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/* 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"
#include "apk_print.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;
}
int apk_do_self_upgrade(struct apk_database *db, struct apk_state *state)
{
struct apk_dependency dep;
int r;
apk_dep_from_blob(&dep, db, APK_BLOB_STR("apk-tools"));
r = apk_state_lock_dependency(state, &dep);
if (r != 0 || state->num_changes == 0)
return r;
if (apk_flags & APK_SIMULATE) {
apk_warning("This simulation is not reliable as apk-tools upgrade is available.");
return 0;
}
apk_message("Upgrading critical system libraries and apk-tools:");
state->print_ok = 0;
r = apk_state_commit(state);
apk_state_unref(state);
apk_db_close(db);
apk_message("Continuing the upgrade transaction with new apk-tools:");
execvp(apk_argv[0], apk_argv);
apk_error("PANIC! Failed to re-execute new apk-tools!");
exit(1);
}
static int upgrade_main(void *ctx, struct apk_database *db, int argc, char **argv)
{
struct apk_state *state = NULL;
struct apk_name_array *missing;
int i, r = 0;
apk_flags |= APK_UPGRADE;
apk_name_array_init(&missing);
state = apk_state_new(db);
if (state == NULL)
goto err;
r = apk_do_self_upgrade(db, state);
if (r != 0) {
apk_state_print_errors(state);
goto err;
}
for (i = 0; i < db->world->num; i++) {
struct apk_dependency *dep = &db->world->item[i];
if (dep->name->pkgs->num != 0)
r |= apk_state_lock_dependency(state, dep);
else
*apk_name_array_add(&missing) = dep->name;
}
if (r == 0) {
for (i = 0; i < missing->num; i++) {
struct apk_indent indent;
struct apk_name *name = missing->item[i];
if (i == 0) {
apk_warning("The following package names no longer exists in repository:");
indent.x = 0;
indent.indent = 2;
}
apk_print_indented(&indent, APK_BLOB_STR(name->name));
}
if (i != 0)
printf("\n");
r = apk_state_commit(state);
} else
apk_state_print_errors(state);
err:
if (state != NULL)
apk_state_unref(state);
apk_name_array_free(&missing);
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);
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