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/* ver.c - Alpine Package Keeper (APK)
*
* Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
* Copyright (C) 2008 Timo Teräs <timo.teras@iki.fi>
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation. See http://www.gnu.org/ for details.
*/
#include <stdio.h>
#include "apk_defines.h"
#include "apk_applet.h"
#include "apk_database.h"
#include "apk_version.h"
struct ver_ctx {
int (*action)(int argc, char **argv);
};
static int res2char(int res)
{
switch (res) {
case APK_VERSION_LESS:
return '<';
case APK_VERSION_GREATER:
return '>';
case APK_VERSION_EQUAL:
return '=';
default:
return '?';
}
}
static int ver_test(int argc, char **argv)
{
int r;
if (argc != 2)
return 1;
r = apk_version_compare(argv[0], argv[1]);
printf("%c\n", res2char(r));
return 0;
}
static int ver_validate(int argc, char **argv)
{
int i, r = 0;
for (i = 0; i < argc; i++) {
if (!apk_version_validate(APK_BLOB_STR(argv[i]))) {
if (apk_verbosity > 0)
printf("%s\n", argv[i]);
r++;
}
}
return r;
}
static int ver_parse(void *ctx, int opt, int optindex, const char *optarg)
{
struct ver_ctx *ictx = (struct ver_ctx *) ctx;
switch (opt) {
case 't':
ictx->action = ver_test;
break;
case 'c':
ictx->action = ver_validate;
break;
default:
return -1;
}
return 0;
}
static void ver_print_package_status(struct apk_package *pkg)
{
struct apk_name *name;
struct apk_package *latest, *tmp;
char pkgname[256];
int i, r;
name = pkg->name;
latest = pkg;
for (i = 0; i < name->pkgs->num; i++) {
tmp = name->pkgs->item[i];
if (tmp->name != name ||
apk_pkg_get_state(tmp) == APK_PKG_INSTALLED)
continue;
r = apk_pkg_version_compare(tmp, latest);
if (r == APK_VERSION_GREATER)
latest = tmp;
}
r = apk_pkg_version_compare(pkg, latest);
snprintf(pkgname, sizeof(pkgname), "%s-%s", name->name, pkg->version);
printf("%-40s%s %s\n", pkgname, apk_version_op_string(r), latest->version);
}
static int ver_main(void *ctx, int argc, char **argv)
{
struct ver_ctx *ictx = (struct ver_ctx *) ctx;
struct apk_database db;
struct apk_package *pkg;
struct apk_name *name;
int i, j, ret = 0;
if (ictx->action != NULL)
return ictx->action(argc, argv);
if (apk_db_open(&db, apk_root, APK_OPENF_READ) < 0)
return -1;
if (argc == 0) {
list_for_each_entry(pkg, &db.installed.packages,
installed_pkgs_list) {
ver_print_package_status(pkg);
}
goto ver_exit;
}
for (i = 0; i < argc; i++) {
name = apk_db_query_name(&db, APK_BLOB_STR(argv[i]));
if (name == NULL) {
apk_error("Not found: %s", name);
ret = 1;
goto ver_exit;
}
for (j = 0; j < name->pkgs->num; j++) {
struct apk_package *pkg = name->pkgs->item[j];
if (apk_pkg_get_state(pkg) == APK_PKG_INSTALLED)
ver_print_package_status(pkg);
}
}
ver_exit:
apk_db_close(&db);
return ret;
}
static struct apk_option ver_options[] = {
{ 't', "test", "Compare two given versions" },
{ 'c', "check", "Check if the given version string is valid" },
};
static struct apk_applet apk_ver = {
.name = "version",
.help = "Compare package versions (in installed database vs. available)"
" or do tests on version strings given on command line.",
.context_size = sizeof(struct ver_ctx),
.num_options = ARRAY_SIZE(ver_options),
.options = ver_options,
.parse = ver_parse,
.main = ver_main,
};
APK_DEFINE_APPLET(apk_ver);
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