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dependencies.cpp
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dependencies.cpp
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#include <vcpkg/base/files.h>
#include <vcpkg/base/graphs.h>
#include <vcpkg/base/strings.h>
#include <vcpkg/base/util.h>
#include <vcpkg/cmakevars.h>
#include <vcpkg/dependencies.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>
using namespace vcpkg;
namespace vcpkg::Dependencies
{
struct ClusterGraph;
namespace
{
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;
bool defaults_requested = false;
};
/// <summary>
/// Representation of a package and its features in a ClusterGraph.
/// </summary>
struct Cluster
{
Cluster(const InstalledPackageView& ipv, ExpectedS<const SourceControlFileLocation&>&& scfl)
: m_spec(ipv.spec()), m_scfl(std::move(scfl)), m_installed(ipv)
{
}
Cluster(const PackageSpec& spec, const SourceControlFileLocation& 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 inst->original_features.find(feature) != inst->original_features.end();
}
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 inst->original_features.find(feature) !=
inst->original_features.end();
});
}
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)
{
ClusterInstallInfo& info = m_install_info.value_or_exit(VCPKG_LINE_INFO);
if (feature == "default")
{
if (!info.defaults_requested)
{
info.defaults_requested = true;
for (auto&& f : get_scfl_or_exit().source_control_file->core_paragraph->default_features)
out_new_dependencies.emplace_back(m_spec, f);
}
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 =
get_scfl_or_exit().source_control_file->find_dependencies_for_feature(feature);
if (!maybe_qualified_deps.has_value())
{
Checks::exit_with_message(
VCPKG_LINE_INFO, "Error: could not find feature '%s' in port '%s'", feature, 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
auto fullspec_list = filter_dependencies(*qualified_deps, m_spec.triplet(), host_triplet, *vars);
for (auto&& fspec : fullspec_list)
{
Util::Vectors::append(&dep_list, fspec.to_feature_specs({"default"}, {"default"}));
}
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.platform.is_empty())
{
auto t = dep.host ? host_triplet : m_spec.triplet();
Util::Vectors::append(&dep_list,
FullPackageSpec({dep.name, t}, dep.features)
.to_feature_specs({"default"}, {"default"}));
}
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())
{
for (const std::string& installed_feature : inst->original_features)
{
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)
{
for (auto&& def_feature : get_scfl_or_exit().source_control_file->core_paragraph->default_features)
out_reinstall_requirements.emplace_back(m_spec, def_feature);
}
else if (request_type != RequestType::USER_REQUESTED)
{
// If the user did not explicitly request this installation, we need to add all new default features
auto&& new_defaults = get_scfl_or_exit().source_control_file->core_paragraph->default_features;
std::set<std::string> defaults_set{new_defaults.begin(), new_defaults.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& 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_reinstall_requirements.emplace_back(m_spec, feature);
}
}
}
const SourceControlFileLocation& get_scfl_or_exit() const
{
#if defined(_WIN32)
static auto vcpkg_remove_cmd = ".\\vcpkg";
#else
static auto vcpkg_remove_cmd = "./vcpkg";
#endif
if (!m_scfl)
{
Checks::exit_maybe_upgrade(
VCPKG_LINE_INFO,
"Error: while loading control file for %s: %s.\nPlease run \"%s remove %s\" and re-attempt.",
m_spec,
m_scfl.error(),
vcpkg_remove_cmd,
m_spec);
}
return *m_scfl.get();
}
PackageSpec m_spec;
ExpectedS<const SourceControlFileLocation&> m_scfl;
Optional<ClusterInstalled> m_installed;
Optional<ClusterInstallInfo> m_install_info;
RequestType request_type = RequestType::AUTO_SELECTED;
};
struct PackageGraph
{
PackageGraph(const PortFileProvider::PortFileProvider& provider,
const CMakeVars::CMakeVarProvider& var_provider,
const StatusParagraphs& status_db,
Triplet host_triplet);
~PackageGraph();
void install(Span<const FeatureSpec> specs);
void upgrade(Span<const PackageSpec> specs);
void mark_user_requested(const PackageSpec& spec);
ActionPlan serialize(Graphs::Randomizer* randomizer) const;
void mark_for_reinstall(const PackageSpec& spec, std::vector<FeatureSpec>& out_reinstall_requirements);
const CMakeVars::CMakeVarProvider& m_var_provider;
std::unique_ptr<ClusterGraph> m_graph;
};
}
/// <summary>
/// Directional graph representing a collection of packages with their features connected by their dependencies.
