec);
}
}
else
{
auto maybe_supports_expression = clust.get_applicable_supports_expression(spec);
auto supports_expression = maybe_supports_expression.get();
if (supports_expression && !supports_expression->is_empty())
{
if (!supports_expression->evaluate(
m_var_provider.get_dep_info_vars(spec.spec()).value_or_exit(VCPKG_LINE_INFO)))
{
const auto supports_expression_text = to_string(*supports_expression);
if (unsupported_port_action == UnsupportedPortAction::Error)
{
Checks::msg_exit_with_message(
VCPKG_LINE_INFO,
create_unsupported_message(
msgUnsupportedFeatureSupportsExpression, spec, *supports_expression));
}
else
{
m_unsupported_features.emplace(spec, *supports_expression);
}
}
}
}
if (clust.m_install_info.has_value())
{
clust.add_feature(spec.feature(), m_var_provider, next_dependencies, m_graph->m_host_triplet);
}
else
{
if (!clust.m_installed.has_value())
{
clust.create_install_info(next_dependencies);
clust.add_feature(spec.feature(), m_var_provider, next_dependencies, m_graph->m_host_triplet);
}
else
{
if (spec.feature() == "default")
{
if (!clust.m_installed.get()->defaults_requested)
{
clust.m_installed.get()->defaults_requested = true;
if (!clust.has_defaults_installed())
{
mark_for_reinstall(spec.spec(), next_dependencies);
}
}
}
else if (!clust.has_feature_installed(spec.feature()))
{
// If install_info is not present and it is already installed, we have never added a feature
// which hasn't already been installed to this cluster. In this case, we need to reinstall
// the port if the feature isn't already present.
mark_for_reinstall(spec.spec(), next_dependencies);
clust.add_feature(
spec.feature(), m_var_provider, next_dependencies, m_graph->m_host_triplet);
}
}
}
}
if (!qualified_dependencies.empty())
{
Util::sort_unique_erase(qualified_dependencies);
// Extract the package specs we need to get dependency info from. We don't run the triplet on a per
// feature basis. We run it once for the whole port.
auto qualified_package_specs =
Util::fmap(qualified_dependencies, [](const FeatureSpec& fspec) { return fspec.spec(); });
Util::sort_unique_erase(qualified_package_specs);
m_var_provider.load_dep_info_vars(qualified_package_specs, m_graph->m_host_triplet);
// Put all the FeatureSpecs for which we had qualified dependencies back on the dependencies stack.
// We need to recheck if evaluating the triplet revealed any new dependencies.
next_dependencies.insert(next_dependencies.end(),
std::make_move_iterator(qualified_dependencies.begin()),
std::make_move_iterator(qualified_dependencies.end()));
qualified_dependencies.clear();
}
}
}
void PackageGraph::upgrade(Span<const PackageSpec> specs, UnsupportedPortAction unsupported_port_action)
{
std::vector<FeatureSpec> reinstall_reqs;
for (const PackageSpec& spec : specs)
mark_for_reinstall(spec, reinstall_reqs);
Util::sort_unique_erase(reinstall_reqs);
install(reinstall_reqs, unsupported_port_action);
}
ActionPlan create_upgrade_plan(const PortFileProvider& port_provider,
const CMakeVars::CMakeVarProvider& var_provider,
const std::vector<PackageSpec>& specs,
const StatusParagraphs& status_db,
const CreateInstallPlanOptions& options)
{
PackageGraph pgraph(port_provider, var_provider, status_db, options.host_triplet, options.packages_dir);
pgraph.upgrade(specs, options.unsupported_port_action);
return pgraph.serialize(options.randomizer);
}
ActionPlan PackageGraph::serialize(GraphRandomizer* randomizer) const
{
struct BaseEdgeProvider : AdjacencyProvider<PackageSpec, const Cluster*>
{
BaseEdgeProvider(const ClusterGraph& parent) : m_parent(parent) { }
std::string to_string(const PackageSpec& spec) const override { return spec.to_string(); }
const Cluster* load_vertex_data(const PackageSpec& spec) const override
{
return &m_parent.find_or_exit(spec, VCPKG_LINE_INFO);
}
const ClusterGraph& m_parent;
};
struct RemoveEdgeProvider final : BaseEdgeProvider
{
using BaseEdgeProvider::BaseEdgeProvider;