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#include "pch.h"
#include "vcpkg_Commands.h"
#include "vcpkglib.h"
#include "vcpkg_System.h"
#include "vcpkg_Input.h"
#include "vcpkg_Dependencies.h"
#include "vcpkg_Util.h"
namespace vcpkg::Commands::Remove
{
using Dependencies::package_spec_with_remove_plan;
using Dependencies::remove_plan_type;
using Dependencies::request_type;
static const std::string OPTION_PURGE = "--purge";
static const std::string OPTION_RECURSE = "--recurse";
static const std::string OPTION_DRY_RUN = "--dry-run";
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());
}
}
static void remove_package(const vcpkg_paths& paths, const package_spec& spec, StatusParagraphs* status_db)
{
StatusParagraph& pkg = **status_db->find(spec.name(), spec.target_triplet());
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);
}
static void sort_packages_by_name(std::vector<const package_spec_with_remove_plan*>* packages)
{
std::sort(packages->begin(), packages->end(), [](const package_spec_with_remove_plan* left, const package_spec_with_remove_plan* right) -> bool
{
return left->spec.name() < right->spec.name();
});
}
static void print_plan(const std::vector<package_spec_with_remove_plan>& plan)
{
std::vector<const package_spec_with_remove_plan*> not_installed;
std::vector<const package_spec_with_remove_plan*> remove;
for (const package_spec_with_remove_plan& i : plan)
{
if (i.plan.plan_type == remove_plan_type::NOT_INSTALLED)
{
not_installed.push_back(&i);
continue;
}
if (i.plan.plan_type == remove_plan_type::REMOVE)
{
remove.push_back(&i);
continue;
}
Checks::unreachable(VCPKG_LINE_INFO);
}
if (!not_installed.empty())
{
sort_packages_by_name(¬_installed);
System::println("The following packages are not installed, so not removed:\n%s",
Strings::join("\n ", not_installed, [](const package_spec_with_remove_plan* p)
{
return " " + p->spec.toString();
}));
}
if (!remove.empty())
{
sort_packages_by_name(&remove);
System::println("The following packages will be removed:\n%s",
Strings::join("\n", remove, [](const package_spec_with_remove_plan* p)
{
if (p->plan.request_type == Dependencies::request_type::AUTO_SELECTED)
{
return " * " + p->spec.toString();
}
if (p->plan.request_type == Dependencies::request_type::USER_REQUESTED)
{
return " " + p->spec.toString();
}
Checks::unreachable(VCPKG_LINE_INFO);
}));
}
}
void perform_and_exit(const vcpkg_cmd_arguments& args, const vcpkg_paths& paths, const triplet& default_target_triplet)
{
static const std::string example = Commands::Help::create_example_string("remove zlib zlib:x64-windows curl boost");
args.check_min_arg_count(1, example);
auto specs = Util::fmap(args.command_arguments, [&](auto&& arg)
{
auto spec = Input::check_and_get_package_spec(arg, default_target_triplet, example);
Input::check_triplet(spec.target_triplet(), paths);
return spec;
});
const std::unordered_set<std::string> options = args.check_and_get_optional_command_arguments({ OPTION_PURGE, OPTION_RECURSE, OPTION_DRY_RUN });
const bool alsoRemoveFolderFromPackages = options.find(OPTION_PURGE) != options.end();
const bool isRecursive = options.find(OPTION_RECURSE) != options.end();
const bool dryRun = options.find(OPTION_DRY_RUN) != options.end();
auto status_db = database_load_check(paths);
const std::vector<package_spec_with_remove_plan> remove_plan = Dependencies::create_remove_plan(specs, status_db);
Checks::check_exit(VCPKG_LINE_INFO, !remove_plan.empty(), "Remove plan cannot be empty");
print_plan(remove_plan);
if (dryRun)
{
Checks::exit_success(VCPKG_LINE_INFO);
}
const bool has_non_user_requested_packages = std::find_if(remove_plan.cbegin(), remove_plan.cend(), [](const package_spec_with_remove_plan& package)-> bool
{
return package.plan.request_type != request_type::USER_REQUESTED;
}) != remove_plan.cend();
if (has_non_user_requested_packages && !isRecursive)
{
System::println(System::color::warning,
"Additional packages (*) need to be removed to complete this operation.\n"
"If you are sure you want to remove them, run the command with the --recurse option");
Checks::exit_fail(VCPKG_LINE_INFO);
}
for (const package_spec_with_remove_plan& action : remove_plan)
{
const std::string display_name = action.spec.display_name();
switch (action.plan.plan_type)
{
case remove_plan_type::NOT_INSTALLED:
System::println(System::color::success, "Package %s is not installed", display_name);
break;
case remove_plan_type::REMOVE:
System::println("Removing package %s... ", display_name);
remove_package(paths, action.spec, &status_db);
System::println(System::color::success, "Removing package %s... done", display_name);
break;
case remove_plan_type::UNKNOWN:
default:
Checks::unreachable(VCPKG_LINE_INFO);
}
if (alsoRemoveFolderFromPackages)
{
System::println("Purging package %s... ", display_name);
delete_directory(paths.packages / action.spec.dir());
System::println(System::color::success, "Purging package %s... done", display_name);
}
}
Checks::exit_success(VCPKG_LINE_INFO);
}
}
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