/// </summary>
struct ClusterGraph
{
explicit ClusterGraph(const PortFileProvider::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())
{
const SourceControlFileLocation* scfl = m_port_provider.get_control_file(spec.name()).get();
Checks::check_exit(VCPKG_LINE_INFO,
scfl,
"Error: Cannot find definition for package `%s` while getting `%s`.",
spec.name(),
spec);
it = m_graph
.emplace(
std::piecewise_construct, std::forward_as_tuple(spec), std::forward_as_tuple(spec, *scfl))
.first;
}
return it->second;
}
Cluster& insert(const InstalledPackageView& ipv)
{
ExpectedS<const SourceControlFileLocation&> maybe_scfl =
m_port_provider.get_control_file(ipv.spec().name());
if (maybe_scfl.has_value())
{
Checks::check_exit(VCPKG_LINE_INFO,
maybe_scfl.get()->source_control_file->core_paragraph->type.type ==
ipv.core->package.type.type,
"Error: the port type of '%s' differs between the installed and available "
"portfile.\nPlease manually remove '%s' and re-run this command.",
ipv.spec().name(),
ipv.spec());
}
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 linfo) const
{
auto it = m_graph.find(spec);
Checks::check_exit(linfo, it != m_graph.end(), "Failed to locate spec in graph: %s", 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::PortFileProvider& m_port_provider;
public:
const Triplet m_host_triplet;
};
static std::string to_output_string(RequestType request_type,
const CStringView s,
const Build::BuildPackageOptions& options,
const SourceControlFileLocation* scfl,
const InstalledPackageView* ipv,
const fs::path& builtin_ports_dir)
{
std::string ret;
switch (request_type)
{
case RequestType::AUTO_SELECTED: Strings::append(ret, " * "); break;
case RequestType::USER_REQUESTED: Strings::append(ret, " "); break;
default: Checks::unreachable(VCPKG_LINE_INFO);
}
Strings::append(ret, s);
if (scfl)
{
Strings::append(ret, " -> ", scfl->to_versiont());
}
else if (ipv)
{
Strings::append(ret, " -> ", VersionT{ipv->core->package.version, ipv->core->package.port_version});
}
if (options.use_head_version == Build::UseHeadVersion::YES)
{
Strings::append(ret, " (+HEAD)");
}
if (scfl)
{
const auto s_install_port_path = fs::u8string(scfl->source_location);
if (!builtin_ports_dir.empty() &&
!Strings::case_insensitive_ascii_starts_with(s_install_port_path, fs::u8string(builtin_ports_dir)))
{
Strings::append(ret, " -- ", s_install_port_path);
}
}
return ret;
}
std::string to_output_string(RequestType request_type,
const CStringView s,
const Build::BuildPackageOptions& options)
{
return to_output_string(request_type, s, options, {}, {}, {});
}
std::string to_output_string(RequestType request_type, const CStringView s)
{
return to_output_string(request_type, s, {}, {}, {}, {});
}
InstallPlanAction::InstallPlanAction() noexcept
: plan_type(InstallPlanType::UNKNOWN), request_type(RequestType::UNKNOWN), build_options{}
{
}
InstallPlanAction::InstallPlanAction(const PackageSpec& spec,
const SourceControlFileLocation& scfl,
const RequestType& request_type,
Triplet host_triplet,
std::map<std::string, std::vector<FeatureSpec>>&& dependencies)
: spec(spec)
, source_control_file_location(scfl)
, plan_type(InstallPlanType::BUILD_AND_INSTALL)
, request_type(request_type)
, build_options{}
, feature_dependencies(std::move(dependencies))
, host_triplet(host_triplet)
{
for (const auto& kv : feature_dependencies)
{
feature_list.emplace_back(kv.first);
for (const FeatureSpec& fspec : kv.second)
{
if (spec != fspec.spec())
{
package_dependencies.emplace_back(fspec.spec());
}
}
}
Util::sort_unique_erase(package_dependencies);
Util::sort_unique_erase(feature_list);
}
