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#include "vcpkg_Commands.h"
#include "vcpkg.h"
#include "vcpkg_System.h"
#include "vcpkg_Input.h"
#include <fstream>
namespace vcpkg
{
static const std::string OPTION_PURGE = "--purge";
static void delete_directory(const fs::path& directory)
{
std::error_code ec;
fs::remove_all(directory, ec);
if (!ec)
{
System::println(System::color::success, "Cleaned up %s", directory.string());
}
if (fs::exists(directory))
{
System::println(System::color::warning, "Some files in %s were unable to be removed. Close any editors operating in this directory and retry.", directory.string());
}
}
enum class deinstall_plan
{
not_installed,
dependencies_not_satisfied,
should_deinstall
};
static deinstall_plan deinstall_package_plan(
const StatusParagraphs::iterator package_it,
const StatusParagraphs& status_db,
std::vector<const StatusParagraph*>& dependencies_out)
{
dependencies_out.clear();
if (package_it == status_db.end() || (*package_it)->state == install_state_t::not_installed)
{
return deinstall_plan::not_installed;
}
auto& pkg = (*package_it)->package;
for (auto&& inst_pkg : status_db)
{
if (inst_pkg->want != want_t::install)
continue;
if (inst_pkg->package.spec.target_triplet() != pkg.spec.target_triplet())
continue;
const auto& deps = inst_pkg->package.depends;
if (std::find(deps.begin(), deps.end(), pkg.spec.name()) != deps.end())
{
dependencies_out.push_back(inst_pkg.get());
}
}
if (!dependencies_out.empty())
return deinstall_plan::dependencies_not_satisfied;
return deinstall_plan::should_deinstall;
}
static void deinstall_package(const vcpkg_paths& paths, const package_spec& spec, StatusParagraphs& status_db)
{
auto package_it = status_db.find(spec.name(), spec.target_triplet());
if (package_it == status_db.end())
{
System::println(System::color::success, "Package %s is not installed", spec);
return;
}
auto& pkg = **package_it;
std::vector<const StatusParagraph*> deps;
auto plan = deinstall_package_plan(package_it, status_db, deps);
switch (plan)
{
case deinstall_plan::not_installed:
System::println(System::color::success, "Package %s is not installed", spec);
return;
case deinstall_plan::dependencies_not_satisfied:
System::println(System::color::error, "Error: Cannot remove package %s:", spec);
for (auto&& dep : deps)
{
System::println(" %s depends on %s", dep->package.displayname(), pkg.package.displayname());
}
exit(EXIT_FAILURE);
case deinstall_plan::should_deinstall:
break;
default:
Checks::unreachable();
}
pkg.want = want_t::purge;
pkg.state = install_state_t::half_installed;
write_update(paths, pkg);
std::fstream listfile(paths.listfile_path(pkg.package), std::ios_base::in | std::ios_base::binary);
if (listfile)
{
std::vector<fs::path> dirs_touched;
std::string suffix;
while (std::getline(listfile, suffix))
{
if (!suffix.empty() && suffix.back() == '\r')
suffix.pop_back();
std::error_code ec;
auto target = paths.installed / suffix;
auto status = fs::status(target, ec);
if (ec)
{
System::println(System::color::error, "failed: %s", ec.message());
continue;
}
if (fs::is_directory(status))
{
dirs_touched.push_back(target);
}
else if (fs::is_regular_file(status))
{
fs::remove(target, ec);
if (ec)
{
System::println(System::color::error, "failed: %s: %s", target.u8string(), ec.message());
}
}
else if (!fs::status_known(status))
{
System::println(System::color::warning, "Warning: unknown status: %s", target.u8string());
}
else
{
System::println(System::color::warning, "Warning: %s: cannot handle file type", target.u8string());
}
}
auto b = dirs_touched.rbegin();
auto e = dirs_touched.rend();
for (; b != e; ++b)
{
if (fs::directory_iterator(*b) == fs::directory_iterator())
{
std::error_code ec;
fs::remove(*b, ec);
if (ec)
{
System::println(System::color::error, "failed: %s", ec.message());
}
}
}
listfile.close();
fs::remove(paths.listfile_path(pkg.package));
}
pkg.state = install_state_t::not_installed;
write_update(paths, pkg);
System::println(System::color::success, "Package %s was successfully removed", pkg.package.displayname());
}
void remove_command(const vcpkg_cmd_arguments& args, const vcpkg_paths& paths, const triplet& default_target_triplet)
{
static const std::string example = create_example_string("remove zlib zlib:x64-windows curl boost");
args.check_min_arg_count(1, example.c_str());
const std::unordered_set<std::string> options = args.check_and_get_optional_command_arguments({OPTION_PURGE});
auto status_db = database_load_check(paths);
std::vector<package_spec> specs = Input::check_and_get_package_specs(args.command_arguments, default_target_triplet, example.c_str());
Input::check_triplets(specs, paths);
bool alsoRemoveFolderFromPackages = options.find(OPTION_PURGE) != options.end();
for (const package_spec& spec : specs)
{
deinstall_package(paths, spec, status_db);
if (alsoRemoveFolderFromPackages)
{
const fs::path spec_package_dir = paths.packages / spec.dir();
delete_directory(spec_package_dir);
}
}
exit(EXIT_SUCCESS);
}
}
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