apk-tools/src/upgrade.c

77 lines
1.8 KiB
C

/* upgrade.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 <errno.h>
#include <stdio.h>
#include <zlib.h>
#include "apk_applet.h"
#include "apk_database.h"
#include "apk_state.h"
static int upgrade_parse(void *ctx, struct apk_db_options *dbopts,
int optch, int optindex, const char *optarg)
{
switch (optch) {
case 'a':
apk_flags |= APK_PREFER_AVAILABLE;
break;
default:
return -1;
}
return 0;
}
static int upgrade_main(void *ctx, struct apk_database *db, int argc, char **argv)
{
struct apk_state *state = NULL;
int i, r = 0;
apk_flags |= APK_UPGRADE;
state = apk_state_new(db);
if (state == NULL)
goto err;
for (i = 0; i < db->world->num; i++) {
r = apk_state_lock_dependency(state, &db->world->item[i]);
if (r != 0) {
apk_error("Unable to upgrade '%s'",
db->world->item[i].name->name);
goto err;
}
}
r = apk_state_commit(state, db);
err:
if (state != NULL)
apk_state_unref(state);
return r;
}
static struct apk_option upgrade_options[] = {
{ 'a', "available",
"Re-install or downgrade if currently installed package is not "
"currently available from any repository" },
};
static struct apk_applet apk_upgrade = {
.name = "upgrade",
.help = "Upgrade (or downgrade with -a) the currently installed "
"packages to versions available in repositories.",
.open_flags = APK_OPENF_WRITE,
.num_options = ARRAY_SIZE(upgrade_options),
.options = upgrade_options,
.parse = upgrade_parse,
.main = upgrade_main,
};
APK_DEFINE_APPLET(apk_upgrade);