InstallPlanAction::InstallPlanAction(InstalledPackageView&& ipv, const RequestType& request_type)
: spec(ipv.spec())
, installed_package(std::move(ipv))
, plan_type(InstallPlanType::ALREADY_INSTALLED)
, request_type(request_type)
, build_options{}
, feature_dependencies(installed_package.get()->feature_dependencies())
, package_dependencies(installed_package.get()->dependencies())
{
for (const auto& kv : feature_dependencies)
{
feature_list.emplace_back(kv.first);
}
}
std::string InstallPlanAction::displayname() const
{
if (this->feature_list.empty())
{
return this->spec.to_string();
}
const std::string features = Strings::join(",", feature_list);
return Strings::format("%s[%s]:%s", this->spec.name(), features, this->spec.triplet());
}
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
{
if (!abi_info) return false;
return !abi_info.get()->package_abi.empty();
}
Optional<const std::string&> InstallPlanAction::package_abi() const
{
if (!abi_info) return nullopt;
if (abi_info.get()->package_abi.empty()) return nullopt;
return abi_info.get()->package_abi;
}
const Build::PreBuildInfo& InstallPlanAction::pre_build_info(LineInfo linfo) const
{
return *abi_info.value_or_exit(linfo).pre_build_info.get();
}
bool InstallPlanAction::compare_by_name(const InstallPlanAction* left, const InstallPlanAction* right)
{
return left->spec.name() < right->spec.name();
}
RemovePlanAction::RemovePlanAction() noexcept
: plan_type(RemovePlanType::UNKNOWN), request_type(RequestType::UNKNOWN)
{
}
RemovePlanAction::RemovePlanAction(const PackageSpec& spec,
const RemovePlanType& plan_type,
const RequestType& request_type)
: spec(spec), plan_type(plan_type), request_type(request_type)
{
}
bool ExportPlanAction::compare_by_name(const ExportPlanAction* left, const ExportPlanAction* right)
{
return left->spec.name() < right->spec.name();
}
ExportPlanAction::ExportPlanAction() noexcept
: plan_type(ExportPlanType::UNKNOWN), request_type(RequestType::UNKNOWN)
{
}
ExportPlanAction::ExportPlanAction(const PackageSpec& spec,
InstalledPackageView&& installed_package,
const RequestType& request_type)
: spec(spec)
, plan_type(ExportPlanType::ALREADY_BUILT)
, request_type(request_type)
, m_installed_package(std::move(installed_package))
{
}
ExportPlanAction::ExportPlanAction(const PackageSpec& spec, const RequestType& request_type)
: spec(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 RemovePlanAction::compare_by_name(const RemovePlanAction* left, const RemovePlanAction* right)
{
return left->spec.name() < right->spec.name();
}
std::vector<RemovePlanAction> create_remove_plan(const std::vector<PackageSpec>& specs,
const StatusParagraphs& status_db)
{
struct RemoveAdjacencyProvider final : Graphs::AdjacencyProvider<PackageSpec, RemovePlanAction>
{
const StatusParagraphs& status_db;
const std::vector<InstalledPackageView>& installed_ports;
const std::unordered_set<PackageSpec>& specs_as_set;
RemoveAdjacencyProvider(const StatusParagraphs& status_db,
const std::vector<InstalledPackageView>& installed_ports,
const std::unordered_set<PackageSpec>& specs_as_set)
: status_db(status_db), installed_ports(installed_ports), specs_as_set(specs_as_set)
{
}
std::vector<PackageSpec> adjacency_list(const RemovePlanAction& plan) const override
{
if (plan.plan_type == RemovePlanType::NOT_INSTALLED)
{
return {};
}
const PackageSpec& spec = plan.spec;
std::vector<PackageSpec> dependents;
for (auto&& ipv : installed_ports)
{
auto deps = ipv.dependencies();
if (std::find(deps.begin(), deps.end(), spec) == deps.end()) continue;
dependents.push_back(ipv.spec());
}
return dependents;
}
RemovePlanAction load_vertex_data(const PackageSpec& spec) const override
{
