haiku/src/bin/pkgman/command_uninstall.cpp

99 lines
2.0 KiB
C++

/*
* Copyright 2013, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Ingo Weinhold <ingo_weinhold@gmx.de>
*/
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include "Command.h"
#include "pkgman.h"
#include "PackageManager.h"
// TODO: internationalization!
using namespace BPackageKit;
using namespace BPackageKit::BPrivate;
static const char* const kShortUsage =
" %command% <package> ...\n"
" Uninstalls one or more packages.\n";
static const char* const kLongUsage =
"Usage: %program% %command% <package> ...\n"
"Uninstalls the specified packages.\n"
"\n"
"Options:\n"
" -H, --home\n"
" Uninstall the packages from the user's home directory. Default is to\n"
" uninstall from the system directory.\n"
" -y\n"
" Non-interactive mode. Automatically confirm changes, but fail when\n"
" encountering problems.\n"
"\n";
DEFINE_COMMAND(UninstallCommand, "uninstall", kShortUsage, kLongUsage,
kCommandCategoryPackages)
int
UninstallCommand::Execute(int argc, const char* const* argv)
{
BPackageInstallationLocation location
= B_PACKAGE_INSTALLATION_LOCATION_SYSTEM;
bool interactive = true;
while (true) {
static struct option sLongOptions[] = {
{ "help", no_argument, 0, 'h' },
{ "home", no_argument, 0, 'H' },
{ 0, 0, 0, 0 }
};
opterr = 0; // don't print errors
int c = getopt_long(argc, (char**)argv, "hHy", sLongOptions, NULL);
if (c == -1)
break;
switch (c) {
case 'h':
PrintUsageAndExit(false);
break;
case 'H':
location = B_PACKAGE_INSTALLATION_LOCATION_HOME;
break;
case 'y':
interactive = false;
break;
default:
PrintUsageAndExit(true);
break;
}
}
// The remaining arguments are the packages to be uninstalled.
if (argc < optind + 1)
PrintUsageAndExit(true);
int packageCount = argc - optind;
const char* const* packages = argv + optind;
// perform the installation
PackageManager packageManager(location, interactive);
packageManager.Uninstall(packages, packageCount);
return 0;
}