const RequestType request_type = specs_as_set.find(spec) != specs_as_set.end()
? RequestType::USER_REQUESTED
: RequestType::AUTO_SELECTED;
const StatusParagraphs::const_iterator it = status_db.find_installed(spec);
if (it == status_db.end())
{
return RemovePlanAction{spec, RemovePlanType::NOT_INSTALLED, request_type};
}
return RemovePlanAction{spec, RemovePlanType::REMOVE, request_type};
}
std::string to_string(const PackageSpec& spec) const override { return spec.to_string(); }
};
auto installed_ports = get_installed_ports(status_db);
const std::unordered_set<PackageSpec> specs_as_set(specs.cbegin(), specs.cend());
return Graphs::topological_sort(
std::move(specs), RemoveAdjacencyProvider{status_db, installed_ports, specs_as_set}, {});
}
std::vector<ExportPlanAction> create_export_plan(const std::vector<PackageSpec>& specs,
const StatusParagraphs& status_db)
{
struct ExportAdjacencyProvider final : Graphs::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 = specs_as_set.find(spec) != specs_as_set.end()
? 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 =
Graphs::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;
}
// `features` should have "default" instead of missing "core"
std::vector<FullPackageSpec> resolve_deps_as_top_level(const SourceControlFile& scf,
Triplet triplet,
Triplet host_triplet,
std::vector<std::string> features,
CMakeVars::CMakeVarProvider& var_provider)
{
PackageSpec spec{scf.core_paragraph->name, triplet};
std::map<PackageSpec, std::vector<std::string>> specs_to_features;
Optional<const PlatformExpression::Context&> ctx_storage = var_provider.get_dep_info_vars(spec);
auto ctx = [&]() -> const PlatformExpression::Context& {
if (!ctx_storage)
{
var_provider.load_dep_info_vars({&spec, 1});
ctx_storage = var_provider.get_dep_info_vars(spec);
}
return ctx_storage.value_or_exit(VCPKG_LINE_INFO);
};
auto handle_deps = [&](View<Dependency> deps) {
for (auto&& dep : deps)
{
if (dep.platform.is_empty() || dep.platform.evaluate(ctx()))
{
if (dep.name == spec.name())
Util::Vectors::append(&features, dep.features);
else
{
auto t = dep.host ? host_triplet : triplet;
Util::Vectors::append(&specs_to_features[{dep.name, t}], dep.features);
}
}
}
};
handle_deps(scf.core_paragraph->dependencies);
enum class State
{
NotVisited = 0,
Visited,
};
std::map<std::string, State> feature_state;
while (!features.empty())
{
auto feature = std::move(features.back());
features.pop_back();
if (feature_state[feature] == State::Visited) continue;
feature_state[feature] = State::Visited;
if (feature == "default")
{
Util::Vectors::append(&features, scf.core_paragraph->default_features);
}
else
{
auto it =
Util::find_if(scf.feature_paragraphs, [&feature](const std::unique_ptr<FeatureParagraph>& ptr) {
return ptr->name == feature;
});
if (it != scf.feature_paragraphs.end()) handle_deps(it->get()->dependencies);
}
}
return Util::fmap(specs_to_features, [](std::pair<const PackageSpec, std::vector<std::string>>& p) {
return FullPackageSpec(p.first, Util::sort_unique_erase(std::move(p.second)));
});
}
ActionPlan create_feature_install_plan(const PortFileProvider::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);
std::vector<FeatureSpec> feature_specs;
for (const FullPackageSpec& spec : specs)
{
auto maybe_scfl = port_provider.get_control_file(spec.package_spec.name());
Checks::check_maybe_upgrade(VCPKG_LINE_INFO,
maybe_scfl.has_value(),
"Error: while loading port `%s`: %s",
spec.package_spec.name(),
maybe_scfl.error());
const SourceControlFileLocation* scfl = maybe_scfl.get();
const std::vector<std::string> all_features =
Util::fmap(scfl->source_control_file->feature_paragraphs,
[](auto&& feature_paragraph) { return feature_paragraph->name; });
auto fspecs =
spec.to_feature_specs(scfl->source_control_file->core_paragraph->default_features, all_features);
feature_specs.insert(
feature_specs.end(), std::make_move_iterator(fspecs.begin()), std::make_move_iterator(fspecs.end()));
}
Util::sort_unique_erase(feature_specs);
for (const FeatureSpec& spec : feature_specs)
{
pgraph.mark_user_requested(spec.spec());
}
pgraph.install(feature_specs);
auto res = pgraph.serialize(options.randomizer);
return res;
}
void PackageGraph::mark_for_reinstall(const PackageSpec& first_remove_spec,
std::vector<FeatureSpec>& out_reinstall_requirements)
{
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)
{
// 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
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());
spec = FeatureSpec{clust.m_spec, spec.feature()};
// 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;
if (spec.feature() == "core")
{
paragraph_depends = &clust.get_scfl_or_exit().source_control_file->core_paragraph->dependencies;
}
else if (spec.feature() == "default")
{
}
else
{
auto maybe_paragraph =
clust.get_scfl_or_exit().source_control_file->find_feature(spec.feature());
Checks::check_maybe_upgrade(VCPKG_LINE_INFO,
maybe_paragraph.has_value(),
"Package %s does not have a %s feature",
spec.name(),
spec.feature());
paragraph_depends = &maybe_paragraph.value_or_exit(VCPKG_LINE_INFO).dependencies;
}
// And it has at least one qualified dependency
if (paragraph_depends &&
Util::any_of(*paragraph_depends, [](auto&& dep) { return !dep.platform.is_empty(); }))
{
// Add it to the next batch run
qualified_dependencies.emplace_back(spec);
}
}
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);
// 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)
{
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);
}
ActionPlan create_upgrade_plan(const PortFileProvider::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);
pgraph.upgrade(specs);
return pgraph.serialize(options.randomizer);
}
ActionPlan PackageGraph::serialize(Graphs::Randomizer* randomizer) const
{
struct BaseEdgeProvider : Graphs::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;
std::vector<PackageSpec> adjacency_list(const Cluster* const& vertex) const override
{
auto&& set = vertex->m_installed.value_or_exit(VCPKG_LINE_INFO).remove_edges;
return {set.begin(), set.end()};
}
} removeedgeprovider(*m_graph);
struct InstallEdgeProvider final : BaseEdgeProvider
{
using BaseEdgeProvider::BaseEdgeProvider;
std::vector<PackageSpec> adjacency_list(const Cluster* const& vertex) const override
{
if (!vertex->m_install_info.has_value()) return {};
auto& info = vertex->m_install_info.value_or_exit(VCPKG_LINE_INFO);
std::vector<PackageSpec> deps;
for (auto&& kv : info.build_edges)
for (auto&& e : kv.second)
{
auto spec = e.spec();
if (spec != vertex->m_spec) deps.push_back(std::move(spec));
}
Util::sort_unique_erase(deps);
return deps;
}
} installedgeprovider(*m_graph);
std::vector<PackageSpec> removed_vertices;
std::vector<PackageSpec> installed_vertices;
for (auto&& kv : *m_graph)
{
if (kv.second.m_install_info.has_value() && kv.second.m_installed.has_value())
{
removed_vertices.push_back(kv.first);
}
if (kv.second.m_install_info.has_value() || kv.second.request_type == RequestType::USER_REQUESTED)
{
installed_vertices.push_back(kv.first);
}
}
auto remove_toposort = Graphs::topological_sort(removed_vertices, removeedgeprovider, randomizer);
auto insert_toposort = Graphs::topological_sort(installed_vertices, installedgeprovider, randomizer);
ActionPlan plan;
for (auto&& p_cluster : remove_toposort)